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$109+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$303
(FlightHub)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$649

Good round-trip deal

$300 or less

Good one-way deal

$243 or less
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. 6% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:30 pmSTL - CUN
1 stop18h 03mSpirit Airlines
Sat 8/231:42 pmCUN - STL
1 stop19h 58mSpirit Airlines
Deal found 7/1$303
This CheapOair deal was found by Cheapflights users on 7/2. 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.
Fri 8/2210:26 amSTL - CUN
Nonstop3h 20mVolaris
Sun 8/243:01 pmCUN - STL
Nonstop3h 08mVolaris
Deal found 7/2$304
This Priceline deal was found by Cheapflights users on 7/1. 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 8/114:23 pmMCI - CUN
1 stop15h 54mMultiple Airlines
Thu 8/143:25 pmCUN - MCI
1 stop27h 39mMultiple Airlines
Deal found 7/1$310
This CheapOair deal was found by Cheapflights users on 7/2. 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 10/287:37 pmSTL - CUN
1 stop15h 56mMultiple Airlines
Tue 11/43:50 pmCUN - STL
Nonstop3h 17mMultiple Airlines
Deal found 7/2$311
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:23 pmMCI - CUN
1 stop15h 54mSpirit Airlines
Sat 8/99:13 amCUN - MCI
1 stop12h 13mSpirit Airlines
Deal found 7/1$311
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 9/25:00 amSGF - CUN
1 stop8h 49mAmerican Airlines
Tue 9/912:20 pmCUN - SGF
1 stop8h 23mAmerican Airlines
Deal found 7/1$324
This Priceline deal was found by Cheapflights users on 7/2. 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.
Thu 7/315:40 pmSTL - CUN
1 stop14h 08mFrontier
Thu 8/710:37 amCUN - STL
1 stop8h 46mFrontier
Deal found 7/2$349
This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:00 amMCI - SJD
1 stop8h 10mAeromexico
Tue 8/512:27 pmSJD - MCI
1 stop8h 29mAeromexico
Deal found 7/1$359
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/182:56 pmMCI - MEX
1 stop15h 24mMultiple Airlines
Thu 8/287:45 pmMEX - MCI
1 stop17h 16mMultiple Airlines
Deal found 7/2$374
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 10/279:00 amSGF - CUN
1 stop6h 00mUnited Airlines
Fri 10/315:30 amCUN - SGF
2 stops10h 52mUnited Airlines
Deal found 7/2$375
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/196:30 pmMCI - SJD
1 stop16h 15mAmerican Airlines
Fri 7/2511:41 amSJD - MCI
1 stop7h 32mAmerican Airlines
Deal found 6/30$378
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:40 amMCI - SJD
1 stop6h 57mDelta
Fri 8/112:42 pmSJD - MCI
1 stop9h 39mDelta
Deal found 7/3$379

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 July 3, 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

Fri 8/22

2:30 pm-8:33 am

1 stop18h 03m

Cancun

Sat 8/23

1:42 pm-9:40 am

1 stop19h 58m

$303

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Fri 8/22

10:26 am-1:46 pm

Nonstop3h 20m

Cancun

Sun 8/24

3:01 pm-6:09 pm

Nonstop3h 08m

$304

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Mon 8/11

4:23 pm-8:17 am

1 stop15h 54m

Cancun

Thu 8/14

3:25 pm-7:04 pm

1 stop27h 39m

$310

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 10/28

7:37 pm-11:33 am

1 stop15h 56m

Cancun

Tue 11/4

3:50 pm-6:07 pm

Nonstop3h 17m

$311

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sat 8/2

4:23 pm-8:17 am

1 stop15h 54m

Cancun

Sat 8/9

9:13 am-9:26 pm

1 stop12h 13m

$311

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Tue 9/2

5:00 am-1:49 pm

1 stop8h 49m

Cancun

Tue 9/9

12:20 pm-8:43 pm

1 stop8h 23m

$324

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 7/31

5:40 pm-7:48 am

1 stop14h 08m

Cancun

Thu 8/7

10:37 am-7:23 pm

1 stop8h 46m

$349

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

Tue 7/29

7:00 am-1:10 pm

1 stop8h 10m

San José del Cabo Los Cabos

Tue 8/5

12:27 pm-10:56 pm

1 stop8h 29m

$359

Kansas CityMexico City

MCI - MEX

MCIMEX

Kansas City

Mon 8/18

2:56 pm-5:20 am

1 stop15h 24m

Mexico City Benito Juarez

Thu 8/28

7:45 pm-2:01 pm

1 stop17h 16m

$374

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Mon 10/27

9:00 am-3:00 pm

1 stop6h 00m

Cancun

Fri 10/31

5:30 am-4:22 pm

2 stops10h 52m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, May is the cheapest month in which you can book a flight from Missouri to Mexico (average of $388). Flying from Missouri to Mexico in December is currently the most expensive (average of $615). 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 July 3, 2025.

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.

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Missouri to Mexico by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Aeromexico
7.5
Good
1,718 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

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

    $109 is the cheapest one-way deal found within the past few days, from Volaris. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $130 and $149, 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, May is the cheapest month in which you can book a flight from Missouri to Mexico (average of $388). Flying from Missouri to Mexico in December is currently the most expensive (average of $615). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$331FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$372FlexibilityNo cancel feeOn-time79%
DeltaCheapest$225Average$577FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$243Average$523FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$291Average$548FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$297Average$607FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$306Average$612FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$398Average$635FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$474Average$684FlexibilityNo cancel feeOn-time63%

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