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$219+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap 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 September 19, 2025.

Round-trip from

$497
(Frontier)

One-way from

$219
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$507
From Mexico City Federal District to Lambert-St Louis
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One-way flight from Mexico City Federal District to Lambert-St Louis
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/910:00 pmMEX - STL
1 stop17h 26mMultiple Airlines
Tue 1/136:05 amSTL - MEX
1 stop17h 35mMultiple Airlines
Deal found 9/16$359
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/318:10 amMEX - STL
1 stop23h 57mMultiple Airlines
Fri 11/77:45 pmSTL - MEX
2 stops30h 00mMultiple Airlines
Deal found 9/16$373
This Frontier deal was found by Cheapflights users on 9/16. 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 10/268:10 amMEX - STL
1 stop23h 57mFrontier
Sun 11/212:20 pmSTL - MEX
1 stop10h 10mFrontier
Deal found 9/16$425
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/910:00 pmMEX - STL
1 stop17h 26mMultiple Airlines
Mon 1/126:00 amSTL - MEX
1 stop10h 00mMultiple Airlines
Deal found 9/16$426
This Frontier deal was found by Cheapflights users on 9/16. 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.
Tue 12/911:55 amMEX - STL
2 stops22h 07mFrontier
Tue 1/136:05 amSTL - MEX
1 stop11h 05mFrontier
Deal found 9/16$493
This Frontier deal was found by Cheapflights users on 9/17. 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.
Mon 12/17:00 amMEX - STL
1 stop11h 18mFrontier
Sat 2/286:00 amSTL - MEX
1 stop11h 10mFrontier
Deal found 9/17$497
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 12/99:25 amMEX - STL
2 stops14h 03mDelta
Mon 1/126:45 amSTL - MEX
2 stops13h 20mDelta
Deal found 9/16$500
This Aeromexico deal was found by Cheapflights users on 9/16. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:30 amMEX - STL
2 stops11h 28mAeromexico
Tue 1/136:00 amSTL - MEX
2 stops13h 25mAeromexico
Deal found 9/16$504
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 9/198:10 amMEX - STL
1 stop23h 56mMultiple Airlines
Mon 9/227:55 pmSTL - MEX
2 stops25h 05mMultiple Airlines
Deal found 9/17$515
This Aeromexico deal was found by Cheapflights users on 9/17. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:30 amMEX - STL
2 stops10h 16mAeromexico
Sat 2/286:00 amSTL - MEX
1 stop14h 50mAeromexico
Deal found 9/17$524

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 September 19, 2025.
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

Tue 12/9

10:00 pm-3:26 pm

1 stop17h 26m

Lambert-St Louis

Tue 1/13

6:05 am-11:40 pm

1 stop17h 35m

$359

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 10/31

8:10 am-9:07 am

1 stop23h 57m

Lambert-St Louis

Fri 11/7

7:45 pm-5:05 pm

1 stop21h 20m

$403

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/9

10:00 pm-3:26 pm

1 stop17h 26m

Lambert-St Louis

Mon 1/12

6:00 am-4:00 pm

1 stop10h 00m

$426

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/9

11:55 am-10:02 am

2 stops22h 07m

Lambert-St Louis

Tue 1/13

6:05 am-5:10 pm

1 stop11h 05m

$493

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 12/1

7:00 am-6:18 pm

1 stop11h 18m

Lambert-St Louis

Sat 2/28

6:00 am-5:10 pm

1 stop11h 10m

$497

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/9

2:10 pm-9:58 pm

1 stop7h 48m

Lambert-St Louis

Tue 12/30

3:35 pm-9:50 pm

1 stop6h 15m

$500

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 12/8

1:05 am-3:29 pm

1 stop14h 24m

Lambert-St Louis

Tue 1/13

4:05 pm-12:50 am

1 stop8h 45m

$500

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/9

9:25 am-11:28 pm

2 stops14h 03m

Lambert-St Louis

Mon 1/12

6:45 am-8:05 pm

2 stops13h 20m

$500

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/9

10:30 am-9:58 pm

2 stops11h 28m

Lambert-St Louis

Tue 1/13

6:00 am-7:25 pm

2 stops13h 25m

$504

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 12/1

10:30 am-8:46 pm

2 stops10h 16m

Lambert-St Louis

Sat 2/28

6:00 am-8:50 pm

1 stop14h 50m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 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, August is the cheapest month in which you can book a flight from Mexico City Federal District to St. Louis (average of $311). Flying from Mexico City Federal District 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 DF to STL?

Find hourly flight availability from Mexico City Federal District 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 September 19, 2025.

When flying from Mexico City Federal District 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.

How much does it cost to fly round-trip from Mexico City Federal District to St. Louis?

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 22h 07m. 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, August is the cheapest month in which you can book a flight from Mexico City Federal District to St. Louis (average of $311). Flying from Mexico City Federal District 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$491Average$572FlexibilityNo cancel feeOn-time69%

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