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Cheap flights from Mexico City Federal District to St. Louis from $192

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 9/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 7:17 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
9h 37m1 stop Denver Intl
Frontier Logo
12:17 pm - 9:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 28m1 stop Las Vegas Harry Reid Intl
$335Frontier
Wed, Sep 30 - Sat, Oct 3
Frontier Logo
8:40 am - 7:17 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
9h 37m1 stop Denver Intl
Frontier Logo
12:17 pm - 9:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 28m1 stop Las Vegas Harry Reid Intl
$336Frontier
Wed, Sep 30 - Sat, Oct 3
Multiple Airlines Logo
11:05 am - 4:34 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
28h 29m1 stop Orlando
Multiple Airlines Logo
10:20 am - 10:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
13h 25m1 stop Dallas/Fort Worth
$363Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
11:05 am - 1:10 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
25h 05m2 stops Orlando Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:20 am - 10:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
13h 25m1 stop Dallas/Fort Worth
$370Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Delta Logo
8:35 am - 8:37 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
12h 02m2 stops Raleigh-Durham Detroit Metropolitan Wayne County
Delta Logo
10:45 am - 10:35 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
11h 50m2 stops Detroit Metropolitan Wayne County Houston George Bush Intcntl
$582Delta
Sat, Jan 16 - Wed, Jan 27
Delta Logo
10:10 am - 11:18 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
13h 08m2 stops Austin Bergstrom Minneapolis St Paul
Delta Logo
7:20 am - 3:15 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
7h 55m1 stop Atlanta Hartsfield-Jackson
$582Delta
Sat, Jan 16 - Wed, Jan 27
United Airlines Logo
8:10 am - 7:40 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
11h 30m1 stop Newark
United Airlines Logo
4:17 pm - 10:30 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
6h 13m1 stop Houston George Bush Intcntl
$582United Airlines
Sat, Jan 16 - Wed, Jan 27
United Airlines Logo
4:40 am - 3:43 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
10h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
8:00 am - 3:40 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
8h 40m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$583United Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
4:35 pm - 11:39 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 04m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 4:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
9h 35m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
$583Delta
Wed, Dec 23 - Sat, Jan 2
United Airlines Logo
11:35 am - 8:16 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 41m1 stop Houston George Bush Intcntl
United Airlines Logo
1:25 pm - 11:10 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$583United Airlines
Wed, Sep 30 - Sat, Oct 3

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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
Sep 30
MEX8:40 amMexico City Benito Juarez
9h 37m
1 stop
STL7:17 pmLambert-St Louis
Oct 3
STL12:17 pmLambert-St Louis
10h 28m
1 stop
MEX9:45 pmMexico City Benito Juarez
$335
Frontier
Sep 30
MEX8:40 amMexico City Benito Juarez
9h 37m
1 stop
STL7:17 pmLambert-St Louis
Oct 3
STL12:17 pmLambert-St Louis
10h 28m
1 stop
MEX9:45 pmMexico City Benito Juarez
$336
Frontier
Oct 15
MEX7:00 amMexico City Benito Juarez
9h 46m
1 stop
STL5:46 pmLambert-St Louis
Oct 19
STL6:41 pmLambert-St Louis
17h 04m
2 stops
MEX10:45 amMexico City Benito Juarez
$382

Delta flights from Mexico City Federal District to St. Louis

Our best Delta deals on Mexico City Federal District to St. Louis flight tickets
Delta
Sep 26
MEX8:50 amMexico City Benito Juarez
13h 52m
2 stops
STL11:42 pmLambert-St Louis
Oct 3
STL6:15 amLambert-St Louis
12h 40m
2 stops
MEX5:55 pmMexico City Benito Juarez
$613
Delta
Oct 15
MEX9:15 amMexico City Benito Juarez
13h 39m
2 stops
STL11:54 pmLambert-St Louis
Oct 19
STL10:14 amLambert-St Louis
11h 41m
2 stops
MEX8:55 pmMexico City Benito Juarez
$616
Delta
Oct 15
MEX9:15 amMexico City Benito Juarez
13h 39m
2 stops
STL11:54 pmLambert-St Louis
Oct 19
STL10:14 amLambert-St Louis
11h 41m
2 stops
MEX8:55 pmMexico City Benito Juarez
$618

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 August 10, 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

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Wed 9/30

8:40 am-7:17 pm

1 stop9h 37m

Lambert-St Louis

Sat 10/3

12:17 pm-9:45 pm

1 stop10h 28m

$335

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Wed 9/30

8:40 am-7:17 pm

1 stop9h 37m

Lambert-St Louis

Sat 10/3

12:17 pm-9:45 pm

1 stop10h 28m

$336

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Thu 9/24

11:05 am-4:34 pm

1 stop28h 29m

Lambert-St Louis

Thu 10/1

10:20 am-10:45 pm

1 stop13h 25m

$363

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Thu 9/24

11:05 am-1:10 pm

2 stops25h 05m

Lambert-St Louis

Thu 10/1

10:20 am-10:45 pm

1 stop13h 25m

$370

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Sat 1/16

8:35 am-8:37 pm

2 stops12h 02m

Lambert-St Louis

Wed 1/27

10:45 am-10:35 pm

2 stops11h 50m

$582

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Sat 1/16

10:10 am-11:18 pm

2 stops13h 08m

Lambert-St Louis

Wed 1/27

7:20 am-3:15 pm

1 stop7h 55m

$582

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Sat 1/16

8:10 am-7:40 pm

1 stop11h 30m

Lambert-St Louis

Wed 1/27

4:17 pm-10:30 pm

1 stop6h 13m

$582

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Wed 9/30

4:40 am-3:43 pm

2 stops10h 03m

Lambert-St Louis

Sat 10/3

8:00 am-3:40 pm

2 stops8h 40m

$583
Quickest round-trip

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Wed 12/23

4:35 pm-11:39 pm

1 stop7h 04m

Lambert-St Louis

Sat 1/2

7:20 am-4:55 pm

2 stops9h 35m

$583

Mexico CitySt. Louis

MEX Mexico City Benito Juarez - STL Lambert-St Louis

MEXSTL

Mexico City Benito Juarez

Wed 9/30

11:35 am-8:16 pm

1 stop7h 41m

Lambert-St Louis

Sat 10/3

1:25 pm-11:10 pm

2 stops10h 45m

$583

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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, May 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 $477. 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.

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

7h 04m

Direct flights

None
The fastest flight from Mexico City Federal District to St. Louis takes 7h 04m
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.
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Frequently asked questions about flying 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
10,099 reviews
Search United Airlines flights
DeltaPriceFrom $521Free CancellationRating
7.8
8,497 reviews
Search Delta 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
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
Eureka
Edwardsville
Litchfield
Grafton
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.

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