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Cheap flights from Cancún to St. Louis from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to St. Louis departing on 5/2. 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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Find the cheapest flights from Cancún to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Cancún to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
3:15 pm - 3:07 pmCUN-STL
23h 52m1 stop
6:10 am - 9:22 amSTL-CUN
3h 12mnonstop
$344Frontier
Find Deal
Wed, May 14 - Wed, May 21
11:46 am - 3:12 pmCUN-STL
3h 26mnonstop
6:00 am - 9:28 amSTL-CUN
3h 28mnonstop
$363Frontier
Find Deal
Tue, Apr 8 - Tue, Apr 15
12:39 pm - 4:02 pmCUN-STL
3h 23mnonstop
6:10 am - 9:22 amSTL-CUN
3h 12mnonstop
$370Volaris
Find Deal
Wed, May 14 - Wed, May 21
10:15 am - 9:06 amCUN-STL
22h 51m2 stops
4:57 pm - 11:25 amSTL-CUN
42h 28m2 stops
$378Frontier
Find Deal
Tue, Apr 8 - Tue, Apr 15
3:15 pm - 3:07 pmCUN-STL
23h 52m1 stop
6:53 pm - 2:21 pmSTL-CUN
19h 28m1 stop
$392Frontier
Find Deal
Wed, May 14 - Wed, May 21
11:46 am - 3:12 pmCUN-STL
3h 26mnonstop
6:11 pm - 8:15 amSTL-CUN
38h 04m2 stops
Tue, Apr 8 - Tue, Apr 15
7:51 am - 10:09 pmCUN-STL
14h 18m1 stop
6:30 am - 7:20 pmSTL-CUN
12h 50m2 stops
$407United Airlines
Find Deal
Tue, Apr 8 - Tue, Apr 15
9:08 am - 11:46 pmCUN-STL
14h 38m1 stop
6:00 am - 9:28 amSTL-CUN
3h 28mnonstop
Tue, Apr 8 - Tue, Apr 15
12:17 pm - 11:38 pmCUN-STL
11h 21m2 stops
10:10 am - 7:52 pmSTL-CUN
9h 42m1 stop
$595Delta
Find Deal
Wed, May 14 - Wed, May 21
5:22 pm - 12:19 pmCUN-STL
18h 57m2 stops
6:30 am - 7:20 pmSTL-CUN
12h 50m2 stops
$611United Airlines
Find Deal
Wed, May 14 - Wed, May 21

Frontier flights from Cancún to St. Louis

Our best Frontier deals on Cancún to St. Louis flight tickets
Frontier
May 14
CUN3:15 pmCancun
23h 52m
1 stop
STL3:07 pmLambert-St Louis
May 21
STL6:10 amLambert-St Louis
3h 12m
CUN9:22 amCancun
Frontier
Apr 8
CUN11:46 amCancun
3h 26m
STL3:12 pmLambert-St Louis
Apr 15
STL6:00 amLambert-St Louis
3h 28m
CUN9:28 amCancun
Frontier
Apr 8
CUN10:15 amCancun
22h 51m
2 stops
STL9:06 amLambert-St Louis
Apr 15
STL4:57 pmLambert-St Louis
42h 28m
2 stops
CUN11:25 amCancun

United Airlines flights from Cancún to St. Louis

Our best United Airlines deals on Cancún to St. Louis flight tickets
United Airlines
Apr 8
CUN7:51 amCancun
14h 18m
1 stop
STL10:09 pmLambert-St Louis
Apr 15
STL6:30 amLambert-St Louis
12h 50m
2 stops
CUN7:20 pmCancun
United Airlines
May 14
CUN5:22 pmCancun
18h 57m
2 stops
STL12:19 pmLambert-St Louis
May 21
STL6:30 amLambert-St Louis
12h 50m
2 stops
CUN7:20 pmCancun

See travel insights to St. Louis from

How to get the cheapest flight ticket from Cancún 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 Sunday when prices can be found for as low as $229. 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 Thursday because tickets tend to average around $269. 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 Cancún in the morning is the least expensive time of day to depart. momondo users have found prices as low as $196 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 $281 per ticket.

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

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

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

There are 3 cabin classes available to choose from on Cancun 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.

How have Cancún to St. Louis flight prices changed over time?

As of February 2025, prices for Cancún to St. Louis flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Cancún to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cancún to St. Louis (CUN to STL) flight deals and tips

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

Best Price Found

$136

Fastest flight time

3h 10m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Cancún in the past 72 hours is $136. The best round-trip flight deal from Cancún to St. Louis found on momondo in the last 72 hours is $344.
The fastest flight from Cancún to St. Louis takes 3h 10m
Direct flights go from Cancún to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Cancun to Lambert-St Louis by plane?

    There are 1222.8 mi between Cancun and Lambert-St Louis. In terms of flight time, this usually takes a little over 3h 23m.

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

    Prices for flights from Cancun Airport to Lambert-St Louis Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cancun Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Cancún 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
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
Litchfield
Grafton

Why use momondo?

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

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 Cancún to St. Louis for you.

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

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

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

momondo helps you find the best flight between Cancún and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Cancún to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.


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