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$129+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
ene. 25 — feb. 11
dom. 1/25
dom. 2/1
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 diciembre 26, 2025.

This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:05 amSTL - PVR
1 stop7h 45mDelta
mar. 1/63:10 pmPVR - STL
1 stop8h 15mDelta
Deal found 12/23$385
This Priceline deal was found by Cheapflights users on 12/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:43 pmSTL - CUN
1 stop20h 29mFrontier
mié. 1/712:06 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 12/24$393
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:45 amMCI - CUN
1 stop7h 33mUnited Airlines
jue. 1/17:45 amCUN - MCI
1 stop8h 15mUnited Airlines
Deal found 12/25$410
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/314:05 pmSTL - CUN
1 stop19h 50mAir Canada
mié. 1/710:10 pmCUN - STL
1 stop18h 19mAir Canada
Deal found 12/26$433
This Aeromexico deal was found by Cheapflights users on 12/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:43 amMCI - CUN
2 stops18h 41mAeromexico
jue. 1/18:00 amCUN - MCI
1 stop14h 20mAeromexico
Deal found 12/25$448
This Delta deal was found by Cheapflights users on 12/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:30 amMCI - CUN
1 stop8h 35mDelta
sáb. 2/288:00 amCUN - MCI
1 stop9h 01mDelta
Deal found 12/24$451
This American Airlines deal was found by Cheapflights users on 12/25. 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.
lun. 12/298:02 pmMCI - CUN
1 stop16h 05mAmerican Airlines
mié. 12/314:05 pmCUN - MCI
1 stop9h 49mAmerican Airlines
Deal found 12/25$459
This Delta deal was found by Cheapflights users on 12/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:05 amSTL - PVR
1 stop7h 45mDelta
mié. 12/313:00 pmPVR - STL
1 stop7h 16mDelta
Deal found 12/24$467
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:15 pmMCI - CUN
1 stop18h 16mMultiple Airlines
mié. 1/72:04 pmCUN - MCI
2 stops21h 27mMultiple Airlines
Deal found 12/24$471
This American Airlines deal was found by Cheapflights users on 12/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:01 pmSTL - PVR
1 stop16h 27mAmerican Airlines
mar. 1/64:50 pmPVR - STL
2 stops18h 13mAmerican Airlines
Deal found 12/23$477
This American Airlines deal was found by Cheapflights users on 12/25. 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.
jue. 12/255:40 pmMCI - CUN
1 stop21h 29mAmerican Airlines
mié. 12/3111:50 amCUN - MCI
1 stop14h 04mAmerican Airlines
Deal found 12/25$506
This Delta deal was found by Cheapflights users on 12/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:00 amSTL - CUN
1 stop7h 20mDelta
mié. 1/712:40 pmCUN - STL
1 stop11h 45mDelta
Deal found 12/24$513

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 diciembre 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$275
(Super.com)

One-way from

$129
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$820

Good round-trip deal

$349 or less

Good one-way deal

$218 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
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 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).
Search Deals
Average for round-trip flights in December 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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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 diciembre 26, 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. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

dom. 2/15

3:49 pm-7:45 pm

1 stop27h 56m

Mexico City Benito Juarez

vie. 2/20

10:00 pm-11:59 pm

2 stops25h 59m

$357

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

sáb. 1/31

5:42 pm-7:45 pm

1 stop26h 03m

Mexico City Benito Juarez

mié. 2/4

11:10 am-11:33 pm

1 stop12h 23m

$369

St. LouisPuerto Vallarta

STL - PVR

STLPVR

Lambert-St Louis

sáb. 1/10

6:00 am-1:12 pm

1 stop7h 12m

Puerto Vallarta Ordaz

sáb. 1/17

3:50 pm-8:53 am

1 stop17h 03m

$384

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

sáb. 1/24

7:00 am-8:05 pm

1 stop13h 05m

Mexico City Benito Juarez

lun. 2/9

10:20 pm-3:44 pm

2 stops41h 24m

$384

St. LouisPuerto Vallarta

STL - PVR

STLPVR

Lambert-St Louis

mar. 12/30

6:05 am-1:50 pm

1 stop7h 45m

Puerto Vallarta Ordaz

mar. 1/6

3:10 pm-11:25 pm

1 stop8h 15m

$385

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

lun. 2/16

3:49 pm-7:45 pm

1 stop27h 56m

Mexico City Benito Juarez

vie. 2/20

10:50 pm-11:59 pm

2 stops25h 09m

$389

St. LouisPuerto Vallarta

STL - PVR

STLPVR

Lambert-St Louis

dom. 1/11

6:00 am-1:12 pm

1 stop7h 12m

Puerto Vallarta Ordaz

jue. 1/15

2:22 pm-11:39 pm

1 stop9h 17m

$392

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

sáb. 1/31

7:00 am-8:05 pm

1 stop13h 05m

Mexico City Benito Juarez

dom. 2/1

7:00 am-7:51 pm

2 stops12h 51m

$395

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

lun. 3/23

6:29 am-6:47 pm

2 stops12h 18m

Cancun

vie. 3/27

8:00 am-3:13 pm

1 stop7h 13m

$409

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

lun. 3/9

6:04 am-6:47 pm

2 stops12h 43m

Cancun

vie. 3/13

8:00 am-3:13 pm

1 stop7h 13m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 $158). 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 diciembre 26, 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 at noon.

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 7h 12m. Fly via Delta, Aeromexico, or American Airlines to get the fastest option. Missouri and Mexico are separated by a distance of 1529 mi. This flight may include one or multiple stops.

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

    $142 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 $158). 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

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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 diciembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$326FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$372FlexibilityNo cancel feeOn-time79%
DeltaCheapest$179Average$595FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$218Average$558FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$230Average$456FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$363Average$612FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$365Average$622FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$419Average$650FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$490Average$609FlexibilityNo cancel feeOn-time75%

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