Mexico

$163+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Jun 11 — Jun 181
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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 12, 2026.

This Delta deal was found by Cheapflights users on 5/9. 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.
Wed 8/129:17 am
STL
-
CUN
1 stop10h 58m
Delta
Tue 8/188:05 am
CUN
-
STL
1 stop8h 12m
Delta
Deal found 5/9$356
This PocketFare deal was found by Cheapflights users on 5/10. 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 PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:30 am
STL
-
MEX
1 stop17h 40m
Frontier
Sat 6/2711:10 am
MEX
-
STL
1 stop26h 27m
Frontier
Deal found 5/10$363
This Expedia deal was found by Cheapflights users on 5/8. 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 7/78:08 pm
STL
-
CUN
1 stop16h 41m
Frontier
Tue 7/143:35 pm
CUN
-
STL
1 stop27h 48m
Frontier
Deal found 5/8$368
This Mytrip deal was found by Cheapflights users on 5/7. 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 6/68:08 pm
STL
-
MEX
1 stop22h 22m
Frontier
Sat 6/138:45 pm
MEX
-
STL
1 stop16h 52m
Frontier
Deal found 5/7$372
This Aeromexico deal was found by Cheapflights users on 5/8. 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.
Wed 10/71:30 pm
STL
-
CUN
2 stops20h 57m
Aeromexico
Thu 10/82:00 pm
CUN
-
STL
1 stop9h 39m
Aeromexico
Deal found 5/8$373
This Trip.com deal was found by Cheapflights users on 5/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:38 pm
STL
-
CUN
1 stop17h 10m
Frontier
Wed 6/173:35 pm
CUN
-
STL
1 stop27h 18m
Frontier
Deal found 5/10$377
This Southwest deal was found by Cheapflights users on 5/11. 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 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
Fri 7/1012:40 pm
CUN
-
STL
Nonstop3h 10m
Southwest
Deal found 5/11$384
This Priceline deal was found by Cheapflights users on 5/8. 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 6/307:46 pm
STL
-
MEX
1 stop26h 59m
Frontier
Tue 7/78:40 am
MEX
-
STL
1 stop9h 43m
Frontier
Deal found 5/8$385
This Priceline deal was found by Cheapflights users on 5/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:45 pm
MCI
-
CUN
1 stop23h 04m
Frontier
Wed 7/223:35 pm
CUN
-
MCI
1 stop21h 20m
Frontier
Deal found 5/10$387
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:45 pm
MCI
-
CUN
1 stop23h 03m
Frontier
Tue 7/143:01 pm
CUN
-
MCI
1 stop26h 20m
Frontier
Deal found 5/10$388
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
-
CUN
1 stop19h 43m
Frontier
Tue 6/163:01 pm
CUN
-
MCI
1 stop26h 20m
Frontier
Deal found 5/10$389
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/85:27 pm
STL
-
CUN
2 stops20h 58m
Frontier
Tue 6/163:35 pm
CUN
-
STL
1 stop27h 48m
Frontier
Deal found 5/10$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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(Travelocity)

One-way from

$163
(Super.com)

Popular in

December

Cheapest in

September

Average price

$594

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.
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. 9% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 12, 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

Thu 6/25

7:08 am-8:25 pm

1 stop13h 17m

Cancun

Thu 7/2

8:00 am-10:18 pm

1 stop14h 18m

$406

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 10/4

6:30 am-7:03 pm

2 stops12h 33m

Cancun

Thu 10/8

11:24 am-11:18 pm

2 stops11h 54m

$406

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 8/12

12:52 pm-8:15 pm

1 stop7h 23m

Cancun

Tue 8/18

8:05 am-2:33 pm

1 stop6h 28m

$422
Quickest round-trip

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 7/26

6:30 am-9:46 am

Nonstop3h 16m

Cancun

Wed 7/29

11:04 am-2:23 pm

Nonstop3h 19m

$423

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 7/14

5:15 am-1:15 pm

1 stop8h 00m

Cancun

Sat 7/18

9:30 am-12:35 pm

Nonstop3h 05m

$448

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 8/2

9:59 am-8:26 pm

2 stops10h 27m

Cancun

Fri 8/7

6:03 am-7:14 pm

2 stops13h 11m

$488

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 6/30

6:30 am-4:40 pm

1 stop11h 10m

Mexico City Benito Juarez

Sun 7/5

8:45 pm-2:23 pm

1 stop16h 38m

$504

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 7/7

6:30 am-4:40 pm

1 stop11h 10m

Mexico City Benito Juarez

Sun 7/12

8:45 pm-2:23 pm

1 stop16h 38m

$504

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sat 7/11

7:05 pm-8:52 am

2 stops15h 47m

San José del Cabo Los Cabos

Wed 7/15

1:44 pm-10:45 pm

1 stop7h 01m

$513

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 7/8

5:40 am-1:55 pm

2 stops8h 15m

Cancun

Wed 7/15

1:00 pm-11:00 pm

2 stops10h 00m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

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 40 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 $866). 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 12, 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 3h 16m. Fly via Delta, Frontier, 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 $866). 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 May 12, 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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