STL - MEX

$159 Find Cheap Flights from St. Louis to Mexico City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$334
Typical prices: $612-$790
Multiple Airlines
Fri 11/9Sun 11/18
STL - MEX • 2 stops
Cheapest one-way
$159
Typical prices: $282-$417
Multiple Airlines
Wed 12/5
STL - MEX • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Mexico City Benito Juarez Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 19% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cancun (CUN)
Cheapest • Avg $487 (round-trip)
Houston George Bush Intcntl (IAH)
Shortest trip • 6h 30m (one-way)
Insights
Insights
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We hope you love your trip to Mexico City Benito Juarez Airport!

Cheap Flights from St. Louis to Mexico City (STL-MEX)

 

Cheap flights from St. Louis to Mexico City with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 9 - Wed, Nov 18
Multiple Airlines Logo
7:59 pm - 4:50 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
20h 51m1 stop Denver Intl
Multiple Airlines Logo
5:50 am - 6:39 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
36h 49m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$353Multiple Airlines
Mon, Nov 9 - Tue, Nov 17
Multiple Airlines Logo
7:59 pm - 4:50 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
20h 51m1 stop Denver Intl
Multiple Airlines Logo
5:50 am - 5:42 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
35h 52m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$369Multiple Airlines
Fri, Jan 29 - Tue, Feb 2
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 - 4:27 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
9h 42m1 stop Cancun
$462Volaris
Thu, Nov 5 - Mon, Nov 9
Volaris Logo
12:14 pm - 10:45 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 31m1 stop Dallas/Fort Worth
Volaris Logo
9:45 pm - 2:46 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
17h 01m1 stop Cancun
$466Volaris
Thu, Jan 7 - Wed, Jan 13
Delta Logo
6:00 am - 4:25 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 25m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth
Delta Logo
8:20 am - 11:39 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
15h 19m2 stops San Antonio Atlanta Hartsfield-Jackson
$619Delta
Thu, Jan 7 - Thu, Jan 14
Delta Logo
11:51 am - 10:50 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
10h 59m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Delta Logo
4:35 pm - 11:39 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 04m1 stop Atlanta Hartsfield-Jackson
$619Delta
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
5:04 am - 9:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
16h 51m1 stop Charlotte Douglas
American Airlines Logo
12:30 pm - 8:27 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 57m1 stop Dallas/Fort Worth
$621American Airlines
Thu, Feb 18 - Sun, Feb 21
American Airlines Logo
5:14 am - 9:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
16h 41m1 stop Charlotte Douglas
American Airlines Logo
4:15 pm - 9:24 amMEX  Mexico City Benito Juarez-STL Lambert-St Louis
17h 09m1 stop Dallas/Fort Worth
$661American Airlines
Tue, Jan 5 - Wed, Jan 13
United Airlines Logo
10:45 am - 6:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
8h 10m1 stop Houston George Bush Intcntl
United Airlines Logo
3:30 pm - 10:30 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
7h 00m1 stop Houston George Bush Intcntl
$745United Airlines
Tue, Jan 5 - Thu, Jan 14
United Airlines Logo
10:45 am - 6:55 pmSTL  Lambert-St Louis-MEX Mexico City Benito Juarez
8h 10m1 stop Houston George Bush Intcntl
United Airlines Logo
5:40 am - 4:43 pmMEX  Mexico City Benito Juarez-STL Lambert-St Louis
11h 03m1 stop Houston George Bush Intcntl
$745United Airlines

Price, demand and travel trends for St. Louis to Mexico City Benito Juarez Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from St. Louis to Mexico City Benito Juarez Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Mexico City Benito Juarez Airport. It’s 10% cheaper than the average day, while Friday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from St. Louis to Mexico City Benito Juarez Airport?

•April is the cheapest month to fly from St. Louis to Mexico City Benito Juarez Airport at $572 round-trip.
•October ($858) and September ($755) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Mexico City Benito Juarez Airport the cheapest?

Flights from St. Louis to Mexico City Benito Juarez Airport are cheapest 5 weeks before departure. Booking in this window typically costs about 39% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for St. Louis to Mexico City Benito Juarez Airport flights

Low season

May

Cheapest flight

$159
Beat the crowds with an average 33% drop in travelers.
The most popular month to fly with an average 51% increase in travelers.
One-way flight from St. Louis to Mexico City Benito Juarez Airport

When to book flights from St. Louis to Mexico City

Are your dates flexible? Find out the best times to travel from St. Louis to Mexico City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Mexico City Benito Juarez Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Mexico City Benito Juarez Airport?

    Two cabin classes are available on flights from St. Louis to Mexico City Benito Juarez Airport:

    • Economy Class
    • First Class

  • How long is a flight from St. Louis to Mexico City Benito Juarez Airport?

    A nonstop flight from St. Louis to Mexico City Benito Juarez Airport takes 00m, covering 1,431 miles.

  • Do I need a passport to fly from St. Louis to Mexico City Benito Juarez Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Mexico City Benito Juarez Airport flight?

    Round-trip flights from St. Louis to Mexico City Benito Juarez Airport range from $612 to $790, with an average of $706 over the past 12 months. Anything below $612 counts as a good deal.

  • How expensive are last-minute St. Louis to Mexico City Benito Juarez Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 16% above the $706 route average. Book 5 weeks before departure for the lowest fares.

  • How are flight prices from St. Louis to Mexico City Benito Juarez Airport looking right now?

    One-way fares from St. Louis to Mexico City Benito Juarez Airport are currently lower than usual. Average one-way flight prices are about $327, which is 11% below the typical average for this route.

  • What car rental options are available at Mexico City Benito Juarez Airport (MEX)?

    Mexico City Benito Juarez Airport (MEX) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:

    • Budget
    • Payless
    • MEXRENTACAR
    • Europcar
    • NU Car

  • Which airports can I use when flying from St. Louis to Mexico City Benito Juarez Airport?

    Flights from St. Louis to Mexico City Benito Juarez Airport usually depart from Lambert-St Louis (STL) and arrive at Mexico City Benito Juarez (MEX).

  • Which airports do connecting flights from St. Louis to Mexico City Benito Juarez Airport pass through?

    One-stop flights from St. Louis to Mexico City Benito Juarez Airport most commonly connect through:

    • Houston George Bush Intcntl (IAH) - 42% of one-stop connections
    • Dallas/Fort Worth (DFW) - 38% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 13% of one-stop connections
    • Cancun (CUN) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Mexico City Benito Juarez Airport?

    Yes. Flexible dates can save you up to 16% on flights from St. Louis to Mexico City Benito Juarez Airport. Monday is the cheapest departure day at $642 round-trip on average, while Friday is the most expensive at $764, a difference of $122.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Mexico City Benito Juarez Airport?

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 6h 30m, compared with 6h 38m via Dallas/Fort Worth (DFW) and 7h 15m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between St. Louis and Mexico City Benito Juarez Airport?

    Mexico City Benito Juarez Airport is 1 hour behind St. Louis (Central Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Mexico City Benito Juarez Airport?

    Some of the most popular sights in Mexico City Benito Juarez Airport are El Ángel de la Independencia, Plaza de la Constitucion and Mexico City Stadium. These are among the most viewed places in Mexico City Benito Juarez Airport on KAYAK.

Your guide to booking St. Louis to Mexico City Benito Juarez Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $642, about $122 less than Friday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Mexico City Benito Juarez Airport trip for April. Fares historically average $572 round-trip in that month - typically $286 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Mexico City Benito Juarez Airport.

    • Camino Real Aeropuerto Mexico
    • NH Collection Mexico City Airport T2
    • Hilton Mexico City Airport

More options for your flight from St. Louis to Mexico City

Complete your trip to Mexico City with a hotel stay or car rental

Car rentals in Mexico City
Hotels in Mexico City
Vacations in Mexico City