Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Mexico City Federal District to St. Louis from $218

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 12/9. 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.
Search flight deals

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.
Multiple Airlines Logo
10:30 pm - 5:27 pmMEX-STL
42h 57m2 stops
Multiple Airlines Logo
7:45 pm - 5:05 pmSTL-MEX
21h 20m1 stop
$408Multiple Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Multiple Airlines Logo
10:00 pm - 6:00 pmMEX-STL
20h 00m1 stop
Multiple Airlines Logo
7:45 pm - 5:05 pmSTL-MEX
21h 20m1 stop
$425Multiple Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
7:50 am - 3:50 pmMEX-STL
8h 00m1 stop
United Airlines Logo
1:35 pm - 10:30 pmSTL-MEX
8h 55m1 stop
$504United Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Aeromexico Logo
11:55 am - 11:40 pmMEX-STL
11h 45m2 stops
Aeromexico Logo
6:00 am - 4:15 pmSTL-MEX
10h 15m2 stops
$552Aeromexico
Find Deal
Tue, Mar 3 - Wed, Mar 4
Aeromexico Logo
10:35 am - 11:40 pmMEX-STL
13h 05m2 stops
Aeromexico Logo
10:00 am - 8:50 pmSTL-MEX
10h 50m1 stop
$556Aeromexico
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
5:00 am - 6:36 pmMEX-STL
12h 36m1 stop
American Airlines Logo
6:00 am - 1:20 pmSTL-MEX
7h 20m1 stop
$582American Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
Air Canada Logo
1:05 am - 3:29 pmMEX-STL
13h 24m1 stop
Air Canada Logo
4:05 pm - 12:15 pmSTL-MEX
20h 10m1 stop
$628Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air Canada Logo
1:05 am - 3:29 pmMEX-STL
14h 24m1 stop
Air Canada Logo
4:05 pm - 12:50 amSTL-MEX
8h 45m1 stop
$694Air Canada
Find Deal
Mon, Nov 3 - Tue, Nov 11
United Airlines Logo
5:45 pm - 2:25 pmMEX-STL
20h 40m2 stops
United Airlines Logo
2:45 pm - 10:05 amSTL-MEX
19h 20m2 stops
$848United Airlines
Find Deal
Tue, Dec 16 - Wed, Dec 24
American Airlines Logo
12:30 pm - 7:29 pmMEX-STL
6h 59m1 stop
American Airlines Logo
5:16 am - 11:30 amSTL-MEX
6h 14m1 stop
$1,354American Airlines
Find Deal
Wed, Dec 17 - Fri, Dec 26

United Airlines flights from Mexico City Federal District to St. Louis

Our best United Airlines deals on Mexico City Federal District to St. Louis flight tickets
United Airlines
Nov 19
MEX7:50 amMexico City Benito Juarez
8h 00m
1 stop
STL3:50 pmLambert-St Louis
Nov 26
STL1:35 pmLambert-St Louis
8h 55m
1 stop
MEX10:30 pmMexico City Benito Juarez
$504
Find similar
United Airlines
Dec 16
MEX5:45 pmMexico City Benito Juarez
20h 40m
2 stops
STL2:25 pmLambert-St Louis
Dec 24
STL2:45 pmLambert-St Louis
19h 20m
2 stops
MEX10:05 amMexico City Benito Juarez
$848
Find similar
United Airlines
Dec 15
MEX9:05 amMexico City Benito Juarez
11h 52m
1 stop
STL8:57 pmLambert-St Louis
Dec 26
STL6:00 amLambert-St Louis
12h 55m
1 stop
MEX6:55 pmMexico City Benito Juarez
$852
Find similar

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
Mar 3
MEX11:55 amMexico City Benito Juarez
11h 45m
2 stops
STL11:40 pmLambert-St Louis
Mar 4
STL6:00 amLambert-St Louis
10h 15m
2 stops
MEX4:15 pmMexico City Benito Juarez
$552
Find similar
Aeromexico
Mar 3
MEX10:35 amMexico City Benito Juarez
13h 05m
2 stops
STL11:40 pmLambert-St Louis
Mar 4
STL10:00 amLambert-St Louis
10h 50m
1 stop
MEX8:50 pmMexico City Benito Juarez
$556
Find similar
Aeromexico
Oct 29
MEX1:10 pmMexico City Benito Juarez
7h 54m
1 stop
STL10:04 pmLambert-St Louis
Nov 4
STL6:00 amLambert-St Louis
9h 30m
2 stops
MEX3:30 pmMexico City Benito Juarez
$608
Find similar

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 October 6, 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

Fly to

Route

Depart

Return

Price

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 11/4

10:30 pm-5:27 pm

2 stops42h 57m

Lambert-St Louis

Tue 11/11

7:45 pm-5:05 pm

1 stop21h 20m

$408

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 11/4

10:00 pm-6:00 pm

1 stop20h 00m

Lambert-St Louis

Tue 11/11

7:45 pm-5:05 pm

1 stop21h 20m

$425

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Wed 11/19

7:50 am-3:50 pm

1 stop8h 00m

Lambert-St Louis

Wed 11/26

1:35 pm-10:30 pm

1 stop8h 55m

$504

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 3/3

11:55 am-11:40 pm

2 stops11h 45m

Lambert-St Louis

Wed 3/4

6:00 am-4:15 pm

2 stops10h 15m

$552

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 3/3

10:35 am-11:40 pm

2 stops13h 05m

Lambert-St Louis

Wed 3/4

10:00 am-8:50 pm

1 stop10h 50m

$556

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Wed 10/29

5:00 am-6:36 pm

1 stop12h 36m

Lambert-St Louis

Tue 11/4

6:00 am-1:20 pm

1 stop7h 20m

$582

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 10/28

1:05 am-3:29 pm

1 stop13h 24m

Lambert-St Louis

Tue 11/4

4:05 pm-12:15 pm

1 stop20h 10m

$628

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Mon 11/3

1:05 am-3:29 pm

1 stop14h 24m

Lambert-St Louis

Tue 11/11

4:05 pm-12:50 am

1 stop8h 45m

$694

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Tue 12/16

5:45 pm-2:25 pm

2 stops20h 40m

Lambert-St Louis

Wed 12/24

2:45 pm-10:05 am

2 stops19h 20m

$848

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Wed 12/17

12:30 pm-7:29 pm

1 stop6h 59m

Lambert-St Louis

Fri 12/26

5:16 am-11:30 am

1 stop6h 14m

$1,354

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, March 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 $449. The month of September is another great option to travel to St. Louis, with average flight prices from Mexico City Federal District averaging around $507.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $465. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $778. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Mexico City Federal District at noon is the least expensive time of day to depart. momondo users have found prices as low as $465 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $695 per ticket.

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

Direct flights

None
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.
Search flight deals

  • 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 $491Free CancellationRating
7.4
8,953 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
Collinsville
Fenton
Wentzville
St. Peters
Alton
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/5
Wed 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States