Cheap flights from Mexico City Federal District to St. Louis from $209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mexico City Federal District to St. Louis departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Mexico City Federal District to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Frontier Logo
3:02 pm - 10:45 pm
STL
-
MEX
8h 43m
1 stop
$359Frontier
週六, 5月 16 - 週一, 5月 18
Multiple Airlines Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Multiple Airlines Logo
8:12 pm - 5:30 pm
STL
-
MEX
22h 18m
1 stop
$383Multiple Airlines
週六, 5月 16 - 週一, 5月 18
Multiple Airlines Logo
11:05 am - 11:19 pm
MEX
-
STL
11h 14m
1 stop
Multiple Airlines Logo
8:06 pm - 5:30 pm
STL
-
MEX
22h 24m
1 stop
$387Multiple Airlines
週五, 4月 17 - 週五, 4月 24
Multiple Airlines Logo
10:45 pm - 7:32 pm
MEX
-
STL
19h 47m
2 stops
Multiple Airlines Logo
8:06 pm - 5:30 pm
STL
-
MEX
22h 24m
1 stop
$393Multiple Airlines
週五, 4月 17 - 週五, 4月 24
Frontier Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Frontier Logo
3:02 pm - 10:45 am
STL
-
MEX
20h 43m
2 stops
$395Frontier
週六, 5月 16 - 週一, 5月 18
Frontier Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Frontier Logo
3:02 pm - 10:45 am
STL
-
MEX
20h 43m
2 stops
$402Frontier
週六, 5月 16 - 週一, 5月 18
Frontier Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Frontier Logo
3:02 pm - 10:45 pm
STL
-
MEX
8h 43m
1 stop
$410Frontier
週六, 5月 16 - 週一, 5月 18
Frontier Logo
11:05 am - 11:19 pm
MEX
-
STL
11h 14m
1 stop
Frontier Logo
3:02 pm - 10:45 pm
STL
-
MEX
8h 43m
1 stop
$416Frontier
週六, 5月 16 - 週一, 5月 18
Frontier Logo
8:40 am - 7:12 pm
MEX
-
STL
9h 32m
1 stop
Frontier Logo
3:02 pm - 10:45 am
STL
-
MEX
20h 43m
2 stops
$420Frontier
週六, 5月 16 - 週一, 5月 18
Frontier Logo
11:05 am - 11:19 pm
MEX
-
STL
11h 14m
1 stop
Frontier Logo
3:02 pm - 10:45 am
STL
-
MEX
20h 43m
2 stops
$425Frontier
週六, 5月 16 - 週一, 5月 18

Aeromexico flights from Mexico City Federal District to St. Louis

Our best Aeromexico deals on Mexico City Federal District to St. Louis flight tickets
Aeromexico
Aug 6
MEX7:05 amMexico City Benito Juarez
7h 53m
1 stop
STL3:58 pmLambert-St Louis
Aug 10
STL6:00 amLambert-St Louis
11h 00m
2 stops
MEX4:00 pmMexico City Benito Juarez
$536
Aeromexico
Aug 6
MEX6:01 amMexico City Benito Juarez
8h 57m
2 stops
STL3:58 pmLambert-St Louis
Aug 10
STL7:20 amLambert-St Louis
7h 35m
1 stop
MEX1:55 pmMexico City Benito Juarez
$550
Aeromexico
Aug 6
MEX7:05 amMexico City Benito Juarez
9h 57m
1 stop
STL6:02 pmLambert-St Louis
Aug 10
STL6:00 amLambert-St Louis
11h 00m
2 stops
MEX4:00 pmMexico City Benito Juarez
$553

Frontier flights from Mexico City Federal District to St. Louis

Our best Frontier deals on Mexico City Federal District to St. Louis flight tickets
Frontier
May 16
MEX8:40 amMexico City Benito Juarez
9h 32m
1 stop
STL7:12 pmLambert-St Louis
May 18
STL3:02 pmLambert-St Louis
8h 43m
1 stop
MEX10:45 pmMexico City Benito Juarez
$359
Frontier
May 16
MEX8:40 amMexico City Benito Juarez
9h 32m
1 stop
STL7:12 pmLambert-St Louis
May 18
STL3:02 pmLambert-St Louis
20h 43m
2 stops
MEX10:45 amMexico City Benito Juarez
$395
Frontier
May 16
MEX8:40 amMexico City Benito Juarez
9h 32m
1 stop
STL7:12 pmLambert-St Louis
May 18
STL3:02 pmLambert-St Louis
20h 43m
2 stops
MEX10:45 amMexico City Benito Juarez
$402

momondo 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, momondo users made 832,500 searches. Data last updated 3月 7, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 pm

1 stop8h 43m

$359

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

8:12 pm-5:30 pm

1 stop22h 18m

$383

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週五 4/17

11:05 am-11:19 pm

1 stop11h 14m

Lambert-St Louis

週五 4/24

8:06 pm-5:30 pm

1 stop22h 24m

$387

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週五 4/17

10:45 pm-7:32 pm

2 stops19h 47m

Lambert-St Louis

週五 4/24

8:06 pm-5:30 pm

1 stop22h 24m

$393

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 am

2 stops20h 43m

$395

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 am

2 stops20h 43m

$402

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 pm

1 stop8h 43m

$410

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

11:05 am-11:19 pm

1 stop11h 14m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 pm

1 stop8h 43m

$416

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 am

2 stops20h 43m

$420

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

週六 5/16

11:05 am-11:19 pm

1 stop11h 14m

Lambert-St Louis

週一 5/18

3:02 pm-10:45 am

2 stops20h 43m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Mexico City Federal District to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, September is the cheapest month to fly from Mexico City Federal District to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. The month of March is another great option to travel to St. Louis, with average flight prices from Mexico City Federal District averaging around $550.

Cheap Mexico City Federal District to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Mexico City Federal District to St. Louis

Fastest flight time

17h 34m

Direct flights

None
The fastest flight from Mexico City Federal District to St. Louis takes 17h 34m
There are no direct flights from Mexico City Federal District to St. Louis. There are no popular flight routes from Mexico City Federal District to St. Louis.
  • When did momondo last update prices for flights from Mexico City Federal District to Lambert-St Louis Airport?

    Prices for flights from Mexico City Federal District to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Mexico City Federal District to Lambert-St Louis Airport?

  • How old do you have to be to fly from Mexico City Federal District to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Mexico City Federal District to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Mexico City Federal District to St. Louis

Compare and see reviews for airlines that fly from Mexico City Federal District to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $466Free CancellationRating
7.4
9,404 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Mexico City Federal District to St. Louis?

It is quick and easy to find Mexico City Federal District to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Mexico City Federal District to St. Louis with flexible booking policies on momondo?

Flights from Mexico City Federal District to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Mexico City Federal District to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Mexico City Federal District.

I’m not ready to book a flight from Mexico City Federal District to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Mexico City Federal District to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
週一 4/6
週一 4/13

Find better results for your trip to the United States