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$161+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — STL
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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 August 2, 2025.

Round-trip from

$356
(United Airlines)

One-way from

$161
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$273
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. 23% potential increase in price ($137 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 August 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 August 2, 2025.

This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/151:12 pmCUN - STL
1 stop8h 56mUnited Airlines
Mon 9/228:20 amSTL - CUN
1 stop11h 00mUnited Airlines
Deal found 8/1$356
This Delta deal was found by Cheapflights users on 8/1. 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 9/158:00 amCUN - STL
1 stop13h 15mDelta
Mon 9/229:19 amSTL - CUN
2 stops11h 26mDelta
Deal found 8/1$357
This Priceline deal was found by Cheapflights users on 7/31. 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.
Sun 9/142:49 pmCUN - STL
Nonstop3h 21mFrontier
Sun 9/2110:21 amSTL - CUN
Nonstop3h 13mFrontier
Deal found 7/31$367
This Priceline deal was found by Cheapflights users on 8/1. 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.
Mon 9/152:49 pmCUN - STL
Nonstop3h 21mMultiple Airlines
Mon 9/2211:04 amSTL - CUN
1 stop9h 11mMultiple Airlines
Deal found 8/1$397
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/151:21 pmCZM - STL
1 stop7h 47mUnited Airlines
Mon 9/226:15 amSTL - CZM
1 stop7h 04mUnited Airlines
Deal found 8/1$479
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Mon 8/412:26 pmCUN - STL
1 stop28h 05mSpirit Airlines
Sat 8/910:45 amSTL - CUN
1 stop21h 32mSpirit Airlines
Deal found 8/1$534
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:10 pmCUN - STL
3 stops25h 24mAlaska Airlines
Mon 9/223:35 pmSTL - CUN
2 stops23h 25mAlaska Airlines
Deal found 8/1$848
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:40 amCUN - STL
1 stop7h 50mSouthwest
Sat 8/910:45 amSTL - CUN
Nonstop3h 05mSouthwest
Deal found 8/1$892
This Aeromexico deal was found by Cheapflights users on 7/31. 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.
Sun 9/141:10 pmCZM - STL
2 stops9h 14mAeromexico
Sun 9/216:01 amSTL - CZM
2 stops33h 19mAeromexico
Deal found 7/31$1,025

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 August 2, 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

Mon 9/15

1:12 pm-10:08 pm

1 stop8h 56m

Lambert-St Louis

Mon 9/22

8:20 am-7:20 pm

1 stop11h 00m

$356

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Mon 9/15

8:00 am-9:15 pm

1 stop13h 15m

Lambert-St Louis

Mon 9/22

9:19 am-8:45 pm

2 stops11h 26m

$357

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sun 9/14

2:49 pm-6:10 pm

Nonstop3h 21m

Lambert-St Louis

Sun 9/21

10:21 am-1:34 pm

Nonstop3h 13m

$367

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Mon 9/15

2:49 pm-6:10 pm

Nonstop3h 21m

Lambert-St Louis

Mon 9/22

11:04 am-8:15 pm

1 stop9h 11m

$397

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Mon 9/15

1:21 pm-10:08 pm

1 stop7h 47m

Lambert-St Louis

Mon 9/22

6:15 am-12:19 pm

1 stop7h 04m

$479

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Mon 9/15

4:10 pm-5:34 pm

3 stops25h 24m

Lambert-St Louis

Mon 9/22

3:35 pm-3:00 pm

2 stops23h 25m

$848

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Sun 9/14

1:10 pm-11:24 pm

2 stops9h 14m

Lambert-St Louis

Sun 9/21

6:01 am-2:20 pm

2 stops33h 19m

$1,025

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 8/28

9:28 am-1:32 pm

1 stop28h 04m

$161

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sun 10/5

2:49 pm-6:10 pm

Nonstop3h 21m

$192

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 9/4

1:43 pm-2:26 pm

1 stop24h 43m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 17 results
1
2

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 August 2, 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.

Weekly flight availability from Riviera Maya to St. Louis

Explore weekly flight availability from Riviera Maya to St. Louis. 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 August 2, 2025.

The most flights from zzETW to STL are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated August 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Riviera Maya to St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Aeromexico
7.5
Good
1,719 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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.

  • 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 Spirit Airlines ($161), Frontier ($192), and United Airlines ($194).

  • 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 $221, our data indicates the cheapest price to be $100. The most popular route (Cancun - Lambert-St Louis), is priced around $302.

  • 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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