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Mexico City Federal District

$148+ Cheap flights from St. Louis (STL) to Mexico City Federal District

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from St. Louis to Mexico City Federal District

Cheapest flights from St. Louis to Mexico City Federal District
Explore the most affordable flight options available from St. Louis to Mexico City Federal District. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/226:05 amSTL - MEX
1 stop7h 35mDelta
Mon 12/292:50 pmMEX - STL
1 stop7h 26mDelta
Deal found 12/16$671
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:45 pmSTL - MEX
1 stop7h 45mUnited Airlines
Sun 12/2810:05 amMEX - STL
1 stop11h 50mUnited Airlines
Deal found 12/17$691
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amSTL - MEX
1 stop7h 45mDelta
Tue 12/2310:25 amMEX - STL
1 stop11h 09mDelta
Deal found 12/17$711
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:22 pmSTL - MEX
1 stop8h 28mDelta
Sun 12/282:50 pmMEX - STL
1 stop7h 26mDelta
Deal found 12/17$731
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/259:00 amSTL - MEX
1 stop13h 30mUnited Airlines
Fri 12/263:20 pmMEX - STL
1 stop6h 35mUnited Airlines
Deal found 12/15$823
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:00 amSTL - MEX
1 stop16h 10mAmerican Airlines
Mon 12/226:00 amMEX - STL
1 stop11h 10mAmerican Airlines
Deal found 12/16$831
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:30 amSTL - MEX
1 stop13h 40mUnited Airlines
Mon 12/229:40 amMEX - STL
1 stop9h 42mUnited Airlines
Deal found 12/16$832

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

Keep the following information in mind while searching for St. Louis to Mexico City Federal District flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$364
(Kiwi.com)

One-way from

$148
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$820
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
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From Lambert-St Louis to Mexico City Federal District
Search Deals
One-way flight from Lambert-St Louis to Mexico City Federal District
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Mexico City Federal District 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 December 18, 2025.
Use the filters below to find and compare flights from St. Louis to Mexico City Federal District that are best for you.

Fly from

St. Louis

Fly to

Mexico City Federal District

Route

Depart

Return

Price

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 2/3

9:59 am-10:30 pm

2 stops12h 31m

Mexico City Benito Juarez

Wed 2/4

8:40 am-8:37 pm

1 stop11h 57m

$388

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sat 1/10

7:43 pm-12:10 pm

2 stops40h 27m

Mexico City Benito Juarez

Thu 1/15

11:00 am-12:40 pm

1 stop25h 40m

$451

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sun 3/8

4:51 pm-7:45 pm

1 stop27h 54m

Mexico City Benito Juarez

Sat 3/14

6:10 pm-3:11 pm

1 stop20h 01m

$472

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sat 1/10

5:11 pm-7:45 pm

1 stop26h 34m

Mexico City Benito Juarez

Sun 1/18

6:20 am-6:51 am

2 stops24h 31m

$480

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sat 1/31

3:46 pm-5:05 pm

1 stop25h 19m

Mexico City Benito Juarez

Mon 2/9

11:10 am-11:33 pm

1 stop12h 23m

$491

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Mon 1/19

6:00 am-5:15 pm

1 stop11h 15m

Mexico City Benito Juarez

Thu 1/22

11:10 am-11:33 pm

1 stop12h 23m

$493

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Mon 2/16

6:00 am-5:15 pm

1 stop11h 15m

Mexico City Benito Juarez

Fri 2/20

11:10 am-12:27 am

1 stop13h 17m

$495

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 4/1

6:00 am-4:40 pm

1 stop11h 40m

Mexico City Benito Juarez

Mon 4/6

11:05 am-10:33 pm

1 stop10h 28m

$516

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 2/11

4:51 pm-10:30 pm

2 stops29h 39m

Mexico City Benito Juarez

Thu 2/26

3:45 pm-1:09 pm

2 stops21h 24m

$518

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 1/16

8:39 am-7:45 pm

1 stop11h 06m

Mexico City Benito Juarez

Tue 1/20

11:10 am-11:33 pm

1 stop12h 23m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 17 results
1
2

Best time to book a flight from St. Louis to Mexico City Federal District

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Mexico City Federal District (average of $471). Flying from St. Louis to Mexico City Federal District in June is currently the most expensive (average of $545). 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 STL to DF?

Find hourly flight availability from St. Louis to Mexico City Federal District. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from St. Louis to Mexico City Federal District by exploring options for tickets in the morning.

Reviews of airlines servicing Mexico City Federal District

Get insights into the airlines that provide service to Mexico City Federal District. 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 City Federal District. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Aeromexico from St. Louis to Mexico City Federal District to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aeromexico
7.4
Good
1,629 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,081 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Mexico City Federal District. 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 from for flights from St. Louis to Mexico City Federal District?

    If you book a flight to Mexico City Federal District from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $196. Users have also found prices from $198 and $304 on Air Canada and United Airlines, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Mexico City Federal District (average of $471). Flying from St. Louis to Mexico City Federal District in June is currently the most expensive (average of $545). 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 St. Louis to Mexico City Federal District

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from St. Louis to Mexico City Federal District

Discover the top 5 airlines that operate flights from St. Louis to Mexico City Federal District. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$471Average$489FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$487Average$578FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$487Average$587FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$537Average$675FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$537Average$644FlexibilityNo cancel feeOn-time69%

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