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Cheap flights from St. Louis to Quintana Roo from $126

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 Quintana Roo departing on 4/24. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from St. Louis to Quintana Roo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:06 pm - 2:39 pm
STL
-
CUN
18h 33m
1 stop
Frontier Logo
4:07 pm - 10:30 am
CUN
-
STL
18h 23m
1 stop
$318Frontier
Thu, Apr 16 - Wed, Apr 22
Frontier Logo
11:16 am - 2:56 pm
STL
-
CUN
27h 40m
1 stop
Frontier Logo
4:07 pm - 6:50 am
CUN
-
STL
14h 43m
1 stop
$322Frontier
Sun, Apr 19 - Sun, Apr 26
Frontier Logo
11:44 am - 2:56 pm
STL
-
CUN
27h 12m
1 stop
Frontier Logo
4:07 pm - 6:50 am
CUN
-
STL
14h 43m
1 stop
$323Frontier
Sun, Apr 26 - Fri, May 1
Frontier Logo
8:16 pm - 11:24 am
STL
-
CUN
15h 08m
1 stop
Frontier Logo
9:12 am - 11:25 pm
CUN
-
STL
14h 13m
1 stop
$325Frontier
Wed, Apr 8 - Mon, Apr 13
Frontier Logo
5:27 pm - 2:07 pm
STL
-
CUN
20h 40m
1 stop
Frontier Logo
3:22 pm - 5:33 pm
CUN
-
STL
26h 11m
1 stop
$329Frontier
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
8:17 pm - 12:04 pm
STL
-
CUN
15h 47m
1 stop
Multiple Airlines Logo
3:50 pm - 7:23 pm
CUN
-
STL
27h 33m
2 stops
$336Multiple Airlines
Mon, May 4 - Fri, May 8
American Airlines Logo
5:25 am - 2:11 pm
STL
-
CZM
9h 46m
1 stop
American Airlines Logo
3:11 pm - 9:37 pm
CZM
-
STL
5h 26m
1 stop
$513American Airlines
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
6:14 am - 2:42 pm
STL
-
CZM
9h 28m
1 stop
United Airlines Logo
3:52 pm - 8:41 am
CZM
-
STL
15h 49m
2 stops
$518United Airlines
Wed, Jun 24 - Wed, Jul 1
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
$528American Airlines
Wed, May 6 - Wed, May 13
United Airlines Logo
5:10 am - 2:42 pm
STL
-
CZM
10h 32m
2 stops
United Airlines Logo
3:52 pm - 8:41 am
CZM
-
STL
15h 49m
2 stops
$545United Airlines
Tue, Jun 23 - Tue, Jun 30

Frontier flights from St. Louis to Quintana Roo

Our best Frontier deals on St. Louis to Quintana Roo flight tickets
Frontier
Apr 16
STL8:06 pmLambert-St Louis
18h 33m
1 stop
CUN2:39 pmCancun
Apr 22
CUN4:07 pmCancun
18h 23m
1 stop
STL10:30 amLambert-St Louis
$318
Frontier
Apr 19
STL11:16 amLambert-St Louis
27h 40m
1 stop
CUN2:56 pmCancun
Apr 26
CUN4:07 pmCancun
14h 43m
1 stop
STL6:50 amLambert-St Louis
$322
Frontier
Apr 26
STL11:44 amLambert-St Louis
27h 12m
1 stop
CUN2:56 pmCancun
Apr 30
CUN4:07 pmCancun
14h 43m
1 stop
STL6:50 amLambert-St Louis
$323

Aeromexico flights from St. Louis to Quintana Roo

Our best Aeromexico deals on St. Louis to Quintana Roo flight tickets
Aeromexico
Apr 8
STL12:04 pmLambert-St Louis
8h 10m
1 stop
CUN8:14 pmCancun
Apr 15
CUN6:01 amCancun
11h 43m
2 stops
STL5:44 pmLambert-St Louis
$449
Aeromexico
Apr 6
STL7:03 amLambert-St Louis
6h 42m
1 stop
CZM12:45 pmCozumel
Apr 11
CZM2:00 pmCozumel
6h 06m
1 stop
STL9:06 pmLambert-St Louis
$651
Aeromexico
Apr 5
STL6:00 amLambert-St Louis
7h 45m
1 stop
CZM12:45 pmCozumel
Apr 9
CZM2:00 pmCozumel
6h 06m
1 stop
STL9:06 pmLambert-St Louis
$671

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Quintana Roo 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 March 25, 2026.
Use the filters below to find and compare flights from St. Louis to Quintana Roo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 4/16

8:06 pm-2:39 pm

1 stop18h 33m

Cancun

Wed 4/22

4:07 pm-10:30 am

1 stop18h 23m

$318

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/19

11:16 am-2:56 pm

1 stop27h 40m

Cancun

Sun 4/26

4:07 pm-6:50 am

1 stop14h 43m

$322

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/26

11:44 am-2:56 pm

1 stop27h 12m

Cancun

Fri 5/1

4:07 pm-6:50 am

1 stop14h 43m

$323

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 4/8

8:16 pm-11:24 am

1 stop15h 08m

Cancun

Mon 4/13

9:12 am-11:25 pm

1 stop14h 13m

$325

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 5/11

5:27 pm-2:07 pm

1 stop20h 40m

Cancun

Mon 5/18

3:22 pm-5:33 pm

1 stop26h 11m

$329

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 5/4

8:17 pm-12:04 pm

1 stop15h 47m

Cancun

Fri 5/8

3:50 pm-7:23 pm

2 stops27h 33m

$336

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 6/9

5:25 am-2:11 pm

1 stop9h 46m

Cozumel

Tue 6/16

3:11 pm-9:37 pm

1 stop5h 26m

$513

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Wed 6/24

6:14 am-2:42 pm

1 stop9h 28m

Cozumel

Wed 7/1

3:52 pm-8:41 am

2 stops15h 49m

$518
Quickest round-trip

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Wed 5/6

5:20 am-1:10 pm

1 stop8h 50m

Cozumel

Wed 5/13

3:24 pm-10:24 pm

1 stop6h 00m

$528

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Tue 6/23

5:10 am-2:42 pm

2 stops10h 32m

Cozumel

Tue 6/30

3:52 pm-8:41 am

2 stops15h 49m

$545

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 Quintana Roo from

How to get the cheapest flight ticket from St. Louis to Quintana Roo

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 Quintana Roo?

In general, September is the cheapest month to fly from St. Louis to Quintana Roo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $331. If you aren’t able to travel during the month of September, then book flights to Quintana Roo from St. Louis during October instead. Flights to Quintana Roo in October, while not as cheap as those in September, still average around $397.

What is the cheapest day to depart on your flight to Quintana Roo?

On average, the least expensive day to fly to Quintana Roo from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $387. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Quintana Roo is Saturday, with ticket prices averaging around $488.

What is the cheapest time of day to depart on your flight to Quintana Roo?

Our data shows that the cheapest St. Louis to Quintana Roo flights are usually those with departure times in the morning. Our users have found flights to Quintana Roo in the morning for as low as $433. In contrast, the most expensive time of day to depart to Quintana Roo is at noon when prices are around $590.

What is the cheapest Lambert-St Louis to Quintana Roo flight route?

Fly from Lambert-St Louis to Cancun for the best Lambert-St Louis - Quintana Roo flight prices

How far in advance should I book a flight to Quintana Roo?

You are more likely to see cheaper flights to Quintana Roo from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Quintana Roo for around $459 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Quintana Roo from St. Louis for as low as $367 on momondo.

What cabin class options are available on Lambert-St Louis to Quintana Roo flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Quintana Roo 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 Quintana Roo flights?

You could potentially save up to 35% on your flight if you consider stops on a St. Louis to Quintana Roo flight.

Cheap St. Louis to Quintana Roo flight deals and tips

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

Best Price Found

$202

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Quintana Roo

18 airports
The best one-way flight to Quintana Roo from St. Louis in the past 72 hours is $202. The best round-trip flight deal from St. Louis to Quintana Roo found on momondo in the last 72 hours is $430.
The fastest flight from St. Louis to Quintana Roo takes 3h 05m
Direct flights go from St. Louis to Quintana Roo every day.
There are 18 airports in Quintana Roo. 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 Quintana Roo?

    Prices for flights from Lambert-St Louis Airport to Quintana Roo were last updated today.

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

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

    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 Quintana Roo.

  • What documentation or ID do you need to fly to Quintana Roo?

    The travel and health documents required for your trip to Quintana Roo 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 Quintana Roo. 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 Quintana Roo?

Best airlines flying from St. Louis to Quintana Roo

Compare and see reviews for airlines that fly from St. Louis to Quintana Roo with momondo
Airline
Rating
Free Cancellation
Price
AeromexicoPriceFrom $168Free CancellationRating
7.4
1,559 reviews
Search Aeromexico flights
VolarisPriceFrom $180Free CancellationRating
6.6
1,172 reviews
Search Volaris flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,326 reviews
Search Delta flights
FrontierPriceFrom $213Free CancellationRating
5.7
3,017 reviews
Search Frontier flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
9,479 reviews
Search United Airlines flights
JetBluePriceFrom $404Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
American AirlinesPriceFrom $412Free CancellationRating
7.1
11,494 reviews
Search American Airlines flights
SouthwestPriceFrom $477Free CancellationRating
8.0
4,333 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Quintana Roo?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Quintana Roo. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for St. Louis to Quintana Roo flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Quintana Roo?

Once you have performed a search for St. Louis to Quintana Roo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Quintana Roo, momondo offers a useful price alert feature which will track prices for flights to Quintana Roo from St. Louis and alert you when they change.

An easier way to manage your Quintana Roo trip

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Find better results for your trip to Quintana Roo

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