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Cozumel

$283+ Cheap flights from St. Louis (STL) to Cozumel (CZM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CZM
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from St. Louis to Cozumel

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cozumel (CZM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$497
(American Airlines)

One-way from

$283
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$653
From Lambert-St Louis to Cozumel
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One-way flight from Lambert-St Louis to Cozumel
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Highest demand for flights based on searches. 3% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from St. Louis to Cozumel

Cheapest flights from St. Louis to Cozumel
Explore the most affordable flight options available from St. Louis to Cozumel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:11 amSTL - CZM
1 stop11h 14mAmerican Airlines
Thu 10/304:15 pmCZM - STL
1 stop6h 29mAmerican Airlines
Deal found 7/27$497
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:15 amSTL - CZM
1 stop7h 04mUnited Airlines
Fri 9/121:21 pmCZM - STL
1 stop7h 47mUnited Airlines
Deal found 7/26$522

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Cozumel that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Cozumel that are best for you.

Fly from

St. Louis

Fly to

Cozumel

Route

Depart

Return

Price

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Sun 10/26

5:11 am-3:25 pm

1 stop11h 14m

Cozumel

Thu 10/30

4:15 pm-11:44 pm

1 stop6h 29m

$497

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Fri 9/5

6:15 am-12:19 pm

1 stop7h 04m

Cozumel

Fri 9/12

1:21 pm-10:08 pm

1 stop7h 47m

$522

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Mon 10/27

5:24 pm-12:23 pm

2 stops19h 59m

$283

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Sat 9/27

7:59 pm-3:21 pm

1 stop20h 22m

$299

St. LouisCozumel

STL - CZM

STLCZM

Lambert-St Louis

Thu 9/18

6:01 am-1:55 pm

2 stops32h 54m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from St. Louis to Cozumel

Have a flexible travel schedule? Discover the best time to fly to Cozumel from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Cozumel

How far ahead should I book a flight from St. Louis to Cozumel?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Cozumel. Price data was last updated on July 25, 2025.

The price you pay for your flight from St. Louis to Cozumel may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Cozumel?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Cozumel (average of $464). Flying from St. Louis to Cozumel in June is currently the most expensive (average of $644). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Cozumel?

Reviews of airlines servicing Cozumel

Get insights into the airlines that provide service to Cozumel. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cozumel. Reviews last updated July 29, 2025.
See what other customers who have flown with Aeromexico, United Airlines, and American Airlines from St. Louis to Cozumel have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aeromexico
7.5
Good
1,720 reviews

Overall

7.5

Crew

7.9

Food

6.7

Boarding

7.5

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.
Aeromexico
7.5
Good
1,720 reviews
Aeromexico
7.5
Good
1,720 reviews

Overall

7.5

Crew

7.9

Food

6.7

Boarding

7.5

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.
United Airlines
7.4
Good
8,899 reviews
Aeromexico
7.5
Good
1,720 reviews

Overall

7.5

Crew

7.9

Food

6.7

Boarding

7.5

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.
American Airlines
7.2
Good
10,000 reviews
Aeromexico
7.5
Good
1,720 reviews

Overall

7.5

Crew

7.9

Food

6.7

Boarding

7.5

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Cozumel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Cozumel round-trip?

    Flying on American Airlines is currently your cheapest option to Cozumel, with prices starting at $497. Another option worth looking into is United Airlines, starting at $522 round trip. You may be able to fly from St. Louis to Cozumel for 18% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Cozumel one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $283. However, be on the lookout for offers from American Airlines and Aeromexico, as they are both options that can get you from St. Louis to Cozumel for a low price.

  • Can I find deals for flights from St. Louis to Cozumel that include hotel bookings?

    Yes. In addition to deals on St. Louis to Cozumel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Cozumel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Cozumel.

  • Can I find deals for business class flights from St. Louis to Cozumel?

    Yes. Cheapflights offers flight deals from St. Louis to Cozumel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Cozumel?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Cozumel (average of $464). Flying from St. Louis to Cozumel in June is currently the most expensive (average of $644). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from St. Louis to Cozumel

Discover the top 4 airlines that operate flights from St. Louis to Cozumel. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$514FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$639FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$463Average$551FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$470Average$630FlexibilityNo cancel feeOn-time71%

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