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Cheap flights from St. Louis to Cancún from $100

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 Cancún departing on 1/25. 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 St. Louis to Cancún

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Cancún that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Cancún.

Cheap last minute flights

Planning a quick getaway from St. Louis to Cancún? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Cancún, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Cancún

Find recent round-trip train or bus tickets from St. Louis to Cancún.

All round-trip flight deals to Cancún

The cheapest plane tickets to Cancún found on KAYAK recently.
4:28 pm - 12:05 pmSTL-CUN
18h 37m1 stop
1:10 pm - 2:43 pmCUN-STL
26h 33m1 stop
$270Spirit Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
7:27 pm - 11:27 amSTL-CUN
16h 00m1 stop
12:28 pm - 6:27 pmCUN-STL
5h 59m1 stop
$281Spirit Airlines
Find Deal
Sat, May 17 - Tue, May 20
7:27 pm - 11:27 amSTL-CUN
16h 00m1 stop
12:28 pm - 6:27 pmCUN-STL
5h 59m1 stop
$302Spirit Airlines
Find Deal
Sat, May 10 - Thu, May 15
6:25 am - 10:50 amSTL-CUN
3h 25mnonstop
12:34 pm - 2:57 pmCUN-STL
3h 23mnonstop
$314Frontier
Find Deal
Sat, Jan 25 - Sat, Feb 1
5:20 pm - 11:57 amSTL-CUN
17h 37m1 stop
3:57 pm - 9:16 amCUN-STL
18h 19m1 stop
$332Frontier
Find Deal
Sat, Mar 1 - Fri, Mar 7
6:00 am - 6:35 pmSTL-CUN
11h 35m2 stops
11:19 am - 11:37 pmCUN-STL
13h 18m2 stops
$387Delta
Find Deal
Mon, Feb 24 - Thu, Feb 27
6:30 am - 2:10 pmSTL-CUN
6h 40m1 stop
5:30 am - 8:54 pmCUN-STL
15h 24m1 stop
$429United Airlines
Find Deal
Mon, Jan 13 - Wed, Mar 12
6:30 am - 2:10 pmSTL-CUN
6h 40m1 stop
5:30 am - 2:23 pmCUN-STL
8h 53m2 stops
$433United Airlines
Find Deal
Mon, Jan 13 - Wed, Mar 12
6:00 am - 5:15 pmSTL-CUN
10h 15m1 stop
7:59 am - 8:01 pmCUN-STL
13h 02m2 stops
$476Delta
Find Deal
Sun, Mar 2 - Fri, Mar 7
12:45 pm - 5:00 pmSTL-CUN
3h 15mnonstop
2:30 pm - 4:50 pmCUN-STL
3h 20mnonstop
$492Southwest
Find Deal
Sun, Mar 2 - Fri, Mar 7
7:09 pm - 1:20 pmSTL-CUN
17h 11m1 stop
$100Frontier
Find Deal
Sat, Jan 25
6:54 pm - 2:34 pmSTL-CUN
18h 40m1 stop
$105Frontier
Find Deal
Sat, Mar 1
6:59 pm - 1:28 pmSTL-CUN
18h 29m1 stop
$114Frontier
Find Deal
Mon, Mar 31
7:15 am - 4:30 pmSTL-CUN
8h 15m1 stop
$176Delta
Find Deal
Wed, Feb 26
6:30 am - 1:59 pmSTL-CUN
6h 29m1 stop
$204Delta
Find Deal
Mon, Jan 20
10:03 am - 7:18 pmSTL-CUN
9h 15m2 stops
$218United Airlines
Find Deal
Tue, Mar 18
5:30 pm - 12:54 pmSTL-CUN
18h 24m2 stops
$221United Airlines
Find Deal
Sat, Feb 8
12:15 pm - 3:30 pmSTL-CUN
3h 15mnonstop
$243Southwest
Find Deal
Sun, Mar 9
5:20 am - 2:50 pmSTL-CUN
9h 30m2 stops
$248Southwest
Find Deal
Wed, Apr 16
7:25 am - 11:40 amSTL-CUN
3h 15mnonstop
$263American Airlines
Find Deal
Sat, Jan 18
6:00 am - 10:26 amSTL-CUN
3h 26mnonstop
11:54 am - 2:08 pmCUN-STL
3h 14mnonstop
$514Frontier
Find Deal
Thu, Dec 19 - Thu, Dec 26
6:00 am - 10:26 amSTL-CUN
3h 26mnonstop
3:00 pm - 3:06 pmCUN-STL
25h 06m1 stop
Thu, Dec 19 - Thu, Dec 26
6:00 am - 10:26 amSTL-CUN
3h 26mnonstop
10:25 am - 3:21 pmCUN-STL
5h 56m1 stop
Thu, Dec 19 - Tue, Dec 24
6:00 am - 10:26 amSTL-CUN
3h 26mnonstop
11:54 am - 2:08 pmCUN-STL
3h 14mnonstop
$599Frontier
Find Deal
Thu, Dec 19 - Tue, Dec 24
4:27 pm - 12:18 pmSTL-CUN
18h 51m1 stop
10:25 am - 3:21 pmCUN-STL
5h 56m1 stop
$617Spirit Airlines
Find Deal
Thu, Dec 19 - Tue, Dec 24
7:15 am - 2:05 pmSTL-CUN
5h 50m1 stop
6:10 am - 4:12 pmCUN-STL
11h 02m2 stops
$785Delta
Find Deal
Thu, Dec 19 - Tue, Dec 24
5:30 pm - 12:54 pmSTL-CUN
18h 24m2 stops
5:55 pm - 12:26 pmCUN-STL
19h 31m2 stops
$837United Airlines
Find Deal
Sat, Dec 21 - Wed, Dec 25
1:44 pm - 3:43 pmSTL-CUN
24h 59m1 stop
6:30 am - 8:23 pmCUN-STL
14h 53m2 stops
$839United Airlines
Find Deal
Sat, Dec 21 - Wed, Dec 25
7:20 am - 11:40 amSTL-CUN
3h 20mnonstop
12:40 pm - 3:15 pmCUN-STL
3h 35mnonstop
$958American Airlines
Find Deal
Sat, Dec 21 - Sat, Dec 28
11:45 am - 9:00 pmSTL-CUN
8h 15m2 stops
1:45 pm - 11:10 pmCUN-STL
10h 25m2 stops
$1,029Southwest
Find Deal
Thu, Dec 19 - Thu, Dec 26
6:25 am - 10:50 amSTL-CUN
3h 25mnonstop
12:34 pm - 2:57 pmCUN-STL
3h 23mnonstop
$314Frontier
Find Deal
Sat, Jan 25 - Sat, Feb 1
6:25 am - 10:50 amSTL-CUN
3h 25mnonstop
12:34 pm - 2:57 pmCUN-STL
3h 23mnonstop
$315Frontier
Find Deal
Sat, Jan 25 - Sat, Feb 1
6:25 am - 10:50 amSTL-CUN
3h 25mnonstop
12:34 pm - 2:57 pmCUN-STL
3h 23mnonstop
$345Frontier
Find Deal
Mon, Jan 20 - Sat, Jan 25
6:25 am - 10:50 amSTL-CUN
3h 25mnonstop
1:04 pm - 3:34 pmCUN-STL
3h 30mnonstop
$349Frontier
Find Deal
Sat, Feb 8 - Wed, Feb 12
12:45 pm - 5:00 pmSTL-CUN
3h 15mnonstop
2:30 pm - 4:50 pmCUN-STL
3h 20mnonstop
$492Southwest
Find Deal
Sun, Mar 2 - Fri, Mar 7
12:45 pm - 5:00 pmSTL-CUN
3h 15mnonstop
5:45 pm - 8:05 pmCUN-STL
3h 20mnonstop
$536Southwest
Find Deal
Mon, Feb 17 - Sat, Feb 22
6:05 am - 10:20 amSTL-CUN
3h 15mnonstop
9:00 am - 12:15 pmCUN-STL
3h 15mnonstop
$613Southwest
Find Deal
Sat, Mar 8 - Sat, Mar 15
7:35 am - 11:40 amSTL-CUN
3h 05mnonstop
11:40 am - 3:05 pmCUN-STL
3h 25mnonstop
$690American Airlines
Find Deal
Sat, Mar 8 - Sat, Mar 15
7:20 am - 11:40 amSTL-CUN
3h 20mnonstop
12:40 pm - 3:15 pmCUN-STL
3h 35mnonstop
$1,138American Airlines
Find Deal
Sat, Dec 28 - Sat, Jan 4
7:20 am - 11:40 amSTL-CUN
3h 20mnonstop
12:40 pm - 3:15 pmCUN-STL
3h 35mnonstop
$1,351American Airlines
Find Deal
Sat, Dec 28 - Sat, Jan 4

Spirit Airlines flights from St. Louis to Cancún

Our best Spirit Airlines deals on St. Louis to Cancún flight tickets
Spirit Airlines
Jan 30
STL4:28 pmLambert-St Louis
18h 37m
1 stop
CUN12:05 pmCancun
Feb 3
CUN1:10 pmCancun
26h 33m
1 stop
STL2:43 pmLambert-St Louis
Spirit Airlines
May 17
STL7:27 pmLambert-St Louis
16h 00m
1 stop
CUN11:27 amCancun
May 20
CUN12:28 pmCancun
5h 59m
1 stop
STL6:27 pmLambert-St Louis
Spirit Airlines
May 10
STL7:27 pmLambert-St Louis
16h 00m
1 stop
CUN11:27 amCancun
May 15
CUN12:28 pmCancun
5h 59m
1 stop
STL6:27 pmLambert-St Louis

Frontier flights from St. Louis to Cancún

Our best Frontier deals on St. Louis to Cancún flight tickets
Frontier
Jan 25
STL6:25 amLambert-St Louis
3h 25m
CUN10:50 amCancun
Feb 1
CUN12:34 pmCancun
3h 23m
STL2:57 pmLambert-St Louis
Frontier
Mar 1
STL5:20 pmLambert-St Louis
17h 37m
1 stop
CUN11:57 amCancun
Mar 7
CUN3:57 pmCancun
18h 19m
1 stop
STL9:16 amLambert-St Louis
Frontier
Jan 25
STL7:09 pmLambert-St Louis
17h 11m
1 stop
CUN1:20 pmCancun
Feb 1
CUN12:34 pmCancun
3h 23m
STL2:57 pmLambert-St Louis

See travel insights to Cancún from

How to get the cheapest flight ticket from St. Louis to Cancún

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 typical price of a round-trip flight between St. Louis and Cancún?

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in January, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $478.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from St. Louis to Cancún is on a Sunday when prices can be found for as low as $490. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $530. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

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

Our most recent data shows that the best time of day to fly to Cancún is at noon. Flights from St. Louis to Cancún during this time can be as low as $301. Flights to Cancún are more costly in the morning, with an average ticket price of $511. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from St. Louis when booking 49 days ahead of your departure date. In general, you can expect to find flights to Cancún for around $512 when searching 49 days out. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $379.

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

There are 2 cabin classes available to choose from on Lambert-St Louis to Cancun 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 Cancún flights?

You could potentially save up to 30% on your flight if you consider stops on a St. Louis to Cancún flight.

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

As of December 2024, prices for St. Louis to Cancún flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Cancún

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

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

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

Best Price Found

$100

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Cancún

1 airport
The best one-way flight to Cancún from St. Louis in the past 72 hours is $100. The best round-trip flight deal from St. Louis to Cancún found on momondo in the last 72 hours is $270.
The fastest flight from St. Louis to Cancún takes 3h 05m
Direct flights go from St. Louis to Cancún every day.
There is 1 airport near Cancún: Cancun (CUN)

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

    Cancun is 1222.8 mi away from Lambert-St Louis. Typically, this will take 3h 15m by plane in normal conditions.

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

    Prices for flights from Lambert-St Louis Airport to Cancun Airport are refreshed on a daily basis.

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

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

    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 Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The travel and health documents required for your trip to Cancun 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 Cancun 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 St. Louis to Cancún?

  • What is the most popular airline from St. Louis to Cancún?


Best airlines flying from St. Louis to Cancún

Compare and see reviews for airlines that fly from St. Louis to Cancún with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,119 reviews
Search Spirit Airlines flights
VolarisPriceFrom $225Free CancellationRating
6.7
1,267 reviews
Search Volaris flights
FrontierPriceFrom $287Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
AeromexicoPriceFrom $382Free CancellationRating
7.5
1,930 reviews
Search Aeromexico flights
DeltaPriceFrom $415Free CancellationRating
8.0
8,604 reviews
Search Delta flights
American AirlinesPriceFrom $419Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $442Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
SouthwestPriceFrom $473Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Cancún

    Across 6 Southwest flights from St. Louis to Cancún this week, the average price was $677, with the best Southwest deals starting from $473 round-trip. 4,848 users have rated Southwest on momondo, with an average score of 8.1/10.

  • Frontier Flights From St. Louis to Cancún

    The best Frontier deal for St. Louis to Cancún flight tickets found on momondo in the last 72 hours was $287, round-trip. It should be noted that an average Frontier flight deal for this route in this time was higher, at $492 round-trip. Frontier operates 4 flights out of St. Louis into Cancún in an average week, so prices vary by time and availability. 3,479 Frontier reviews by users on momondo have scored the airline at 6.1/10.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cancún from St. Louis.

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

All flight searches from St. Louis to Cancún on momondo can be filtered to show those which offer flexible booking policies.

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

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 Cancún from St. Louis.

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

Price alerts on flights to Cancún from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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