$228 Cheap Flights from St. Louis (STL) to Cozumel (CZM)

View $228 flight on Sun, Sep 14, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Cozumel Intl. Airport (CZM)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Louis to Cozumel (STL-CZM)

Prices were available within the past 7 days and start at $228 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Mon, Jan 26 - Fri, Jan 30
STL
St. Louis
CZM
Cozumel
$497 Roundtrip, found 1 day ago
$497
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Mon, Jan 26 from St. Louis to Cozumel, returning Fri, Jan 30, priced at $497 found 1 day ago
Delta
Tue, Jan 20 - Wed, Jan 28
STL
St. Louis
CZM
Cozumel
$497 Roundtrip, just found
$497
Roundtrip
just found
Select Delta flight, departing Tue, Jan 20 from St. Louis to Cozumel, returning Wed, Jan 28, priced at $497 just found
United
Tue, Dec 2 - Tue, Dec 9
STL
St. Louis
CZM
Cozumel
$497 Roundtrip, found 20 hours ago
$497
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Dec 2 from St. Louis to Cozumel, returning Tue, Dec 9, priced at $497 found 20 hours ago
Delta
Mon, Jan 26 - Fri, Jan 30
STL
St. Louis
CZM
Cozumel
$497 Roundtrip, found 1 day ago
$497
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 26 from St. Louis to Cozumel, returning Fri, Jan 30, priced at $497 found 1 day ago
United
Mon, Jan 26 - Fri, Jan 30
STL
St. Louis
CZM
Cozumel
$501 Roundtrip, found 1 day ago
$501
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 26 from St. Louis to Cozumel, returning Fri, Jan 30, priced at $501 found 1 day ago
Aeromexico
Mon, Jan 26 - Fri, Jan 30
STL
St. Louis
CZM
Cozumel
$502 Roundtrip, found 1 day ago
$502
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Mon, Jan 26 from St. Louis to Cozumel, returning Fri, Jan 30, priced at $502 found 1 day ago
American Airlines
Tue, Dec 2 - Tue, Dec 9
STL
St. Louis
CZM
Cozumel
$505 Roundtrip, found 20 hours ago
$505
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Tue, Dec 2 from St. Louis to Cozumel, returning Tue, Dec 9, priced at $505 found 20 hours ago
United
Mon, Jan 26 - Fri, Jan 30
STL
St. Louis
CZM
Cozumel
$507 Roundtrip, found 1 day ago
$507
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 26 from St. Louis to Cozumel, returning Fri, Jan 30, priced at $507 found 1 day ago
American Airlines
Sun, Oct 12 - Fri, Oct 17
STL
St. Louis
CZM
Cozumel
$508 Roundtrip, found 3 days ago
$508
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Oct 12 from St. Louis to Cozumel, returning Fri, Oct 17, priced at $508 found 3 days ago
Air Canada
Tue, Dec 2 - Tue, Dec 9
STL
St. Louis
CZM
Cozumel
$530 Roundtrip, found 20 hours ago
$530
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Dec 2 from St. Louis to Cozumel, returning Tue, Dec 9, priced at $530 found 20 hours ago

Find the cheapest month to fly from St. Louis (STL) to Cozumel (CZM)

January is typically the cheapest month to fly

From $387 - $763 per traveler.

Graph displaying average flight prices per month

Alternative airports near Cozumel

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cozumel Intl. CZM. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $681
CZM
Cozumel Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $681
Flights from St. Louis (STL) to Cozumel (CZM)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cozumel Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, United
Roundtrip price
$496
Distance
1276 mi

St. Louis to Cozumel Flights

The cheapest times to fly from St. Louis to Cozumel

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Cozumel are during the month of January. You can find some of the cheapest flights from St. Louis to Cozumel with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Cozumel

Sunday is one of the best days to book for cheap flights from St. Louis to Cozumel: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Cozumel

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Cozumel in 2025. You can also book with separate airlines for your outbound and return journeys, from $228 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Cozumel flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Cozumel airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM) cost?
Discover the latest flight deals from STL to CZM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to CZM?
The cheapest flights from STL to CZM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to CZM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to CZM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to CZM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM)?
To reach Cozumel Intl. Airport (CZM) without delays, choose a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Cozumel from Lambert-St. Louis Intl. Airport (STL)?
Explore your flight options from Lambert-St. Louis Intl. Airport (STL) to Cancun Intl. Airport (CUN). This is the only airport in Cozumel you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM) last-minute?
Booking your flight from STL to CZM just before your trip is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to CZM flight and hotel package?
You can save money by securing a STL to CZM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Cozumel Intl. Airport (CZM)?
In most instances, you can cancel or reschedule your STL to CZM flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.