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Cheap flights from St. Louis to Riviera Maya from $97

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Riviera Maya departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Riviera Maya

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:12 pm - 11:16 am
STL
-
CUN
14h 04m
1 stop
Frontier Logo
10:08 am - 9:49 am
CUN
-
STL
23h 41m
1 stop
$327Frontier
Sat, Mar 7 - Thu, Mar 12
Frontier Logo
6:00 am - 10:30 am
STL
-
CUN
3h 30mnonstop
Frontier Logo
11:42 am - 2:09 pm
CUN
-
STL
3h 27mnonstop
$333Frontier
Thu, Feb 26 - Thu, Mar 5
Frontier Logo
8:17 pm - 8:51 am
STL
-
CUN
11h 34m
1 stop
Frontier Logo
12:24 pm - 9:49 am
CUN
-
STL
22h 25m
1 stop
$338Frontier
Sat, Feb 28 - Thu, Mar 5
Multiple Airlines Logo
8:17 pm - 12:20 pm
STL
-
CUN
15h 03m
2 stops
Multiple Airlines Logo
11:44 am - 3:11 pm
CUN
-
STL
3h 27mnonstop
$340Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Aeromexico Logo
6:00 am - 1:55 pm
STL
-
CZM
7h 55m
1 stop
Aeromexico Logo
3:10 pm - 11:36 pm
CZM
-
STL
8h 26m
1 stop
$444Aeromexico
Tue, Feb 17 - Tue, Feb 24
Aeromexico Logo
7:10 am - 1:55 pm
STL
-
CZM
6h 45m
1 stop
Aeromexico Logo
3:10 pm - 11:36 pm
CZM
-
STL
8h 26m
1 stop
$469Aeromexico
Mon, Feb 16 - Sat, Feb 21
Delta Logo
6:00 am - 12:45 pm
STL
-
CZM
7h 45m
1 stop
Delta Logo
2:00 pm - 11:58 pm
CZM
-
STL
8h 58m
1 stop
$472Delta
Wed, Mar 18 - Thu, Mar 26
Delta Logo
5:59 pm - 2:00 pm
STL
-
CZM
21h 01m
2 stops
Delta Logo
3:15 pm - 11:25 pm
CZM
-
STL
7h 10m
1 stop
$476Delta
Tue, Mar 17 - Wed, Mar 25
United Airlines Logo
5:59 pm - 12:29 pm
STL
-
CZM
19h 30m
2 stops
United Airlines Logo
3:52 pm - 9:30 am
CZM
-
STL
16h 38m
1 stop
$500United Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
5:20 am - 1:10 pm
STL
-
CZM
8h 50m
1 stop
American Airlines Logo
3:24 pm - 10:24 pm
CZM
-
STL
6h 00m
1 stop
$502American Airlines
Sun, May 3 - Wed, May 13

American Airlines flights from St. Louis to Riviera Maya

Our best American Airlines deals on St. Louis to Riviera Maya flight tickets
American Airlines
Feb 28
STL6:18 pmLambert-St Louis
16h 53m
1 stop
CUN12:11 pmCancun
Mar 5
CUN8:45 amCancun
9h 28m
1 stop
STL5:13 pmLambert-St Louis
$388
American Airlines
May 3
STL5:20 amLambert-St Louis
8h 50m
1 stop
CZM1:10 pmCozumel
May 13
CZM3:24 pmCozumel
6h 00m
1 stop
STL10:24 pmLambert-St Louis
$502
American Airlines
May 2
STL6:11 pmLambert-St Louis
19h 59m
1 stop
CZM1:10 pmCozumel
May 7
CZM3:24 pmCozumel
6h 00m
1 stop
STL10:24 pmLambert-St Louis
$510

Frontier flights from St. Louis to Riviera Maya

Our best Frontier deals on St. Louis to Riviera Maya flight tickets
Frontier
Mar 7
STL8:12 pmLambert-St Louis
14h 04m
1 stop
CUN11:16 amCancun
Mar 12
CUN10:08 amCancun
23h 41m
1 stop
STL9:49 amLambert-St Louis
$327
Frontier
Feb 26
STL6:00 amLambert-St Louis
3h 30m
CUN10:30 amCancun
Mar 5
CUN11:42 amCancun
3h 27m
STL2:09 pmLambert-St Louis
$333
Frontier
Feb 28
STL8:17 pmLambert-St Louis
11h 34m
1 stop
CUN8:51 amCancun
Mar 5
CUN12:24 pmCancun
22h 25m
1 stop
STL9:49 amLambert-St Louis
$338

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from St. Louis to Riviera Maya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 3/7

8:12 pm-11:16 am

1 stop14h 04m

Cancun

Thu 3/12

10:08 am-9:49 am

1 stop23h 41m

$327

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 2/26

6:00 am-10:30 am

Nonstop3h 30m

Cancun

Thu 3/5

11:42 am-2:09 pm

Nonstop3h 27m

$333

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 2/28

8:17 pm-8:51 am

1 stop11h 34m

Cancun

Thu 3/5

12:24 pm-9:49 am

1 stop22h 25m

$338

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 3/4

8:17 pm-12:20 pm

2 stops15h 03m

Cancun

Wed 3/11

11:44 am-3:11 pm

Nonstop3h 27m

$340

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 2/17

6:00 am-1:55 pm

1 stop7h 55m

Cozumel

Tue 2/24

3:10 pm-11:36 pm

1 stop8h 26m

$444

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Mon 2/16

7:10 am-1:55 pm

1 stop6h 45m

Cozumel

Sat 2/21

3:10 pm-11:36 pm

1 stop8h 26m

$469

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Wed 3/18

6:00 am-12:45 pm

1 stop7h 45m

Cozumel

Thu 3/26

2:00 pm-11:58 pm

1 stop8h 58m

$472

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 3/17

5:59 pm-2:00 pm

2 stops21h 01m

Cozumel

Wed 3/25

3:15 pm-11:25 pm

1 stop7h 10m

$476

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Fri 5/8

5:59 pm-12:29 pm

2 stops19h 30m

Cozumel

Fri 5/15

3:52 pm-9:30 am

1 stop16h 38m

$500

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Sun 5/3

5:20 am-1:10 pm

1 stop8h 50m

Cozumel

Wed 5/13

3:24 pm-10:24 pm

1 stop6h 00m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Riviera Maya from

How to get the cheapest flight ticket from St. Louis to Riviera Maya

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Riviera Maya?

The cheapest month to fly to Riviera Maya from St. Louis is in September. Flight prices, which tend to average around $333, are often lower during this time because this is during the off-season. If you’re not able to fly to Riviera Maya in September, then October is your next best option. Flight prices from St. Louis to Riviera Maya during October average around $402.

What is the cheapest day to depart on your flight to Riviera Maya?

Our data shows that Monday is the least expensive day to fly to Riviera Maya. Tickets to fly out on this day can be as low as $383. Flights from St. Louis to Riviera Maya on a Saturday will generally be more expensive and average around $479. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Riviera Maya?

Our data shows that the cheapest St. Louis to Riviera Maya flights are usually those with departure times in the morning. Our users have found flights to Riviera Maya in the morning for as low as $422. At noon is when there is more demand to fly to Riviera Maya, so prices are often more expensive at around $628 per ticket.

What is the cheapest Lambert-St Louis to Riviera Maya flight route?

Fly from Lambert-St Louis to Cancun for the best Lambert-St Louis - Riviera Maya flight prices

How far in advance should I book a flight to Riviera Maya?

You are more likely to see cheaper flights to Riviera Maya from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Riviera Maya for around $467 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Riviera Maya from St. Louis for as low as $391 on momondo.

What cabin class options are available on Lambert-St Louis to Riviera Maya flights?

There are 2 cabin classes available to choose from on Lambert-St Louis to Riviera Maya flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Riviera Maya flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Riviera Maya.

Cheap St. Louis to Riviera Maya flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Riviera Maya

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Riviera Maya

3 airports
The fastest flight from St. Louis to Riviera Maya takes 3h 05m
Direct flights go from St. Louis to Riviera Maya every day.
There are 3 airports in Riviera Maya. From St. Louis there are direct flights to Cancun (CUN).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Riviera Maya?

    Prices for flights from Lambert-St Louis Airport to Riviera Maya were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Riviera Maya?

  • How old do you have to be to fly from Lambert-St Louis Airport to Riviera Maya?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Riviera Maya.

  • What documentation or ID do you need to fly to Riviera Maya?

    The travel and health documents required for your trip to Riviera Maya can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Riviera Maya. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from St. Louis to Riviera Maya?

Best airlines flying from St. Louis to Riviera Maya

Compare and see reviews for airlines that fly from St. Louis to Riviera Maya with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,399 reviews
Search Spirit Airlines flights
AeromexicoPriceFrom $168Free CancellationRating
7.4
1,583 reviews
Search Aeromexico flights
VolarisPriceFrom $174Free CancellationRating
6.6
1,175 reviews
Search Volaris flights
FrontierPriceFrom $197Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,135 reviews
Search Delta flights
United AirlinesPriceFrom $314Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
11,215 reviews
Search American Airlines flights
SouthwestPriceFrom $505Free CancellationRating
8.0
4,273 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Riviera Maya?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Riviera Maya for you.

Can I find flights from St. Louis to Riviera Maya with flexible booking policies on momondo?

Flights from St. Louis to Riviera Maya with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Riviera Maya?

momondo provides multiple filters to help you find the best flight to Riviera Maya from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Riviera Maya right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Riviera Maya from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Riviera Maya trip

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