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$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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
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 May 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/16. 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 8/106:16 pm
MCI
-
CUN
2 stops20h 08m
Frontier
Tue 8/253:35 pm
CUN
-
MCI
1 stop21h 25m
Frontier
Deal found 5/16$348
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:45 pm
MCI
-
CUN
1 stop23h 04m
Frontier
Mon 7/203:35 pm
CUN
-
MCI
1 stop21h 20m
Frontier
Deal found 5/14$357
This Priceline deal was found by Cheapflights users on 5/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:30 am
STL
-
MEX
1 stop17h 40m
Frontier
Sat 7/411:10 am
MEX
-
STL
1 stop26h 13m
Frontier
Deal found 5/13$362
This Gotogate deal was found by Cheapflights users on 5/17. 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.
Wed 6/104:17 pm
STL
-
MEX
1 stop28h 28m
Frontier
Tue 6/238:45 pm
MEX
-
STL
1 stop16h 52m
Frontier
Deal found 5/17$370
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 7/66:16 pm
MCI
-
CUN
2 stops20h 08m
Frontier
Sun 7/123:35 pm
CUN
-
MCI
1 stop21h 20m
Frontier
Deal found 5/17$371
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/83:34 pm
STL
-
CUN
2 stops18h 29m
Multiple Airlines
Tue 7/143:35 pm
CUN
-
STL
1 stop27h 48m
Multiple Airlines
Deal found 5/16$373
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/78:08 pm
STL
-
CUN
1 stop16h 41m
Frontier
Tue 7/143:35 pm
CUN
-
STL
1 stop27h 48m
Frontier
Deal found 5/16$377
This Priceline deal was found by Cheapflights users on 5/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:17 pm
STL
-
MEX
1 stop28h 28m
Frontier
Tue 6/1611:10 am
MEX
-
STL
1 stop26h 27m
Frontier
Deal found 5/14$380
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:55 am
STL
-
CUN
Nonstop3h 05m
Southwest
Wed 7/83:25 pm
CUN
-
STL
Nonstop3h 15m
Southwest
Deal found 5/15$384
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 8/176:16 pm
MCI
-
CUN
2 stops20h 09m
Frontier
Sat 8/223:35 pm
CUN
-
MCI
1 stop21h 25m
Frontier
Deal found 5/13$384
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/81:45 pm
MCI
-
CUN
1 stop23h 04m
Frontier
Wed 8/123:35 pm
CUN
-
MCI
1 stop21h 20m
Frontier
Deal found 5/13$390
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/88:08 pm
STL
-
CUN
1 stop16h 41m
Frontier
Tue 7/143:35 pm
CUN
-
STL
1 stop27h 48m
Frontier
Deal found 5/16$391

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(Kiwi.com)

One-way from

$120
(Frontier)

Popular in

December

Cheapest in

September

Average price

$584

Good round-trip deal

$492 or less

Good one-way deal

$243 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. 9% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 18, 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

Tue 7/7

1:22 pm-8:15 pm

1 stop6h 53m

Cancun

Tue 7/14

12:35 pm-8:37 pm

1 stop8h 02m

$398

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 9/12

6:45 am-12:50 pm

1 stop6h 05m

Cancun

Sat 9/19

2:00 pm-11:37 pm

1 stop9h 37m

$426

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 6/1

7:05 am-8:16 pm

1 stop13h 11m

Cancun

Fri 6/5

8:09 am-9:38 pm

2 stops13h 29m

$426

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 10/10

9:00 am-8:15 pm

1 stop11h 15m

Cancun

Wed 10/14

12:25 pm-11:39 pm

1 stop11h 14m

$436

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 11/2

1:30 pm-9:15 pm

1 stop6h 45m

Cancun

Sat 11/7

4:20 pm-11:18 pm

1 stop7h 58m

$436

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 8/12

6:30 am-1:01 pm

1 stop6h 31m

Cancun

Tue 8/18

8:05 am-5:53 pm

1 stop9h 48m

$436

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Tue 11/3

7:00 am-3:05 pm

1 stop9h 05m

San José del Cabo Los Cabos

Tue 11/10

3:46 pm-11:37 pm

1 stop6h 51m

$473

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Mon 8/17

6:51 am-5:41 pm

2 stops12h 50m

San José del Cabo Los Cabos

Fri 8/21

6:04 am-11:57 pm

2 stops15h 53m

$473

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 7/22

6:30 am-4:40 pm

1 stop11h 10m

Mexico City Benito Juarez

Sun 7/26

8:45 pm-2:23 pm

1 stop16h 38m

$504

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 7/8

6:21 am-6:29 pm

2 stops12h 08m

Cancun

Tue 7/14

12:35 pm-11:22 pm

2 stops10h 47m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

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

How far ahead should I book a flight from Missouri to Mexico?

The price you pay for your flight from Missouri to Mexico may vary depending on when you book. For the best chance of a lower fare, look to book 41 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 Missouri to Mexico?

Currently, July is the cheapest month in which you can book a flight from Missouri to Mexico (average of $104). Flying from Missouri to Mexico in October is currently the most expensive (average of $1,059). 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 May 18, 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 53m. Fly via Delta, United Airlines, or Volaris 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?

    $98 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $105 and $140, 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, July is the cheapest month in which you can book a flight from Missouri to Mexico (average of $104). Flying from Missouri to Mexico in October is currently the most expensive (average of $1,059). 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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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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$168Average$522FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$172Average$403FlexibilityNo cancel feeOn-time65%
DeltaCheapest$179Average$601FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$182Average$375FlexibilityNo cancel feeOn-time79%
FrontierCheapest$207Average$445FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$638FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$634FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$404Average$468FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$419Average$630FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$527Average$597FlexibilityNo cancel feeOn-time75%

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