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Cheap flights from St. Louis to Mexico City from $161

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Mexico City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:18 pm - 10:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
30h 27m2 stops Denver Intl Dallas/Fort Worth
Multiple Airlines Logo
8:00 am - 3:23 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 23m1 stop Denver Intl
$394Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Frontier Logo
6:00 am - 11:20 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
17h 20m1 stop Cancun
Frontier Logo
8:00 am - 11:04 amMEX  Mexico City Benito Juarez-STL Lambert-St Louis
27h 04m1 stop Denver Intl
$396Frontier
Tue, Dec 1 - Tue, Dec 8
Volaris Logo
6:00 am - 11:20 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
17h 20m1 stop Cancun
Volaris Logo
6:45 am - 4:33 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
9h 48m1 stop Cancun
$475Volaris
Wed, Dec 2 - Sat, Dec 5
Volaris Logo
12:14 pm - 10:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 31m1 stop Dallas/Fort Worth
Volaris Logo
8:00 am - 7:14 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
11h 14m1 stop Denver Intl
$482Volaris
Mon, Nov 9 - Sat, Nov 14
American Airlines Logo
5:00 am - 7:44 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
14h 44m1 stop Dallas/Fort Worth
American Airlines Logo
6:45 am - 3:44 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
8h 59m1 stop Miami
$595American Airlines
Tue, Dec 1 - Tue, Dec 8
American Airlines Logo
7:01 pm - 9:49 amSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
14h 48m1 stop Dallas/Fort Worth
American Airlines Logo
10:49 am - 10:05 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
11h 16m1 stop Dallas/Fort Worth
$595American Airlines
Mon, Mar 1 - Thu, Mar 4
Delta Logo
6:45 am - 7:30 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
12h 45m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
7:15 am - 8:49 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
13h 34m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$629Delta
Sat, Jan 16 - Mon, Jan 25
United Airlines Logo
6:50 pm - 10:05 amSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
15h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
12:25 pm - 8:53 amMEX  Mexico City Benito Juarez-STL Lambert-St Louis
20h 28m2 stops Houston George Bush Intcntl Newark
$759United Airlines
Sat, Nov 21 - Thu, Nov 26
United Airlines Logo
11:00 am - 4:50 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
5h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
5:50 pm - 10:02 amMEX  Mexico City Benito Juarez-STL Lambert-St Louis
16h 12m1 stop Houston George Bush Intcntl
$806United Airlines
Fri, Nov 13 - Fri, Nov 20
Delta Logo
10:14 am - 10:05 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
12h 51m2 stops Atlanta Hartsfield-Jackson Orlando
Delta Logo
2:20 pm - 11:54 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
9h 34m1 stop Atlanta Hartsfield-Jackson
$846Delta
Wed, Oct 28 - Thu, Nov 5

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Volaris flights from St. Louis to Mexico City

Our best Volaris deals on St. Louis to Mexico City flight tickets
Volaris
Dec 2
STL6:00 amLambert-St Louis
17h 20m
1 stop
MEX11:20 pmMexico City Benito Juarez
Dec 5
MEX6:45 amMexico City Benito Juarez
9h 48m
1 stop
STL4:33 pmLambert-St Louis
$475
Volaris
Nov 9
STL12:14 pmLambert-St Louis
10h 31m
1 stop
MEX10:45 pmMexico City Benito Juarez
Nov 14
MEX8:00 amMexico City Benito Juarez
11h 14m
1 stop
STL7:14 pmLambert-St Louis
$482
Volaris
Feb 18
STL6:00 amLambert-St Louis
17h 20m
1 stop
MEX11:20 pmMexico City Benito Juarez
Feb 23
MEX11:10 amMexico City Benito Juarez
12h 54m
1 stop
STL12:04 amLambert-St Louis
$493

Frontier flights from St. Louis to Mexico City

Our best Frontier deals on St. Louis to Mexico City flight tickets
Frontier
Dec 1
STL6:00 amLambert-St Louis
17h 20m
1 stop
MEX11:20 pmMexico City Benito Juarez
Dec 8
MEX8:00 amMexico City Benito Juarez
27h 04m
1 stop
STL11:04 amLambert-St Louis
$396
Frontier
Nov 5
STL12:14 pmLambert-St Louis
10h 31m
1 stop
MEX10:45 pmMexico City Benito Juarez
Nov 9
MEX9:45 pmMexico City Benito Juarez
17h 01m
1 stop
STL2:46 pmLambert-St Louis
$405
Frontier
Nov 12
STL12:14 pmLambert-St Louis
10h 31m
1 stop
MEX10:45 pmMexico City Benito Juarez
Nov 19
MEX11:10 amMexico City Benito Juarez
12h 06m
1 stop
STL11:16 pmLambert-St Louis
$413

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Wed 11/4

4:18 pm-10:45 pm

2 stops30h 27m

Mexico City Benito Juarez

Wed 11/11

8:00 am-3:23 pm

1 stop7h 23m

$394

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Tue 12/1

6:00 am-11:20 pm

1 stop17h 20m

Mexico City Benito Juarez

Tue 12/8

8:00 am-11:04 am

1 stop27h 04m

$396

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Wed 12/2

6:00 am-11:20 pm

1 stop17h 20m

Mexico City Benito Juarez

Sat 12/5

6:45 am-4:33 pm

1 stop9h 48m

$475
Quickest round-trip

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Mon 11/9

12:14 pm-10:45 pm

1 stop10h 31m

Mexico City Benito Juarez

Sat 11/14

8:00 am-7:14 pm

1 stop11h 14m

$482

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Tue 12/1

5:00 am-7:44 pm

1 stop14h 44m

Mexico City Benito Juarez

Tue 12/8

6:45 am-3:44 pm

1 stop8h 59m

$595

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Mon 3/1

7:01 pm-9:49 am

1 stop14h 48m

Mexico City Benito Juarez

Thu 3/4

10:49 am-10:05 pm

1 stop11h 16m

$595

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Sat 1/16

6:45 am-7:30 pm

2 stops12h 45m

Mexico City Benito Juarez

Mon 1/25

7:15 am-8:49 pm

2 stops13h 34m

$629

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Sat 11/21

6:50 pm-10:05 am

2 stops15h 15m

Mexico City Benito Juarez

Thu 11/26

12:25 pm-8:53 am

2 stops20h 28m

$759

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Fri 11/13

11:00 am-4:50 pm

1 stop5h 50m

Mexico City Benito Juarez

Fri 11/20

5:50 pm-10:02 am

1 stop16h 12m

$806

St. LouisMexico City

STL Lambert-St Louis - MEX Mexico City Benito Juarez

STLMEX

Lambert-St Louis

Wed 10/28

10:14 am-10:05 pm

2 stops12h 51m

Mexico City Benito Juarez

Thu 11/5

2:20 pm-11:54 pm

1 stop9h 34m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Mexico City from

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

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 typical price of a round-trip flight between St. Louis and Mexico City?

Prices are currently low for flights on this route.

Typical prices usually range from $624 to $905.
The lowest price recently found on this route was $394.

What is the cheapest month to fly to Mexico City?

The cheapest month to fly to Mexico City from St. Louis is in April. Flight prices, which tend to average around $572, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Mexico City from St. Louis during May instead. Flights to Mexico City in May, while not as cheap as those in April, still average around $605.

How far in advance should I book a flight from St. Louis to Mexico City?

You are more likely to see cheaper flights to Mexico City from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $699 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from St. Louis for as low as $545 on momondo.

Can stopping save me money on St. Louis to Mexico City flights?

You could potentially save up to 56% on your flight if you consider stops on a St. Louis to Mexico City flight.

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

As of October 2026, prices for St. Louis to Mexico City flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Mexico City

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

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

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

Best Price Found

$161

Fastest flight time

9h 10m

Direct flights

None
The best one-way flight to Mexico City from St. Louis in the past 72 hours is $161. The best round-trip flight deal from St. Louis to Mexico City found on momondo in the last 72 hours is $394.
The fastest flight from St. Louis to Mexico City takes 9h 10m
There are no direct flights from St. Louis to Mexico City. There are no popular flight routes from St. Louis to Mexico City.
Search flight deals

Frequently asked questions about flying from St. Louis to Mexico City

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

    There are 1430.3 mi between Lambert-St Louis and Mexico City Benito Juarez. By plane, this route typically takes 9h 10m.

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

    Prices for flights from Lambert-St Louis Airport to Mexico City Benito Juarez Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Mexico City Benito Juarez Airport.

  • What documentation or ID do you need to fly to Mexico City Benito Juarez Airport?

    The travel and health documents you'll need for your trip to Mexico City Benito Juarez Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Mexico City Benito Juarez Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Mexico City

Compare and see reviews for airlines that fly from St. Louis to Mexico City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $428Free CancellationRating
7.4
10,270 reviews
Search United Airlines flights
DeltaPriceFrom $469Free CancellationRating
7.8
8,619 reviews
Search Delta flights
VolarisPriceFrom $483Free CancellationRating
6.6
1,133 reviews
Search Volaris flights
American AirlinesPriceFrom $583Free CancellationRating
7.0
12,102 reviews
Search American Airlines flights

Traveling to a place near Mexico City?

Book flights to Mexico City if you plan to visit one of these locations
Cuernavaca
Taxco
Tepoztlán
Valle de Bravo

Why use momondo?

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

Finding the right flight to Mexico City from St. Louis 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 Mexico City quick and easy, saving you time and money.

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

Flights from St. Louis to Mexico City 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 St. Louis to Mexico City?

Once all potential St. Louis to Mexico City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Mexico City from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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