Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Mexico City Federal District from $245

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
3:46 pm - 10:30 pm
STL
-
MEX
30h 44m2 stops
Multiple Airlines Logo
11:10 am - 11:33 pm
MEX
-
STL
12h 23m1 stop
$353Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
5:42 pm - 7:45 pm
STL
-
MEX
26h 03m1 stop
Multiple Airlines Logo
11:10 am - 11:33 pm
MEX
-
STL
12h 23m1 stop
$366Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
3:43 pm - 10:30 pm
STL
-
MEX
30h 47m2 stops
Multiple Airlines Logo
10:00 pm - 3:29 pm
MEX
-
STL
17h 29m1 stop
$375Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
7:39 pm - 5:05 pm
STL
-
MEX
21h 26m1 stop
Multiple Airlines Logo
6:20 am - 6:51 am
MEX
-
STL
24h 31m2 stops
$379Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
3:43 pm - 10:30 pm
STL
-
MEX
30h 47m2 stops
Multiple Airlines Logo
10:00 pm - 3:29 pm
MEX
-
STL
17h 29m1 stop
$380Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
5:11 pm - 10:45 am
STL
-
MEX
41h 34m2 stops
Multiple Airlines Logo
10:00 pm - 3:29 pm
MEX
-
STL
17h 29m1 stop
$397Multiple Airlines
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
6:00 am - 11:45 am
STL
-
MEX
29h 45m1 stop
Multiple Airlines Logo
10:00 pm - 3:29 pm
MEX
-
STL
17h 29m1 stop
$408Multiple Airlines
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
11:18 am - 7:45 pm
STL
-
MEX
8h 27m1 stop
Multiple Airlines Logo
3:45 pm - 11:33 pm
MEX
-
STL
31h 48m2 stops
$411Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
9:43 pm - 8:05 pm
STL
-
MEX
22h 22m1 stop
Multiple Airlines Logo
11:10 am - 11:33 pm
MEX
-
STL
12h 23m1 stop
$414Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
7:39 pm - 5:05 pm
STL
-
MEX
21h 26m1 stop
Multiple Airlines Logo
6:40 am - 3:57 pm
MEX
-
STL
9h 17m1 stop
$418Multiple Airlines
Fri, Jan 23 - Fri, Jan 30

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
Jan 21
STL3:46 pmLambert-St Louis
30h 44m
2 stops
MEX10:30 pmMexico City Benito Juarez
Jan 28
MEX3:45 pmMexico City Benito Juarez
50h 59m
2 stops
STL6:44 pmLambert-St Louis
$420
Find similar
Frontier
Feb 25
STL7:43 pmLambert-St Louis
26h 47m
2 stops
MEX10:30 pmMexico City Benito Juarez
Mar 1
MEX8:10 amMexico City Benito Juarez
25h 52m
1 stop
STL10:02 amLambert-St Louis
$423
Find similar
Frontier
Mar 5
STL10:42 amLambert-St Louis
11h 48m
2 stops
MEX10:30 pmMexico City Benito Juarez
Mar 9
MEX11:10 amMexico City Benito Juarez
10h 23m
1 stop
STL10:33 pmLambert-St Louis
$448
Find similar

Aeromexico flights from St. Louis to Mexico City Federal District

Our best Aeromexico deals on St. Louis to Mexico City Federal District flight tickets
Aeromexico
Dec 12
STL7:05 amLambert-St Louis
15h 35m
2 stops
MEX10:40 pmMexico City Benito Juarez
Dec 13
MEX8:40 amMexico City Benito Juarez
9h 20m
1 stop
STL6:00 pmLambert-St Louis
$591
Find similar
Aeromexico
Dec 24
STL6:00 amLambert-St Louis
10h 10m
2 stops
MEX4:10 pmMexico City Benito Juarez
Dec 31
MEX6:55 amMexico City Benito Juarez
16h 43m
2 stops
STL11:38 pmLambert-St Louis
$671
Find similar
Aeromexico
Dec 14
STL6:00 amLambert-St Louis
13h 35m
2 stops
MEX7:35 pmMexico City Benito Juarez
Jan 6
MEX2:10 pmMexico City Benito Juarez
9h 29m
1 stop
STL11:39 pmLambert-St Louis
$749
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 December 10, 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

Wed 1/21

3:46 pm-10:30 pm

2 stops30h 44m

Mexico City Benito Juarez

Wed 1/28

11:10 am-11:33 pm

1 stop12h 23m

$353

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 1/21

5:42 pm-7:45 pm

1 stop26h 03m

Mexico City Benito Juarez

Wed 1/28

11:10 am-11:33 pm

1 stop12h 23m

$366

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 1/8

3:43 pm-10:30 pm

2 stops30h 47m

Mexico City Benito Juarez

Thu 1/15

10:00 pm-3:29 pm

1 stop17h 29m

$375

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 1/23

7:39 pm-5:05 pm

1 stop21h 26m

Mexico City Benito Juarez

Fri 1/30

6:20 am-6:51 am

2 stops24h 31m

$379

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Thu 1/8

3:43 pm-10:30 pm

2 stops30h 47m

Mexico City Benito Juarez

Thu 1/15

10:00 pm-3:29 pm

1 stop17h 29m

$380

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 1/6

5:11 pm-10:45 am

2 stops41h 34m

Mexico City Benito Juarez

Tue 1/13

10:00 pm-3:29 pm

1 stop17h 29m

$397

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Tue 1/6

6:00 am-11:45 am

1 stop29h 45m

Mexico City Benito Juarez

Tue 1/13

10:00 pm-3:29 pm

1 stop17h 29m

$408

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 1/23

11:18 am-7:45 pm

1 stop8h 27m

Mexico City Benito Juarez

Mon 1/26

3:45 pm-11:33 pm

2 stops31h 48m

$411

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 1/23

9:43 pm-8:05 pm

1 stop22h 22m

Mexico City Benito Juarez

Mon 1/26

11:10 am-11:33 pm

1 stop12h 23m

$414

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 1/23

7:39 pm-5:05 pm

1 stop21h 26m

Mexico City Benito Juarez

Fri 1/30

6:40 am-3:57 pm

1 stop9h 17m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $564.

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 $642 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

6h 28m

Direct flights

None
The fastest flight from St. Louis to Mexico City Federal District takes 6h 28m
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
FrontierPriceFrom $471Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
AeromexicoPriceFrom $487Free CancellationRating
7.4
1,642 reviews
Search Aeromexico flights
DeltaPriceFrom $487Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $528Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $537Free CancellationRating
7.4
9,093 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.

An easier way to manage your Mexico City Federal District trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 1/9
Fri 1/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico City Federal District

Popular cities in Mexico City Federal District

Popular flights according to clicks in the last 7 days on momondo
Flights to Cancúnfrom $196
Flights to Mexico Cityfrom $190
Flights to Guadalajarafrom $195
Flights to Puerto Vallartafrom $257
Flights to San José del Cabofrom $171
Flights to Tijuanafrom $244
Flights to León, Guanajuatofrom $195
Flights to Monterreyfrom $203
Flights to Oaxacafrom $216
Flights to Méridafrom $184
Flights to Santiago de Querétarofrom $138
Flights to Moreliafrom $168