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$83+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$225
(Super.com)

One-way from

$83
(Super.com)

Popular in

December

Cheapest in

September

Average price

$703

Good round-trip deal

$338 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
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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. 7% potential increase in price ($51 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 November 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Tue 12/236:00 amSTL - CUN
Nonstop3h 23mFrontier
Sat 12/2710:07 amCUN - STL
1 stop24h 33mFrontier
Deal found 11/12$236
This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:15 amSTL - CUN
Nonstop3h 18mFrontier
Mon 12/1511:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 11/12$239
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:15 amSTL - CUN
Nonstop3h 18mFrontier
Thu 11/2712:14 pmCUN - STL
Nonstop3h 19mFrontier
Deal found 11/12$241
This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSTL - CUN
Nonstop3h 23mFrontier
Wed 1/71:06 pmCUN - STL
Nonstop3h 25mFrontier
Deal found 11/12$248
This CheapOair deal was found by Cheapflights users on 11/13. 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.
Sun 12/76:00 amSTL - CUN
Nonstop3h 23mFrontier
Wed 12/1011:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 11/13$258
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amSTL - CUN
Nonstop3h 23mFrontier
Sat 12/611:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 11/11$266
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/246:00 amSTL - CUN
Nonstop3h 23mFrontier
Mon 12/2910:07 amCUN - STL
1 stop24h 33mFrontier
Deal found 11/12$280
This Mytrip deal was found by Cheapflights users on 11/12. 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.
Sat 11/154:05 pmSTL - CUN
1 stop28h 10mMultiple Airlines
Sat 11/2212:14 pmCUN - STL
Nonstop3h 19mMultiple Airlines
Deal found 11/12$284
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amSTL - CUN
Nonstop3h 23mFrontier
Tue 12/1611:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 11/12$286
This Super.com deal was found by Cheapflights users on 11/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amSTL - CUN
Nonstop3h 23mFrontier
Thu 12/1812:26 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 11/12$291
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/106:00 amSTL - CUN
Nonstop3h 23mFrontier
Wed 12/1711:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 11/12$294
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 11/244:36 pmMCI - CUN
1 stop20h 06mFrontier
Thu 11/272:52 pmCUN - MCI
1 stop20h 26mFrontier
Deal found 11/11$306

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 November 13, 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

Tue 12/23

6:00 am-10:23 am

Nonstop3h 23m

Cancun

Sat 12/27

10:07 am-9:40 am

1 stop24h 33m

$236

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Thu 1/29

10:50 am-8:45 pm

1 stop8h 55m

Cancun

Wed 2/4

12:00 pm-6:04 pm

1 stop7h 04m

$297

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Thu 1/8

6:34 pm-11:00 am

1 stop15h 26m

Cancun

Fri 1/16

2:25 pm-9:00 pm

1 stop7h 35m

$297

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 1/7

7:43 pm-9:45 pm

2 stops26h 02m

Mexico City Benito Juarez

Wed 1/14

10:00 pm-3:29 pm

1 stop17h 29m

$325

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Sat 1/17

12:45 pm-8:45 pm

1 stop7h 00m

Cancun

Fri 1/23

11:30 am-9:19 pm

2 stops10h 49m

$327

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Sat 12/13

6:34 pm-10:32 am

1 stop14h 58m

Cancun

Thu 12/18

8:45 am-6:54 pm

1 stop11h 09m

$361

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 12/9

11:40 am-9:20 pm

1 stop8h 40m

Cancun

Tue 12/16

12:20 pm-11:29 pm

2 stops12h 09m

$375

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 12/9

10:00 am-8:18 pm

2 stops9h 18m

Cancun

Tue 12/16

4:51 pm-9:58 pm

1 stop6h 07m

$375

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 12/7

7:05 am-9:20 pm

1 stop13h 15m

Cancun

Wed 12/10

8:00 am-6:33 pm

1 stop11h 33m

$375

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 12/10

2:02 pm-9:20 pm

1 stop6h 18m

Cancun

Wed 12/17

1:33 pm-6:33 pm

1 stop6h 00m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 $160). Flying from Missouri to Mexico in December is currently the most expensive (average of $258). 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 November 13, 2025.

When flying from Missouri to Mexico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

What is the cheapest day to fly from Missouri to Mexico?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Mexico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Mexico flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 23m. Fly via Frontier, American 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?

    $111 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $183 and $183, 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 $160). Flying from Missouri to Mexico in December is currently the most expensive (average of $258). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$337FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$374FlexibilityNo cancel feeOn-time79%
DeltaCheapest$185Average$591FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$243Average$462FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$247Average$540FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$610FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$365Average$623FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$453Average$657FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$454Average$732FlexibilityNo cancel feeOn-time75%

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