
Popular airlines from Lambert-St. Louis International Airport (STL) to Cancun Intl. Airport (CUN)
- Air Canada
Air Canada
- Aeromexico
Aeromexico
- Frontier Airlines
Frontier Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Plan, book, fly with confidence
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Cheap Flights from St. Louis (STL) to Cancun (CUN)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from St. Louis (STL) to Cancun (CUN)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Cancun Intl. |
Return price | AU$548 |
Distance | 1984 km |
Average flight time | 3 hours 11 mins |
Your quick guide to flights from St. Louis to Cancun
Pick up great flights from St. Louis to Cancun
With Expedia, you have your pick of 1 flights a day with 20 airlines covering flights from St. Louis to Cancun. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from St. Louis to Cancun that take around 3 hours.
Find cheap flights from St. Louis to Cancun
From the great flight deals with prices currently ranging from AU$549 to AU$844, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from St. Louis to Cancun around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Cancun is normally in October.
Reasons to book your flight from St. Louis to Cancun with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from St. Louis to Cancun across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Cancun right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
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Top Routes from St. Louis
- St. Louis to Los Angeles (STL - LAX)
- St. Louis to Boston (STL - BOS)
- St. Louis to Cairns (STL - CNS)
- St. Louis to Dallas (STL - DFW)
- St. Louis to Nashville (STL - BNA)
- St. Louis to Melbourne (STL - MEL)
- St. Louis to Brisbane (STL - BNE)
- St. Louis to San Francisco (STL - SFO)
- St. Louis to Sydney (STL - SYD)
- St. Louis to Las Vegas (STL - LAS)
Top Routes to Cancun
- Newark Liberty Intl. Airport to Cancun (EWR - CUN)
- Mexico City to Cancun (MEX - CUN)
- Los Angeles to Cancun (LAX - CUN)
- New York to Cancun (LGA - CUN)
- Adelaide to Cancun (ADL - CUN)
- New York to Cancun (JFK - CUN)
- Buenos Aires to Cancun (EZE - CUN)
- Houston to Cancun (IAH - CUN)
- Madrid to Cancun (MAD - CUN)
- Ontario to Cancun (ONT - CUN)
- Melbourne to Cancun (MEL - CUN)
- London to Cancun (LHR - CUN)
Top Flight Destinations
- Flights to Cancun
- Flights to Playa del Carmen
- Flights to Mexico City
- Flights to Puerto Vallarta
- Flights to Cabo San Lucas
- Flights to Mazatlán
- Flights to San José del Cabo
- Flights to Tulum
- Flights to Guadalajara
- Flights to Tijuana
- Flights to Puerto Morelos
- Flights to Nuevo Vallarta
- Flights to Monterrey
- Flights to Isla Mujeres
- Flights to Puerto Peñasco
- Flights to Mérida
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- Flights to Acapulco
- Flights to San Miguel de Allende
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