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Cheap flights from St. Louis to Mexico City Federal District from $139

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 2/18. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:11 pm - 8:05 pm
STL
-
MEX
21h 54m
1 stop
Multiple Airlines Logo
8:10 am - 9:13 pm
MEX
-
STL
13h 03m
2 stops
$359Multiple Airlines
jue., feb. 26 - lun., mar. 2
Multiple Airlines Logo
3:49 pm - 10:00 pm
STL
-
MEX
30h 11m
2 stops
Multiple Airlines Logo
10:20 pm - 2:09 pm
MEX
-
STL
15h 49m
1 stop
$377Multiple Airlines
mié., feb. 25 - mar., mar. 3
Multiple Airlines Logo
10:11 pm - 8:05 pm
STL
-
MEX
21h 54m
1 stop
Multiple Airlines Logo
11:55 am - 9:13 pm
MEX
-
STL
9h 18m
1 stop
$380Multiple Airlines
jue., feb. 26 - lun., mar. 2
Multiple Airlines Logo
3:49 pm - 7:45 pm
STL
-
MEX
27h 56m
1 stop
Multiple Airlines Logo
10:20 pm - 2:09 pm
MEX
-
STL
15h 49m
1 stop
$381Multiple Airlines
mié., feb. 25 - mar., mar. 3
Multiple Airlines Logo
10:11 pm - 8:05 pm
STL
-
MEX
21h 54m
1 stop
Multiple Airlines Logo
10:20 pm - 2:09 pm
MEX
-
STL
15h 49m
1 stop
$400Multiple Airlines
jue., feb. 26 - mar., mar. 3
Multiple Airlines Logo
10:11 pm - 9:10 pm
STL
-
MEX
22h 59m
1 stop
Multiple Airlines Logo
10:00 pm - 12:19 pm
MEX
-
STL
38h 19m
2 stops
$401Multiple Airlines
dom., mar. 1 - sáb., mar. 7
Multiple Airlines Logo
5:42 pm - 7:45 pm
STL
-
MEX
26h 03m
1 stop
Multiple Airlines Logo
6:40 am - 6:51 am
MEX
-
STL
24h 11m
2 stops
$414Multiple Airlines
lun., feb. 9 - dom., feb. 15
Multiple Airlines Logo
3:49 pm - 12:20 pm
STL
-
MEX
20h 31m
2 stops
Multiple Airlines Logo
11:55 am - 9:13 pm
MEX
-
STL
9h 18m
1 stop
$420Multiple Airlines
mié., feb. 25 - lun., mar. 2
Multiple Airlines Logo
10:11 pm - 9:10 pm
STL
-
MEX
22h 59m
1 stop
Multiple Airlines Logo
6:40 am - 3:11 pm
MEX
-
STL
8h 31m
1 stop
$433Multiple Airlines
dom., mar. 1 - sáb., mar. 7
Multiple Airlines Logo
8:06 pm - 8:05 pm
STL
-
MEX
24h 59m
1 stop
Multiple Airlines Logo
6:20 am - 9:49 am
MEX
-
STL
26h 29m
2 stops
$439Multiple Airlines
mar., mar. 17 - mar., mar. 24

Frontier flights from St. Louis to Mexico City Federal District

Our best Frontier deals on St. Louis to Mexico City Federal District flight tickets
Frontier
Mar 6
STL8:12 pmLambert-St Louis
25h 33m
2 stops
MEX9:45 pmMexico City Benito Juarez
Mar 8
MEX7:00 amMexico City Benito Juarez
29h 19m
2 stops
STL1:19 pmLambert-St Louis
$470
Frontier
Feb 16
STL6:00 amLambert-St Louis
11h 15m
1 stop
MEX5:15 pmMexico City Benito Juarez
Feb 20
MEX11:10 amMexico City Benito Juarez
13h 17m
1 stop
STL12:27 amLambert-St Louis
$494
Frontier
Feb 18
STL6:00 amLambert-St Louis
11h 15m
1 stop
MEX5:15 pmMexico City Benito Juarez
Feb 24
MEX11:10 amMexico City Benito Juarez
11h 17m
1 stop
STL10:27 pmLambert-St Louis
$496

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
Jan 22
STL4:05 pmLambert-St Louis
8h 45m
1 stop
MEX12:50 amMexico City Benito Juarez
Jan 24
MEX1:05 amMexico City Benito Juarez
14h 24m
1 stop
STL3:29 pmLambert-St Louis
$541
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
8h 45m
1 stop
MEX12:50 amMexico City Benito Juarez
Jan 26
MEX1:30 pmMexico City Benito Juarez
25h 59m
1 stop
STL3:29 pmLambert-St Louis
$581
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
8h 45m
1 stop
MEX12:50 amMexico City Benito Juarez
Jan 26
MEX1:30 pmMexico City Benito Juarez
25h 59m
1 stop
STL3:29 pmLambert-St Louis
$686

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 enero 21, 2026.
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

jue. 2/26

10:11 pm-8:05 pm

1 stop21h 54m

Mexico City Benito Juarez

lun. 3/2

8:10 am-9:13 pm

2 stops13h 03m

$359

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

mié. 2/25

3:49 pm-10:00 pm

2 stops30h 11m

Mexico City Benito Juarez

mar. 3/3

10:20 pm-2:09 pm

1 stop15h 49m

$377

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

jue. 2/26

10:11 pm-8:05 pm

1 stop21h 54m

Mexico City Benito Juarez

lun. 3/2

11:55 am-9:13 pm

1 stop9h 18m

$380

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

mié. 2/25

3:49 pm-7:45 pm

1 stop27h 56m

Mexico City Benito Juarez

mar. 3/3

10:20 pm-2:09 pm

1 stop15h 49m

$381

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

jue. 2/26

10:11 pm-8:05 pm

1 stop21h 54m

Mexico City Benito Juarez

mar. 3/3

10:20 pm-2:09 pm

1 stop15h 49m

$400

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

dom. 3/1

10:11 pm-9:10 pm

1 stop22h 59m

Mexico City Benito Juarez

sáb. 3/7

10:00 pm-12:19 pm

2 stops38h 19m

$401

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

lun. 2/9

5:42 pm-7:45 pm

1 stop26h 03m

Mexico City Benito Juarez

dom. 2/15

6:40 am-6:51 am

2 stops24h 11m

$414

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

mié. 2/25

3:49 pm-12:20 pm

2 stops20h 31m

Mexico City Benito Juarez

lun. 3/2

11:55 am-9:13 pm

1 stop9h 18m

$420

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

dom. 3/1

10:11 pm-9:10 pm

1 stop22h 59m

Mexico City Benito Juarez

sáb. 3/7

6:40 am-3:11 pm

1 stop8h 31m

$433

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

mar. 3/17

8:06 pm-8:05 pm

1 stop24h 59m

Mexico City Benito Juarez

mar. 3/24

6:20 am-9:49 am

2 stops26h 29m

$439

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 September, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around $561.

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 $664 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

Fastest flight time

7h 10m

Direct flights

None
The fastest flight from St. Louis to Mexico City Federal District takes 7h 10m
There are no direct flights from St. Louis to Mexico City Federal District. There are no popular flight routes from St. Louis to Mexico City Federal District.
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
AeromexicoPriceFrom $487Free CancellationRating
7.4
1,596 reviews
Search Aeromexico flights
DeltaPriceFrom $487Free CancellationRating
7.9
8,086 reviews
Search Delta flights
American AirlinesPriceFrom $537Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
United AirlinesPriceFrom $537Free CancellationRating
7.4
9,189 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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