CA $250 Cheap Flights from St. Louis (STL) to Cancun (CUN)

Popular airlines from Lambert-St. Louis International Airport (STL) to Cancun Intl. Airport (CUN)

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Cheap flights from St. Louis (STL) to Cancun (CUN)

Prices were available within the past 7 days and start at CA $250 for one-way flights and CA $538 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Delta
Delta
American Airlines
Delta
Aeromexico
Delta
Air Canada
Aeromexico
United

Find the cheapest month to fly from St. Louis (STL) to Cancun (CUN)

September is typically the cheapest month to fly

From CA $299 - CA $608 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Cancun (STL - CUN) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cancun Intl.
Roundtrip price
CA $538
Distance
1984 km
Average flight time
3 hours 12 mins

St. Louis to Cancun Flights

The easy way to book your flights from St. Louis to Cancun 

With Expedia, it’s simple to find and book flights to Cancun from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Cancun Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Cancun today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Cancun Intl., CUN 

Sort your search results by price to find great deals on your flight from St. Louis to Cancun—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Cancun from St. Louis currently is just CA $538 rising to CA $1,484.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Cancun  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Cancun from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Cancun with Expedia today.

Frequently asked questions

How much is a flight from STL to Cancun Intl. Airport (CUN)?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from STL to Cancun Intl. Airport (CUN) start from CA $538. Make your booking today to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to CUN?
Each air carrier has its own terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Lambert Field to Cancun Intl. Airport (CUN) that have flexible change policies?
Flights from Lambert Field to Cancun Intl. Airport (CUN) with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between flights, with no additional fees to worry about.
How many hours is the flight from Lambert Field to Cancun Airport?
You may like to bring your own on-board entertainment (like some downloaded podcasts), as it takes an average of 6 hours and 32 minutes to touch down in Cancun Intl. Airport (CUN) from Lambert Field. A set of noise-cancelling headphones will be handy too.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to CUN?
The flight distance between Lambert Field (STL) and Cancun Airport (CUN) is 2,000 kilometres. Work your way through your travel song playlist or make a start on the latest bestseller and the journey will zip by.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Cancun Airport?
A leading airline that services the route from STL to Cancun Intl. Airport (CUN) is Frontier Airlines (F9). It offers 30 flights a month. If you'd like more options, check out the ticket prices from Southwest Airlines (WN). This airline offers 30 flights a month between these airports.
Are STL to Cancun Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally score a bargain, with some super cheap airfares from STL to Cancun Intl. Airport (CUN) popping up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.

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