Mexico

$124+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Apr 6 — Apr 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Mexico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Sun 3/296:00 am
STL
-
CUN
Nonstop3h 30m
Frontier
Thu 4/211:43 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/4$313
This Travelocity deal was found by Cheapflights users on 3/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Thu 4/234:07 pm
CUN
-
STL
1 stop14h 43m
Frontier
Deal found 3/4$319
This CheapOair deal was found by Cheapflights users on 3/4. 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 5/136:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Tue 5/194:09 pm
CUN
-
STL
1 stop14h 41m
Frontier
Deal found 3/4$320
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 3/286:00 am
STL
-
CUN
Nonstop3h 30m
Frontier
Tue 3/3111:44 am
CUN
-
STL
Nonstop3h 27m
Frontier
Deal found 3/4$324
This Priceline deal was found by Cheapflights users on 3/4. 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.
Sun 4/196:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Wed 4/224:07 pm
CUN
-
STL
1 stop18h 23m
Frontier
Deal found 3/4$328
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 5/98:12 pm
STL
-
CUN
1 stop18h 27m
Frontier
Tue 5/124:09 pm
CUN
-
STL
1 stop14h 41m
Frontier
Deal found 3/3$334
This Frontier deal was found by Cheapflights users on 3/3. 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.
Sun 5/176:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Wed 5/2011:44 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/3$340
This Expedia deal was found by Cheapflights users on 3/3. 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.
Sun 5/106:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Sat 5/1611:44 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/3$342
This Frontier deal was found by Cheapflights users on 3/3. 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 5/166:00 am
STL
-
CUN
Nonstop3h 17m
Frontier
Wed 5/2011:44 am
CUN
-
STL
Nonstop3h 31m
Frontier
Deal found 3/3$343
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/202:15 pm
MCI
-
MEX
1 stop28h 15m
Multiple Airlines
Sat 4/258:40 am
MEX
-
MCI
1 stop27h 50m
Multiple Airlines
Deal found 3/3$358
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 5/72:15 pm
MCI
-
MEX
1 stop28h 15m
Multiple Airlines
Fri 5/1511:05 am
MEX
-
MCI
1 stop29h 01m
Multiple Airlines
Deal found 3/3$365
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 5/36:15 am
MCI
-
SJD
1 stop8h 33m
United Airlines
Thu 5/71:17 pm
SJD
-
MCI
1 stop8h 42m
United Airlines
Deal found 3/3$368

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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$313
(Kiwi.com)

One-way from

$124
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$667

Good round-trip deal

$452 or less

Good one-way deal

$202 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. 13% potential increase in price ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 7, 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

Sun 4/19

7:25 am-8:15 pm

1 stop12h 50m

Cancun

Thu 4/23

3:15 pm-9:19 pm

1 stop6h 04m

$387

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 4/15

7:45 am-2:26 pm

1 stop6h 41m

Cancun

Tue 4/21

12:11 pm-9:13 pm

1 stop9h 02m

$387

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 4/27

6:20 am-6:35 pm

2 stops12h 15m

Cancun

Thu 4/30

9:15 am-11:13 pm

2 stops13h 58m

$407

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 5/16

9:13 am-12:00 pm

2 stops26h 47m

Cancun

Tue 5/19

8:00 am-4:10 pm

1 stop8h 10m

$412

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Sat 4/25

8:01 pm-10:31 am

1 stop16h 30m

San José del Cabo Los Cabos

Sat 5/16

2:59 pm-12:07 am

1 stop7h 08m

$413

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 4/5

6:29 am-6:40 pm

2 stops12h 11m

Cancun

Thu 4/9

12:45 pm-11:25 pm

1 stop10h 40m

$419

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 4/27

6:00 am-4:40 pm

2 stops10h 40m

Cancun

Sat 5/2

11:10 am-11:36 pm

2 stops12h 26m

$432

Kansas CityPuerto Vallarta

MCI - PVR

MCIPVR

Kansas City

Wed 5/13

12:21 pm-11:20 pm

2 stops11h 59m

Puerto Vallarta Ordaz

Wed 5/20

6:00 am-8:47 pm

2 stops13h 47m

$446

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Thu 4/23

7:00 am-8:15 pm

1 stop13h 15m

Cancun

Tue 4/28

9:15 am-10:11 pm

2 stops12h 56m

$452

Kansas CityPuerto Vallarta

MCI - PVR

MCIPVR

Kansas City

Sat 5/2

6:00 am-1:56 pm

2 stops8h 56m

Puerto Vallarta Ordaz

Wed 5/6

1:55 pm-11:59 pm

1 stop9h 04m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, October is the cheapest month in which you can book a flight from Missouri to Mexico (average of $186). Flying from Missouri to Mexico in April is currently the most expensive (average of $288). 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 March 7, 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 41m. Fly via Delta, United Airlines, or American Airlines 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 $113 and $138, 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, October is the cheapest month in which you can book a flight from Missouri to Mexico (average of $186). Flying from Missouri to Mexico in April is currently the most expensive (average of $288). 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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$168Average$526FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$172Average$357FlexibilityNo cancel feeOn-time65%
DeltaCheapest$174Average$598FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$180Average$374FlexibilityNo cancel feeOn-time79%
FrontierCheapest$212Average$454FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$616FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$617FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$404Average$468FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$419Average$622FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$527Average$590FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.