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Cheap flights from Cancún (CUN) to St. Louis (STL) from $157

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 6/13. 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.
CUN — STL
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Cancun to Lambert-St Louis are usually found in November or February, booked 7 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Cancún to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to St. Louis (STL). 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 April 28, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$323

One-way from

$230
High demand for flights, 44% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From Cancun to Lambert-St Louis
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One-way flight from Cancun to Lambert-St Louis
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What is the cheapest day to fly round-trip from Cancún to St. Louis?

Travelers have found that booking a Thursday departure is the best way to save up to 12% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Flights from Cancún to St. Louis lean towards being more expensive in June. Prices are generally better when you fly from Cancún to St. Louis in November, with the cheapest ticket starting at $180.

When is the cheapest time to fly from Cancún to St. Louis (CUN - STL)?

It’s optimal to fly from Cancún to St. Louis in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

Cheap Spirit Airlines flights from Cancún to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Cancún and St. Louis. 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 2,991,349 searches. Data last updated April 28, 2024.
Check out some of the cheapest Spirit Airlines flights we've come across from Cancún to St. Louis. It's recommended that users confirm their flight details before booking.
Thu 6/209:10 amCUN - STL
1 stop10h 12mSpirit Airlines
Sun 6/236:55 pmSTL - CUN
1 stop13h 28mSpirit Airlines
Deal found 4/27$288
Thu 6/209:10 amCUN - STL
1 stop10h 12mSpirit Airlines
Sun 6/236:55 pmSTL - CUN
2 stops40h 37mSpirit Airlines
Deal found 4/27$372

Cheap Delta flights from Cancún to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Cancún and St. Louis. 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 2,991,349 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Cancún to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Thu 6/2011:23 amCUN - STL
2 stops12h 20mDelta
Sun 6/236:06 amSTL - CUN
2 stops12h 58mDelta
Deal found 4/28$554
Thu 6/209:34 amCUN - STL
2 stops14h 09mDelta
Sun 6/236:06 amSTL - CUN
2 stops12h 57mDelta
Deal found 4/27$565

Cancún to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Cancún and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Check out some of the best flight deals from Cancún to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Thu 6/209:10 amCUN - STL
1 stop10h 12mSpirit Airlines
Sun 6/236:55 pmSTL - CUN
1 stop13h 28mSpirit Airlines
Deal found 4/27$288
Thu 12/264:40 pmCUN - STL
1 stop5h 59mUnited Airlines
Tue 1/75:30 amSTL - CUN
1 stop9h 30mUnited Airlines
Deal found 4/27$366
Thu 6/209:10 amCUN - STL
1 stop10h 12mSpirit Airlines
Sun 6/236:55 pmSTL - CUN
2 stops40h 37mSpirit Airlines
Deal found 4/27$372
Thu 12/263:20 pmCUN - STL
Nonstop3h 24mFrontier
Tue 1/711:33 amSTL - CUN
Nonstop3h 23mFrontier
Deal found 4/27$492
Thu 6/209:34 amCUN - STL
2 stops14h 09mDelta
Sun 6/236:06 amSTL - CUN
2 stops12h 57mDelta
Deal found 4/27$565

One-way flights to St. Louis from Cancún

Search for one-way flight options from Cancún to St. Louis. 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 2,991,349 searches. Data last updated April 28, 2024.
Take a look at some of the one-way flights we've detected from Cancún to St. Louis. Users can also find round-trip Cancún to St. Louis flights by using the search form above.
Thu 6/139:31 amCUN - STL
1 stop21h 37mFrontier
Deal found 4/27$157
Wed 6/129:10 amCUN - STL
1 stop21h 58mMultiple Airlines
Deal found 4/27$158
Tue 5/71:36 pmCUN - STL
2 stops20h 11mFrontier
Deal found 4/27$160
Mon 5/63:57 pmCUN - STL
1 stop23h 53mFrontier
Deal found 4/28$179
Wed 6/1212:30 pmCUN - STL
2 stops18h 38mMultiple Airlines
Deal found 4/27$182
Tue 5/73:57 pmCUN - STL
1 stop17h 50mFrontier
Deal found 4/27$187
Fri 6/149:10 amCUN - STL
1 stop26h 03mMultiple Airlines
Deal found 4/27$194
Thu 8/89:10 amCUN - STL
1 stop10h 49mSpirit Airlines
Deal found 4/26$204
Thu 6/139:10 amCUN - STL
3 stops26h 55mMultiple Airlines
Deal found 4/27$225

Find flights from Cancún to St. Louis within your budget

Customize your flight search to find flights from Cancún to St. Louis 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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$288 - $565

Route

Depart

Return

Price

CancunLambert-St Louis

CUN - STL

CUNSTL

Cancun

Thu 6/20

1 stop10h 12m

Lambert-St Louis

Sun 6/23

1 stop13h 28m

$288

CancunLambert-St Louis

CUN - STL

CUNSTL

Cancun

Thu 6/20

1 stop10h 12m

Lambert-St Louis

Sun 6/23

2 stops40h 37m

$372

CancunLambert-St Louis

CUN - STL

CUNSTL

Cancun

Thu 6/20

2 stops12h 20m

Lambert-St Louis

Sun 6/23

2 stops12h 58m

$554

CancunLambert-St Louis

CUN - STL

CUNSTL

Cancun

Thu 6/20

2 stops14h 09m

Lambert-St Louis

Sun 6/23

2 stops12h 57m

$565

Flights are sorted by cheapest first

Deals found on 4/27

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

Use this chart to determine the optimal time to book a round-trip flight from Cancún to St. Louis. Price data was last updated on January 28, 2024.
The best time to book flights from Cancún to St. Louis is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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When is the cheapest time to fly from Cancún to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Cancún to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Cancún to St. Louis flight should consider departing on Monday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to St. Louis by month

Plan your trip from Cancún to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Cancún to St. Louis is currently $183 while a round-trip flight costs $445. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Cancún to St. Louis (average of $323). Flying from Cancún to St. Louis in July is currently the most expensive (average of $378). 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

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated April 28, 2024.
See what other customers who have flown with Spirit Airlines and Delta from Cancún to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Aeromexico
7.7
Good
2,626 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Sun Country Air
7.3
Good
657 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

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

  • What airports do I use to fly from Cancún to St. Louis?

    To fly from Cancún to St. Louis, you need to book a flight from Cancun (CUN) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from Cancun take 3h 24m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Cancun to Lambert-St Louis offered by 1 airline.

  • Can I find flights from Cancún to St. Louis for under $300 on Cheapflights?

    Yes, there are multiple flights from Cancún to St. Louis for under $300. The cheapest flight booked recently is on Spirit Airlines for just $288, but on average you can expect to pay $444.

  • How popular is this Cancún to St. Louis flight route?

    Flights from Cancun to Lambert-St Louis have been viewed 2 times in the past calendar month.

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

    Spirit Airlines, at $288, was found to be the cheapest airline from Cancún to St. Louis. An alternate airline flying to your destination would be Delta. Spirit Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $157. Spirit Airlines flights start at $204 while deals on Aeromexico start at $230 one-way.

  • What are the most reliable airlines from Cancún to St. Louis?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Cancún to St. Louis on time: American Airlines (86%), Southwest (78%), Frontier (66%).

  • What are the cheapest flights from Cancún to St. Louis?

    Looking at all options, your cheapest flight can be booked for $163. While the most popular route (Cancun - Lambert-St Louis) can be booked for $288 on average our data indicates $253 when flying from Cancún to St. Louis.

  • What does CUN to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Cancun Airport to Lambert-St Louis Airport flight would often be abbreviated as a CUN to STL flight.

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

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

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

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

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

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

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

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

    Many airlines flying from Cancún to St. Louis 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 Cancún to St. Louis?

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

    The Cancún to St. Louis flight deals you see on this page were last updated on 4/27.

See more FAQs

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

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Top airline flying from Cancún to St. Louis

Discover the top airline that operate flights from Cancún to St. Louis. 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 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$255Average$488FlexibilityNo cancel feeOn-time62%
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Search flights from Cancún to St. Louis by cabin class

Find flights from Cancún to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Hourly flight availability from Cancún to St. Louis

Find hourly flight availability from Cancún to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Cancún to St. Louis

Explore weekly flight availability from Cancún to St. Louis. 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 April 28, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday1daily flight
Friday2daily flights
Saturday2daily flights

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Fly with Cheapflights

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 Cancún to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cancún to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cancún to St. Louis flexibly with Cheapflights today.

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

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

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