Mexico

$142+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Apr 14 — Apr 211
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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 March 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/188:17 pm
STL
-
MEX
1 stop22h 13m
Multiple Airlines
Fri 4/2410:45 pm
MEX
-
STL
2 stops19h 47m
Multiple Airlines
Deal found 3/10$317
This Frontier deal was found by Cheapflights users on 3/15. 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.
Wed 4/296:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Wed 5/611:13 am
CUN
-
STL
Nonstop3h 26m
Frontier
Deal found 3/15$318
This Super.com deal was found by Cheapflights users on 3/14. 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.
Sun 5/106:00 am
STL
-
CUN
Nonstop3h 15m
Frontier
Fri 5/1511:13 am
CUN
-
STL
Nonstop3h 26m
Frontier
Deal found 3/14$319
This Frontier deal was found by Cheapflights users on 3/15. 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 4/196:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Thu 4/2311:48 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/15$321
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/258:17 pm
STL
-
MEX
1 stop22h 13m
Multiple Airlines
Sat 5/28:40 am
MEX
-
STL
1 stop9h 52m
Multiple Airlines
Deal found 3/11$326
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 5/65:27 pm
STL
-
CUN
3 stops30h 31m
Multiple Airlines
Tue 5/1211:13 am
CUN
-
STL
Nonstop3h 26m
Multiple Airlines
Deal found 3/12$329
This CheapOair deal was found by Cheapflights users on 3/13. 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.
Fri 4/108:16 pm
STL
-
CUN
1 stop15h 08m
Frontier
Fri 4/1711:48 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/13$332
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/258:17 pm
STL
-
MEX
1 stop22h 13m
Multiple Airlines
Mon 5/48:40 am
MEX
-
STL
1 stop9h 52m
Multiple Airlines
Deal found 3/13$333
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 5/88:08 pm
STL
-
CUN
1 stop15h 56m
Frontier
Thu 5/1411:13 am
CUN
-
STL
Nonstop3h 26m
Frontier
Deal found 3/12$336
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:23 pm
STL
-
CUN
1 stop16h 23m
Frontier
Tue 4/2811:48 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/13$337
This Expedia deal was found by Cheapflights users on 3/13. 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.
Tue 4/146:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Fri 4/173:54 pm
CUN
-
STL
1 stop27h 38m
Frontier
Deal found 3/13$338
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Sun 5/34:07 pm
CUN
-
STL
1 stop14h 43m
Frontier
Deal found 3/12$341

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Kiwi.com)

One-way from

$142
(Super.com)

Popular in

December

Cheapest in

September

Average price

$667

Good round-trip deal

$430 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
From Missouri to Mexico
One-way flight from Missouri to Mexico
Highest demand for flights based on searches. 12% potential increase in price ($96 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Missouri to Mexico.
Price to beat on a one-way flight from Missouri to Mexico.

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 March 15, 2026.
Use the filters below to find and compare flights from Missouri to Mexico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/19

6:00 am-6:24 pm

2 stops12h 24m

Cancun

Wed 4/22

12:25 pm-11:36 pm

2 stops11h 11m

$419

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 4/20

6:00 am-6:35 pm

2 stops12h 35m

Cancun

Thu 4/23

12:25 pm-11:36 pm

2 stops11h 11m

$419

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/19

6:20 am-6:24 pm

2 stops12h 04m

Cancun

Thu 4/23

11:10 am-11:36 pm

2 stops12h 26m

$419

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/5

6:29 am-6:40 pm

2 stops12h 11m

Cancun

Thu 4/9

12:45 pm-11:25 pm

1 stop10h 40m

$419

Kansas CityPuerto Vallarta

MCI - PVR

MCIPVR

Kansas City

Tue 4/7

6:30 am-11:10 am

1 stop5h 40m

Puerto Vallarta Ordaz

Tue 4/14

12:19 pm-8:52 am

2 stops19h 33m

$431

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Thu 5/14

8:05 am-8:16 pm

1 stop12h 11m

Cancun

Fri 5/22

11:22 am-11:16 pm

2 stops11h 54m

$432

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Sun 4/19

6:05 am-2:01 pm

1 stop7h 56m

Cancun

Fri 4/24

8:06 am-9:07 pm

2 stops13h 01m

$441

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 4/4

9:16 am-7:19 pm

2 stops10h 03m

Cancun

Tue 4/7

3:24 pm-10:28 pm

1 stop7h 04m

$444

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Mon 4/27

7:00 am-2:37 pm

1 stop9h 37m

San José del Cabo Los Cabos

Thu 4/30

2:49 pm-11:59 pm

1 stop31h 10m

$449

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 5/9

7:05 pm-10:10 am

1 stop15h 05m

Cancun

Tue 5/12

9:14 am-9:29 pm

2 stops12h 15m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Missouri to Mexico (average of $186). Flying from Missouri to Mexico in April is currently the most expensive (average of $292). 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 March 15, 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 5h 40m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. Missouri and Mexico are separated by a distance of 1429 mi. This flight may include one or multiple stops.

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

    $119 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, October is the cheapest month in which you can book a flight from Missouri to Mexico (average of $186). Flying from Missouri to Mexico in April is currently the most expensive (average of $292). 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.

Top 10 airlines flying from Missouri to Mexico

Discover the top 10 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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$168Average$526FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$172Average$357FlexibilityNo cancel feeOn-time65%
DeltaCheapest$174Average$598FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$180Average$374FlexibilityNo cancel feeOn-time79%
FrontierCheapest$212Average$454FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$605FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$608FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$404Average$468FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$419Average$622FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$527Average$590FlexibilityNo cancel feeOn-time75%

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