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Cheap flights from St. Louis (STL) to Cancún (CUN) from $159

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 5/20. 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.
STL — CUN
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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The best prices from Lambert-St Louis to Cancun are usually found in October or January, booked 37 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cancún (CUN). 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 9, 2024.

Popular in

March

Cheapest in

October

Round-trip from

$339

One-way from

$191
High demand for flights, 9% potential price rise
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Best time to find cheap flights, 8% potential price drop
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From Lambert-St Louis to Cancun
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One-way flight from Lambert-St Louis to Cancun
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What is the cheapest day to fly round-trip from St. Louis to Cancún?

Flights from St. Louis to Cancún are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Cancún.

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

Find a great deal and save up to 21% by booking at least 38 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Cancún within the next two weeks, with the cheapest ticket starting at $393.

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

Flights from St. Louis to Cancún lean towards being more expensive in March. Prices are generally better when you fly from St. Louis to Cancún in October, with the cheapest ticket starting at $220.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from St. Louis to Cancún by exploring options for tickets in the evening.

Cheap Delta flights from St. Louis to Cancún

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Cancún. 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 2,752,338 searches. Data last updated May 9, 2024.
Peruse some of the lowest-priced Delta flights we've found from St. Louis to Cancún. It's recommended that users confirm their flight details before booking.
Tue 10/1511:51 amSTL - CUN
1 stop8h 02mDelta
Tue 10/2212:17 pmCUN - STL
2 stops11h 18mDelta
Deal found 5/8$410
Fri 8/2311:51 amSTL - CUN
1 stop8h 02mDelta
Fri 8/309:00 amCUN - STL
2 stops14h 39mDelta
Deal found 5/8$440
Thu 5/306:11 amSTL - CUN
1 stop6h 46mDelta
Wed 6/511:28 amCUN - STL
2 stops12h 12mDelta
Deal found 5/8$450
Mon 10/1411:51 amSTL - CUN
1 stop8h 02mDelta
Wed 10/239:00 amCUN - STL
2 stops14h 35mDelta
Deal found 5/8$474
Sat 9/76:00 amSTL - CUN
1 stop9h 18mDelta
Sat 9/149:00 amCUN - STL
2 stops12h 31mDelta
Deal found 5/8$490
Thu 5/1612:53 pmSTL - CUN
2 stops12h 40mDelta
Tue 5/219:25 amCUN - STL
2 stops12h 09mDelta
Deal found 5/7$525
Mon 5/137:10 amSTL - CUN
1 stop12h 41mDelta
Sat 5/188:20 amCUN - STL
2 stops13h 14mDelta
Deal found 5/7$690
Mon 5/136:00 amSTL - CUN
2 stops13h 05mDelta
Sat 5/1812:22 pmCUN - STL
2 stops11h 18mDelta
Deal found 5/7$705

Cheap United Airlines flights from St. Louis to Cancún

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Cancún. 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 2,752,338 searches. Data last updated May 9, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Cancún. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 6/76:15 amSTL - CUN
1 stop15h 52mUnited Airlines
Fri 6/145:40 amCUN - STL
1 stop16h 35mUnited Airlines
Deal found 5/8$478
Mon 7/111:10 amSTL - CUN
1 stop10h 57mUnited Airlines
Sat 7/65:40 amCUN - STL
1 stop10h 48mUnited Airlines
Deal found 5/8$484
Mon 10/146:15 amSTL - CUN
1 stop5h 47mUnited Airlines
Wed 10/235:22 pmCUN - STL
2 stops16h 45mUnited Airlines
Deal found 5/8$504

Cheap St. Louis to Cancún flights in May & June 2024

Find cheap flight options from St. Louis to Cancún specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 9, 2024.
These are some of the best deals we've found on flights to Cancún in 2024 at this time. Check back soon for alternative fares.
Sat 5/185:15 pmSTL - CUN
1 stop23h 59mSpirit Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mSpirit Airlines
Deal found 5/7$254
Tue 5/2810:34 amSTL - CUN
1 stop6h 40mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$259
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mMultiple Airlines
Fri 5/3111:39 amCUN - STL
1 stop20h 18mMultiple Airlines
Deal found 5/8$263
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$265
Sun 5/196:19 pmSTL - CUN
1 stop22h 55mSpirit Airlines
Fri 5/249:10 amCUN - STL
1 stop25h 18mSpirit Airlines
Deal found 5/8$279
Sat 5/258:57 amSTL - CUN
1 stop25h 27mMultiple Airlines
Mon 6/36:05 pmCUN - STL
1 stop15h 34mMultiple Airlines
Deal found 5/8$301
Sun 5/267:30 pmSTL - CUN
2 stops15h 50mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$302
Sun 5/197:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/2412:15 pmCUN - STL
2 stops22h 13mSpirit Airlines
Deal found 5/7$306
Sat 5/185:15 pmSTL - CUN
2 stops15h 10mSpirit Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mSpirit Airlines
Deal found 5/7$311

St. Louis to Cancún 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Cancún in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
These are some of the best deals we've found on flights to Cancún in 2024 at this time. Check back soon for alternative fares.
Sat 5/185:15 pmSTL - CUN
1 stop23h 59mSpirit Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mSpirit Airlines
Deal found 5/7$254
Tue 5/2810:34 amSTL - CUN
1 stop6h 40mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$259
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mMultiple Airlines
Fri 5/3111:39 amCUN - STL
1 stop20h 18mMultiple Airlines
Deal found 5/8$263
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$265
Tue 8/202:35 pmSTL - CUN
1 stop17h 55mSpirit Airlines
Wed 8/289:20 amCUN - STL
1 stop12h 54mSpirit Airlines
Deal found 5/6$269
Sun 5/196:19 pmSTL - CUN
1 stop22h 55mSpirit Airlines
Fri 5/249:10 amCUN - STL
1 stop25h 18mSpirit Airlines
Deal found 5/8$279
Tue 8/2010:34 amSTL - CUN
2 stops21h 56mSpirit Airlines
Wed 8/289:20 amCUN - STL
1 stop12h 54mSpirit Airlines
Deal found 5/6$293
Sat 5/258:57 amSTL - CUN
1 stop25h 27mMultiple Airlines
Mon 6/36:05 pmCUN - STL
1 stop15h 34mMultiple Airlines
Deal found 5/8$301
Sun 5/267:30 pmSTL - CUN
2 stops15h 50mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/7$302

Non-stop flights to Cancún from St. Louis

Discover non-stop flight options from St. Louis to Cancún. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
For a quicker trip, book one of these direct flights from St. Louis to Cancún. Users seeking other options on flights from St. Louis to Cancún should update the search form at the top of the page.
Mon 5/2711:28 amSTL - CUN
Nonstop3h 19mVolaris
Sat 6/12:14 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$451
Mon 5/2711:28 amSTL - CUN
Nonstop3h 19mVolaris
Sat 6/12:14 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$452
Mon 5/2711:28 amSTL - CUN
Nonstop3h 19mVolaris
Thu 5/302:14 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$453
Sun 5/1911:28 amSTL - CUN
Nonstop3h 19mVolaris
Fri 5/241:31 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$466
Tue 5/2811:28 amSTL - CUN
Nonstop3h 19mVolaris
Tue 6/42:15 pmCUN - STL
Nonstop3h 23mVolaris
Deal found 5/8$471
Tue 7/1611:33 amSTL - CUN
Nonstop3h 23mVolaris
Tue 7/232:20 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$473
Wed 7/3111:33 amSTL - CUN
Nonstop3h 23mVolaris
Tue 8/62:20 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$474
Tue 10/1511:33 amSTL - CUN
Nonstop3h 23mVolaris
Mon 10/212:20 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$475
Fri 7/511:33 amSTL - CUN
Nonstop3h 23mVolaris
Tue 7/92:20 pmCUN - STL
Nonstop3h 24mVolaris
Deal found 5/8$476

St. Louis to Cancún flights leaving soon

Find last-minute flight options from St. Louis to Cancún 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 2,752,338 searches. Data last updated May 9, 2024.
Have a look at some of the flights available from St. Louis to Cancún departing last-minute. Tip: verify your flight details before completing your reservation.
Sat 5/185:15 pmSTL - CUN
1 stop23h 59mSpirit Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mSpirit Airlines
Deal found 5/7$254
Sat 5/185:15 pmSTL - CUN
2 stops15h 10mSpirit Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mSpirit Airlines
Deal found 5/7$311
Sat 5/185:15 pmSTL - CUN
1 stop18h 05mMultiple Airlines
Thu 5/232:14 pmCUN - STL
Nonstop3h 24mMultiple Airlines
Deal found 5/7$361
Mon 5/1311:23 amSTL - CUN
Nonstop3h 29mMultiple Airlines
Fri 5/176:05 pmCUN - STL
1 stop22h 20mMultiple Airlines
Deal found 5/7$368
Mon 5/133:55 pmSTL - CUN
2 stops17h 37mMultiple Airlines
Fri 5/1712:15 pmCUN - STL
2 stops22h 13mMultiple Airlines
Deal found 5/7$369
Tue 5/1410:34 amSTL - CUN
1 stop6h 40mSpirit Airlines
Wed 5/156:05 pmCUN - STL
1 stop23h 24mSpirit Airlines
Deal found 5/7$380
Sat 5/189:45 amSTL - CUN
3 stops31h 29mMultiple Airlines
Thu 5/239:10 amCUN - STL
1 stop9h 30mMultiple Airlines
Deal found 5/7$383
Tue 5/149:35 amSTL - CUN
3 stops25h 45mMultiple Airlines
Wed 5/156:05 pmCUN - STL
2 stops24h 35mMultiple Airlines
Deal found 5/7$407
Tue 5/1411:24 amSTL - CUN
Nonstop3h 23mMultiple Airlines
Wed 5/156:05 pmCUN - STL
1 stop23h 24mMultiple Airlines
Deal found 5/7$411

One-way flights to Cancún from St. Louis

Search for one-way flight options from St. Louis to Cancún. 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 2,752,338 searches. Data last updated May 9, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Cancún. Users can also find round-trip St. Louis to Cancún flights by using the search form above.
Mon 5/208:04 pmSTL - CUN
1 stop16h 55mFrontier
Deal found 5/8$159
Mon 5/209:26 pmSTL - CUN
2 stops13h 54mMultiple Airlines
Deal found 5/8$166
Mon 5/205:04 amSTL - CUN
1 stop7h 21mAmerican Airlines
Deal found 5/8$191
Fri 5/1711:28 amSTL - CUN
Nonstop3h 19mFrontier
Deal found 5/8$229
Mon 5/202:00 pmSTL - CUN
3 stops21h 20mMultiple Airlines
Deal found 5/8$235
Fri 5/178:45 pmSTL - CUN
1 stop16h 14mFrontier
Deal found 5/8$242
Fri 5/176:11 amSTL - CUN
2 stops13h 02mDelta
Deal found 5/8$365

Find flights from St. Louis to Cancún within your budget

Customize your flight search to find flights from St. Louis to Cancún 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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$244 - $478

Route

Depart

Return

Price

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 5/26

1 stop12h 55m

Cancun

Thu 5/30

1 stop9h 30m

$244

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 5/26

1 stop12h 55m

Cancun

Fri 5/31

1 stop20h 18m

$263

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 5/26

1 stop12h 55m

Cancun

Fri 5/31

1 stop22h 20m

$265

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Wed 7/31

1 stop11h 22m

Cancun

Tue 8/6

1 stop19h 38m

$361

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 10/14

1 stop14h 12m

Cancun

Wed 10/23

1 stop6h 17m

$407

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Tue 10/15

1 stop8h 02m

Cancun

Tue 10/22

2 stops11h 18m

$410

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 5/27

Nonstop3h 19m

Cancun

Sat 6/1

Nonstop3h 24m

$452

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 5/27

2 stops17h 32m

Cancun

Thu 5/30

1 stop15h 30m

$475

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Fri 6/7

1 stop15h 52m

Cancun

Fri 6/14

1 stop16h 35m

$478

Flights are sorted by cheapest first

Deals found on 5/8

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Cancún. Price data was last updated on May 3, 2024.
The price you pay for your flight from St. Louis to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 Cancún?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Cancún. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Cancún flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Cancún by month

Plan your trip from St. Louis to Cancún by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Cancún is currently $227 while a round-trip flight costs $373. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Cancún (average of $339). Flying from St. Louis to Cancún in June is currently the most expensive (average of $427). 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

$339

February

$371

March

$425

April

$414

May

$391

June

$427

July

$407

August

$387

September

$349

October

$397

November

$392

December

$389

Temperature and rainfall in Cancún by month

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

CUN

Temperature

75.2 - 86 °F

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated May 9, 2024.
Get a feel of what it's like to fly with Delta, United Airlines and Spirit Airlines from St. Louis to Cancún by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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.

Aeromexico
7.6
Good
2,565 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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
11,043 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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
14,677 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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.

Volaris
6.7
Okay
1,508 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Overall

8.1

Entertainment

8.0

Boarding

8.2

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 Cancún. 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 St. Louis to Cancún?

    Booking a flight from Lambert-St Louis (STL) to Cancun (CUN) is your only option if you wish to fly from St. Louis to Cancún. On a typical day, there is 1 flight from Lambert-St Louis to Cancun, all of which are around 3h 10m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Lambert-St Louis to Cancún.

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

    Yes, there are multiple flights from St. Louis to Cancún for under $300. The cheapest flight booked recently is on Spirit Airlines for just $244, but on average you can expect to pay $314.

  • Are there nonstop flights from St. Louis to Cancún for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Cancún under $500. A good price for a nonstop flight from St. Louis to Cancún is less than $478.

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

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

  • What days are nonstop flights available from St. Louis to Cancún?

    You can find nonstop flights on the following days: Monday, Tuesday.

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

    Within the past month, 15 users have taken a look at flights from Lambert-St Louis to Cancun.

  • How many flights depart from St. Louis to Cancún on average per day?

    On average 2 flights depart from St. Louis to Cancún per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from St. Louis to Cancún?

    A quick flight from St. Louis to Cancún can take about 11h 22m. Spirit Airlines provides one of the quickest options available for as low as $244. There are 1248 mi between St. Louis and Cancún. This flight may include one or multiple stops.

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

    Our cheapest airline available from St. Louis to Cancún is Spirit Airlines. Our recent data shows that you can find tickets from as low as $244 on this airline. An additional option worth looking into is Frontier, starting at $361. Spirit Airlines is 48% 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 Cancún one-way?

    One-way options have recently been found by users for as low as $159 on Frontier. Other airlines that offer cheap prices include American Airlines from $191 and Delta from $365 one-way.

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

    Before booking your flight from St. Louis to Cancún check out the most popular airlines for this route: American Airlines, Aeromexico or Delta.

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

    No one likes to see their flight delayed. When booking a flight from St. Louis to Cancún consider choosing Southwest (78%), Frontier (70%) or American Airlines (60%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Lambert-St Louis - Cancun) can be booked for $254 on average our data indicates $353 when flying from St. Louis to Cancún.

  • What does STL to CUN mean?

    STL and CUN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to CUN refers to a flight route from Lambert-St Louis Airport to Cancun Airport.

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

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

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

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

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

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

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

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

    Many airlines flying from St. Louis to Cancún 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 Cancún?

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

    The St. Louis to Cancún flight deals you see on this page were last updated on 5/8.

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

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Top 7 airlines flying from St. Louis to Cancún

Discover the top 7 airlines that operate flights from St. Louis to Cancún. 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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$135Average$271FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
VolarisCheapest$195Average$372FlexibilityNo cancel feeOn-time79%
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FrontierCheapest$227Average$477FlexibilityNo cancel feeOn-time62%
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American AirlinesCheapest$379Average$513FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$384Average$480FlexibilityNo cancel feeOn-timeN/A
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AeromexicoCheapest$395Average$477FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
United AirlinesCheapest$402Average$563FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from St. Louis to Cancún by cabin class

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

Find hourly flight availability from St. Louis to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 9, 2024.
0%of flight departuresEarly morningMidnight to 6 am
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0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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Weekly flight availability from St. Louis to Cancún

Explore weekly flight availability from St. Louis to Cancún. 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 9, 2024.
Sunday2daily flights
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Thursday1daily flight
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How does Cheapflights help users find flights from St. Louis to Cancún?

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

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

Certainly. Search results for flights to Cancún from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from St. Louis to Cancún on Cheapflights with our Price Alert feature and get notified when better prices are available.

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