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Cheap flights from St. Louis (STL) to San Juan from $100

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 5/18. 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.
STL — SJU
May 6 — May 131
From?
To?
Mon 5/6
Mon 5/13
1 adult, Economy
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The best prices from Lambert-St Louis to San Juan are usually found in April or September, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$252

One-way from

$109
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Lambert-St Louis to San Juan
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One-way flight from Lambert-St Louis to San Juan
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What is the cheapest day to fly round-trip from St. Louis to San Juan?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

How far in advance should I book a flight from St. Louis to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 41% on flights from St. Louis to San Juan compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $268. For sooner than that we have options available in the next 3 days from $597.

What is the cheapest month to fly from St. Louis to San Juan?

April is one of the best times of the year to fly to San Juan from St. Louis. Prices for April average $482 per person but you can even find prices for as low as $172. The most expensive prices can be found in the month of June. Opting for a April flight can save you 23% on your journey compared to booking in June

When is the cheapest time to fly from St. Louis to San Juan (STL - SJU)?

When flying from St. Louis to San Juan, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 42% versus a flight in the morning.

Cheap Spirit Airlines flights from St. Louis to San Juan

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Find some of the cheapest Spirit Airlines flights traveling from St. Louis to San Juan. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/410:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Mon 6/108:06 pmSJU - STL
1 stop19h 17mSpirit Airlines
Deal found 4/30$199
Sat 5/255:15 pmSTL - SJU
1 stop27h 59mSpirit Airlines
Wed 5/297:57 pmSJU - STL
1 stop22h 32mSpirit Airlines
Deal found 4/30$225
Sun 6/26:19 pmSTL - SJU
1 stop16h 13mSpirit Airlines
Fri 6/77:06 pmSJU - STL
1 stop23h 22mSpirit Airlines
Deal found 4/30$238
Tue 5/2810:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Sat 6/14:00 amSJU - STL
1 stop7h 28mSpirit Airlines
Deal found 4/30$252
Sat 5/2511:39 amSTL - SJU
2 stops22h 53mSpirit Airlines
Wed 5/297:57 pmSJU - STL
1 stop22h 32mSpirit Airlines
Deal found 4/30$254
Thu 6/138:12 pmSTL - SJU
1 stop25h 53mSpirit Airlines
Mon 6/176:11 pmSJU - STL
1 stop21h 12mSpirit Airlines
Deal found 4/30$258
Sat 5/2511:39 amSTL - SJU
2 stops22h 53mSpirit Airlines
Wed 5/297:57 pmSJU - STL
2 stops23h 43mSpirit Airlines
Deal found 4/30$262
Tue 5/2110:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Mon 5/273:30 amSJU - STL
1 stop11h 07mSpirit Airlines
Deal found 4/30$264
Mon 5/134:05 pmSTL - SJU
3 stops24h 04mSpirit Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mSpirit Airlines
Deal found 4/30$273

Cheap Frontier flights from St. Louis to San Juan

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Take a gander at the lowest prices we've found on Frontier flights from St. Louis to San Juan. Deals are refreshing constantly so come back soon for more options.
Fri 5/177:44 pmSTL - SJU
1 stop24h 32mFrontier
Sun 5/193:35 amSJU - STL
1 stop28h 33mFrontier
Deal found 4/30$226
Mon 5/139:11 pmSTL - SJU
1 stop15h 30mFrontier
Sun 5/193:35 amSJU - STL
1 stop28h 33mFrontier
Deal found 4/30$246
Thu 5/167:44 pmSTL - SJU
1 stop24h 41mFrontier
Sun 5/195:59 pmSJU - STL
1 stop27h 27mFrontier
Deal found 4/29$247
Wed 8/72:12 pmSTL - SJU
1 stop14h 31mFrontier
Wed 8/148:09 pmSJU - STL
1 stop11h 53mFrontier
Deal found 4/30$270
Thu 5/167:44 pmSTL - SJU
1 stop20h 19mFrontier
Sun 5/193:35 amSJU - STL
1 stop17h 51mFrontier
Deal found 4/30$286
Mon 5/69:11 pmSTL - SJU
1 stop12h 27mFrontier
Tue 5/77:43 pmSJU - STL
1 stop26h 10mFrontier
Deal found 4/30$289
Wed 5/298:47 amSTL - SJU
1 stop8h 04mFrontier
Tue 6/43:08 amSJU - STL
1 stop29h 00mFrontier
Deal found 4/30$292
Sun 5/127:16 pmSTL - SJU
1 stop14h 22mFrontier
Sun 5/195:59 pmSJU - STL
1 stop27h 27mFrontier
Deal found 4/30$297
Mon 5/69:11 pmSTL - SJU
1 stop12h 27mFrontier
Tue 5/77:43 pmSJU - STL
1 stop26h 10mFrontier
Deal found 4/30$308

Cheap St. Louis to San Juan flights in May & June 2024

Find cheap flight options from St. Louis to San Juan specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,913,887 searches. Prices were last updated on May 1, 2024.
These are some of the most attractive deals on flights from St. Louis to San Juan in 2024. Check back soon for alternative fares.
Fri 5/177:44 pmSTL - SJU
1 stop14h 03mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$213
Sat 5/1111:39 amSTL - SJU
1 stop12h 17mMultiple Airlines
Sat 5/188:18 pmSJU - STL
1 stop11h 50mMultiple Airlines
Deal found 4/30$220
Thu 5/167:44 pmSTL - SJU
1 stop17h 11mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$221
Sat 5/255:15 pmSTL - SJU
1 stop27h 59mSpirit Airlines
Wed 5/297:57 pmSJU - STL
1 stop22h 32mSpirit Airlines
Deal found 4/30$225
Fri 5/177:44 pmSTL - SJU
1 stop24h 32mFrontier
Sun 5/193:35 amSJU - STL
1 stop28h 33mFrontier
Deal found 4/30$226
Mon 5/139:11 pmSTL - SJU
1 stop15h 30mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$233
Tue 5/217:44 pmSTL - SJU
1 stop20h 10mMultiple Airlines
Tue 5/285:59 pmSJU - STL
2 stops27h 11mMultiple Airlines
Deal found 4/30$239
Mon 5/139:11 pmSTL - SJU
1 stop15h 30mFrontier
Sun 5/193:35 amSJU - STL
1 stop28h 33mFrontier
Deal found 4/30$246
Thu 5/167:44 pmSTL - SJU
1 stop24h 41mFrontier
Sun 5/195:59 pmSJU - STL
1 stop27h 27mFrontier
Deal found 4/29$247

St. Louis to San Juan 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
These are some of the most attractive deals on flights from St. Louis to San Juan in 2024. Check back soon for alternative fares.
Tue 6/410:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Mon 6/108:06 pmSJU - STL
1 stop19h 17mSpirit Airlines
Deal found 4/30$199
Fri 5/177:44 pmSTL - SJU
1 stop14h 03mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$213
Sat 5/1111:39 amSTL - SJU
1 stop12h 17mMultiple Airlines
Sat 5/188:18 pmSJU - STL
1 stop11h 50mMultiple Airlines
Deal found 4/30$220
Thu 5/167:44 pmSTL - SJU
1 stop17h 11mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$221
Sat 5/255:15 pmSTL - SJU
1 stop27h 59mSpirit Airlines
Wed 5/297:57 pmSJU - STL
1 stop22h 32mSpirit Airlines
Deal found 4/30$225
Fri 5/177:44 pmSTL - SJU
1 stop24h 32mFrontier
Sun 5/193:35 amSJU - STL
1 stop28h 33mFrontier
Deal found 4/30$226
Mon 5/139:11 pmSTL - SJU
1 stop15h 30mMultiple Airlines
Mon 5/209:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$233
Sun 6/26:19 pmSTL - SJU
1 stop16h 13mSpirit Airlines
Fri 6/77:06 pmSJU - STL
1 stop23h 22mSpirit Airlines
Deal found 4/30$238
Tue 5/217:44 pmSTL - SJU
1 stop20h 10mMultiple Airlines
Tue 5/285:59 pmSJU - STL
2 stops27h 11mMultiple Airlines
Deal found 4/30$239

St. Louis to San Juan flights leaving soon

Find last-minute flight options from St. Louis to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Book one of these great deals on flights from St. Louis to San Juan. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 5/107:16 pmSTL - SJU
1 stop12h 33mMultiple Airlines
Mon 5/139:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Deal found 4/30$255
Tue 5/710:34 amSTL - SJU
1 stop6h 33mSpirit Airlines
Sat 5/115:00 amSJU - STL
1 stop6h 28mSpirit Airlines
Deal found 4/29$274
Mon 5/69:11 pmSTL - SJU
1 stop12h 27mFrontier
Tue 5/77:43 pmSJU - STL
1 stop26h 10mFrontier
Deal found 4/30$289
Mon 5/69:11 pmSTL - SJU
1 stop12h 27mFrontier
Tue 5/77:43 pmSJU - STL
1 stop26h 10mFrontier
Deal found 4/30$308
Tue 5/710:34 amSTL - SJU
1 stop6h 33mSpirit Airlines
Sat 5/114:00 amSJU - STL
1 stop7h 28mSpirit Airlines
Deal found 4/30$312
Fri 5/107:16 pmSTL - SJU
1 stop14h 32mFrontier
Tue 5/147:43 pmSJU - STL
1 stop22h 12mFrontier
Deal found 4/30$317
Sun 5/57:16 pmSTL - SJU
1 stop14h 22mFrontier
Tue 5/77:43 pmSJU - STL
1 stop26h 10mFrontier
Deal found 4/30$318
Fri 5/107:16 pmSTL - SJU
1 stop12h 33mFrontier
Sun 5/123:08 amSJU - STL
1 stop18h 03mFrontier
Deal found 4/30$328
Fri 5/107:16 pmSTL - SJU
1 stop17h 15mMultiple Airlines
Mon 5/133:30 amSJU - STL
1 stop11h 07mMultiple Airlines
Deal found 4/30$364

One-way flights to San Juan from St. Louis

Search for one-way flight options from St. Louis to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
If you're seeking multiple options on one-way flights from St. Louis to San Juan, be sure to check out these deals, which are updated often. Those needing a return flight from St. Louis to San Juan can use the search form above.
Sat 5/185:15 pmSTL - SJU
1 stop17h 17mSpirit Airlines
Deal found 4/30$100
Tue 5/2110:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Deal found 4/30$105
Mon 8/199:20 pmSTL - SJU
1 stop12h 45mFrontier
Deal found 4/30$109
Tue 8/2010:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Deal found 4/30$122
Sat 5/255:15 pmSTL - SJU
2 stops30h 15mSpirit Airlines
Deal found 4/30$143
Sat 5/255:15 pmSTL - SJU
1 stop27h 59mSpirit Airlines
Deal found 4/30$145
Tue 8/206:00 amSTL - SJU
2 stops9h 40mAmerican Airlines
Deal found 4/30$161
Tue 7/2310:34 amSTL - SJU
1 stop7h 41mSpirit Airlines
Deal found 4/30$169
Sat 5/2511:39 amSTL - SJU
3 stops35h 51mSpirit Airlines
Deal found 4/30$178

Find flights from St. Louis to San Juan within your budget

Customize your flight search to find flights from St. Louis to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$199 - $434

Route

Depart

Return

Price

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Tue 6/4

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Mon 6/10

1 stop19h 17m

$199

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Fri 5/17

1 stop14h 03m

San Juan Luis Munoz Marin Intl

Mon 5/20

1 stop13h 32m

$213

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/11

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Sat 5/18

1 stop11h 50m

$220

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Thu 5/16

1 stop17h 11m

San Juan Luis Munoz Marin Intl

Mon 5/20

1 stop13h 32m

$221

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/25

1 stop27h 59m

San Juan Luis Munoz Marin Intl

Wed 5/29

1 stop22h 32m

$225

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Fri 5/17

1 stop24h 32m

San Juan Luis Munoz Marin Intl

Sun 5/19

1 stop28h 33m

$226

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Mon 5/13

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Sun 5/19

1 stop28h 33m

$246

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Wed 8/28

2 stops13h 15m

San Juan Luis Munoz Marin Intl

Tue 9/3

2 stops12h 18m

$403

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Thu 7/25

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Tue 7/30

1 stop11h 20m

$434

Flights are sorted by cheapest first

Deals found on 4/30

When is the best time to book a flight from St. Louis to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San Juan. Price data was last updated on January 28, 2024.
The price you pay for your flight from St. Louis to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from St. Louis to San Juan?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to San Juan. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to San Juan flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Juan by month

Plan your trip from St. Louis to San Juan by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to San Juan is currently $137 while a round-trip flight costs $265. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to San Juan (average of $252). Flying from St. Louis to San Juan in March is currently the most expensive (average of $339). 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.

January

$278

February

$286

March

$339

April

$303

May

$282

June

$317

July

$333

August

$278

September

$252

October

$265

November

$300

December

$302

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated May 1, 2024.
See what other customers who have flown with Spirit Airlines, Frontier and American Airlines from St. Louis to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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
8.1
Very good
10,895 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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.

United Airlines
7.4
Good
11,187 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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.

American Airlines
7.3
Good
14,815 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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.

Spirit Airlines
6.4
Okay
8,741 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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.

Frontier
6.3
Okay
4,114 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.4

Overall

8.1

Entertainment

8.0

Comfort

7.9

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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to San Juan. 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 San Juan?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to San Juan. On average, Lambert-St Louis has 0 outbound flights to San Juan per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to San Juan for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to San Juan for under $200. The cheapest flight booked recently is on Spirit Airlines for just $199, but on average you can expect to pay $242.

  • Are there last-minute flights available from St. Louis to San Juan for under $300?

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

  • What are the cheapest airlines flying from St. Louis to San Juan round-trip?

    Our cheapest airline available from St. Louis to San Juan is Spirit Airlines. Our recent data shows that you can find tickets from as low as $199 on this airline. An additional option worth looking into is Frontier, starting at $226. Spirit Airlines is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to San Juan one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $100. Frontier flights start at $109 while deals on American Airlines start at $161 one-way.

  • What are the most popular airlines that fly from St. Louis to San Juan?

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

  • What does STL to SJU mean?

    Great question - STL to SJU just means Lambert-St Louis Airport to San Juan Luis Munoz Marin Intl Airport. Now you’ll know what these unique codes when you look for flights! Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from St. Louis to San Juan?

    St. Louis to San Juan flights have a layover in Charlotte most often. Orlando sees the next most layovers on St. Louis to San Juan flights.

  • What are some popular things to do or see while on a layover in Charlotte?

    The majority of Charlotte visitors spend their time at Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame. Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame are located about 8.2 mi, 5.8 mi, and 5.7 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $52 per day.

  • What are some popular points of interest to see during a layover in Orlando?

    Orlando travelers tend to visit Walt Disney World Resort, Universal Orlando Resort, and International Drive more than any other notable places. Walt Disney World Resort, Universal Orlando Resort, and International Drive are located about 16.2 mi, 10.3 mi, and 9.9 mi, respectively from Orlando. Travelers can book a car rental at Orlando for about $34 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for St. Louis to San Juan flights?

    Flights departing from St. Louis and landing in San Juan layover in Atlanta least frequently.

  • Can I find deals for flights from St. Louis to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to San Juan 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 San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to San Juan 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 San Juan that include hotel bookings?

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

  • How can I find direct flights from St. Louis to San Juan?

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

  • Can I find deals for business class flights from St. Louis to San Juan?

    Yes. Cheapflights offers flight deals from St. Louis to San Juan 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 San Juan that allow pets onboard?

    Many airlines flying from St. Louis to San Juan 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 San Juan?

    Yes, you can often find last-minute deals on St. Louis to San Juan 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 San Juan flight deals updated?

    The St. Louis to San Juan flight deals you see on this page were last updated on 4/30.

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

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Top 6 airlines flying from St. Louis to San Juan

Discover the top 6 airlines that operate flights from St. Louis to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$290FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$155Average$333FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$271Average$456FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$280Average$509FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$281Average$643FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Linear Air TaxiCheapest$11,685Average$87,598FlexibilityNo cancel feeOn-timeN/A
Search Linear Air Taxi flights
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Search flights from St. Louis to San Juan by cabin class

Find flights from St. Louis to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Weekly flight availability from St. Louis to San Juan

Explore weekly flight availability from St. Louis to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2024.
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How does Cheapflights help users find flights from St. Louis to San Juan?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Juan from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to San Juan?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to San Juan 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 San Juan with no change fees?

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

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

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

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