$102 Cheap Flights from St. Louis (STL) to Cancun (CUN)

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Cheap Flights from St. Louis to Cancun (STL-CUN)

Prices were available within the past 7 days and start at $102 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 4 - Wed, May 22
STL
St. Louis
CUN
Cancun
$240 Roundtrip, found 1 hour ago
$240
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 4 from St. Louis to Cancun, returning Wed, May 22, priced at $240 found 1 hour ago
Frontier Airlines
Sat, Apr 27 - Thu, May 2
STL
St. Louis
CUN
Cancun
$242 Roundtrip, found 5 hours ago
$242
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Apr 27 from St. Louis to Cancun, returning Thu, May 2, priced at $242 found 5 hours ago
Spirit Airlines
Sun, May 12 - Thu, May 16
STL
St. Louis
CUN
Cancun
$246 Roundtrip, found 7 hours ago
$246
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sun, May 12 from St. Louis to Cancun, returning Thu, May 16, priced at $246 found 7 hours ago
Spirit Airlines
Sun, Apr 28 - Wed, May 8
STL
St. Louis
CUN
Cancun
$247 Roundtrip, found 2 hours ago
$247
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sun, Apr 28 from St. Louis to Cancun, returning Wed, May 8, priced at $247 found 2 hours ago
Spirit Airlines
Sun, May 19 - Thu, May 23
STL
St. Louis
CUN
Cancun
$248 Roundtrip, found 8 hours ago
$248
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Sun, May 19 from St. Louis to Cancun, returning Thu, May 23, priced at $248 found 8 hours ago
Funjet Vacations
Wed, Apr 24 - Tue, Apr 30
STL
St. Louis
CUN
Cancun
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select Funjet Vacations flight, departing Wed, Apr 24 from St. Louis to Cancun, returning Tue, Apr 30, priced at $249 found 1 hour ago
Spirit Airlines
Sun, May 12 - Thu, May 16
STL
St. Louis
CUN
Cancun
$257 Roundtrip, found 7 hours ago
$257
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sun, May 12 from St. Louis to Cancun, returning Thu, May 16, priced at $257 found 7 hours ago
Spirit Airlines
Tue, May 14 - Tue, May 21
STL
St. Louis
CUN
Cancun
$260 Roundtrip, found 7 hours ago
$260
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Tue, May 14 from St. Louis to Cancun, returning Tue, May 21, priced at $260 found 7 hours ago
Frontier Airlines
Wed, May 15 - Tue, May 21
STL
St. Louis
CUN
Cancun
$262 Roundtrip, found 8 hours ago
$262
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, May 15 from St. Louis to Cancun, returning Tue, May 21, priced at $262 found 8 hours ago
Frontier Airlines
Sat, May 18 - Wed, May 22
STL
St. Louis
CUN
Cancun
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 18 from St. Louis to Cancun, returning Wed, May 22, priced at $263 found 1 hour ago
Flights from St. Louis (STL) to Cancun (CUN)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, Funjet Vacations, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$240
Distance
1240 mi
Average flight time
3 hours 13 mins

St. Louis to Cancun Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Cancun offer the perfect respite. Not only does exploring Cancun provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Cancun may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from STL to CUN today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Cancun are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Cancun more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Cancun is $102 now!

Frequently asked questions

How much is a one-way flight from Lambert-St. Louis Intl. Airport (STL) to Cancun Airport?
You can get one-way St. Louis flights to Cancun starting from $102. This information is based on the best fare found on Expedia for this journey departing across the next three months and was last updated on April 19 2024 and has not changed since. This specific fare is for an Spirit Airlines service, departing from Lambert-St. Louis Intl. Airport (STL) on May 21 2024 and touching down at CUN.
How long does it take to fly from St. Louis Lambert International Airport to CUN?
Purchase a ticket with Frontier Airlines and you can expect to be cruising the skies for about 3 hours and 10 minutes. This sought-after carrier has a direct flight that sets off at 6:21AM from Lambert-St. Louis Intl. Airport (STL) and lands at Cancun Airport at 9:31AM. Expedia has some epic flight deals, so take a peek at what’s available on this route today.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Cancun Intl. Airport (CUN) last minute?
Being a spontaneous soul is a wonderful way to discover the world, but it’s not always the best method to score a bargain plane ticket. It’s better to book your St. Louis Lambert International Airport to Cancun Airport journey ahead of time rather than leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you’re exploring Cancun Airport!
What is the cheapest airline flying from Lambert-St. Louis Intl. Airport (STL) to Cancun Intl. Airport (CUN) in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, Spirit Airlines is the cheapest carrier flying from St. Louis to Cancun. The fare for this route starts at $102. This flight departs from Lambert-St. Louis Intl. Airport (STL) on May 21 2024 and touches down at Cancun Intl. Airport (CUN). The price was updated on April 19 2024 and has not changed since.
What's the cheapest price for a flight from Lambert Field to CUN next month?
With a one-way flight from St. Louis to Cancun coming in at just $102, you’ll have extra cash left in your pocket for the fun stuff. This airfare was found after searching all available flights on Expedia within the next 30 days. This particular journey jets out from Lambert-St. Louis Intl. Airport (STL) on May 14 2024, comes in to land at CUN and is with Spirit Airlines. The price of this airfare was last updated on April 19 2024 and has not changed since.
What airline has the least delays from St. Louis Lambert International Airport to Cancun Airport?
Achieving an on-time rate of 72%, Frontier Airlines is the airline that’s most likely to fly you from Lambert-St. Louis Intl. Airport (STL) to Cancun Airport without any interruptions. Flight delays aren’t just an unpleasant experience — they can also lead to a missed connection or even ruin your vacation. You can stay updated by looking up your flight status through the free Expedia App before you even reach the airport. If you’re already at the terminal and you’re worried about the knock-on effects, head to your airline’s customer service desk to see what your options are.
Can I find cheap nonstop flights from STL to Cancun Intl. Airport (CUN) in the next three months?
The next vacation you take doesn’t need to break the bank. We’ve uncovered a roundtrip nonstop flight from St. Louis to Cancun within the next 90 days for $481. This price was found after looking at all available flights on Expedia with a departure date within the next three months and was last updated on April 19 2024. The flight via Frontier Airlines departs from STL on May 10 2024 and lands at Cancun Airport. It has a return date of May 12 2024.You can easily find nonstop cheap flights from STL to CUN by using our filters. Start by keying in the details of your journey, then click “Nonstop” under “Filter by” on the left-hand side of the page. Your results will be arranged with the lowest fare first. If there’s no reason to fly on a specific day, make use of our handy “Flexible dates” feature. This lets you compare prices for nearby dates and score the best possible deal.
What airports do you fly into for Cancun from Central United States?
From Central United States, you can journey to Cancun via Cancun Intl. Airport (CUN), Cozumel Intl. Airport (CZM) and Isla Mujeres Airport (ISJ). Do some research into which airport is the right option for you before you make a decision. If you go with Cancun Intl. Airport (CUN), it’s around 9 mi south of the city center. Use the cash you save when booking your trip with Expedia to check out the city’s awesome attractions, such as Tortuga Beach and Langosta Beach.
What are the most popular departure times for flights from STL to CUN?
For Frontier Airlines flights from St. Louis Lambert International Airport to CUN, the peak period is between 6:00 AM - 7:00 AM. If you want to avoid holdups, head out in the morning. This way you’re more likely to escape the air traffic that builds up in the skyways later in the day.
Can I change the date of my flight from STL to CUN?
Life can throw a spanner in your plans, so Expedia is here to help make amending your journey as easy as possible. First, find your Lambert-St. Louis Intl. Airport (STL) to Cancun Intl. Airport (CUN) itinerary through the Expedia Trips portal and browse the fare rules and conditions about what changes are allowed. If you purchased your airfare in the last 24 hours, some airlines will let you cancel for free and book new flights. If you bought your fare more than 24 hours ago, contact us through our Customer Service portal to see how we can help.
Cancun nearby Airports

Cozumel

St. Louis to Cozumel Intl.
$449.48
*Available to One Key members.