HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mexico

$120+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Mexico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 7, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$278
(Super.com)

One-way from

$120
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$745

Good round-trip deal

$412 or less

Good one-way deal

$218 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 ($19 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

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 January 7, 2026.

This Super.com deal was found by Cheapflights users on 1/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:17 pmSTL - CUN
1 stop11h 34mFrontier
Sat 2/219:00 amCUN - STL
1 stop15h 59mFrontier
Deal found 1/7$278
This Expedia deal was found by Cheapflights users on 1/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:17 pmSTL - CUN
1 stop11h 34mFrontier
Sat 2/289:00 amCUN - STL
1 stop15h 59mFrontier
Deal found 1/6$281
This Frontier deal was found by Cheapflights users on 1/7. 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.
Sat 2/218:17 pmSTL - CUN
1 stop11h 34mFrontier
Tue 2/2411:42 amCUN - STL
Nonstop3h 27mFrontier
Deal found 1/7$294
This CheapOair deal was found by Cheapflights users on 1/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 amSTL - CUN
Nonstop3h 30mFrontier
Sat 2/289:00 amCUN - STL
1 stop15h 59mFrontier
Deal found 1/6$300
This Super.com deal was found by Cheapflights users on 1/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:17 pmSTL - CUN
1 stop11h 34mFrontier
Sat 3/72:22 pmCUN - STL
1 stop9h 57mFrontier
Deal found 1/7$302
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/315:42 pmSTL - CUN
1 stop14h 31mMultiple Airlines
Sat 2/710:13 amCUN - STL
1 stop14h 20mMultiple Airlines
Deal found 1/6$307
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/15:42 pmSTL - CUN
1 stop14h 31mMultiple Airlines
Sat 2/710:13 amCUN - STL
1 stop14h 20mMultiple Airlines
Deal found 1/6$308
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/47:00 amMCI - MEX
1 stop13h 05mMultiple Airlines
Wed 2/118:10 amMEX - MCI
1 stop7h 34mMultiple Airlines
Deal found 1/7$343
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/286:41 pmSTL - MEX
1 stop25h 24mMultiple Airlines
Fri 3/611:10 amMEX - STL
1 stop12h 09mMultiple Airlines
Deal found 1/7$346
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/286:41 pmSTL - MEX
1 stop25h 24mMultiple Airlines
Thu 3/511:10 amMEX - STL
1 stop12h 49mMultiple Airlines
Deal found 1/7$347
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/3011:18 amSTL - MEX
1 stop8h 27mMultiple Airlines
Tue 2/37:20 pmMEX - STL
2 stops28h 13mMultiple Airlines
Deal found 1/7$351
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/217:00 amMCI - MEX
1 stop13h 05mMultiple Airlines
Sat 2/2811:00 amMEX - MCI
1 stop12h 33mMultiple Airlines
Deal found 1/7$356

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 7, 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. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 2/8

6:00 am-10:30 am

Nonstop3h 30m

Cancun

Tue 3/3

2:27 pm-3:53 pm

1 stop26h 26m

$310

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sat 2/28

6:41 pm-8:05 pm

1 stop25h 24m

Mexico City Benito Juarez

Thu 3/5

11:10 am-11:59 pm

1 stop12h 49m

$347

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

Wed 2/4

7:00 am-8:05 pm

1 stop13h 05m

Mexico City Benito Juarez

Wed 2/11

8:10 am-3:44 pm

1 stop7h 34m

$353

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

Sat 2/21

7:00 am-8:05 pm

1 stop13h 05m

Mexico City Benito Juarez

Sat 2/28

11:00 am-11:33 pm

1 stop12h 33m

$356

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 2/18

3:49 pm-7:45 pm

1 stop27h 56m

Mexico City Benito Juarez

Mon 2/23

10:00 pm-10:27 pm

2 stops24h 27m

$360

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 2/3

5:42 pm-7:45 pm

1 stop26h 03m

Mexico City Benito Juarez

Tue 2/10

10:00 pm-10:27 pm

2 stops24h 27m

$367

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

Thu 2/26

9:24 pm-5:05 pm

1 stop19h 41m

Mexico City Benito Juarez

Wed 3/4

8:10 am-3:44 pm

1 stop7h 34m

$368

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sat 1/17

1:55 pm-9:11 pm

1 stop6h 16m

Cancun

Sat 1/24

11:05 am-9:37 pm

1 stop11h 32m

$370

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Tue 1/20

5:45 am-2:18 pm

1 stop7h 33m

Cancun

Sat 1/24

8:39 am-2:04 pm

1 stop6h 25m

$370

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 1/18

1:50 pm-9:11 pm

1 stop6h 21m

Cancun

Thu 1/22

12:05 pm-11:51 pm

2 stops12h 46m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 results
1
2
3
...
6

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 $147). Flying from Missouri to Mexico in July is currently the most expensive (average of $222). 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 7, 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 3h 30m. Fly via Frontier, Delta, or United 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?

    $141 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 $147). Flying from Missouri to Mexico in July is currently the most expensive (average of $222). 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.
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Cancún flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to West Palm Beach flights
Newark to West Palm Beach flights
Newark to Cancún flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
O'Hare Intl to Cancún flights
Los Angeles to John F Kennedy Intl flights
Newark to Las Vegas flights
Newark to Orlando flights
LaGuardia to Orlando flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
Minneapolis to Sky Harbor Intl flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to Mexico City flights
LaGuardia to Tampa flights
LaGuardia to Cancún flights
John F Kennedy Intl to Mexico City flights
LaGuardia to West Palm Beach flights
Dulles Intl to Miami flights
Newark to Tampa flights
O'Hare Intl to Sky Harbor Intl flights
Dulles Intl to Cancún flights
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Cancún flights
Boston to Tampa flights
Detroit to Orlando flights
Dallas/Fort Worth to LaGuardia flights
San Francisco to Las Vegas flights
Los Angeles to Seattle flights
Boston to Fort Lauderdale flights
Baltimore to Fort Lauderdale flights
Reagan-National to Miami flights
Detroit to Fort Lauderdale flights
John F Kennedy Intl to Tampa flights
Boston to Miami flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Dallas/Fort Worth 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$326FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$372FlexibilityNo cancel feeOn-time79%
DeltaCheapest$179Average$576FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$218Average$539FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$230Average$423FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$348Average$599FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$365Average$598FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$419Average$647FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$501Average$609FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.