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Uncover the best deals on St Louis to Cancún flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - CUN Flights
Useful information for finding best airline tickets from Lambert St Louis International to Cancún International on your next trip.
Cheapest Round Trip Flight
$414
American Airlines
• 1 stop
• 13h 27m
Aug 15 – Aug 19
The cheapest round trip flight from St Louis to Cancún (STL-CUN-STL) is currently $414
Cheapest Direct Flight
$417
Southwest Airlines
• nonstop
• 5h 5m
Aug 16
The cheapest nonstop flight from St Louis to Cancún (STL-CUN) is currently $417
Fastest Flight
5h 5m
The fastest nonstop flight from St Louis to Cancún (STL-CUN) takes 5h 5m
Top Airlines Flying from St Louis to Cancún
Latest Flight Deals from St Louis (STL) to Cancún (CUN)
Compare and book low fare round-trip air tickets from St Louis to Cancún. Ideal for travelers with confirmed return itineraries.
Aug 15 - Aug 19, Economy
St Louis → Cancún
13h 27m
5:00 AM - 1:07 PM • 1 stop
St Louis → Cancún
10h 31m
1:55 PM - 8:26 PM • 1 stop
American Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
9h
8:30 AM - 2:10 PM • 1 stop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Southwest Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
14h 5m
6:05 AM - 2:50 PM • 1 stop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Southwest Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
5h 5m
10:55 AM - 2:00 PM • nonstop
St Louis → Cancún
15h 5m
1:00 PM - 10:05 PM • 2 stops
Southwest Airlines
Aug 15 - Aug 19, Economy
St Louis → Cancún
12h 2m
7:00 AM - 2:22 PM • 1 stop
St Louis → Cancún
15h 20m
2:06 PM - 11:26 PM • 1 stop
Delta Airlines
Flying to Cancún soon? We've surfaced some of the most affordable last-minute flights from St Louis to Cancún, ideal for urgent plans or spontaneous trips.
Aug 15 - Aug 19, Economy
St Louis → Cancún
13h 27m
5:00 AM - 1:07 PM • 1 stop
St Louis → Cancún
10h 31m
1:55 PM - 8:26 PM • 1 stop
American Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
9h
8:30 AM - 2:10 PM • 1 stop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Southwest Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
14h 5m
6:05 AM - 2:50 PM • 1 stop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Southwest Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
5h 5m
10:55 AM - 2:00 PM • nonstop
St Louis → Cancún
15h 5m
1:00 PM - 10:05 PM • 2 stops
Southwest Airlines
Aug 15 - Aug 19, Economy
St Louis → Cancún
12h 2m
7:00 AM - 2:22 PM • 1 stop
St Louis → Cancún
15h 20m
2:06 PM - 11:26 PM • 1 stop
Delta Airlines
Looking for the fastest way to Cancún? These direct flight options from STL to CUN offer both convenience and value—no layovers, just straight to your destination.
Aug 16 - Aug 20, Economy
St Louis → Cancún
5h 5m
10:55 AM - 2:00 PM • nonstop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Southwest Airlines
Feb 10 - Feb 15, Economy
St Louis → Cancún
5h 15m
11:10 AM - 3:25 PM • nonstop
St Louis → Cancún
5h 20m
12:55 PM - 3:15 PM • nonstop
Southwest Airlines
Feb 10 - Feb 15, Economy
St Louis → Cancún
5h 15m
8:50 AM - 1:05 PM • nonstop
St Louis → Cancún
5h 20m
12:55 PM - 3:15 PM • nonstop
Southwest Airlines
Aug 16 - Aug 20, Economy
St Louis → Cancún
5h 16m
6:34 AM - 9:50 AM • nonstop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Frontier Airlines
Aug 17 - Aug 24, Economy
St Louis → Cancún
5h 16m
6:34 AM - 9:50 AM • nonstop
St Louis → Cancún
5h 5m
1:10 PM - 4:15 PM • nonstop
Frontier Airlines
FAQs on St Louis to Cancún Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to CUN?
The most popular airline flying from St Louis to Cancún are
Can I fly from STL to CUN non-stop?
Yes, you can fly STL to CUN non-stop on
Which airlines fly nonstop between St Louis and Cancún?
The non-stop flights between St Louis and Cancún are .
What’s the earliest departure time from STL to CUN Airport?
The earliest flight leaves STL at 5:00 am and lands in CUN - Cancún International
What are the airports in Cancún?
CUN
Can I make changes to my St Louis to Cancún 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 STL to CUN?
Read the fare rules of the St Louis to Cancún 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 St Louis and Cancún?
operate flights between St Louis and Cancún
How long does a flight from St Louis to Cancún take?
It takes approximately 3 hour to fly non-stop from STL to CUN, which is 1237.65 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Cancún (CUN) ?
In the past couple of days, the cheapest tickets to CUN from STL were found on DL : USD 891
Do I need a passport to fly between STL and CUN?
Yes
What’s the latest departure time from STL to CUN ?
The last flight leaves STL at 11:10 am
St Louis (STL) to Cancún (CUN): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Cancún International , Cancún, MX |
| Distance | 1238 miles |
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