What are the cheapest airlines to fly from St. Louis to Puerto Rico one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $109 and $156 on Frontier and American Airlines, respectively.

When is the best time to book a flight from St. Louis to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Puerto Rico (average of $250). Flying from St. Louis to Puerto Rico in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How recently were the St. Louis to Puerto Rico flight deals updated?

The St. Louis to Puerto Rico flight deals you see on this page were last updated on 5/16.

What are the most popular airlines that fly from St. Louis to Puerto Rico?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Puerto Rico.

Can I find flights from St. Louis to Puerto Rico for under $200 on Cheapflights?

Yes, there are multiple flights from St. Louis to Puerto Rico for under $200. The cheapest flight booked recently is on Spirit Airlines for just $165, but on average you can expect to pay $229.

Are there last-minute flights available from St. Louis to Puerto Rico for under $300?

There are currently 20+ open flights from St. Louis to Puerto Rico within the next 7 days for less than $300.

What airport do you fly from for flights from St. Louis to Puerto Rico?

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Puerto Rico. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

What does STL to SJU mean?

STL stands for Lambert-St Louis Airport, while SJU stands for San Juan Luis Munoz Marin Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Aguadilla Borinquen Airport (BQN), Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS) are some additional IATA codes for airports related to your trip.

Can I find deals for flights from St. Louis to Puerto Rico that include extra baggage allowance?

The amount of baggage you can bring on your St. Louis to Puerto Rico flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from St. Louis to Puerto Rico with specific airlines?

Yes, Cheapflights allows you to browse and filter St. Louis to Puerto Rico flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Can I find deals for flights from St. Louis to Puerto Rico that include hotel bookings?

Yes. In addition to deals on St. Louis to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Puerto Rico?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Puerto Rico.

Can I find deals for business class flights from St. Louis to Puerto Rico?

Yes. Cheapflights offers flight deals from St. Louis to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Can I find deals for flights from St. Louis to Puerto Rico that allow pets onboard?

Many airlines flying from St. Louis to Puerto Rico offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from St. Louis to Puerto Rico?

Yes, you can often find last-minute deals on St. Louis to Puerto Rico flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Flights from St. Louis, MO to Puerto Rico from $58

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How far in advance should I book a flight from St. Louis to Puerto Rico?

To save on the cost of your flight from St. Louis to Puerto Rico, book at least 16 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $311 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $312.

What is the cheapest month to fly from St. Louis to Puerto Rico?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Puerto Rico. Flights to Puerto Rico from St. Louis in April are about $458 on average during April, but can be found for as low as $196.

When is the cheapest time to fly from St. Louis to Puerto Rico (STL - PR)?

When flying from St. Louis to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from St. Louis to Puerto Rico

Peruse some of the lowest-priced Spirit Airlines flights we've found from St. Louis to Puerto Rico. Make sure to check back often as deals are often changing.

mar. 6/42:35 pmSTL - SJU

1 stop6h 49mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$165

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$178

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$205

sáb. 9/711:39 amSTL - SJU

1 stop14h 09mSpirit Airlines

vie. 9/132:40 amSJU - STL

1 stop8h 48mSpirit Airlines

Deal found 5/16$214

dom. 8/256:24 pmSTL - SJU

1 stop16h 04mSpirit Airlines

mié. 8/283:53 pmSJU - STL

1 stop7h 21mSpirit Airlines

Deal found 5/15$232

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mSpirit Airlines

mié. 5/299:07 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$233

mar. 6/42:35 pmSTL - SJU

3 stops20h 51mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$239

mar. 6/42:35 pmSTL - SJU

3 stops20h 51mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$240

mar. 6/253:23 pmSTL - SJU

1 stop19h 18mSpirit Airlines

lun. 7/83:33 amSJU - STL

1 stop8h 24mSpirit Airlines

Deal found 5/16$241

Cheap Frontier flights from St. Louis to Puerto Rico

Some of the best deals we've found on Frontier flights traveling from St. Louis to Puerto Rico. Make sure to examine the flight information before completing your reservation.

mar. 6/410:44 pmSTL - SJU

2 stops15h 07mFrontier

mié. 6/510:15 pmSJU - STL

1 stop9h 52mFrontier

Deal found 5/15$221

mar. 5/287:44 pmSTL - SJU

1 stop29h 10mFrontier

sáb. 6/110:23 pmSJU - STL

1 stop9h 45mFrontier

Deal found 5/15$246

mar. 5/287:44 pmSTL - SJU

1 stop29h 10mFrontier

vie. 5/313:08 amSJU - STL

1 stop29h 00mFrontier

Deal found 5/15$252

mar. 6/47:44 pmSTL - SJU

1 stop11h 38mFrontier

mié. 6/510:48 amSJU - STL

1 stop11h 58mFrontier

Deal found 5/16$253

sáb. 5/255:56 pmSTL - SJU

1 stop7h 13mFrontier

mié. 5/298:09 pmSJU - STL

1 stop11h 59mFrontier

Deal found 5/16$288

mié. 7/38:02 pmSTL - SJU

2 stops17h 59mFrontier

lun. 7/810:48 amSJU - STL

1 stop10h 54mFrontier

Deal found 5/15$290

lun. 6/108:22 pmSTL - SJU

2 stops17h 39mFrontier

vie. 6/143:08 amSJU - STL

1 stop28h 59mFrontier

Deal found 5/15$294

mié. 7/38:02 pmSTL - SJU

2 stops17h 59mFrontier

dom. 7/71:25 amSJU - STL

1 stop10h 06mFrontier

Deal found 5/15$300

lun. 6/108:22 pmSTL - SJU

2 stops17h 39mFrontier

sáb. 6/154:27 pmSJU - STL

2 stops23h 10mFrontier

Deal found 5/15$305

Cheap St. Louis to Puerto Rico flights in May & June 2024

Scroll through some of the best deals on flights from St. Louis to Puerto Rico in 2024. Check back regularly for other flight deals.

mar. 6/42:35 pmSTL - SJU

1 stop6h 49mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$165

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$178

vie. 5/311:10 pmSTL - SJU

1 stop9h 49mMultiple Airlines

lun. 6/33:30 amSJU - STL

1 stop11h 07mMultiple Airlines

Deal found 5/15$199

mar. 6/42:35 pmSTL - SJU

1 stop6h 49mMultiple Airlines

mié. 6/53:57 pmSJU - STL

2 stops23h 35mMultiple Airlines

Deal found 5/15$203

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$205

mar. 6/410:44 pmSTL - SJU

2 stops15h 07mFrontier

mié. 6/510:15 pmSJU - STL

1 stop9h 52mFrontier

Deal found 5/15$221

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mSpirit Airlines

mié. 5/299:07 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$233

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mMultiple Airlines

mar. 5/2812:59 amSJU - STL

1 stop7h 58mMultiple Airlines

Deal found 5/15$236

mar. 6/42:35 pmSTL - SJU

3 stops20h 51mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$239

St. Louis to Puerto Rico 2024 flight deals

Scroll through some of the best deals on flights from St. Louis to Puerto Rico in 2024. Check back regularly for other flight deals.

mar. 6/42:35 pmSTL - SJU

1 stop6h 49mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$165

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/59:06 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$178

vie. 5/311:10 pmSTL - SJU

1 stop9h 49mMultiple Airlines

lun. 6/33:30 amSJU - STL

1 stop11h 07mMultiple Airlines

Deal found 5/15$199

mar. 6/42:35 pmSTL - SJU

1 stop6h 49mMultiple Airlines

mié. 6/53:57 pmSJU - STL

2 stops23h 35mMultiple Airlines

Deal found 5/15$203

mar. 6/410:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

mié. 6/510:05 pmSJU - STL

2 stops20h 23mSpirit Airlines

Deal found 5/15$205

sáb. 9/711:39 amSTL - SJU

1 stop14h 09mSpirit Airlines

vie. 9/132:40 amSJU - STL

1 stop8h 48mSpirit Airlines

Deal found 5/16$214

mar. 6/410:44 pmSTL - SJU

2 stops15h 07mFrontier

mié. 6/510:15 pmSJU - STL

1 stop9h 52mFrontier

Deal found 5/15$221

sáb. 9/711:39 amSTL - SJU

1 stop14h 09mMultiple Airlines

sáb. 9/148:09 pmSJU - STL

1 stop11h 53mMultiple Airlines

Deal found 5/16$222

dom. 8/256:24 pmSTL - SJU

1 stop16h 04mSpirit Airlines

mié. 8/283:53 pmSJU - STL

1 stop7h 21mSpirit Airlines

Deal found 5/15$232

St. Louis to Puerto Rico flights leaving soon

Consider one of these great deals we found on last-minute flights from St. Louis to Puerto Rico. Users should be sure to double check the price, date, and time of their last-minute flight.

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mSpirit Airlines

mié. 5/299:07 pmSJU - STL

1 stop21h 22mSpirit Airlines

Deal found 5/15$233

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mMultiple Airlines

mar. 5/2812:59 amSJU - STL

1 stop7h 58mMultiple Airlines

Deal found 5/15$236

sáb. 5/255:56 pmSTL - SJU

1 stop7h 13mFrontier

mié. 5/298:09 pmSJU - STL

1 stop11h 59mFrontier

Deal found 5/16$288

mar. 5/217:44 pmSTL - SJU

1 stop14h 03mFrontier

mié. 5/228:09 pmSJU - STL

1 stop11h 59mFrontier

Deal found 5/16$306

sáb. 5/255:56 pmSTL - SJU

1 stop13h 27mFrontier

mar. 5/2812:59 amSJU - STL

1 stop7h 58mFrontier

Deal found 5/16$313

dom. 5/266:19 pmSTL - SJU

1 stop16h 13mMultiple Airlines

sáb. 6/16:18 pmSJU - STL

1 stop13h 50mMultiple Airlines

Deal found 5/15$336

sáb. 5/255:56 pmSTL - SJU

1 stop7h 13mMultiple Airlines

mié. 5/297:57 pmSJU - STL

2 stops23h 43mMultiple Airlines

Deal found 5/16$343

dom. 5/267:30 pmSTL - SJU

2 stops15h 02mMultiple Airlines

sáb. 6/110:23 pmSJU - STL

1 stop9h 45mMultiple Airlines

Deal found 5/15$344

sáb. 5/2511:39 amSTL - SJU

1 stop12h 17mSpirit Airlines

lun. 5/273:30 amSJU - STL

1 stop11h 07mSpirit Airlines

Deal found 5/15$348

One-way flights to Puerto Rico from St. Louis

If you're seeking multiple options on one-way flights from St. Louis to Puerto Rico, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from St. Louis to Puerto Rico instead should update the search form at the top of page.

mar. 8/2010:34 amSTL - SJU

1 stop7h 37mSpirit Airlines

Deal found 5/15$58

mar. 9/1010:34 amSTL - SJU

1 stop23h 54mSpirit Airlines

Deal found 5/15$87

mar. 8/202:35 pmSTL - SJU

2 stops19h 53mSpirit Airlines

Deal found 5/15$101

lun. 8/199:20 pmSTL - SJU

1 stop12h 45mFrontier

Deal found 5/15$109

sáb. 6/156:22 pmSTL - SJU

1 stop16h 08mSpirit Airlines

Deal found 5/15$111

mar. 5/217:44 pmSTL - SJU

1 stop17h 11mFrontier

Deal found 5/15$113

mar. 8/202:35 pmSTL - SJU

3 stops28h 13mSpirit Airlines

Deal found 5/15$118

dom. 9/86:24 pmSTL - SJU

1 stop16h 04mSpirit Airlines

Deal found 5/15$125

lun. 6/108:22 pmSTL - SJU

2 stops17h 39mFrontier

Deal found 5/15$129

Find flights from St. Louis to Puerto Rico within your budget

Fly from

Fly to

Budget

$165 - $479

Route

Depart

Return

Price

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mar. 6/4

1 stop6h 49m

San Juan Luis Munoz Marin Intl

mié. 6/5

1 stop21h 22m

$165

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mar. 6/4

1 stop7h 37m

San Juan Luis Munoz Marin Intl

mié. 6/5

1 stop21h 22m

$178

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

vie. 5/31

1 stop9h 49m

San Juan Luis Munoz Marin Intl

lun. 6/3

1 stop11h 07m

$199

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mar. 6/4

1 stop6h 49m

San Juan Luis Munoz Marin Intl

mié. 6/5

2 stops23h 35m

$203

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mar. 6/4

1 stop7h 37m

San Juan Luis Munoz Marin Intl

mié. 6/5

2 stops20h 23m

$205

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mar. 6/4

2 stops15h 07m

San Juan Luis Munoz Marin Intl

mié. 6/5

1 stop9h 52m

$221

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

sáb. 9/7

2 stops8h 12m

San Juan Luis Munoz Marin Intl

vie. 9/13

2 stops10h 40m

$313

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

mié. 10/30

1 stop11h 03m

San Juan Luis Munoz Marin Intl

sáb. 11/9

1 stop7h 21m

$434

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

sáb. 7/20

2 stops11h 00m

San Juan Luis Munoz Marin Intl

vie. 7/26

2 stops14h 31m

$479

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Puerto Rico

Read through reviews of airlines operating flights from St. Louis to Puerto Rico, such as Spirit Airlines, Frontier and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta

8.0

Very good

10,673 reviews

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

United Airlines

7.4

Good

10,924 reviews

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

American Airlines

7.3

Good

14,514 reviews

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

Spirit Airlines

6.4

Okay

8,672 reviews

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

Frontier

6.3

Okay

4,060 reviews

Delta

8.0

Very good

10,673 reviews

Check prices

Reviews

1 / 10

Related info for your journey

What airport do you fly from for flights from St. Louis to Puerto Rico?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Puerto Rico. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
Can I find flights from St. Louis to Puerto Rico for under $200 on Cheapflights?
Yes, there are multiple flights from St. Louis to Puerto Rico for under $200. The cheapest flight booked recently is on Spirit Airlines for just $165, but on average you can expect to pay $229.
Are there last-minute flights available from St. Louis to Puerto Rico for under $300?
There are currently 20+ open flights from St. Louis to Puerto Rico within the next 7 days for less than $300.
What are the cheapest airlines to fly from St. Louis to Puerto Rico one-way?
For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $109 and $156 on Frontier and American Airlines, respectively.
What are the most popular airlines that fly from St. Louis to Puerto Rico?
Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Puerto Rico.
What does STL to SJU mean?
STL stands for Lambert-St Louis Airport, while SJU stands for San Juan Luis Munoz Marin Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Aguadilla Borinquen Airport (BQN), Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS) are some additional IATA codes for airports related to your trip.
Can I find deals for flights from St. Louis to Puerto Rico that include extra baggage allowance?
The amount of baggage you can bring on your St. Louis to Puerto Rico flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from St. Louis to Puerto Rico with specific airlines?
Yes, Cheapflights allows you to browse and filter St. Louis to Puerto Rico flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from St. Louis to Puerto Rico that include hotel bookings?
Yes. In addition to deals on St. Louis to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Puerto Rico.
Can I find deals for business class flights from St. Louis to Puerto Rico?
Yes. Cheapflights offers flight deals from St. Louis to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Can I find deals for flights from St. Louis to Puerto Rico that allow pets onboard?
Many airlines flying from St. Louis to Puerto Rico offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from St. Louis to Puerto Rico?
Yes, you can often find last-minute deals on St. Louis to Puerto Rico flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the St. Louis to Puerto Rico flight deals updated?
The St. Louis to Puerto Rico flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.

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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.

Puerto Rico car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Aguadilla Borinquen Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Mayagüez Eugenio M De Hostos Airport car rentals

San Juan car rentals

Aguadilla car rentals

Ponce car rentals

Top 6 airlines flying from St. Louis to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$142	Average$269	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Spirit Airlines	Cheapest$154	Average$359	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
Delta	Cheapest$271	Average$435	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	Cheapest$276	Average$511	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest$281	Average$645	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Linear Air Taxi	Cheapest$11,685	Average$87,598	FlexibilityNo cancel fee	On-timeN/A	Search Linear Air Taxi flights

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Search flights from St. Louis to Puerto Rico by cabin class

Hourly flight availability from St. Louis to Puerto Rico

0%of flight departures	Early morningMidnight to 6 am
100%of flight departures	Morning6 am to noon
0%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

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How does Cheapflights help users find flights from St. Louis to Puerto Rico?

Cheapflights helps you search for flights from St. Louis to Puerto Rico via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Puerto Rico?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Puerto Rico by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Puerto Rico with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Puerto Rico with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Puerto Rico become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Puerto Rico from St. Louis today and book when prices fit your budget.

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Cheap flights from St. Louis (STL) to Puerto Rico from $58

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

How far in advance should I book a flight from St. Louis to Puerto Rico?

What is the cheapest month to fly from St. Louis to Puerto Rico?

When is the cheapest time to fly from St. Louis to Puerto Rico (STL - PR)?

Cheap Spirit Airlines flights from St. Louis to Puerto Rico

Peruse some of the lowest-priced Spirit Airlines flights we've found from St. Louis to Puerto Rico. Make sure to check back often as deals are often changing.

Cheap Frontier flights from St. Louis to Puerto Rico

Some of the best deals we've found on Frontier flights traveling from St. Louis to Puerto Rico. Make sure to examine the flight information before completing your reservation.

Cheap St. Louis to Puerto Rico flights in May & June 2024

Find cheap flight options from St. Louis to Puerto Rico specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on mayo 16, 2024.

Scroll through some of the best deals on flights from St. Louis to Puerto Rico in 2024. Check back regularly for other flight deals.

St. Louis to Puerto Rico 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Puerto Rico in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.

Scroll through some of the best deals on flights from St. Louis to Puerto Rico in 2024. Check back regularly for other flight deals.

St. Louis to Puerto Rico flights leaving soon

Consider one of these great deals we found on last-minute flights from St. Louis to Puerto Rico. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Puerto Rico from St. Louis

If you're seeking multiple options on one-way flights from St. Louis to Puerto Rico, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from St. Louis to Puerto Rico instead should update the search form at the top of page.

Find flights from St. Louis to Puerto Rico within your budget

Reviews of airlines servicing Puerto Rico

Read through reviews of airlines operating flights from St. Louis to Puerto Rico, such as Spirit Airlines, Frontier and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Puerto Rico?

Can I find flights from St. Louis to Puerto Rico for under $200 on Cheapflights?

Are there last-minute flights available from St. Louis to Puerto Rico for under $300?

What are the cheapest airlines to fly from St. Louis to Puerto Rico one-way?

What are the most popular airlines that fly from St. Louis to Puerto Rico?

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Can I find deals for flights from St. Louis to Puerto Rico that include extra baggage allowance?

Can I find deals on flights from St. Louis to Puerto Rico with specific airlines?

Can I find deals for flights from St. Louis to Puerto Rico that include hotel bookings?

How can I find direct flights from St. Louis to Puerto Rico?

Can I find deals for business class flights from St. Louis to Puerto Rico?

Can I find deals for flights from St. Louis to Puerto Rico that allow pets onboard?

Can I find deals on last-minute flights from St. Louis to Puerto Rico?

How recently were the St. Louis to Puerto Rico flight deals updated?

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Alternative routes for St. Louis to Puerto RicoSee prices for flight routes from nearby airports that may be better suited for you.

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from St. Louis to Puerto Rico

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from St. Louis to Puerto Rico by cabin class

Find flights from St. Louis to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to Puerto Rico

Find hourly flight availability from St. Louis to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 16, 2024.

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User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

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Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Puerto Rico?

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Puerto Rico?

Can Cheapflights find flights from St. Louis to Puerto Rico with no change fees?

Can Cheapflights notify me if prices for flights from St. Louis to Puerto Rico become cheaper?

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Alternative routes for St. Louis to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.