$98+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Jan 17 — Jan 241
1 adult, Economy
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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
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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
Cheapest flights from St. Louis to Riviera MayaExplore 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 December 18, 2025.
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 December 18, 2025.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:43 pmSTL - CUN
1 stop20h 29mFrontier
Thu 1/84:58 pmCUN - STL
1 stop18h 04mFrontier
Deal found 12/16![Frontier logo]()
$349
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 12/317:43 pmSTL - CUN
1 stop20h 29mFrontier
Wed 1/712:06 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 12/16![Frontier logo]()
$359
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.
Sun 12/2110:30 amSTL - CUN
1 stop6h 20mUnited Airlines
Thu 12/258:15 amCUN - STL
1 stop9h 12mUnited Airlines
Deal found 12/16![United Airlines logo]()
$365
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 12/178:00 amSTL - CUN
2 stops8h 50mUnited Airlines
Tue 12/236:30 amCUN - STL
1 stop11h 06mUnited Airlines
Deal found 12/16![United Airlines logo]()
$369
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amSTL - CUN
Nonstop3h 23mFrontier
Tue 12/304:58 pmCUN - STL
1 stop18h 04mFrontier
Deal found 12/17![Frontier logo]()
$383
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:22 pmSTL - CUN
1 stop6h 58mDelta
Wed 12/2411:23 amCUN - STL
2 stops13h 15mDelta
Deal found 12/15![Delta logo]()
$389
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.
Wed 12/314:05 pmSTL - CUN
1 stop17h 45mAir Canada
Wed 1/77:25 pmCUN - STL
1 stop21h 04mAir Canada
Deal found 12/16![Air Canada logo]()
$407
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.
Thu 12/188:05 amSTL - CUN
2 stops8h 45mUnited Airlines
Wed 12/243:18 pmCUN - STL
1 stop7h 25mUnited Airlines
Deal found 12/17![United Airlines logo]()
$410
This Aeromexico deal was found by Cheapflights users on 12/18. 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.
Thu 12/257:00 amSTL - CZM
1 stop7h 15mAeromexico
Wed 12/313:30 pmCZM - STL
1 stop8h 08mAeromexico
Deal found 12/18![Aeromexico logo]()
$448
This Aeromexico 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amSTL - CZM
1 stop8h 15mAeromexico
Wed 12/313:30 pmCZM - STL
1 stop8h 08mAeromexico
Deal found 12/17![Aeromexico logo]()
$491
This Aeromexico 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amSTL - CZM
1 stop7h 15mAeromexico
Sat 12/273:30 pmCZM - STL
1 stop8h 12mAeromexico
Deal found 12/17![Aeromexico logo]()
$493
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amSTL - CZM
1 stop8h 15mDelta
Thu 1/13:30 pmCZM - STL
1 stop8h 08mDelta
Deal found 12/16![Delta logo]()
$496
Find 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 December 18, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $242 (Kiwi.com) |
One-way from | $98 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $446 |
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 December 18, 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
Sat 1/24
8:22 pm-3:20 pm
1 stop17h 58m
Cancun
Wed 1/28
1:29 pm-3:57 pm
Nonstop3h 28m
$314
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Sat 1/24
8:22 pm-3:20 pm
1 stop17h 58m
Cancun
Wed 1/28
5:45 pm-11:37 pm
1 stop6h 52m
$346
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Sun 4/19
6:30 am-2:04 pm
1 stop7h 34m
Cancun
Thu 4/23
12:35 pm-11:38 pm
1 stop11h 03m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Sun 1/18
6:00 am-3:59 pm
1 stop8h 59m
Cancun
Wed 1/21
4:51 pm-10:00 pm
1 stop6h 09m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 3/25
10:02 am-7:59 pm
1 stop9h 57m
Cancun
Wed 4/1
8:00 am-3:53 pm
1 stop7h 53m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Tue 1/27
6:00 am-8:00 pm
2 stops13h 00m
Cancun
Fri 1/30
11:15 am-11:37 pm
2 stops13h 22m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 1/21
6:00 am-4:35 pm
1 stop9h 35m
Cancun
Wed 1/28
8:00 am-4:07 pm
1 stop9h 07m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 1/7
4:05 pm-6:00 pm
1 stop24h 55m
Cancun
Mon 1/12
7:25 pm-3:29 pm
1 stop21h 04m
$384
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Sat 2/21
2:51 pm-10:38 am
2 stops18h 47m
Cancun
Tue 2/24
1:26 pm-6:51 am
2 stops18h 25m
$394
St. LouisCozumel
STL - CZM
STLCZM
Lambert-St Louis
Tue 1/6
7:10 am-1:50 pm
1 stop6h 40m
Cozumel
Tue 1/13
3:05 pm-11:39 pm
1 stop8h 34m
$409
Showing 1-10 of 44 results
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, February is the cheapest month in which you can book a flight from St. Louis to Riviera Maya (average of $158). Flying from St. Louis to Riviera Maya in June is currently the most expensive (average of $231). 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 December 18, 2025.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Riviera Maya in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from St. Louis to Riviera Maya?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Riviera Maya. Price data was last updated on December 13, 2025.
Travelers seeking maximum savings on their St. Louis to Riviera Maya flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from St. Louis to Riviera Maya
Explore weekly flight availability from St. Louis to Riviera Maya. 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 December 18, 2025.
The most flights from STL to zzETW are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
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 December 18, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for St. Louis to Riviera Maya
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$293 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$175 | Average$372 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$218 | Average$497 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$315 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$386 | Average$602 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$435 | Average$633 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$521 | Average$662 | FlexibilityNo cancel fee | On-time63% |