CUN - STL

$137 Find Cheap Flights from Cancún to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cancún to St. Louis departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to St. Louis, as well as popular online travel agencies
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Flights Deals
Expert advice
Useful Info
Flights Deals

Cheap Flight Deals from Cancún to St. Louis (CUN-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Cancún to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Cancún to St. Louis

KAYAK's recommended round-trip deals from the most popular airlines that fly from Cancún to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
 Logo
10:00 am - 6:18 pmCUN-STL
8h 18m1 stop
 Logo
7:29 pm - 4:22 pmSTL-CUN
20h 53m1 stop
Mon, Jun 16 - Mon, Jun 23
Spirit Airlines Logo
10:00 am - 6:18 pmCUN-STL
8h 18m1 stop
Spirit Airlines Logo
7:13 pm - 11:26 amSTL-CUN
16h 13m2 stops
$461Spirit Airlines
Find Deal
Mon, Jun 16 - Mon, Jun 23
Spirit Airlines Logo
10:00 am - 6:18 pmCUN-STL
8h 18m1 stop
Spirit Airlines Logo
7:13 pm - 11:26 amSTL-CUN
16h 13m3 stops
$484Spirit Airlines
Find Deal
Mon, Jun 16 - Mon, Jun 23
 Logo
10:00 am - 6:18 pmCUN-STL
8h 18m1 stop
 Logo
6:45 am - 10:00 amSTL-CUN
3h 15mnonstop
Mon, Jun 16 - Mon, Jun 23
 Logo
8:58 am - 11:45 amCUN-STL
26h 47m3 stops
 Logo
7:13 pm - 11:26 amSTL-CUN
16h 13m2 stops
Mon, Jun 16 - Mon, Jun 23
 Logo
9:13 am - 11:45 amCUN-STL
26h 32m3 stops
 Logo
7:13 pm - 11:26 amSTL-CUN
16h 13m3 stops
Mon, Jun 16 - Mon, Jun 23
Frontier Logo
12:37 pm - 4:02 pmCUN-STL
3h 25mnonstop
Frontier Logo
6:45 am - 10:00 amSTL-CUN
3h 15mnonstop
$744Frontier
Find Deal
Mon, Jun 16 - Mon, Jun 23
Expert advice

Expert advice for your flight from Cancún to St. Louis

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Opt for the Economy Bundle for a carry-on bag and Standard seat choice.


Consider Premium Bundle for priority boarding and extra legroom seats.

Read more about Frontierby Stefanie Waldek
Southwest

Enjoy two free checked bags up to 50 pounds each, ideal for family travel.


Use Southwest Rapid Rewards for unlimited rewards seats and no blackout dates.

Read more about Southwestby Blane Bachelor
Airports
CUN

Security lines at CUN are short and quick. Head to the back of the room for shorter lines and choose any screening zone after ID check.

Read more about CUNby Brandon Schultz
STL

Use MetroLink for easy access to St. Louis from STL. The Red Line connects the airport to key city areas like Delmar Loop and downtown.

Read more about STLby Yulia Denisyuk
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Brandon Schultz

Brandon Schultz

Expert on CUN

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Useful Info

KAYAK's insights & trends for Cancún to St. Louis flights

Get data-powered insights and trends into flights from Cancún to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Cancun to St. Louis?

The average price of all round-trip flights from Cancún to St. Louis clicked on KAYAK for each day over the last 12 months.

For Cancun to St. Louis, Monday is the cheapest day to fly on average and Saturday is the most expensive. Flying from St. Louis back to Cancun, the best deals are generally found on Sunday, with Saturday being the most expensive.

Can I save money by flying with a layover from Cancún to St. Louis?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $380, prices are generally cheapest when you fly direct.

Good to know

Low seasonJune
High seasonDecember
Cheapest flight$137
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Cancun to St. Louis

When to book flights from Cancún to St. Louis

Are your dates flexible? Find out the best times to travel from Cancún to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Cancun to St. Louis

  • What is the cheapest flight from Cancún to St. Louis?

    In the last 3 days, the lowest price for a flight from Cancún to St. Louis was $137 for a one-way ticket and $454 for a round-trip.

  • Do I need a passport to fly between Cancun and St. Louis?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Cancun and on arrival in St. Louis.

  • Which airports will I be using when flying from Cancun to St. Louis?

    Cancun airport is called Cancun and the only airport in St. Louis is Lambert-St Louis.

  • Which airlines offer Wi-Fi service onboard planes from Cancun to St. Louis?

    American Airlines, Delta, JetBlue, and Aeromexico offer inflight Wi-Fi service on the Cancun to St. Louis flight route.

  • Which aircraft models fly most regularly from Cancun to St. Louis?

    The Airbus A321neo is the aircraft model that flies most regularly on the Cancun to St. Louis flight route.

  • On which days can I fly direct from Cancun to St. Louis?

    There are nonstop flights from Cancun to St. Louis on a daily basis.

  • How does KAYAK find such low prices on flights from Cancun to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cancun to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cancun to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Cancun is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Cancun to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Cancun with another airline. Booking your flights between Cancun and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cancun to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Cancun up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Cancún to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $208 or less one-way and $208 or less round-trip.

Prefer to fly direct from Cancun to St. Louis?

Find which airlines fly direct from Cancun Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Cancun to Lambert-St Louis

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest

Frontier, Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights

Direct returns

Lambert-St Louis to Cancun

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest

Frontier, Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights
See more direct flights

Everything you need to know for your flight from Cancún to St. Louis

Information on your arrival and departure airports

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