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Cheap flights from St. Louis to Mexico City Federal District from $166

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 Federal District departing on 10/16. 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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0 bags

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Find the cheapest flights from St. Louis to Mexico City Federal District

Cheap round-trip flights

Logo
10:49 am - 10:55 pmSTL-MEX
13h 06m1 stop
Logo
6:00 am - 6:10 pmMEX-STL
11h 10m1 stop
$371
Find Deal
Thu, Sep 25 - Sun, Sep 28
Logo
10:49 am - 10:55 pmSTL-MEX
13h 06m1 stop
Logo
5:45 pm - 6:10 pmMEX-STL
23h 25m1 stop
$382
Find Deal
Thu, Sep 25 - Thu, Oct 2
Logo
10:39 am - 10:55 pmSTL-MEX
13h 16m1 stop
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$403
Find Deal
Sun, Sep 7 - Sun, Sep 14
Logo
10:17 am - 10:55 pmSTL-MEX
13h 38m1 stop
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$404
Find Deal
Sun, Aug 31 - Tue, Sep 9
Logo
10:49 am - 10:55 pmSTL-MEX
13h 06m1 stop
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$409
Find Deal
Thu, Sep 11 - Thu, Sep 18
Logo
10:21 am - 5:45 amSTL-MEX
20h 24m1 stop
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$414
Find Deal
Fri, Sep 12 - Tue, Sep 16
Logo
10:35 am - 10:00 pmSTL-MEX
12h 25m2 stops
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$415
Find Deal
Thu, Sep 11 - Tue, Sep 23
Logo
10:49 am - 10:55 pmSTL-MEX
13h 06m1 stop
Logo
11:15 pm - 6:10 pmMEX-STL
17h 55m1 stop
$416
Find Deal
Thu, Sep 11 - Tue, Sep 23
Air Canada Logo
1:30 pm - 10:55 pmSTL-MEX
10h 25m1 stop
Air Canada Logo
12:15 am - 7:38 pmMEX-STL
18h 23m1 stop
$511Air Canada
Find Deal
Thu, Sep 25 - Wed, Oct 1
Air Canada Logo
9:15 am - 11:15 pmSTL-MEX
15h 00m1 stop
Air Canada Logo
12:15 am - 3:18 pmMEX-STL
14h 03m1 stop
$518Air Canada
Find Deal
Sun, Aug 31 - Mon, Sep 8

American Airlines flights from St. Louis to Mexico City Federal District

Our best American Airlines deals on St. Louis to Mexico City Federal District flight tickets
American Airlines
Aug 17
STL5:15 amLambert-St Louis
10h 15m
2 stops
MEX2:30 pmMexico City Benito Juarez
Aug 24
MEX5:00 amMexico City Benito Juarez
12h 29m
1 stop
STL6:29 pmLambert-St Louis
$812
Find similar
American Airlines
Aug 17
STL5:15 amLambert-St Louis
10h 15m
2 stops
MEX2:30 pmMexico City Benito Juarez
Aug 24
MEX11:20 amMexico City Benito Juarez
8h 03m
1 stop
STL8:23 pmLambert-St Louis
$902
Find similar

Air Canada flights from St. Louis to Mexico City Federal District

Our best Air Canada deals on St. Louis to Mexico City Federal District flight tickets
Air Canada
Sep 25
STL1:30 pmLambert-St Louis
10h 25m
1 stop
MEX10:55 pmMexico City Benito Juarez
Oct 1
MEX12:15 amMexico City Benito Juarez
18h 23m
1 stop
STL7:38 pmLambert-St Louis
$511
Find similar
Air Canada
Aug 31
STL9:15 amLambert-St Louis
15h 00m
1 stop
MEX11:15 pmMexico City Benito Juarez
Sep 8
MEX12:15 amMexico City Benito Juarez
14h 03m
1 stop
STL3:18 pmLambert-St Louis
$518
Find similar
Air Canada
Aug 13
STL9:15 amLambert-St Louis
26h 55m
1 stop
MEX11:10 amMexico City Benito Juarez
Aug 15
MEX12:15 amMexico City Benito Juarez
18h 30m
1 stop
STL7:45 pmLambert-St Louis
$752
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Mexico City Federal District that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2025.
Use the filters below to find and compare flights from St. Louis to Mexico City Federal District that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/25

10:49 am-10:55 pm

1 stop13h 06m

Mexico City Benito Juarez

Sun 9/28

6:00 am-6:10 pm

1 stop11h 10m

$371

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/25

10:49 am-10:55 pm

1 stop13h 06m

Mexico City Benito Juarez

Thu 10/2

5:45 pm-6:10 pm

1 stop23h 25m

$382

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sun 9/7

10:39 am-10:55 pm

1 stop13h 16m

Mexico City Benito Juarez

Sun 9/14

11:15 pm-6:10 pm

1 stop17h 55m

$403

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sun 8/31

10:17 am-10:55 pm

1 stop13h 38m

Mexico City Benito Juarez

Tue 9/9

11:15 pm-6:10 pm

1 stop17h 55m

$404

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/11

10:49 am-10:55 pm

1 stop13h 06m

Mexico City Benito Juarez

Thu 9/18

11:15 pm-6:10 pm

1 stop17h 55m

$409

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 9/12

10:21 am-5:45 am

1 stop20h 24m

Mexico City Benito Juarez

Tue 9/16

11:15 pm-6:10 pm

1 stop17h 55m

$414

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/11

10:35 am-10:00 pm

2 stops12h 25m

Mexico City Benito Juarez

Tue 9/23

11:15 pm-6:10 pm

1 stop17h 55m

$415

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/11

10:49 am-10:55 pm

1 stop13h 06m

Mexico City Benito Juarez

Tue 9/23

11:15 pm-6:10 pm

1 stop17h 55m

$416

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 9/25

1:30 pm-10:55 pm

1 stop10h 25m

Mexico City Benito Juarez

Wed 10/1

12:15 am-7:38 pm

1 stop18h 23m

$511

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Sun 8/31

9:15 am-11:15 pm

1 stop15h 00m

Mexico City Benito Juarez

Mon 9/8

12:15 am-3:18 pm

1 stop14h 03m

$518

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 Federal District from

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

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 Federal District?

If you are unable to visit Mexico City Federal District during the month of May, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $565.

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

The cheapest day to depart on your flight to Mexico City Federal District is on a Tuesday when prices can be found for as low as $542. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Mexico City Federal District for around $669.

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

The cheapest time of day to fly to Mexico City Federal District is at noon when flights can be purchased for as low as $566. In the afternoon is when there is more demand to fly to Mexico City Federal District, so prices are often more expensive at around $621 per ticket.

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

You are more likely to see cheaper flights to Mexico City Federal District from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City Federal District for around $629 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City Federal District from St. Louis for as low as $496 on momondo.

Cheap St. Louis to Mexico City Federal District flight deals and tips

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

Best Price Found

$166

Fastest flight time

8h 10m

Direct flights

None

Airports in Mexico City Federal District

1 airport
The best one-way flight to Mexico City Federal District from St. Louis in the past 72 hours is $166. The best round-trip flight deal from St. Louis to Mexico City Federal District found on momondo in the last 72 hours is $371.
The fastest flight from St. Louis to Mexico City Federal District takes 8h 10m
There are no direct flights from St. Louis to Mexico City Federal District. Popular non-direct route for this connection is Lambert-St Louis Airport - Mexico City Benito Juarez Airport.
There is 1 airport near Mexico City Federal District: Mexico City Benito Juarez (MEX)
Search flight deals

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

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

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

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

    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 Federal District.

  • What documentation or ID do you need to fly to Mexico City Federal District?

    The travel and health documents required for your trip to Mexico City Federal District can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mexico City Federal District. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Mexico City Federal District

Compare and see reviews for airlines that fly from St. Louis to Mexico City Federal District with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $471Free CancellationRating
5.8
3,221 reviews
Search Frontier flights
AeromexicoPriceFrom $487Free CancellationRating
7.5
1,723 reviews
Search Aeromexico flights
DeltaPriceFrom $487Free CancellationRating
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $525Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $527Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find St. Louis to Mexico City Federal District flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Mexico City Federal District that suits you.

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

All flight searches from St. Louis to Mexico City Federal District on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Mexico City Federal District?

Once all potential St. Louis to Mexico City Federal District 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 Federal District right now. Can momondo alert me if prices change?

Price alerts on flights to Mexico City Federal District from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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