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$94+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap 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 January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/26:00 am
STL
-
CUN
Nonstop3h 30m
Frontier
Tue 3/311:40 am
CUN
-
STL
2 stops20h 11m
Frontier
Deal found 1/19$305
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/36:00 am
STL
-
CUN
Nonstop3h 30m
Frontier
Sat 3/72:22 pm
CUN
-
STL
1 stop16h 35m
Frontier
Deal found 1/19$316
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/288:17 pm
STL
-
CUN
1 stop11h 34m
Frontier
Tue 3/311:40 am
CUN
-
STL
2 stops20h 11m
Frontier
Deal found 1/19$320
This Frontier deal was found by Cheapflights users on 1/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
STL
-
CUN
Nonstop3h 30m
Frontier
Wed 3/411:42 am
CUN
-
STL
Nonstop3h 27m
Frontier
Deal found 1/19$324
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Fri 2/278:22 pm
STL
-
CUN
1 stop11h 44m
Frontier
Tue 3/311:40 am
CUN
-
STL
2 stops20h 11m
Frontier
Deal found 1/19$326
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/23:49 pm
STL
-
CUN
1 stop16h 29m
Multiple Airlines
Wed 3/411:42 am
CUN
-
STL
Nonstop3h 27m
Multiple Airlines
Deal found 1/19$327
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Fri 2/278:22 pm
STL
-
CUN
1 stop11h 44m
Frontier
Sat 3/712:44 pm
CUN
-
STL
Nonstop3h 27m
Frontier
Deal found 1/19$328
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Fri 2/208:20 pm
STL
-
CUN
1 stop11h 31m
Frontier
Wed 2/257:19 pm
CUN
-
STL
2 stops36h 32m
Frontier
Deal found 1/21$330
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/19:09 am
STL
-
CUN
2 stops15h 27m
Multiple Airlines
Sun 2/84:30 pm
CUN
-
STL
1 stop15h 21m
Multiple Airlines
Deal found 1/21$331
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Fri 1/308:22 pm
STL
-
CUN
2 stops14h 54m
Multiple Airlines
Thu 2/52:57 pm
CUN
-
STL
1 stop16h 54m
Multiple Airlines
Deal found 1/20$333
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/19:09 am
STL
-
CUN
2 stops15h 27m
Multiple Airlines
Sat 2/710:13 am
CUN
-
STL
1 stop14h 20m
Multiple Airlines
Deal found 1/21$336
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Fri 2/65:42 pm
STL
-
MEX
2 stops28h 18m
Multiple Airlines
Tue 2/1011:10 am
MEX
-
STL
1 stop11h 17m
Multiple Airlines
Deal found 1/21$354

Find flight deals from Missouri to Mexico

Keep the following information in mind while searching for Missouri to Mexico flight deals. Data was last updated January 22, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$305
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$745

Good round-trip deal

$416 or less

Good one-way deal

$251 or less
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
Search Deals
From Missouri to Mexico
Search Deals
One-way flight from Missouri to Mexico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Missouri to Mexico.
Search Deals
Price to beat on a one-way flight from Missouri to Mexico.
Search Deals

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 January 22, 2026.
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. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 2/6

5:42 pm-10:00 pm

2 stops28h 18m

Mexico City Benito Juarez

Tue 2/10

11:10 am-10:27 pm

1 stop11h 17m

$354

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 2/26

10:11 pm-8:05 pm

1 stop21h 54m

Mexico City Benito Juarez

Mon 3/2

8:10 am-9:13 pm

2 stops13h 03m

$359

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 2/21

8:17 pm-8:51 am

1 stop11h 34m

Cancun

Mon 2/23

11:42 am-2:09 pm

Nonstop3h 27m

$363

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/5

6:15 am-9:32 am

Nonstop3h 17m

Cancun

Thu 4/9

11:43 am-3:14 pm

Nonstop3h 31m

$375

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/19

6:00 am-12:45 pm

1 stop6h 45m

Cancun

Thu 4/23

12:25 pm-11:33 pm

2 stops11h 08m

$384

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 3/1

10:13 am-9:11 pm

1 stop9h 58m

Cancun

Wed 3/4

11:18 am-11:36 pm

2 stops13h 18m

$384

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 3/1

6:10 am-6:47 pm

2 stops11h 37m

Cancun

Fri 3/6

12:05 pm-11:23 pm

2 stops12h 18m

$389

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 2/18

10:13 am-9:11 pm

1 stop9h 58m

Cancun

Wed 2/25

12:05 pm-11:23 pm

2 stops12h 18m

$389

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 3/8

6:00 am-9:30 am

Nonstop3h 30m

Cancun

Sat 3/14

11:14 am-2:41 pm

Nonstop3h 27m

$396

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Sat 4/11

8:01 pm-10:31 am

1 stop16h 30m

San José del Cabo Los Cabos

Wed 4/15

1:46 pm-12:24 am

1 stop8h 38m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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, February is the cheapest month in which you can book a flight from Missouri to Mexico (average of $156). Flying from Missouri to Mexico in July is currently the most expensive (average of $225). 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 January 22, 2026.

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 6h 45m. Fly via Frontier, Delta, or American Airlines 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?

    $138 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $164 and $173, 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, February is the cheapest month in which you can book a flight from Missouri to Mexico (average of $156). Flying from Missouri to Mexico in July is currently the most expensive (average of $225). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$325FlexibilityNo cancel feeOn-time65%
VolarisCheapest$174Average$369FlexibilityNo cancel feeOn-time79%
DeltaCheapest$179Average$593FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$195Average$410FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$196Average$540FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$330Average$617FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$366Average$617FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$419Average$634FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$501Average$600FlexibilityNo cancel feeOn-time75%

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