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Uncover the best deals on Cancún to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest CUN - STL Flights
Useful information for finding best airline tickets from Cancún International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$318
Southwest Airlines
• 1 stop
• 15h 5m
Sep 28 – Oct 05
The cheapest round trip flight from Cancún to St Louis (CUN-STL-CUN) is currently $318
Cheapest Direct Flight
$1042
Southwest Airlines
• nonstop
• 5h 5m
Sep 28
The cheapest nonstop flight from Cancún to St Louis (CUN-STL) is currently $1042
Fastest Flight
5h 5m
The fastest nonstop flight from Cancún to St Louis (CUN-STL) takes 5h 5m
Top Airlines Flying from Cancún to St Louis
Latest Flight Deals from Cancún (CUN) to St Louis (STL)
Compare and book low fare round-trip air tickets from Cancún to St Louis. Ideal for travelers with confirmed return itineraries.
Sep 28 - Oct 05, Economy
Cancún → St Louis
15h 5m
1:05 PM - 10:10 PM • 1 stop
Cancún → St Louis
8h 40m
8:20 AM - 1:40 PM • 1 stop
Southwest Airlines
Sep 28 - Oct 05, Economy
Cancún → St Louis
7h 1m
8:05 AM - 7:58 PM • 1 stop
Cancún → St Louis
6h 44m
10:05 AM - 7:50 PM • 1 stop
Aeromexico
Sep 28 - Oct 05, Economy
Cancún → St Louis
38h 35m
9:05 PM - 2:00 PM • 1 stop
Cancún → St Louis
40h
12:10 PM - 12:10 PM • 1 stop
Air Canada
Sep 28 - Oct 05, Economy
Cancún → St Louis
23h 59m
7:51 AM - 10:30 PM • 1 stop
Cancún → St Louis
9h 7m
6:15 AM - 12:02 PM • 1 stop
United Airlines
Sep 28 - Oct 05, Economy
Cancún → St Louis
28h 35m
2:30 PM - 7:45 AM • 1 stop
Cancún → St Louis
5h 10m
10:05 AM - 1:15 PM • nonstop
Southwest Airlines
Flying to St Louis soon? We've surfaced some of the most affordable last-minute flights from Cancún to St Louis, ideal for urgent plans or spontaneous trips.
Sep 28 - Oct 05, Economy
Cancún → St Louis
15h 5m
1:05 PM - 10:10 PM • 1 stop
Cancún → St Louis
8h 40m
8:20 AM - 1:40 PM • 1 stop
Southwest Airlines
Sep 28 - Oct 05, Economy
Cancún → St Louis
7h 1m
8:05 AM - 7:58 PM • 1 stop
Cancún → St Louis
6h 44m
10:05 AM - 7:50 PM • 1 stop
Aeromexico
Sep 28 - Oct 05, Economy
Cancún → St Louis
38h 35m
9:05 PM - 2:00 PM • 1 stop
Cancún → St Louis
40h
12:10 PM - 12:10 PM • 1 stop
Air Canada
Sep 28 - Oct 05, Economy
Cancún → St Louis
23h 59m
7:51 AM - 10:30 PM • 1 stop
Cancún → St Louis
9h 7m
6:15 AM - 12:02 PM • 1 stop
United Airlines
Sep 28 - Oct 05, Economy
Cancún → St Louis
28h 35m
2:30 PM - 7:45 AM • 1 stop
Cancún → St Louis
5h 10m
10:05 AM - 1:15 PM • nonstop
Southwest Airlines
Looking for the fastest way to St Louis? These direct flight options from CUN to STL offer both convenience and value—no layovers, just straight to your destination.
FAQs on Cancún to St Louis Flights
What are the airports in Cancún?
CUN
What’s the most popular airline flying from CUN to STL?
The most popular airline flying from Cancún to St Louis are
Can I fly from CUN to STL non-stop?
Yes, you can fly CUN to STL non-stop on
Which airlines fly nonstop between Cancún and St Louis?
The non-stop flights between Cancún and St Louis are .
What’s the earliest departure time from CUN to STL Airport?
The earliest flight leaves CUN at 7:51 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Cancún to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from CUN to STL?
Read the fare rules of the Cancún to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Cancún and St Louis?
operate flights between Cancún and St Louis
How long does a flight from Cancún to St Louis take?
It takes approximately 3 hour to fly non-stop from CUN to STL, which is 1237.65 miles by air.
Which airlines provide the cheapest flights from Cancún (CUN) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from CUN were found on WN : USD 989
Do I need a passport to fly between CUN and STL?
Yes
What’s the latest departure time from CUN to STL ?
The last flight leaves CUN at 9:05 pm
Cancún (CUN) to St Louis (STL): Airport Information
| Origin Airport | Cancún International , Cancún, MX |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 1238 miles |
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