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$118+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
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 8, 2025.

This CheapOair deal was found by Cheapflights users on 12/6. 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.
sáb. 12/136:00 amSTL - CUN
Nonstop3h 23mFrontier
jue. 12/1812:26 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 12/6$291
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
sáb. 12/66:00 amSTL - CUN
Nonstop3h 23mFrontier
vie. 12/1211:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 12/5$316
This Trip.com deal was found by Cheapflights users on 12/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:00 amSTL - CUN
Nonstop3h 23mMultiple Airlines
dom. 12/2112:26 pmCUN - STL
Nonstop3h 21mMultiple Airlines
Deal found 12/7$317
This Mytrip deal was found by Cheapflights users on 12/6. 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.
lun. 12/84:05 pmSTL - CUN
1 stop17h 45mMultiple Airlines
mar. 12/1611:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 12/6$324
This Booking.com deal was found by Cheapflights users on 12/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:00 amSTL - CUN
Nonstop3h 23mFrontier
sáb. 12/2010:07 amCUN - STL
1 stop24h 33mFrontier
Deal found 12/6$333
This Travelocity deal was found by Cheapflights users on 12/5. 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.
sáb. 12/64:05 pmSTL - CUN
1 stop17h 45mMultiple Airlines
vie. 12/1211:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 12/5$340
This Booking.com deal was found by Cheapflights users on 12/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:42 amSTL - CUN
1 stop26h 06mFrontier
dom. 12/214:58 pmCUN - STL
1 stop18h 04mFrontier
Deal found 12/7$357
This Delta deal was found by Cheapflights users on 12/6. 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.
dom. 12/77:05 amSTL - CUN
1 stop13h 15mDelta
jue. 12/118:00 amCUN - STL
1 stop6h 16mDelta
Deal found 12/6$365
This Mytrip deal was found by Cheapflights users on 12/6. 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.
dom. 12/74:05 pmSTL - CUN
1 stop17h 45mMultiple Airlines
sáb. 12/1311:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 12/6$369
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:00 amMCI - CUN
2 stops8h 50mUnited Airlines
vie. 12/124:51 pmCUN - MCI
1 stop6h 39mUnited Airlines
Deal found 12/7$398
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:15 pmMCI - CUN
2 stops37h 52mSpirit Airlines
mar. 12/302:36 pmCUN - MCI
1 stop27h 34mSpirit Airlines
Deal found 12/7$399
This United Airlines deal was found by Cheapflights users on 12/6. 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.
mié. 12/106:15 amSTL - CZM
1 stop7h 08mUnited Airlines
vie. 12/122:25 pmCZM - STL
1 stop7h 33mUnited Airlines
Deal found 12/6$403

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 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$263
(Super.com)

One-way from

$118
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$810

Good round-trip deal

$317 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
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From Missouri to Mexico
Search Deals
One-way flight from Missouri to Mexico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 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).
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 8, 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

sáb. 1/10

5:00 pm-9:55 am

1 stop15h 55m

Cancun

mié. 1/14

8:00 am-2:48 pm

1 stop7h 48m

$362

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

mar. 1/13

9:59 am-4:35 pm

1 stop5h 36m

Cancun

vie. 1/16

1:43 pm-8:43 pm

1 stop8h 00m

$362

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

sáb. 1/10

5:00 pm-12:00 pm

2 stops18h 00m

Cancun

vie. 1/16

3:13 pm-11:39 pm

1 stop9h 26m

$363

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

lun. 2/2

6:35 am-2:00 pm

1 stop6h 25m

Cancun

mié. 2/4

4:25 pm-11:25 pm

1 stop8h 00m

$371

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

mar. 1/27

6:35 am-2:00 pm

1 stop6h 25m

Cancun

vie. 1/30

11:15 am-11:37 pm

2 stops13h 22m

$371

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

dom. 2/1

6:00 am-6:47 pm

2 stops11h 47m

Cancun

jue. 2/5

5:45 pm-11:37 pm

1 stop6h 52m

$371

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

lun. 2/23

7:00 am-2:09 pm

1 stop8h 09m

San José del Cabo Los Cabos

jue. 2/26

3:14 pm-11:54 pm

1 stop7h 40m

$372

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

lun. 2/16

7:05 am-3:51 pm

1 stop9h 46m

San José del Cabo Los Cabos

vie. 2/20

12:36 pm-11:29 pm

1 stop9h 53m

$372

Kansas CitySan José del Cabo

MCI - SJD

MCISJD

Kansas City

lun. 1/19

5:50 am-5:36 pm

2 stops12h 46m

San José del Cabo Los Cabos

vie. 1/23

1:45 pm-10:02 pm

1 stop7h 17m

$372

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

lun. 1/12

7:10 am-2:03 pm

1 stop5h 53m

Cancun

jue. 1/15

12:05 pm-11:39 pm

2 stops12h 34m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

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 8, 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 16% 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 6h 22m. Fly via Delta, Aeromexico, or American 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.

  • 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

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 diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$337FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$372FlexibilityNo cancel feeOn-time79%
DeltaCheapest$179Average$596FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$218Average$550FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$234Average$457FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$330Average$633FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$364Average$614FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$419Average$651FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$454Average$750FlexibilityNo cancel feeOn-time75%

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