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$113+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 24, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$297
(Kiwi.com)

One-way from

$113
(Mytrip)

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 ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 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 24, 2025.

This Delta deal was found by Cheapflights users on 11/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:05 amSTL - CUN
1 stop13h 15mDelta
Tue 12/98:00 amCUN - STL
1 stop9h 06mDelta
Deal found 11/22$309
This Delta deal was found by Cheapflights users on 11/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:25 pmSTL - CUN
1 stop19h 02mDelta
Wed 12/106:00 amCUN - STL
2 stops16h 57mDelta
Deal found 11/22$317
This Kiwi.com deal was found by Cheapflights users on 11/23. 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
Thu 12/2512:26 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 11/23$320
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 12/137:01 pmMCI - CUN
1 stop17h 12mMultiple Airlines
Sat 12/204:58 pmCUN - MCI
1 stop27h 53mMultiple Airlines
Deal found 11/22$323
This Priceline deal was found by Cheapflights users on 11/22. 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.
Mon 12/156:00 amSTL - CUN
Nonstop3h 23mFrontier
Sat 12/2010:07 amCUN - STL
1 stop24h 33mFrontier
Deal found 11/22$336
This Kiwi.com deal was found by Cheapflights users on 11/23. 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
Fri 12/264:58 pmCUN - STL
1 stop18h 04mFrontier
Deal found 11/23$337
This Frontier deal was found by Cheapflights users on 11/22. 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 12/136:00 amSTL - CUN
Nonstop3h 23mFrontier
Thu 12/1812:26 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 11/22$338
This Expedia deal was found by Cheapflights users on 11/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:05 pmSTL - CUN
1 stop17h 45mMultiple Airlines
Tue 12/1611:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 11/21$343
This Super.com deal was found by Cheapflights users on 11/21. 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 Super.com 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 11/21$350
This American Airlines deal was found by Cheapflights users on 11/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:35 pmSTL - CUN
1 stop15h 15mAmerican Airlines
Sat 12/1312:32 pmCUN - STL
Nonstop3h 35mAmerican Airlines
Deal found 11/22$352
This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:34 pmSGF - CUN
1 stop14h 58mAmerican Airlines
Thu 12/188:45 amCUN - SGF
1 stop9h 45mAmerican Airlines
Deal found 11/24$361
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 12/137:01 pmMCI - CUN
1 stop17h 12mSpirit Airlines
Sat 12/203:40 pmCUN - MCI
2 stops26h 30mSpirit Airlines
Deal found 11/22$378

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 24, 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

Wed 1/21

6:00 am-6:47 pm

2 stops11h 47m

Cancun

Wed 1/28

1:40 pm-8:37 pm

1 stop7h 57m

$343

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 1/13

8:05 am-3:35 pm

1 stop6h 30m

Cancun

Fri 1/16

4:51 pm-10:00 pm

1 stop6h 09m

$343

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 2/3

6:10 am-3:15 pm

1 stop8h 05m

Cancun

Tue 3/3

12:42 pm-11:36 pm

2 stops11h 54m

$343

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Wed 2/4

5:50 am-8:02 pm

2 stops13h 12m

Cancun

Wed 2/11

12:42 pm-11:51 pm

2 stops12h 09m

$353

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Tue 1/20

7:00 am-8:00 pm

2 stops12h 00m

Cancun

Fri 1/23

5:45 pm-11:51 pm

1 stop7h 06m

$353

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 1/25

5:50 am-4:35 pm

1 stop9h 45m

Cancun

Thu 1/29

12:15 pm-10:02 pm

1 stop10h 47m

$353

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 2/22

5:35 am-6:47 pm

2 stops12h 12m

Cancun

Thu 2/26

1:40 pm-9:58 pm

1 stop9h 18m

$353

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Fri 2/6

10:44 am-9:11 pm

1 stop9h 27m

Cancun

Wed 2/11

3:13 pm-10:02 pm

1 stop7h 49m

$356

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Tue 2/10

8:05 am-3:30 pm

1 stop6h 25m

Cancun

Sun 2/15

8:00 am-9:58 pm

1 stop14h 58m

$356

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Fri 1/23

5:50 am-6:47 pm

2 stops11h 57m

Cancun

Tue 1/27

11:15 am-11:51 pm

2 stops13h 36m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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 $168). Flying from Missouri to Mexico in June is currently the most expensive (average of $231). 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 24, 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 8h. Fly via Delta, American Airlines, or United Airlines to get the fastest option. Missouri and Mexico are separated by a distance of 1185 mi. This flight may include one or multiple stops.

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

    $113 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $145 and $145, 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 $168). Flying from Missouri to Mexico in June is currently the most expensive (average of $231). 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 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 24, 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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