HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Riviera Maya

$113+ Cheap flights from St. Louis (STL) to Riviera Maya

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Riviera Maya with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Riviera Maya

Keep the following information in mind while searching for St. Louis to Riviera Maya flight deals. Data was last updated September 16, 2025.

Round-trip from

$244
(Cheapflightsfares)

One-way from

$113
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$359
From Lambert-St Louis to Riviera Maya
Search Deals
One-way flight from Lambert-St Louis to Riviera Maya
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from St. Louis to Riviera Maya

Cheapest flights from St. Louis to Riviera Maya
Explore the most affordable flight options available from St. Louis to Riviera Maya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:22 amSTL - CUN
Nonstop3h 13mFrontier
Thu 10/162:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 9/14$244
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:17 amSTL - CUN
Nonstop3h 13mFrontier
Thu 11/2012:14 pmCUN - STL
Nonstop3h 19mFrontier
Deal found 9/13$248
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:17 amSTL - CUN
Nonstop3h 13mFrontier
Fri 11/143:45 pmCUN - STL
Nonstop3h 15mFrontier
Deal found 9/14$278
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 10/62:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 9/14$281
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:17 amSTL - CUN
Nonstop3h 13mFrontier
Tue 11/183:45 pmCUN - STL
Nonstop3h 15mFrontier
Deal found 9/13$282
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:22 amSTL - CUN
Nonstop3h 13mFrontier
Wed 10/152:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 9/15$284
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:17 amSTL - CUN
Nonstop3h 13mFrontier
Thu 11/2012:14 pmCUN - STL
Nonstop3h 19mFrontier
Deal found 9/13$290
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:52 pmSTL - CUN
1 stop19h 12mFrontier
Thu 10/303:45 pmCUN - STL
Nonstop3h 15mFrontier
Deal found 9/15$294
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 10/62:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 9/16$295
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:22 amSTL - CUN
Nonstop3h 13mFrontier
Fri 10/172:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 9/15$297
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:17 amSTL - CUN
1 stop22h 30mMultiple Airlines
Thu 10/303:45 pmCUN - STL
Nonstop3h 15mMultiple Airlines
Deal found 9/14$298
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:22 amSTL - CUN
Nonstop3h 13mMultiple Airlines
Sat 10/259:52 amCUN - STL
1 stop23h 30mMultiple Airlines
Deal found 9/14$301

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Riviera Maya 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from St. Louis to Riviera Maya that are best for you.

Fly from

St. Louis

Fly to

Riviera Maya

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 11/10

10:17 am-2:30 pm

Nonstop3h 13m

Cancun

Mon 11/17

10:10 pm-3:29 pm

1 stop18h 19m

$322

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 12/4

9:30 am-9:20 pm

1 stop10h 50m

Cancun

Tue 12/9

8:00 am-6:34 pm

1 stop11h 34m

$361

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 12/8

11:40 am-9:20 pm

1 stop8h 40m

Cancun

Mon 12/15

8:00 am-5:57 pm

1 stop10h 57m

$361

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 9/30

1:30 pm-12:55 pm

1 stop23h 25m

Cancun

Fri 10/3

1:30 pm-7:57 pm

1 stop30h 27m

$363

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 11/15

10:17 am-2:30 pm

Nonstop3h 13m

Cancun

Sat 11/22

8:00 am-4:07 pm

1 stop9h 07m

$364

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 10/13

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Thu 10/16

1:49 pm-12:00 pm

3 stops22h 11m

$369

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 12/4

1:55 pm-9:20 pm

1 stop6h 25m

Cancun

Sun 12/7

11:56 am-5:57 pm

1 stop7h 01m

$406

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 11/15

7:45 pm-11:16 am

2 stops38h 31m

Cancun

Sat 11/22

12:14 pm-2:33 pm

Nonstop3h 19m

$427

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 9/30

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Fri 10/3

10:20 am-9:06 am

3 stops22h 46m

$430

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 11/29

6:00 am-12:22 pm

1 stop5h 22m

Cancun

Sat 12/6

6:00 am-4:07 pm

2 stops11h 07m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from St. Louis to Riviera Maya

Have a flexible travel schedule? Discover the best time to fly to Riviera Maya from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Riviera Maya

What is the cheapest month to book a flight from St. Louis to Riviera Maya?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Riviera Maya (average of $360). Flying from St. Louis to Riviera Maya in March is currently the most expensive (average of $492). 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.

What is the cheapest time of day to fly from STL to ETW?

Find hourly flight availability from St. Louis to Riviera Maya. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Riviera Maya as you normally would.

Reviews of airlines servicing Riviera Maya

Get insights into the airlines that provide service to Riviera Maya. 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 Riviera Maya. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from St. Louis to Riviera Maya to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Volaris
6.6
Okay
1,154 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Riviera Maya. 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 Riviera Maya?

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

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

    Flights from Lambert-St Louis to Riviera Maya have been viewed 22 times in the past calendar month.

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

    Departing from St. Louis to Riviera Maya will take you 7h 23m. Airlines will cover a distance of 1276 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $117. Users have also found prices from $144 and $284 on Delta and United Airlines, respectively.

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

    Looking for the cheapest flight from St. Louis to Riviera Maya? While on average our users pay $317, our data indicates the cheapest price to be $138. The most popular route (Lambert-St Louis - Cancun), is priced around $275.

  • Can I find deals for flights from St. Louis to Riviera Maya that include hotel bookings?

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Riviera Maya?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Riviera Maya (average of $360). Flying from St. Louis to Riviera Maya in March is currently the most expensive (average of $492). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from St. Louis to Riviera Maya

Discover the top 8 airlines that operate flights from St. Louis to Riviera Maya. 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$293FlexibilityNo cancel feeOn-time65%
VolarisCheapest$174Average$365FlexibilityNo cancel feeOn-time79%
FrontierCheapest$256Average$462FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$342Average$518FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$360Average$542FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$614FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$481Average$631FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$516Average$676FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.