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Cheap flights from St. Louis to Riviera Maya from $88

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 11/4. 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

Frontier Logo
10:22 am - 1:35 pmSTL-CUN
3h 13mnonstop
Frontier Logo
3:45 pm - 6:00 pmCUN-STL
3h 15mnonstop
$248Frontier
Find Deal
Sun, Oct 26 - Sun, Nov 2
Frontier Logo
10:22 am - 1:35 pmSTL-CUN
3h 13mnonstop
Frontier Logo
2:50 pm - 6:07 pmCUN-STL
3h 17mnonstop
$265Frontier
Find Deal
Tue, Oct 7 - Fri, Oct 10
Aeromexico Logo
10:00 am - 9:33 amSTL-CUN
22h 33m2 stops
Aeromexico Logo
3:03 pm - 11:40 pmCUN-STL
9h 37m1 stop
$310Aeromexico
Find Deal
Wed, Jan 21 - Wed, Jan 28
Aeromexico Logo
10:00 am - 9:33 amSTL-CUN
22h 33m2 stops
Aeromexico Logo
4:55 pm - 3:01 pmCUN-STL
23h 06m2 stops
$314Aeromexico
Find Deal
Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
6:03 pm - 11:00 amSTL-CUN
15h 57m1 stop
American Airlines Logo
5:14 pm - 11:06 pmCUN-STL
6h 52m1 stop
$316American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
6:30 am - 3:15 pmSTL-CUN
7h 45m1 stop
Delta Logo
12:25 pm - 11:40 pmCUN-STL
12h 15m1 stop
$356Delta
Find Deal
Wed, Jan 28 - Wed, Feb 4
Delta Logo
6:00 am - 3:17 pmSTL-CUN
8h 17m1 stop
Delta Logo
12:05 pm - 11:10 pmCUN-STL
12h 05m2 stops
$360Delta
Find Deal
Sun, Feb 15 - Fri, Feb 20
United Airlines Logo
6:15 am - 1:23 pmSTL-CZM
7h 08m1 stop
United Airlines Logo
2:25 pm - 10:51 amCZM-STL
20h 26m2 stops
$527United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
American Airlines Logo
5:10 am - 2:36 pmSTL-CZM
9h 26m1 stop
American Airlines Logo
3:01 pm - 10:35 pmCZM-STL
7h 34m1 stop
$528American Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
United Airlines Logo
6:15 am - 1:23 pmSTL-CZM
7h 08m1 stop
United Airlines Logo
2:25 pm - 10:39 amCZM-STL
20h 14m1 stop
$533United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13

Aeromexico flights from St. Louis to Riviera Maya

Our best Aeromexico deals on St. Louis to Riviera Maya flight tickets
Aeromexico
Jan 21
STL10:00 amLambert-St Louis
22h 33m
2 stops
CUN9:33 amCancun
Jan 28
CUN3:03 pmCancun
9h 37m
1 stop
STL11:40 pmLambert-St Louis
$310
Find similar
Aeromexico
Jan 21
STL10:00 amLambert-St Louis
22h 33m
2 stops
CUN9:33 amCancun
Jan 28
CUN4:55 pmCancun
23h 06m
2 stops
STL3:01 pmLambert-St Louis
$314
Find similar
Aeromexico
Jan 21
STL10:00 amLambert-St Louis
5h 31m
1 stop
CUN4:31 pmCancun
Jan 28
CUN5:30 pmCancun
7h 10m
1 stop
STL11:40 pmLambert-St Louis
$350
Find similar

American Airlines flights from St. Louis to Riviera Maya

Our best American Airlines deals on St. Louis to Riviera Maya flight tickets
American Airlines
Dec 6
STL6:03 pmLambert-St Louis
15h 57m
1 stop
CUN11:00 amCancun
Dec 10
CUN5:14 pmCancun
6h 52m
1 stop
STL11:06 pmLambert-St Louis
$316
Find similar
American Airlines
Oct 2
STL5:28 amLambert-St Louis
9h 58m
1 stop
CUN3:26 pmCancun
Oct 5
CUN7:50 amCancun
12h 26m
1 stop
STL8:16 pmLambert-St Louis
$465
Find similar
American Airlines
Dec 15
STL5:10 amLambert-St Louis
9h 26m
1 stop
CZM2:36 pmCozumel
Dec 22
CZM3:01 pmCozumel
7h 34m
1 stop
STL10:35 pmLambert-St Louis
$528
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 September 24, 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

Sun 10/26

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Sun 11/2

3:45 pm-6:00 pm

Nonstop3h 15m

$248

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 10/7

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Fri 10/10

2:50 pm-6:07 pm

Nonstop3h 17m

$265

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/21

10:00 am-9:33 am

2 stops22h 33m

Cancun

Wed 1/28

3:03 pm-11:40 pm

1 stop9h 37m

$310

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/21

10:00 am-9:33 am

2 stops22h 33m

Cancun

Wed 1/28

4:55 pm-3:01 pm

2 stops23h 06m

$314

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 12/6

6:03 pm-11:00 am

1 stop15h 57m

Cancun

Wed 12/10

5:14 pm-11:06 pm

1 stop6h 52m

$316

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/28

6:30 am-3:15 pm

1 stop7h 45m

Cancun

Wed 2/4

12:25 pm-11:40 pm

1 stop12h 15m

$356

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 2/15

6:00 am-3:17 pm

1 stop8h 17m

Cancun

Fri 2/20

12:05 pm-11:10 pm

2 stops12h 05m

$360

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Thu 11/6

6:15 am-1:23 pm

1 stop7h 08m

Cozumel

Thu 11/13

2:25 pm-10:51 am

2 stops20h 26m

$527

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Mon 12/15

5:10 am-2:36 pm

1 stop9h 26m

Cozumel

Mon 12/22

3:01 pm-10:35 pm

1 stop7h 34m

$528

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Thu 11/6

6:15 am-1:23 pm

1 stop7h 08m

Cozumel

Thu 11/13

2:25 pm-10:39 am

1 stop20h 14m

$533

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 $359, 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 April is your next best option. Flight prices from St. Louis to Riviera Maya during April average around $446.

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 $442. Flights from St. Louis to Riviera Maya on a Saturday will generally be more expensive and average around $549. 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 $851 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 $510 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 $404 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 13m

Direct flights

Every day

Airports in Riviera Maya

1 airport
The fastest flight from St. Louis to Riviera Maya takes 3h 13m
Direct flights go from St. Louis to Riviera Maya every day.
There is 1 airport near Riviera Maya: 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
8,042 reviews
Search Spirit Airlines flights
VolarisPriceFrom $174Free CancellationRating
6.6
1,152 reviews
Search Volaris flights
FrontierPriceFrom $247Free CancellationRating
5.8
3,163 reviews
Search Frontier flights
AeromexicoPriceFrom $252Free CancellationRating
7.4
1,693 reviews
Search Aeromexico flights
DeltaPriceFrom $360Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $483Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $516Free CancellationRating
8.0
4,244 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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