St. Louis

$136+ Cheap flights from Mexico to St. Louis (STL)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
févr. 25 — mars 41
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Cheap flight deals from Mexico to St. Louis

Keep the following information in mind while searching for Mexico to St. Louis flight deals. Data was last updated février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$344
(Mytrip)

One-way from

$136
(Expedia)

Popular in

March

Cheapest in

July

Average price

$482

Good round-trip deal

$174 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Mexico City Benito Juarez-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Lambert-St Louis flights.
From Mexico to Lambert-St Louis
One-way flight from Mexico to Lambert-St Louis
Highest demand for flights based on searches. 9% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Mexico to Lambert-St Louis.
Price to beat on a one-way flight from Mexico to Lambert-St Louis.

Find flight deals from Mexico to St. Louis

Cheapest flights from Mexico to St. Louis
Explore the most affordable flight options available from Mexico to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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.
mer. 5/143:15 pmCUN - STL
1 stop23h 52mFrontier
mer. 5/216:10 amSTL - CUN
Nonstop3h 12mFrontier
Deal found 2/18$344
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
mer. 5/1412:39 pmCUN - STL
Nonstop3h 23mVolaris
mer. 5/216:10 amSTL - CUN
Nonstop3h 12mVolaris
Deal found 2/18$370
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mar. 2/2511:20 amMTY - STL
1 stop30h 23mMultiple Airlines
dim. 3/3012:15 pmSTL - MTY
2 stops9h 50mMultiple Airlines
Deal found 2/19$378
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mar. 3/411:10 amMEX - STL
1 stop12h 33mMultiple Airlines
mar. 3/185:24 pmSTL - MEX
1 stop27h 21mMultiple Airlines
Deal found 2/19$394
This OneTravel deal was found by Cheapflights users on 2/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/811:46 amCUN - STL
Nonstop3h 26mMultiple Airlines
mar. 4/156:11 pmSTL - CUN
2 stops38h 04mMultiple Airlines
Deal found 2/19$402
This United Airlines deal was found by Cheapflights users on 2/20. 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. 4/81:21 pmCZM - STL
1 stop7h 48mUnited Airlines
mar. 4/156:15 amSTL - CZM
1 stop7h 04mUnited Airlines
Deal found 2/20$405
This United Airlines deal was found by Cheapflights users on 2/19. 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. 4/87:51 amCUN - STL
1 stop14h 18mUnited Airlines
mar. 4/156:30 amSTL - CUN
2 stops12h 50mUnited Airlines
Deal found 2/19$407
This Frontier deal was found by Cheapflights users on 2/19. 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.
ven. 3/711:10 amMEX - STL
1 stop12h 39mFrontier
jeu. 3/206:00 amSTL - MEX
1 stop13h 45mFrontier
Deal found 2/19$463
This United Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 5/195:00 amBJX - STL
2 stops17h 58mUnited Airlines
lun. 6/95:27 pmSTL - BJX
2 stops18h 22mUnited Airlines
Deal found 2/19$480
This United Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 4/146:50 amMLM - STL
1 stop26h 06mUnited Airlines
mer. 4/236:15 amSTL - MLM
1 stop12h 58mUnited Airlines
Deal found 2/19$494
This Delta deal was found by Cheapflights users on 2/19. 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.
mer. 7/97:15 amMEX - STL
2 stops10h 57mDelta
mar. 7/2911:51 amSTL - MEX
2 stops10h 04mDelta
Deal found 2/19$499
This OneTravel deal was found by Cheapflights users on 2/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/2311:15 pmMEX - STL
1 stop15h 29mVolaris
mar. 2/256:00 amSTL - MEX
1 stop17h 20mVolaris
Deal found 2/19$517

Find flights from Mexico to St. Louis within your budget

Customize your flight search to find flights from Mexico to St. Louis 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 février 20, 2025.

Fly from

Mexico

Fly to

St. Louis

Route

Depart

Return

Price

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

mer. 5/14

3:15 pm-3:07 pm

1 stop23h 52m

Lambert-St Louis

mer. 5/21

6:10 am-9:22 am

Nonstop3h 12m

$344

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

mer. 5/14

12:39 pm-4:02 pm

Nonstop3h 23m

Lambert-St Louis

mer. 5/21

6:10 am-9:22 am

Nonstop3h 12m

$370

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

mar. 3/4

11:10 am-11:43 pm

1 stop12h 33m

Lambert-St Louis

mar. 3/18

5:24 pm-7:45 pm

1 stop27h 21m

$394

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

mar. 4/8

11:46 am-3:12 pm

Nonstop3h 26m

Lambert-St Louis

mar. 4/15

6:11 pm-8:15 am

2 stops38h 04m

$402

CozumelSt. Louis

CZM - STL

CZMSTL

Cozumel

mar. 4/8

1:21 pm-10:09 pm

1 stop7h 48m

Lambert-St Louis

mar. 4/15

6:15 am-12:19 pm

1 stop7h 04m

$405

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

mar. 4/8

7:51 am-10:09 pm

1 stop14h 18m

Lambert-St Louis

mar. 4/15

6:30 am-7:20 pm

2 stops12h 50m

$407

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

ven. 3/7

11:10 am-11:49 pm

1 stop12h 39m

Lambert-St Louis

jeu. 3/20

6:00 am-6:45 pm

1 stop13h 45m

$463

LeónSt. Louis

BJX - STL

BJXSTL

León Del Bajio

lun. 5/19

5:00 am-11:58 pm

2 stops17h 58m

Lambert-St Louis

lun. 6/9

5:27 pm-10:49 am

2 stops18h 22m

$480

MoreliaSt. Louis

MLM - STL

MLMSTL

Morelia

lun. 4/14

6:50 am-12:20 pm

2 stops28h 30m

Lambert-St Louis

mar. 4/22

9:39 am-6:13 pm

2 stops9h 34m

$494

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

mer. 7/9

7:15 am-7:12 pm

2 stops10h 57m

Lambert-St Louis

mar. 7/29

11:51 am-8:55 pm

2 stops10h 04m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 47 results
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Best time to book a flight from Mexico to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mexico 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.

Travel insights for flights from Mexico to St. Louis

Get recent, data-driven insights about flights from Mexico to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Mexico to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Mexico to St. Louis (average of $311). Flying from Mexico to St. Louis in March is currently the most expensive (average of $356). 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 MX to STL?

Find hourly flight availability from Mexico to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 20, 2025.

When flying from Mexico to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated février 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Aeromexico from Mexico to St. Louis to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

8.0
Very good

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Mexico to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Mexico?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Mexico.

  • What are the cheapest airlines to fly from Mexico to St. Louis one-way?

    One-way options have recently been found by users for as low as $136 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $167 and Volaris from $170 one-way.

  • What are the most popular routes from Mexico to St. Louis?

  • Can I find deals for flights from Mexico to St. Louis that include hotel bookings?

    Yes. In addition to deals on Mexico to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mexico to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico to St. Louis.

  • Can I find deals for business class flights from Mexico to St. Louis?

    Yes. Cheapflights offers flight deals from Mexico to St. Louis 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 Mexico to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Mexico to St. Louis (average of $311). Flying from Mexico to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Mexico?

Book flights to Mexico if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Mexico to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Mexico to St. Louis

Discover the top 2 airlines that operate flights from Mexico to St. Louis. 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$458Average$676FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$491Average$568FlexibilityNo cancel feeOn-time69%
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