CUN - STL

$139 Find Cheap Flights from Cancun 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 5/23. 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
1 adult, Economy, 0 bags

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 Cancun 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 Cancun to St. Louis, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$310
Typical prices: $382-$325
Aeromexico
Thu 5/14Sun 5/17
CUN - STL • 1 stop
Cheapest non-stop
$418
Typical prices: $514-$470
Frontier
Wed 6/10Wed 6/17
CUN - STL • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest offers two free checked bags for families.
Use MetroLink for easy access from Lambert-St Louis.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Frontier and Southwest. Average duration is 3h 17m
Direct flights
Direct flights
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Direct flights
Direct flights
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When to travel
Cheapest • 100% price drop
Most popular
Good to know
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Good to know
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, May 14 - Sun, May 17
Aeromexico Logo
12:45 pm - 9:38 pm
CUN
-
STL
8h 53m
1 stop
Aeromexico Logo
9:15 am - 8:16 pm
STL
-
CUN
11h 01m
1 stop
$310Aeromexico
Wed, Jun 10 - Wed, Jun 17
Delta Logo
8:00 am - 10:18 pm
CUN
-
STL
14h 18m
1 stop
Delta Logo
9:21 am - 8:25 pm
STL
-
CUN
11h 04m
1 stop
$311Delta
Thu, May 14 - Sun, May 17
United Airlines Logo
2:10 pm - 8:43 pm
CUN
-
STL
30h 33m
1 stop
United Airlines Logo
7:45 am - 2:26 pm
STL
-
CUN
6h 41m
1 stop
$373United Airlines
Mon, Jun 8 - Mon, Jun 15
Aeromexico Logo
7:31 pm - 6:07 pm
CUN
-
STL
22h 36m
2 stops
Aeromexico Logo
10:51 am - 8:25 pm
STL
-
CUN
9h 34m
1 stop
$374Aeromexico
Tue, May 12 - Sun, Jul 12
United Airlines Logo
5:22 pm - 2:32 pm
CUN
-
STL
21h 10m
2 stops
United Airlines Logo
6:00 am - 2:26 pm
STL
-
CUN
8h 26m
1 stop
$383United Airlines
Thu, Jun 25 - Mon, Jun 29
Frontier Logo
11:02 am - 6:18 pm
CUN
-
STL
7h 16m
1 stop
Frontier Logo
6:30 am - 9:49 am
STL
-
CUN
3h 19mnonstop
$389Frontier
Wed, Jun 10 - Wed, Jun 17
Frontier Logo
11:02 am - 6:18 pm
CUN
-
STL
7h 16m
1 stop
Frontier Logo
6:30 am - 9:49 am
STL
-
CUN
3h 19mnonstop
$392Frontier
Mon, Jun 8 - Mon, Jun 15
Frontier Logo
11:13 am - 2:39 pm
CUN
-
STL
3h 26mnonstop
Frontier Logo
8:08 pm - 12:48 pm
STL
-
CUN
16h 40m
1 stop
$406Frontier
Mon, Jun 8 - Mon, Jun 15
Delta Logo
8:00 am - 6:07 pm
CUN
-
STL
10h 07m
1 stop
Delta Logo
9:21 am - 8:25 pm
STL
-
CUN
11h 04m
1 stop
$418Delta
Thu, Jun 25 - Mon, Jun 29
Frontier Logo
11:11 am - 2:37 pm
CUN
-
STL
3h 26mnonstop
Frontier Logo
6:30 am - 9:49 am
STL
-
CUN
3h 19mnonstop
$420Frontier
Booking Insights

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.

How much is a round-trip flight from Cancún to St. Louis?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Cancún to St. Louis departing in May.

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

What is the cheapest month to fly from Cancun to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Cancún to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Cancun to St. Louis is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $527 and $509 respectively.

Can I save money by flying with a layover from Cancun 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.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $373 on average.

Expert advice

Expert advice for your flight from Cancún to St. Louis

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

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.

Blane Bachelor

Blane Bachelor

Expert on Southwest

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.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

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.

Brandon Schultz

Brandon Schultz

Expert on CUN

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.

Good to know

Low seasonAugust
Cheapest flight$139
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 24% increase in price.
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 Cancun to St. Louis?

    In the last 3 days, the lowest price for a flight from Cancun to St. Louis was $139 for a one-way ticket and $310 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, and JetBlue 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 A321-100/200 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 Cancun to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $264 or less one-way and $397 or less round-trip.

Prefer to fly direct from Cancun to St. Louis?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Cancun to Lambert-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

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

Information on your arrival and departure airports