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Cheap flights from Quintana Roo to St. Louis from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quintana Roo to St. Louis departing on 2/21. 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 Quintana Roo to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:00 am - 11:59 pm
CUN
-
STL
15h 59m1 stop
Frontier Logo
8:17 pm - 8:51 am
STL
-
CUN
11h 34m1 stop
$230Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
9:00 am - 11:59 pm
CUN
-
STL
15h 59m1 stop
Frontier Logo
8:17 pm - 8:51 am
STL
-
CUN
11h 34m1 stop
$231Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
1:26 pm - 6:51 am
CUN
-
STL
18h 25m2 stops
Frontier Logo
8:17 pm - 8:51 am
STL
-
CUN
11h 34m1 stop
$245Frontier
Tue, Feb 10 - Sat, Feb 28
United Airlines Logo
4:51 pm - 10:14 pm
CUN
-
STL
6h 23m1 stop
United Airlines Logo
6:00 am - 1:34 pm
STL
-
CUN
6h 34m1 stop
$267United Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
1:43 pm - 11:25 pm
CUN
-
STL
10h 42m2 stops
Delta Logo
11:55 am - 9:11 pm
STL
-
CUN
8h 16m1 stop
$268Delta
Wed, Feb 4 - Wed, Feb 18
United Airlines Logo
4:45 pm - 10:59 pm
CUN
-
STL
7h 14m1 stop
United Airlines Logo
6:00 am - 12:54 pm
STL
-
CUN
5h 54m1 stop
$269United Airlines
Thu, Feb 19 - Mon, Feb 23
Frontier Logo
1:26 pm - 6:51 am
CUN
-
STL
18h 25m2 stops
Frontier Logo
2:51 pm - 10:38 am
STL
-
CUN
18h 47m2 stops
$276Frontier
Tue, Feb 10 - Sat, Feb 28
American Airlines Logo
5:21 pm - 9:08 am
CUN
-
STL
16h 47m1 stop
American Airlines Logo
6:20 pm - 10:45 am
STL
-
CUN
15h 25m1 stop
$277American Airlines
Tue, Feb 10 - Sat, Feb 28
Frontier Logo
9:00 am - 11:59 pm
CUN
-
STL
15h 59m1 stop
Frontier Logo
6:00 am - 10:30 am
STL
-
CUN
3h 30mnonstop
$282Frontier
Sat, Feb 21 - Sat, Feb 28
Aeromexico Logo
3:05 pm - 11:37 pm
CZM
-
STL
8h 32m1 stop
Aeromexico Logo
6:00 am - 1:55 pm
STL
-
CZM
7h 55m1 stop
$513Aeromexico
Wed, Feb 4 - Wed, Feb 18

American Airlines flights from Quintana Roo to St. Louis

Our best American Airlines deals on Quintana Roo to St. Louis flight tickets
American Airlines
Feb 10
CUN5:21 pmCancun
16h 47m
1 stop
STL9:08 amLambert-St Louis
Feb 28
STL6:20 pmLambert-St Louis
15h 25m
1 stop
CUN10:45 amCancun
$277
American Airlines
Feb 10
CUN8:45 amCancun
15h 14m
1 stop
STL10:59 pmLambert-St Louis
Feb 28
STL7:11 amLambert-St Louis
3h 21m
CUN11:32 amCancun
$319
American Airlines
Feb 4
CUN1:06 pmCancun
10h 53m
1 stop
STL10:59 pmLambert-St Louis
Feb 28
STL6:36 pmLambert-St Louis
16h 13m
1 stop
CUN11:49 amCancun
$333

Southwest flights from Quintana Roo to St. Louis

Our best Southwest deals on Quintana Roo to St. Louis flight tickets
Southwest
Feb 4
CUN3:00 pmCancun
3h 15m
STL5:15 pmLambert-St Louis
Feb 28
STL12:45 pmLambert-St Louis
3h 10m
CUN4:55 pmCancun
$483
Southwest
Feb 10
CUN3:00 pmCancun
3h 15m
STL5:15 pmLambert-St Louis
Feb 28
STL12:45 pmLambert-St Louis
3h 10m
CUN4:55 pmCancun
$501
Southwest
Feb 4
CUN12:10 pmCancun
9h 25m
2 stops
STL8:35 pmLambert-St Louis
Feb 28
STL6:10 amLambert-St Louis
9h 15m
1 stop
CUN4:25 pmCancun
$520

momondo Fare Finder

 
Customize your flight search to find flights from Quintana Roo 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, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Quintana Roo to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sat 2/21

9:00 am-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 2/28

8:17 pm-8:51 am

1 stop11h 34m

$230

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sat 2/21

9:00 am-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 2/28

8:17 pm-8:51 am

1 stop11h 34m

$231

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Tue 2/10

1:26 pm-6:51 am

2 stops18h 25m

Lambert-St Louis

Sat 2/28

8:17 pm-8:51 am

1 stop11h 34m

$245

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 2/19

4:51 pm-10:14 pm

1 stop6h 23m

Lambert-St Louis

Mon 2/23

6:00 am-1:34 pm

1 stop6h 34m

$267

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Wed 2/4

1:43 pm-11:25 pm

2 stops10h 42m

Lambert-St Louis

Wed 2/18

11:55 am-9:11 pm

1 stop8h 16m

$268

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Thu 2/19

4:45 pm-10:59 pm

1 stop7h 14m

Lambert-St Louis

Mon 2/23

6:00 am-12:54 pm

1 stop5h 54m

$269

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Tue 2/10

1:26 pm-6:51 am

2 stops18h 25m

Lambert-St Louis

Sat 2/28

2:51 pm-10:38 am

2 stops18h 47m

$276

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Tue 2/10

5:21 pm-9:08 am

1 stop16h 47m

Lambert-St Louis

Sat 2/28

6:20 pm-10:45 am

1 stop15h 25m

$277

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

Sat 2/21

9:00 am-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 2/28

6:00 am-10:30 am

Nonstop3h 30m

$282

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

Wed 2/4

3:05 pm-11:37 pm

1 stop8h 32m

Lambert-St Louis

Wed 2/18

6:00 am-1:55 pm

1 stop7h 55m

$513

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 St. Louis from

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

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $176. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $229. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Quintana Roo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $187 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $372 per ticket.

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

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

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

There are 2 cabin classes available to choose from on Quintana Roo to Lambert-St Louis 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 Quintana Roo to St. Louis flights?

You could potentially save up to 3% on your flight if you consider stops on a Quintana Roo to St. Louis flight.

Cheap Quintana Roo to St. Louis flight deals and tips

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

Fastest flight time

3h 20m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from Quintana Roo to St. Louis takes 3h 20m
Direct flights go from Quintana Roo to St. Louis every day.
There is 1 airport in St. Louis. From Quintana Roo there are direct flights to Lambert-St Louis (STL).
Search flight deals

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

    Prices for flights from Quintana Roo to Lambert-St Louis Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Quintana Roo to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. 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 Quintana Roo to St. Louis?

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
O'Fallon
Maryland Heights
Florissant
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Festus
Edwardsville
Glencoe
Litchfield
Shrewsbury

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to St. Louis from Quintana Roo with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Quintana Roo.

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

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

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