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Cheap flights from St. Louis to Mexico City from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Mexico City departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Mexico City

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Mexico City that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Mexico City.

Cheap last minute flights

Planning a quick getaway from St. Louis to Mexico City? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Mexico City, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Mexico City

Find recent round-trip train or bus tickets from St. Louis to Mexico City.

All round-trip flight deals from St. Louis to Mexico City

The cheapest plane tickets from St. Louis to Mexico City found on KAYAK recently.
7:04 pm - 6:45 pmSTL-MEX
23h 41m1 stop
12:40 am - 8:10 pmMEX-STL
18h 30m2 stops
Wed, Feb 19 - Sun, Mar 23
6:26 pm - 10:05 pmSTL-MEX
27h 39m1 stop
11:10 am - 11:43 pmMEX-STL
12h 33m1 stop
Tue, Feb 18 - Tue, Feb 25
9:55 pm - 5:30 pmSTL-MEX
20h 35m2 stops
7:55 am - 9:05 pmMEX-STL
12h 10m2 stops
$495Frontier
Find Deal
Mon, Apr 28 - Fri, May 2
6:00 am - 11:20 pmSTL-MEX
17h 20m1 stop
11:10 am - 11:49 pmMEX-STL
11h 39m1 stop
$517Frontier
Find Deal
Fri, Mar 7 - Sat, Mar 15
6:00 am - 7:20 pmSTL-MEX
13h 20m2 stops
8:55 am - 9:40 pmMEX-STL
11h 45m2 stops
$558Delta
Find Deal
Sat, Feb 22 - Wed, Mar 26
6:50 am - 4:20 pmSTL-MEX
10h 30m2 stops
3:10 pm - 12:32 amMEX-STL
8h 22m1 stop
$568Delta
Find Deal
Thu, Mar 13 - Mon, Mar 17
7:02 am - 8:50 pmSTL-MEX
14h 48m1 stop
5:45 am - 11:56 pmMEX-STL
17h 11m1 stop
$628American Airlines
Find Deal
Thu, Mar 13 - Mon, Mar 17
5:10 am - 2:15 pmSTL-MEX
10h 05m1 stop
7:00 am - 7:29 pmMEX-STL
11h 29m1 stop
$637American Airlines
Find Deal
Wed, Mar 19 - Sat, Mar 22
6:30 am - 6:55 pmSTL-MEX
12h 25m2 stops
2:15 pm - 2:23 pmMEX-STL
23h 08m2 stops
$705United Airlines
Find Deal
Thu, Feb 20 - Sun, Mar 23
8:40 am - 1:20 pmSTL-MEX
5h 40m1 stop
11:05 am - 8:54 pmMEX-STL
8h 49m1 stop
$728United Airlines
Find Deal
Thu, Mar 20 - Sat, Mar 22
5:20 pm - 7:45 pmSTL-MEX
26h 25m1 stop
Wed, Feb 26
6:26 pm - 11:50 pmSTL-MEX
29h 24m3 stops
Tue, Feb 18
5:15 pm - 5:10 amSTL-MEX
35h 55m2 stops
Thu, Mar 6
3:50 pm - 12:45 amSTL-MEX
8h 55m1 stop
$205Air Canada
Find Deal
Tue, Feb 18
3:50 pm - 12:25 pmSTL-MEX
20h 35m1 stop
$206Air Canada
Find Deal
Thu, Feb 20
5:15 pm - 11:50 pmSTL-MEX
30h 35m3 stops
Thu, Mar 6
12:15 pm - 10:45 amSTL-MEX
22h 30m2 stops
Thu, Feb 20
7:04 pm - 10:05 amSTL-MEX
39h 01m3 stops
Wed, Feb 26
6:26 pm - 9:40 pmSTL-MEX
27h 14m2 stops
Tue, Feb 18
6:43 pm - 6:45 pmSTL-MEX
24h 02m2 stops
Wed, Feb 26
3:50 pm - 12:45 amSTL-MEX
8h 55m1 stop
1:10 am - 3:06 pmMEX-STL
13h 56m1 stop
$453Air Canada
Find Deal
Thu, Jan 23 - Fri, Jan 24
3:50 pm - 12:25 pmSTL-MEX
20h 35m1 stop
11:15 pm - 2:57 pmMEX-STL
15h 42m1 stop
Fri, Jan 24 - Mon, Jan 27
3:50 pm - 12:45 amSTL-MEX
8h 55m1 stop
1:10 am - 3:06 pmMEX-STL
13h 56m1 stop
$513Air Canada
Find Deal
Fri, Jan 24 - Sun, Jan 26
3:50 pm - 12:45 amSTL-MEX
8h 55m1 stop
12:40 am - 12:10 pmMEX-STL
35h 30m2 stops
Thu, Jan 23 - Fri, Jan 24
5:05 pm - 7:45 pmSTL-MEX
26h 40m1 stop
6:40 pm - 12:10 pmMEX-STL
17h 30m2 stops
Thu, Jan 23 - Sat, Jan 25
5:05 pm - 7:45 pmSTL-MEX
26h 40m1 stop
11:10 am - 7:22 amMEX-STL
20h 12m1 stop
Thu, Jan 23 - Sat, Jan 25
10:59 am - 7:55 pmSTL-MEX
8h 56m1 stop
10:35 am - 9:49 pmMEX-STL
11h 14m2 stops
$908Aeromexico
Find Deal
Fri, Jan 24 - Mon, Jan 27
6:00 am - 3:15 pmSTL-MEX
9h 15m1 stop
10:35 am - 9:49 pmMEX-STL
11h 14m2 stops
$918Aeromexico
Find Deal
Fri, Jan 24 - Mon, Jan 27
6:05 am - 2:55 pmSTL-MEX
32h 50m2 stops
12:30 am - 9:06 pmMEX-STL
44h 36m2 stops
$3,968WestJet
Find Deal
Fri, Jan 24 - Sun, Jan 26
1:35 pm - 2:55 pmSTL-MEX
49h 20m2 stops
12:30 am - 9:06 pmMEX-STL
44h 36m2 stops
$4,080WestJet
Find Deal
Fri, Jan 24 - Sun, Jan 26

Air Canada flights from St. Louis to Mexico City

Our best Air Canada deals on St. Louis to Mexico City flight tickets
Air Canada
Jan 23
STL3:50 pmLambert-St Louis
20h 35m
1 stop
MEX12:25 pmMexico City Benito Juarez
Jan 28
MEX1:10 amMexico City Benito Juarez
13h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Feb 18
STL3:50 pmLambert-St Louis
8h 55m
1 stop
MEX12:45 amMexico City Benito Juarez
Mar 24
MEX12:25 pmMexico City Benito Juarez
25h 41m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 24
STL3:50 pmLambert-St Louis
8h 55m
1 stop
MEX12:45 amMexico City Benito Juarez
Jan 26
MEX1:10 amMexico City Benito Juarez
13h 56m
1 stop
STL3:06 pmLambert-St Louis

American Airlines flights from St. Louis to Mexico City

Our best American Airlines deals on St. Louis to Mexico City flight tickets
American Airlines
Mar 13
STL7:02 amLambert-St Louis
14h 48m
1 stop
MEX8:50 pmMexico City Benito Juarez
Mar 17
MEX5:45 amMexico City Benito Juarez
17h 11m
1 stop
STL11:56 pmLambert-St Louis
American Airlines
Mar 19
STL5:10 amLambert-St Louis
10h 05m
1 stop
MEX2:15 pmMexico City Benito Juarez
Mar 22
MEX7:00 amMexico City Benito Juarez
11h 29m
1 stop
STL7:29 pmLambert-St Louis
American Airlines
Mar 19
STL5:10 amLambert-St Louis
10h 20m
2 stops
MEX2:30 pmMexico City Benito Juarez
Mar 22
MEX7:00 amMexico City Benito Juarez
11h 29m
1 stop
STL7:29 pmLambert-St Louis

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 cheapest month to fly to Mexico City?

The cheapest month to fly to Mexico City from St. Louis is in May. Flight prices, which tend to average around $527, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Mexico City from St. Louis during June instead. Flights to Mexico City in June, while not as cheap as those in May, still average around $546.

What is the cheapest day to depart on your flight to Mexico City?

Our data shows that Tuesday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $542. On the other hand, Saturday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $669.

What is the cheapest time of day to depart on your flight to Mexico City?

According to our data, the cheapest time of day to fly to Mexico City is at noon. momondo users have found flights departing from St. Louis to Mexico City at noon for as low as $566. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $621 per ticket.

How far in advance should I book a flight to Mexico City?

You are more likely to see cheaper flights to Mexico City from St. Louis when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $615 when searching 11 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 $528 on momondo.

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

As of January 2025, prices for St. Louis to Mexico City flights are approximately 4% cheaper 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

$158

Fastest flight time

5h 40m

Direct flights

None

Airports in Mexico City

1 airport
The best one-way flight to Mexico City from St. Louis in the past 72 hours is $158. The best round-trip flight deal from St. Louis to Mexico City found on momondo in the last 72 hours is $423.
The fastest flight from St. Louis to Mexico City takes 5h 40m
There are no direct flights from St. Louis to Mexico City. Popular non-direct route for this connection is Lambert-St Louis Airport - Mexico City Benito Juarez Airport.
There is 1 airport near Mexico City: Mexico City Benito Juarez (MEX)

  • 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 5h 40m.

  • 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
FrontierPriceFrom $471Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
AeromexicoPriceFrom $484Free CancellationRating
7.5
1,849 reviews
Search Aeromexico flights
DeltaPriceFrom $503Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $511Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $511Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights

Traveling to a place near Mexico City?

Book flights to Mexico City if you plan to visit one of these locations
Cuernavaca
Tepoztlán
Taxco
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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Airports servicing Mexico City Federal District