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Cheap flights from St. Louis to Riviera Maya from $98

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 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
8:17 pm - 8:51 am
STL
-
CUN
11h 34m1 stop
Frontier Logo
11:42 am - 2:09 pm
CUN
-
STL
3h 27mnonstop
$242Frontier
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
6:00 am - 10:30 am
STL
-
CUN
3h 30mnonstop
Frontier Logo
4:30 pm - 6:51 am
CUN
-
STL
15h 21m1 stop
$263Frontier
Tue, Jan 27 - Fri, Jan 30
Multiple Airlines Logo
6:00 am - 10:30 am
STL
-
CUN
3h 30mnonstop
Multiple Airlines Logo
10:13 am - 10:27 pm
CUN
-
STL
13h 14m1 stop
$273Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Frontier Logo
8:22 pm - 3:20 pm
STL
-
CUN
17h 58m1 stop
Frontier Logo
1:29 pm - 3:57 pm
CUN
-
STL
3h 28mnonstop
$277Frontier
Sat, Jan 24 - Wed, Jan 28
Multiple Airlines Logo
5:11 pm - 9:13 am
STL
-
CUN
15h 02m1 stop
Multiple Airlines Logo
4:30 pm - 6:51 am
CUN
-
STL
15h 21m1 stop
$288Multiple Airlines
Sun, Jan 18 - Fri, Jan 23
Delta Logo
6:00 am - 1:55 pm
STL
-
CZM
7h 55m1 stop
Delta Logo
3:10 pm - 11:36 pm
CZM
-
STL
8h 26m1 stop
$399Delta
Tue, Feb 17 - Wed, Feb 25
Delta Logo
6:00 am - 1:55 pm
STL
-
CZM
7h 55m1 stop
Delta Logo
3:10 pm - 11:36 pm
CZM
-
STL
8h 26m1 stop
$400Delta
Tue, Feb 17 - Wed, Feb 25
Aeromexico Logo
7:10 am - 1:50 pm
STL
-
CZM
6h 40m1 stop
Aeromexico Logo
3:05 pm - 11:37 pm
CZM
-
STL
8h 32m1 stop
$406Aeromexico
Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
6:00 am - 1:23 pm
STL
-
CZM
7h 23m1 stop
United Airlines Logo
2:25 pm - 12:29 pm
CZM
-
STL
22h 04m2 stops
$414United Airlines
Wed, Jan 7 - Wed, Jan 14
American Airlines Logo
6:00 am - 2:24 pm
STL
-
CZM
8h 24m1 stop
American Airlines Logo
3:24 pm - 11:03 am
CZM
-
STL
19h 39m1 stop
$417American Airlines
Mon, Feb 2 - Tue, Feb 10

Frontier flights from St. Louis to Riviera Maya

Our best Frontier deals on St. Louis to Riviera Maya flight tickets
Frontier
Feb 21
STL8:17 pmLambert-St Louis
11h 34m
1 stop
CUN8:51 amCancun
Feb 24
CUN11:42 amCancun
3h 27m
STL2:09 pmLambert-St Louis
$242
Find similar
Frontier
Jan 27
STL6:00 amLambert-St Louis
3h 30m
CUN10:30 amCancun
Jan 30
CUN4:30 pmCancun
15h 21m
1 stop
STL6:51 amLambert-St Louis
$263
Find similar
Frontier
Jan 24
STL8:22 pmLambert-St Louis
17h 58m
1 stop
CUN3:20 pmCancun
Jan 28
CUN1:29 pmCancun
3h 28m
STL3:57 pmLambert-St Louis
$277
Find similar

United Airlines flights from St. Louis to Riviera Maya

Our best United Airlines deals on St. Louis to Riviera Maya flight tickets
United Airlines
Dec 23
STL6:00 amLambert-St Louis
8h 59m
1 stop
CUN3:59 pmCancun
Dec 27
CUN8:15 amCancun
7h 11m
1 stop
STL2:26 pmLambert-St Louis
$410
Find similar
United Airlines
Jan 7
STL6:00 amLambert-St Louis
7h 23m
1 stop
CZM1:23 pmCozumel
Jan 14
CZM2:25 pmCozumel
22h 04m
2 stops
STL12:29 pmLambert-St Louis
$414
Find similar
United Airlines
Jan 30
STL6:40 pmLambert-St Louis
18h 18m
2 stops
CZM12:58 pmCozumel
Feb 6
CZM2:25 pmCozumel
22h 04m
2 stops
STL12:29 pmLambert-St Louis
$438
Find similar

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 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

Fly to

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 2/21

8:17 pm-8:51 am

1 stop11h 34m

Cancun

Tue 2/24

11:42 am-2:09 pm

Nonstop3h 27m

$242

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 1/27

6:00 am-10:30 am

Nonstop3h 30m

Cancun

Fri 1/30

4:30 pm-6:51 am

1 stop15h 21m

$263

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 2/17

6:00 am-10:30 am

Nonstop3h 30m

Cancun

Tue 2/24

10:13 am-10:27 pm

1 stop13h 14m

$273

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

$277

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 1/18

5:11 pm-9:13 am

1 stop15h 02m

Cancun

Fri 1/23

4:30 pm-6:51 am

1 stop15h 21m

$288

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 2/17

6:00 am-1:55 pm

1 stop7h 55m

Cozumel

Wed 2/25

3:10 pm-11:36 pm

1 stop8h 26m

$399

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 2/17

6:00 am-1:55 pm

1 stop7h 55m

Cozumel

Wed 2/25

3:10 pm-11:36 pm

1 stop8h 26m

$400

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Fri 1/30

7:10 am-1:50 pm

1 stop6h 40m

Cozumel

Fri 2/6

3:05 pm-11:37 pm

1 stop8h 32m

$406

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Wed 1/7

6:00 am-1:23 pm

1 stop7h 23m

Cozumel

Wed 1/14

2:25 pm-12:29 pm

2 stops22h 04m

$414

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Mon 2/2

6:00 am-2:24 pm

1 stop8h 24m

Cozumel

Tue 2/10

3:24 pm-11:03 am

1 stop19h 39m

$417

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 $336, 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 $400.

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 $391. Flights from St. Louis to Riviera Maya on a Saturday will generally be more expensive and average around $514. 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 evening. Our users have found flights to Riviera Maya in the evening for as low as $367. At noon is when there is more demand to fly to Riviera Maya, so prices are often more expensive at around $627 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 $470 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 $374 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 00m

Direct flights

Every day

Airports in Riviera Maya

3 airports
The fastest flight from St. Louis to Riviera Maya takes 3h 00m
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
8,190 reviews
Search Spirit Airlines flights
VolarisPriceFrom $175Free CancellationRating
6.6
1,156 reviews
Search Volaris flights
AeromexicoPriceFrom $218Free CancellationRating
7.4
1,629 reviews
Search Aeromexico flights
FrontierPriceFrom $232Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $315Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $386Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $435Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $521Free CancellationRating
7.9
4,250 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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