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

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Mexico City Federal District departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap St. Louis to Mexico City Federal District Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Mexico City Federal District that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Mexico City Federal District

Sat, Oct 31 - Tue, Nov 3
Frontier Logo
6:10 am - 7:55 pm
STL
-
MEX
14h 45m
1 stop
Frontier Logo
8:45 pm - 3:52 pm
MEX
-
STL
19h 07m
1 stop
$355Frontier
Wed, Oct 14 - Wed, Oct 21
Frontier Logo
8:10 pm - 5:30 pm
STL
-
MEX
22h 20m
1 stop
Frontier Logo
8:40 am - 7:15 pm
MEX
-
STL
9h 35m
1 stop
$377Frontier
Sat, Oct 3 - Wed, Oct 7
Frontier Logo
12:17 pm - 9:45 pm
STL
-
MEX
10h 28m
1 stop
Frontier Logo
8:45 pm - 3:34 pm
MEX
-
STL
17h 49m
1 stop
$382Frontier
Tue, Nov 24 - Fri, Nov 27
American Airlines Logo
5:00 am - 1:19 pm
STL
-
MEX
8h 19m
1 stop
American Airlines Logo
8:06 am - 3:55 pm
MEX
-
STL
7h 49m
1 stop
$515American Airlines
Mon, Jan 18 - Thu, Jan 21
Delta Logo
7:20 am - 3:15 pm
STL
-
MEX
7h 55m
1 stop
Delta Logo
7:05 am - 6:01 pm
MEX
-
STL
10h 56m
1 stop
$570Delta
Wed, Dec 9 - Thu, Jan 7
Delta Logo
12:20 pm - 10:35 pm
STL
-
MEX
10h 15m
2 stops
Delta Logo
7:00 am - 11:39 pm
MEX
-
STL
16h 39m
2 stops
$574Delta
Fri, Dec 11 - Tue, Dec 15
American Airlines Logo
5:14 am - 7:48 pm
STL
-
MEX
14h 34m
1 stop
American Airlines Logo
11:20 am - 7:27 pm
MEX
-
STL
8h 07m
1 stop
$595American Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
11:35 am - 7:48 pm
STL
-
MEX
8h 13m
1 stop
American Airlines Logo
6:00 am - 12:32 pm
MEX
-
STL
6h 32m
1 stop
$628American Airlines
Wed, Dec 9 - Mon, Jan 11
United Airlines Logo
6:15 am - 10:30 pm
STL
-
MEX
16h 15m
1 stop
United Airlines Logo
10:05 am - 10:06 pm
MEX
-
STL
12h 01m
1 stop
$702United Airlines
Wed, Sep 9 - Wed, Sep 16
United Airlines Logo
6:15 am - 10:45 am
STL
-
MEX
5h 30m
1 stop
United Airlines Logo
4:40 am - 9:31 pm
MEX
-
STL
15h 51m
2 stops
$727United Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Mexico City Federal District flights

Get data-powered insights and trends into flights from St. Louis to Mexico City Federal District to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Mexico City Federal District?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Mexico City Federal District departing in October.

Flight prices are below average for this route right now.

Flights to Mexico City Federal District from St. Louis usually cost between $666 and $750 in October.
The lowest price found in the past 5 days was $355 on Frontier (Oct 31-Nov 3).

What is the cheapest month to fly from St. Louis to Mexico City Federal District?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Mexico City Federal District, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Mexico City Federal District is April, when tickets cost $572 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $802 and $745 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Mexico City Federal District, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Mexico City Federal District, you should book around 3 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Find deals

Good to know

Low season

September

Cheapest flight

$159
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from St. Louis to Mexico City

FAQs - booking Mexico City Federal District flights

  • How does KAYAK find such low prices on flights from St. Louis to Mexico City Federal District?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Mexico City Federal District.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Mexico City Federal District?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Mexico City Federal District is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Mexico City Federal District?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Mexico City Federal District with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Mexico City Federal District?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Mexico City Federal District up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Mexico City Federal District

Information on your arrival and departure airports

St. Louis (STL)