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$113+ Cheap flights from Missouri to Mexico

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Missouri to Mexico

Keep the following information in mind while searching for Missouri to Mexico flight deals. Data was last updated August 20, 2025.

Round-trip from

$246
(Cheapflightsfares)

One-way from

$113
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$589

Good round-trip deal

$322 or less

Good one-way deal

$189 or less
From Missouri to Mexico
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One-way flight from Missouri to Mexico
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Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Missouri to Mexico.
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Price to beat on a one-way flight from Missouri to Mexico.
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Find flight deals from Missouri to Mexico

Cheapest flights from Missouri to Mexico
Explore the most affordable flight options available from Missouri to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 9/152:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$246
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:21 amSTL - CUN
Nonstop3h 13mFrontier
Sat 9/202:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$248
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 9/152:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$263
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:26 amSTL - CUN
Nonstop3h 20mFrontier
Tue 9/92:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$277
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:21 amSTL - CUN
Nonstop3h 13mFrontier
Sat 9/132:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$278
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:21 amSTL - CUN
Nonstop3h 13mFrontier
Thu 9/112:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$279
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:21 amSTL - CUN
Nonstop3h 13mFrontier
Thu 10/92:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 8/20$282
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:21 amSTL - CUN
Nonstop3h 13mFrontier
Tue 9/92:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$283
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:21 amSTL - CUN
Nonstop3h 13mFrontier
Wed 9/242:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$284
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:22 amSTL - CUN
Nonstop3h 13mFrontier
Mon 10/272:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 8/19$285
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:21 amSTL - CUN
Nonstop3h 13mFrontier
Sun 9/282:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$286
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:22 amSTL - CUN
Nonstop3h 13mFrontier
Thu 10/232:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 8/19$289

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Mexico 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 August 20, 2025.
Use the filters below to find and compare flights from Missouri to Mexico that are best for you.

Fly from

Missouri

Fly to

Mexico

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 9/11

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/15

2:49 pm-6:10 pm

Nonstop3h 21m

$246

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 9/14

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/22

2:49 pm-6:10 pm

Nonstop3h 21m

$246

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 10/26

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Sun 11/2

3:45 pm-6:00 pm

Nonstop3h 15m

$246

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 10/19

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Thu 10/30

3:45 pm-7:00 pm

Nonstop3h 15m

$248

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 9/8

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/15

2:49 pm-6:10 pm

Nonstop3h 21m

$277

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 9/7

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Thu 9/11

2:49 pm-6:10 pm

Nonstop3h 21m

$279

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 10/4

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Thu 10/9

2:50 pm-6:07 pm

Nonstop3h 17m

$282

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Mon 10/27

5:15 am-8:04 am

1 stop26h 49m

Cancun

Thu 10/30

9:09 am-11:46 pm

1 stop14h 37m

$329

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 9/28

5:15 am-8:11 am

1 stop26h 56m

Cancun

Fri 10/3

9:16 am-11:07 pm

1 stop13h 51m

$329

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Thu 9/18

5:15 am-8:11 am

1 stop26h 56m

Cancun

Thu 9/25

9:16 am-11:07 pm

1 stop13h 51m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico from Missouri 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 Missouri to Mexico

What is the cheapest month to book a flight from Missouri to Mexico?

Currently, May is the cheapest month in which you can book a flight from Missouri to Mexico (average of $387). Flying from Missouri to Mexico in December is currently the most expensive (average of $615). 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.

What is the cheapest time of day to fly from MO to MX?

Find hourly flight availability from Missouri to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Missouri to Mexico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • How long is the flight from Missouri to Mexico?

    There are many flights that can get you from Missouri to Mexico in 3h 13m. Fly via Frontier, Spirit Airlines, or Delta to get the fastest option. Missouri and Mexico are separated by a distance of 1241 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to Mexico one-way?

    $113 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $151 and $182, respectively.

  • Can I find deals for flights from Missouri to Mexico that include hotel bookings?

    Yes. In addition to deals on Missouri to Mexico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Mexico?

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

  • Can I find deals for business class flights from Missouri to Mexico?

    Yes. Cheapflights offers flight deals from Missouri to Mexico 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 Missouri to Mexico?

    Currently, May is the cheapest month in which you can book a flight from Missouri to Mexico (average of $387). Flying from Missouri to Mexico in December is currently the most expensive (average of $615). 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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Alternative routes for Missouri to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
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John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
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O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Orlando flights
Miami to LaGuardia flights
Newark to Las Vegas flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to Cancún flights
Los Angeles to LaGuardia flights
Los Angeles to O'Hare Intl flights
Atlanta to LaGuardia flights
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O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
Fort Lauderdale to LaGuardia flights
Newark to San Francisco flights

Top 9 airlines flying from Missouri to Mexico

Discover the top 9 airlines that operate flights from Missouri to Mexico. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$335FlexibilityNo cancel feeOn-time65%
VolarisCheapest$174Average$364FlexibilityNo cancel feeOn-time79%
DeltaCheapest$185Average$584FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$243Average$536FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$270Average$511FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$297Average$611FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$306Average$629FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$385Average$635FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$453Average$673FlexibilityNo cancel feeOn-time63%

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