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$120+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — STL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$345
(Kiwi.com)

One-way from

$120
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$223
From Riviera Maya to Lambert-St Louis
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One-way flight from Riviera Maya to Lambert-St Louis
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Highest demand for flights based on searches. 27% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

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.
Thu 9/182:49 pmCUN - STL
Nonstop3h 21mFrontier
Sun 9/2110:21 amSTL - CUN
Nonstop3h 13mFrontier
Deal found 9/15$312
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.
Wed 10/293:45 pmCUN - STL
Nonstop3h 15mFrontier
Wed 11/510:17 amSTL - CUN
Nonstop3h 13mFrontier
Deal found 9/14$345
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:45 pmCUN - STL
Nonstop3h 15mMultiple Airlines
Wed 11/194:05 pmSTL - CUN
1 stop28h 10mMultiple Airlines
Deal found 9/16$355
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:45 pmCUN - STL
Nonstop3h 15mFrontier
Wed 11/1910:17 amSTL - CUN
Nonstop3h 13mFrontier
Deal found 9/16$373
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:49 pmCUN - STL
Nonstop3h 21mMultiple Airlines
Sun 9/219:15 amSTL - CUN
1 stop10h 25mMultiple Airlines
Deal found 9/15$378
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:10 pmCUN - STL
1 stop18h 19mAir Canada
Wed 11/194:05 pmSTL - CUN
1 stop28h 10mAir Canada
Deal found 9/16$380
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:00 pmCUN - STL
1 stop29h 57mAir Canada
Sun 9/219:15 amSTL - CUN
1 stop10h 25mAir Canada
Deal found 9/15$393
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.
Wed 10/291:49 pmCUN - STL
1 stop20h 13mMultiple Airlines
Wed 11/57:45 pmSTL - CUN
2 stops37h 57mMultiple Airlines
Deal found 9/14$397
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:39 amCUN - STL
1 stop8h 11mUnited Airlines
Wed 11/198:00 amSTL - CUN
2 stops11h 18mUnited Airlines
Deal found 9/16$420
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:25 pmCZM - STL
1 stop7h 57mUnited Airlines
Wed 11/196:15 amSTL - CZM
1 stop7h 08mUnited Airlines
Deal found 9/16$457
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:25 pmCZM - STL
1 stop7h 57mUnited Airlines
Wed 11/58:20 amSTL - CZM
1 stop29h 03mUnited Airlines
Deal found 9/14$484
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:21 pmCZM - STL
2 stops9h 32mUnited Airlines
Sun 9/216:15 amSTL - CZM
1 stop7h 04mUnited Airlines
Deal found 9/15$750

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 September 16, 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

Wed 10/29

3:45 pm-7:00 pm

Nonstop3h 15m

Lambert-St Louis

Wed 11/5

10:17 am-2:30 pm

Nonstop3h 13m

$345

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Wed 11/12

3:45 pm-6:00 pm

Nonstop3h 15m

Lambert-St Louis

Wed 11/19

4:05 pm-9:15 pm

1 stop28h 10m

$355

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Wed 11/12

3:45 pm-6:00 pm

Nonstop3h 15m

Lambert-St Louis

Wed 11/19

10:17 am-2:30 pm

Nonstop3h 13m

$373

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Wed 10/29

1:49 pm-10:02 am

1 stop20h 13m

Lambert-St Louis

Wed 11/5

7:45 pm-10:42 am

2 stops37h 57m

$397

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Wed 11/12

8:39 am-3:50 pm

1 stop8h 11m

Lambert-St Louis

Wed 11/19

8:00 am-8:18 pm

2 stops11h 18m

$420

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 2/19

11:14 am-8:39 pm

2 stops10h 25m

Lambert-St Louis

Sun 2/22

10:00 am-4:31 pm

1 stop5h 31m

$420

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Wed 3/4

3:15 pm-11:40 pm

1 stop8h 25m

Lambert-St Louis

Mon 3/9

6:30 am-2:12 pm

1 stop8h 42m

$457

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Tue 3/3

2:25 pm-10:14 pm

1 stop7h 49m

Lambert-St Louis

Tue 3/10

3:15 pm-12:23 pm

2 stops22h 08m

$457

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Fri 2/27

2:25 pm-4:34 pm

2 stops26h 09m

Lambert-St Louis

Tue 3/10

6:15 am-12:23 pm

1 stop7h 08m

$457

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Tue 3/3

2:25 pm-10:14 pm

1 stop7h 49m

Lambert-St Louis

Mon 3/9

8:50 am-12:23 pm

1 stop28h 33m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 33 results
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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 September 16, 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, 2 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 3h 15m. The time it takes to get you to your destination can typically vary by up to 4h 34m. 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 flights from Riviera Maya to St. Louis?

    Looking for the cheapest flight from Riviera Maya to St. Louis? While on average our users pay $368, our data indicates the cheapest price to be $137. The most popular route (Cancun - Lambert-St Louis), is priced around $378.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Riviera Maya to St. Louis (average of $311). Flying from Riviera Maya to St. Louis in March is currently the most expensive (average of $356). 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

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
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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