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Cheap flights from St. Louis to Mexico City from $225

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 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 to Mexico City

The cheapest plane tickets to Mexico City found on KAYAK recently.
5:05 pm - 7:45 pmSTL-MEX
26h 40m1 stop
11:10 am - 11:31 pmMEX-STL
12h 21m1 stop
Tue, Feb 4 - Tue, Feb 11
8:22 am - 7:45 pmSTL-MEX
11h 23m1 stop
9:00 am - 9:16 amMEX-STL
24h 16m1 stop
Sun, Feb 2 - Sun, Feb 9
12:15 pm - 5:10 amSTL-MEX
16h 55m2 stops
11:10 am - 11:43 pmMEX-STL
12h 33m1 stop
Fri, Jan 31 - Tue, Feb 18
5:05 pm - 7:45 pmSTL-MEX
26h 40m1 stop
4:35 am - 2:57 pmMEX-STL
10h 22m1 stop
$474Frontier
Find Deal
Tue, Feb 4 - Mon, Feb 10
6:25 am - 11:20 pmSTL-MEX
16h 55m1 stop
4:35 am - 3:34 pmMEX-STL
10h 59m1 stop
$494Frontier
Find Deal
Fri, Jan 31 - Mon, Feb 17
6:00 am - 4:15 pmSTL-MEX
10h 15m2 stops
10:35 am - 8:01 pmMEX-STL
9h 26m2 stops
$527Aeromexico
Find Deal
Wed, Jan 22 - Mon, Feb 10
11:39 am - 11:59 pmSTL-MEX
12h 20m2 stops
11:55 am - 11:56 pmMEX-STL
11h 01m1 stop
$537American Airlines
Find Deal
Thu, Mar 6 - Thu, Mar 13
6:30 am - 12:43 pmSTL-MEX
7h 13m1 stop
8:55 am - 11:38 pmMEX-STL
13h 43m2 stops
$547Delta
Find Deal
Thu, May 15 - Sun, May 18
6:00 am - 3:00 pmSTL-MEX
10h 00m2 stops
8:55 am - 9:33 pmMEX-STL
11h 38m2 stops
$552Delta
Find Deal
Sat, May 24 - Tue, May 27
10:26 am - 11:25 pmSTL-MEX
12h 59m2 stops
6:00 am - 3:40 pmMEX-STL
8h 40m2 stops
$569Aeromexico
Find Deal
Thu, Mar 6 - Thu, Mar 13
3:50 pm - 12:45 amSTL-MEX
8h 55m1 stop
$225Air Canada
Find Deal
Mon, Jan 20
6:49 pm - 6:45 pmSTL-MEX
23h 56m1 stop
$285Frontier
Find Deal
Wed, Jan 1
10:09 pm - 6:45 pmSTL-MEX
20h 36m1 stop
Sun, Dec 29
10:22 am - 8:00 pmSTL-MEX
9h 38m2 stops
$298Delta
Find Deal
Mon, Jan 20
6:49 pm - 12:15 amSTL-MEX
29h 26m2 stops
Wed, Jan 1
8:10 pm - 10:55 pmSTL-MEX
26h 45m1 stop
Thu, Jan 2
12:15 pm - 12:15 amSTL-MEX
12h 00m3 stops
Wed, Jan 1
10:09 pm - 1:00 amSTL-MEX
26h 51m2 stops
Sun, Dec 29
10:09 pm - 10:55 pmSTL-MEX
48h 46m2 stops
Thu, Jan 2
5:15 pm - 8:40 amSTL-MEX
15h 25m3 stops
Sun, Dec 29
10:09 pm - 6:45 pmSTL-MEX
20h 36m1 stop
12:40 am - 12:10 pmMEX-STL
11h 30m2 stops
Thu, Dec 26 - Sat, Dec 28
1:00 pm - 10:55 amSTL-MEX
21h 55m3 stops
12:40 am - 12:10 pmMEX-STL
11h 30m2 stops
Thu, Dec 26 - Sat, Dec 28
10:09 pm - 6:45 pmSTL-MEX
20h 36m1 stop
7:40 pm - 12:10 pmMEX-STL
16h 30m2 stops
Thu, Dec 26 - Sun, Dec 29
5:15 am - 9:15 pmSTL-MEX
16h 00m1 stop
2:55 pm - 11:51 pmMEX-STL
8h 56m1 stop
$946American Airlines
Find Deal
Thu, Dec 26 - Sun, Dec 29
1:00 pm - 9:45 amSTL-MEX
20h 45m3 stops
3:50 pm - 7:55 pmMEX-STL
28h 05m3 stops
$1,001
Find Deal
Thu, Dec 26 - Sun, Dec 29
1:00 pm - 9:45 amSTL-MEX
20h 45m3 stops
7:40 pm - 7:55 pmMEX-STL
24h 15m2 stops
$1,019
Find Deal
Thu, Dec 26 - Sun, Dec 29
1:00 pm - 3:23 amSTL-MEX
14h 23m2 stops
12:40 am - 12:10 pmMEX-STL
11h 30m2 stops
$1,061
Find Deal
Thu, Dec 26 - Sat, Dec 28
3:50 pm - 12:25 pmSTL-MEX
20h 35m1 stop
4:35 am - 2:08 pmMEX-STL
9h 33m1 stop
$1,088
Find Deal
Thu, Dec 26 - Sat, Dec 28
3:50 pm - 12:25 pmSTL-MEX
20h 35m1 stop
3:50 pm - 12:10 pmMEX-STL
20h 20m3 stops
$1,115
Find Deal
Thu, Dec 26 - Sun, Dec 29

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 16
STL3:50 pmLambert-St Louis
8h 55m
1 stop
MEX12:45 amMexico City Benito Juarez
Jan 20
MEX1:10 amMexico City Benito Juarez
13h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
May 23
STL4:05 pmLambert-St Louis
8h 10m
1 stop
MEX11:15 pmMexico City Benito Juarez
May 25
MEX12:15 amMexico City Benito Juarez
18h 28m
1 stop
STL7:43 pmLambert-St Louis
Air Canada
May 5
STL4:05 pmLambert-St Louis
8h 10m
1 stop
MEX11:15 pmMexico City Benito Juarez
May 11
MEX12:15 amMexico City Benito Juarez
14h 01m
1 stop
STL3:16 pmLambert-St Louis

Delta flights from St. Louis to Mexico City

Our best Delta deals on St. Louis to Mexico City flight tickets
Delta
May 15
STL6:30 amLambert-St Louis
7h 13m
1 stop
MEX12:43 pmMexico City Benito Juarez
May 18
MEX8:55 amMexico City Benito Juarez
13h 43m
2 stops
STL11:38 pmLambert-St Louis
Delta
May 24
STL6:00 amLambert-St Louis
10h 00m
2 stops
MEX3:00 pmMexico City Benito Juarez
May 27
MEX8:55 amMexico City Benito Juarez
11h 38m
2 stops
STL9:33 pmLambert-St Louis
Delta
Feb 2
STL6:00 amLambert-St Louis
10h 05m
2 stops
MEX4:05 pmMexico City Benito Juarez
Feb 9
MEX7:01 amMexico City Benito Juarez
14h 48m
2 stops
STL9:49 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 typical price of a round-trip flight between St. Louis and Mexico City?

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 $525, 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 February instead. Flights to Mexico City in February, while not as cheap as those in May, still average around $539.

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?

In general, most travelers find the cheapest time to book a flight to Mexico City is about 52 days prior to their departure date when tickets on average are $620. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $469.

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

As of December 2024, prices for St. Louis to Mexico City flights are approximately 12% 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

$225

Fastest flight time

6h 30m

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 $225. The best round-trip flight deal from St. Louis to Mexico City found on momondo in the last 72 hours is $338.
The fastest flight from St. Louis to Mexico City takes 6h 30m
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 6h 30m.

  • 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 $476Free CancellationRating
6.1
3,469 reviews
Search Frontier flights
AeromexicoPriceFrom $484Free CancellationRating
7.5
1,913 reviews
Search Aeromexico flights
American AirlinesPriceFrom $503Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $503Free CancellationRating
8.0
8,594 reviews
Search Delta flights
United AirlinesPriceFrom $511Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights

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