HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

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

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — STL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Cheapest flights from Riviera Maya to St. Louis
Explore the most affordable flight options available from Riviera Maya to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:50 pmCUN - STL
1 stop19h 50mFrontier
Thu 1/83:43 pmSTL - CUN
1 stop23h 20mFrontier
Deal found 12/16$364
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:15 amCUN - STL
1 stop7h 11mUnited Airlines
Fri 1/28:05 amSTL - CUN
1 stop6h 30mUnited Airlines
Deal found 12/17$406
This Aeromexico deal was found by Cheapflights users on 12/16. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:30 pmCZM - STL
1 stop8h 08mAeromexico
Thu 1/86:00 amSTL - CZM
1 stop7h 50mAeromexico
Deal found 12/16$442
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:25 pmCZM - STL
1 stop7h 30mUnited Airlines
Fri 1/26:00 amSTL - CZM
1 stop7h 23mUnited Airlines
Deal found 12/15$446
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:26 pmCUN - STL
Nonstop3h 21mMultiple Airlines
Thu 1/84:05 pmSTL - CUN
1 stop28h 10mMultiple Airlines
Deal found 12/16$455
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:37 pmCUN - STL
1 stop9h 45mUnited Airlines
Thu 1/88:30 amSTL - CUN
1 stop7h 10mUnited Airlines
Deal found 12/16$483
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 pmCUN - STL
1 stop18h 19mAir Canada
Sun 12/284:05 pmSTL - CUN
1 stop19h 50mAir Canada
Deal found 12/16$503
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:26 pmCUN - STL
Nonstop3h 21mFrontier
Sun 12/286:00 amSTL - CUN
Nonstop3h 23mFrontier
Deal found 12/16$514
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:10 pmCUN - STL
1 stop18h 19mAir Canada
Sun 12/284:05 pmSTL - CUN
1 stop19h 50mAir Canada
Deal found 12/16$519
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:58 pmCUN - STL
1 stop18h 04mFrontier
Sun 12/286:00 amSTL - CUN
Nonstop3h 23mFrontier
Deal found 12/16$543
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:25 pmCZM - STL
2 stops26h 02mUnited Airlines
Fri 12/266:00 amSTL - CZM
1 stop7h 23mUnited Airlines
Deal found 12/16$641
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:25 pmCZM - STL
2 stops22h 55mUnited Airlines
Thu 1/86:00 amSTL - CZM
1 stop7h 23mUnited Airlines
Deal found 12/16$642

Find flight deals from Riviera Maya to St. Louis

Keep the following information in mind while searching for Riviera Maya to St. Louis flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Frontier)

One-way from

$113
(Super.com)

Popular in

January

Cheapest in

September

Average price

$384
Provider with most accurate pricing for Cancun-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-Lambert-St Louis flights.
Search Deals
From Riviera Maya to Lambert-St Louis
Search Deals
One-way flight from Riviera Maya to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riviera Maya 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Riviera Maya to St. Louis that are best for you.

Fly from

Riviera Maya

Fly to

St. Louis

Route

Depart

Return

Price

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sat 1/31

11:15 am-11:33 pm

2 stops13h 18m

Lambert-St Louis

Sat 2/7

11:00 am-10:32 am

2 stops22h 32m

$302

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 2/19

2:44 pm-10:14 pm

1 stop8h 30m

Lambert-St Louis

Sun 2/22

8:30 am-4:40 pm

1 stop7h 10m

$317

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sat 1/31

10:13 am-11:33 pm

1 stop14h 20m

Lambert-St Louis

Sat 2/7

8:22 pm-3:20 pm

1 stop17h 58m

$327

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 2/19

11:42 am-2:09 pm

Nonstop3h 27m

Lambert-St Louis

Sun 2/22

6:00 am-10:30 am

Nonstop3h 30m

$335

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sun 2/1

2:04 pm-6:51 am

2 stops17h 47m

Lambert-St Louis

Sun 2/8

5:42 pm-9:13 am

1 stop14h 31m

$356

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Thu 2/19

2:25 pm-10:14 pm

1 stop7h 49m

Lambert-St Louis

Tue 2/24

11:25 am-1:23 pm

2 stops25h 58m

$357

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Tue 2/17

2:25 pm-10:59 pm

2 stops32h 34m

Lambert-St Louis

Mon 2/23

6:00 am-1:23 pm

1 stop7h 23m

$357

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Fri 2/20

2:25 pm-12:21 pm

2 stops21h 56m

Lambert-St Louis

Mon 2/23

4:39 pm-1:23 pm

1 stop20h 44m

$357

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Tue 2/17

2:25 pm-9:05 pm

2 stops30h 40m

Lambert-St Louis

Sun 3/1

6:00 am-1:23 pm

1 stop7h 23m

$357

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Fri 2/20

2:25 pm-4:02 pm

2 stops25h 37m

Lambert-St Louis

Sun 3/1

6:00 am-1:23 pm

1 stop7h 23m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 34 results
1
2
3
4

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Riviera Maya 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 Riviera Maya to St. Louis

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

Find hourly flight availability from Riviera Maya 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 December 18, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Riviera Maya 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 airport do you fly into for flights to St. Louis from Riviera Maya?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Riviera Maya to St. Louis.

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

    Within the past month, 3 users have taken a look at flights from Riviera Maya to Lambert-St Louis.

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

    Airlines like Frontier and United Airlines fly from Riviera Maya to St. Louis in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 4h 48m. There are 1241 mi between Riviera Maya and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Riviera Maya to St. Louis are Volaris ($124), Frontier ($164), and Delta ($193).

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

    Consider Frontier (85%), Southwest (84%) or American Airlines (50%) when booking your flight. These represent the most reliable airlines when flying from Riviera Maya to St. Louis.

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

    Looking for the cheapest flight from Riviera Maya to St. Louis? While on average our users pay $208, our data indicates the cheapest price to be $133. The most popular route (Cancun - Lambert-St Louis), is priced around $318.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riviera Maya 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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.

Alternative routes for Riviera Maya to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Kansas City flights
Cancún to St. Louis flights
Cozumel to St. Louis flights

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.