St. Louis

$213+ Cheap flights from Mexico City Federal District 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
Mar 16 — Mar 231
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Cheap flight deals from Mexico City Federal District to St. Louis

Cheapest flights from Mexico City Federal District to St. Louis
Explore the most affordable flight options available from Mexico City Federal District to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:40 am
MEX
-
STL
1 stop9h 32m
Frontier
Mon 5/183:02 pm
STL
-
MEX
2 stops20h 43m
Frontier
Deal found 2/11$368
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 5/510:10 pm
MEX
-
STL
1 stop16h 05m
Multiple Airlines
Fri 5/88:12 pm
STL
-
MEX
2 stops26h 48m
Multiple Airlines
Deal found 2/10$395
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:40 am
MEX
-
STL
1 stop9h 32m
Frontier
Tue 4/286:00 am
STL
-
MEX
1 stop11h 40m
Frontier
Deal found 2/11$400
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/238:40 am
MEX
-
STL
1 stop9h 32m
Multiple Airlines
Tue 4/284:55 pm
STL
-
MEX
1 stop27h 50m
Multiple Airlines
Deal found 2/13$401
This Frontier deal was found by Cheapflights users on 2/13. 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.
Fri 4/1711:05 am
MEX
-
STL
2 stops18h 45m
Frontier
Mon 4/203:02 pm
STL
-
MEX
2 stops20h 43m
Frontier
Deal found 2/13$403
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 4/2410:45 pm
MEX
-
STL
2 stops19h 27m
Multiple Airlines
Tue 4/284:55 pm
STL
-
MEX
1 stop27h 50m
Multiple Airlines
Deal found 2/12$407
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/611:05 pm
MEX
-
STL
1 stop15h 09m
Multiple Airlines
Mon 4/136:15 am
STL
-
MEX
1 stop21h 20m
Multiple Airlines
Deal found 2/12$418

Find flight deals from Mexico City Federal District to St. Louis

Keep the following information in mind while searching for Mexico City Federal District to St. Louis flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(Frontier)

One-way from

$213
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$673
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 City Federal District to Lambert-St Louis
One-way flight from Mexico City Federal District to Lambert-St Louis
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico City Federal District 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 February 14, 2026.
Use the filters below to find and compare flights from Mexico City Federal District to St. Louis that are best for you.

Fly from

Mexico City Federal District

Fly to

St. Louis

Route

Depart

Return

Price

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Sat 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Mon 5/18

3:02 pm-10:45 am

2 stops20h 43m

$368

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 5/5

10:10 pm-3:15 pm

1 stop16h 05m

Lambert-St Louis

Fri 5/8

8:12 pm-10:00 pm

2 stops26h 48m

$395

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Thu 4/23

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Tue 4/28

6:00 am-4:40 pm

1 stop11h 40m

$400

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Thu 4/23

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Tue 4/28

4:55 pm-7:45 pm

1 stop27h 50m

$401

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 4/17

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Mon 4/20

3:02 pm-10:45 am

2 stops20h 43m

$403

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 4/24

10:45 pm-7:12 pm

2 stops19h 27m

Lambert-St Louis

Tue 4/28

4:55 pm-7:45 pm

1 stop27h 50m

$407

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 4/6

11:05 pm-3:14 pm

1 stop15h 09m

Lambert-St Louis

Mon 4/13

6:15 am-2:35 am

1 stop21h 20m

$418

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 3/10

8:10 am-9:49 am

1 stop24h 39m

$213

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 4/13

8:45 pm-3:15 pm

1 stop17h 30m

$216

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Wed 4/15

8:45 pm-3:15 pm

1 stop17h 30m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
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Best time to book a flight from Mexico City Federal District to St. Louis

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

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

Currently, January is the cheapest month in which you can book a flight from Mexico City Federal District to St. Louis (average of $435). Flying from Mexico City Federal District to St. Louis in November is currently the most expensive (average of $653). 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.

Related info for your journey

Find useful and relevant information for your journey from Mexico City Federal District 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 City Federal District?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Mexico City Federal District to St. Louis.

  • How long is the flight from Mexico City Federal District to St. Louis?

    Departing from Mexico City Federal District to St. Louis will take you 9h 32m. Mexico City Federal District and St. Louis are separated by a distance of 1431 mi.

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

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

  • How can I find direct flights from Mexico City Federal District 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 City Federal District to St. Louis.

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

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

    Currently, January is the cheapest month in which you can book a flight from Mexico City Federal District to St. Louis (average of $435). Flying from Mexico City Federal District to St. Louis in November is currently the most expensive (average of $653). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Mexico City Federal District to St. Louis

Discover the top airline that operate flights from Mexico City Federal District 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$466Average$577FlexibilityNo cancel feeOn-time69%

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