Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Mexico City to St. Louis from $230

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 to St. Louis departing on 4/28. 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 to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Multiple Airlines Logo
10:11 pm - 9:10 pm
STL
-
MEX
22h 59m
1 stop
$395Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
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
$398Frontier
Sat, May 16 - Mon, May 18
Frontier Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Frontier Logo
6:00 am - 5:15 pm
STL
-
MEX
11h 15m
1 stop
$401Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Frontier Logo
6:00 am - 5:15 pm
STL
-
MEX
11h 15m
1 stop
$402Frontier
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Multiple Airlines Logo
1:54 pm - 9:10 pm
STL
-
MEX
31h 16m
2 stops
$412Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Multiple Airlines Logo
3:49 pm - 7:45 pm
STL
-
MEX
27h 56m
1 stop
$420Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
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
$424Frontier
Sat, May 16 - Mon, May 18
Frontier Logo
7:55 pm - 7:12 pm
MEX
-
STL
22h 17m
2 stops
Frontier Logo
6:00 am - 4:40 pm
STL
-
MEX
11h 40m
1 stop
$436Frontier
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
6:00 am - 12:27 am
MEX
-
STL
18h 27m
2 stops
Multiple Airlines Logo
3:49 pm - 7:45 pm
STL
-
MEX
27h 56m
1 stop
$437Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
11:10 am - 12:27 am
MEX
-
STL
13h 17m
1 stop
Multiple Airlines Logo
10:11 pm - 11:35 pm
STL
-
MEX
25h 24m
2 stops
$438Multiple Airlines
Fri, Feb 27 - Mon, Mar 2

Air Canada flights from Mexico City to St. Louis

Our best Air Canada deals on Mexico City to St. Louis flight tickets
Air Canada
May 21
MEX6:45 amMexico City Benito Juarez
12h 20m
1 stop
STL8:05 pmLambert-St Louis
May 24
STL7:30 amLambert-St Louis
28h 40m
1 stop
MEX11:10 amMexico City Benito Juarez
$514
Air Canada
May 21
MEX6:45 amMexico City Benito Juarez
12h 20m
1 stop
STL8:05 pmLambert-St Louis
May 24
STL7:30 amLambert-St Louis
28h 40m
1 stop
MEX11:10 amMexico City Benito Juarez
$521
Air Canada
Feb 6
MEX1:05 amMexico City Benito Juarez
14h 24m
1 stop
STL3:29 pmLambert-St Louis
Feb 9
STL4:05 pmLambert-St Louis
8h 45m
1 stop
MEX12:50 amMexico City Benito Juarez
$557

United Airlines flights from Mexico City to St. Louis

Our best United Airlines deals on Mexico City to St. Louis flight tickets
United Airlines
May 21
MEX8:05 amMexico City Benito Juarez
11h 37m
1 stop
STL8:42 pmLambert-St Louis
May 24
STL5:29 pmLambert-St Louis
16h 06m
2 stops
MEX8:35 amMexico City Benito Juarez
$520
United Airlines
May 1
MEX4:40 amMexico City Benito Juarez
11h 17m
2 stops
STL4:57 pmLambert-St Louis
May 5
STL8:46 amLambert-St Louis
10h 04m
2 stops
MEX5:50 pmMexico City Benito Juarez
$540
United Airlines
May 21
MEX8:05 amMexico City Benito Juarez
14h 53m
1 stop
STL11:58 pmLambert-St Louis
May 24
STL9:23 amLambert-St Louis
9h 27m
2 stops
MEX5:50 pmMexico City Benito Juarez
$543

momondo Fare Finder

 
Customize your flight search to find flights from Mexico City 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 February 5, 2026.
Use the filters below to find and compare flights from Mexico City 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

Fri 2/27

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 3/2

10:11 pm-9:10 pm

1 stop22h 59m

$395

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Sat 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Mon 5/18

3:02 pm-10:45 am

2 stops20h 43m

$398

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/27

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 3/2

6:00 am-5:15 pm

1 stop11h 15m

$401

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/27

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 3/2

6:00 am-5:15 pm

1 stop11h 15m

$402

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/27

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 3/2

1:54 pm-9:10 pm

2 stops31h 16m

$412

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/20

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 2/23

3:49 pm-7:45 pm

1 stop27h 56m

$420

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Sat 5/16

8:40 am-7:12 pm

1 stop9h 32m

Lambert-St Louis

Mon 5/18

3:02 pm-10:45 am

2 stops20h 43m

$424

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 5/1

7:55 pm-7:12 pm

2 stops22h 17m

Lambert-St Louis

Tue 5/5

6:00 am-4:40 pm

1 stop11h 40m

$436

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/20

6:00 am-12:27 am

2 stops18h 27m

Lambert-St Louis

Mon 2/23

3:49 pm-7:45 pm

1 stop27h 56m

$437

Mexico CitySt. Louis

MEX - STL

MEXSTL

Mexico City Benito Juarez

Fri 2/27

11:10 am-12:27 am

1 stop13h 17m

Lambert-St Louis

Mon 3/2

10:11 pm-11:35 pm

2 stops25h 24m

$438

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 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 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 averaging around $537.

How have Mexico City to St. Louis flight prices changed over time?

As of February 2026, prices for Mexico City to St. Louis flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Mexico City to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Mexico City to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Mexico City to St. Louis (MEX to STL) flight deals and tips

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

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from Mexico City to St. Louis takes 10h 20m
There are no direct flights from Mexico City to St. Louis. There are no popular flight routes from Mexico City to St. Louis.
Search flight deals

  • How far is Mexico City Benito Juarez to Lambert-St Louis by plane?

    The distance between Mexico City Benito Juarez and Lambert-St Louis is about 1430.3 mi. A reasonable flight in good conditions will take 10h 20m.

  • When did momondo last update prices for flights from Mexico City Benito Juarez Airport to Lambert-St Louis Airport?

    Prices for flights from Mexico City Benito Juarez Airport to Lambert-St Louis Airport were last updated today.

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

  • How old do you have to be to fly from Mexico City Benito Juarez Airport 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 Benito Juarez Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Mexico City to St. Louis?

Best airlines flying from Mexico City to St. Louis

Compare and see reviews for airlines that fly from Mexico City to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $466Free CancellationRating
7.4
9,240 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
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from Mexico City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. All flights to St. Louis from Mexico City on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Mexico City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Mexico City 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
Sat 3/7
Sat 3/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States