$214+ Cheap flights from Mexico City (MEX) to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Mexico City to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Mexico City to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Mexico City to St. LouisExplore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Mexico City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Orbitz deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
- STL
1 stop8h 31m
Frontier
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Frontier
Deal found 7/27![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
MEX
- STL
1 stop8h 31m
Multiple Airlines
Fri 8/286:17 pm
STL
- MEX
2 stops28h 58m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$392
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
MEX
- STL
1 stop9h 46m
Frontier
Mon 10/198:34 pm
STL
- MEX
2 stops21h 56m
Frontier
Deal found 7/25![Frontier logo]()
$394
This PocketFare deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 am
MEX
- STL
1 stop9h 35m
Frontier
Tue 10/206:10 am
STL
- MEX
1 stop18h 00m
Frontier
Deal found 7/26![Frontier logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
MEX
- STL
1 stop9h 46m
Multiple Airlines
Mon 10/1910:35 am
STL
- MEX
2 stops36h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
MEX
- STL
1 stop9h 46m
Multiple Airlines
Tue 10/2010:35 am
STL
- MEX
2 stops36h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
MEX
- STL
2 stops29h 50m
Multiple Airlines
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$438
Best flights from Mexico City to St. LouisDiscover carefully curated flight deals from Mexico City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Mexico City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Orbitz deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
- STL
1 stop8h 31m
Frontier
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Frontier
Deal found 7/27![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
MEX
- STL
1 stop9h 46m
Multiple Airlines
Mon 10/1910:35 am
STL
- MEX
2 stops36h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$422
This Volaris deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:40 am
MEX
- STL
1 stop9h 12m
Volaris
Mon 11/96:10 am
STL
- MEX
1 stop13h 45m
Volaris
Deal found 7/29![Volaris logo]()
$471
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:40 am
MEX
- STL
1 stop8h 30m
United Airlines
Wed 9/303:12 pm
STL
- MEX
1 stop8h 58m
United Airlines
Deal found 7/29![United Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:10 pm
MEX
- STL
2 stops10h 34m
Delta
Tue 10/2012:28 pm
STL
- MEX
2 stops10h 52m
Delta
Deal found 7/26![Delta logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
MEX
- STL
2 stops29h 50m
Multiple Airlines
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$438
This PocketFare deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
MEX
- STL
1 stop9h 46m
Frontier
Mon 10/198:10 pm
STL
- MEX
1 stop22h 20m
Frontier
Deal found 7/25![Frontier logo]()
$445
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:15 am
MEX
- STL
2 stops13h 39m
Delta
Mon 10/1910:14 am
STL
- MEX
2 stops10h 06m
Delta
Deal found 7/29![Delta logo]()
$549
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:05 am
MEX
- STL
1 stop6h 39m
United Airlines
Tue 1/55:00 am
STL
- MEX
2 stops13h 55m
United Airlines
Deal found 7/26![United Airlines logo]()
$560
This Justfly.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:05 am
MEX
- STL
2 stops37h 10m
Frontier
Mon 11/98:10 pm
STL
- MEX
2 stops26h 00m
Frontier
Deal found 7/26![Frontier logo]()
$544
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:00 am
MEX
- STL
2 stops11h 51m
Delta
Tue 1/59:00 am
STL
- MEX
2 stops12h 15m
Delta
Deal found 7/26![Delta logo]()
$549
Last-minute flights from Mexico City to St. LouisDiscover last-minute flight deals from Mexico City to St. Louis. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Mexico City to St. Louis. Data last updated July 30, 2026 and is based on user searches.
This Volaris deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:40 am
MEX
- STL
1 stop9h 43m
Volaris
Mon 8/106:34 am
STL
- MEX
1 stop17h 36m
Volaris
Deal found 7/28![Volaris logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
MEX
- STL
1 stop8h 31m
Multiple Airlines
Fri 8/286:17 pm
STL
- MEX
2 stops28h 58m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$392
This Volaris deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
MEX
- STL
1 stop8h 31m
Volaris
Sun 9/1310:20 am
STL
- MEX
1 stop13h 25m
Volaris
Deal found 7/27![Volaris logo]()
$475
This Orbitz deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
- STL
1 stop8h 31m
Frontier
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Frontier
Deal found 7/27![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:55 pm
MEX
- STL
2 stops43h 36m
Multiple Airlines
Thu 9/1710:20 am
STL
- MEX
1 stop13h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 am
MEX
- STL
2 stops15h 06m
United Airlines
Thu 9/178:00 am
STL
- MEX
2 stops8h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$580
One-way flights from Mexico City to St. LouisSearch for one-way flight options from Mexico City to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Mexico City to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
MEX
- STL
3 stops58h 22m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Deal found 7/28![Volaris logo]()
$222
This Volaris deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:40 am
MEX
- STL
1 stop9h 37m
Volaris
Deal found 7/28![Volaris logo]()
$235
This eDestinos deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:40 am
MEX
- STL
1 stop9h 43m
Volaris
Deal found 7/25![Volaris logo]()
$271
This Volaris deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:40 am
MEX
- STL
1 stop9h 43m
Volaris
Deal found 7/26![Volaris logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:40 am
MEX
- STL
1 stop9h 43m
Volaris
Deal found 7/29![Volaris logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:40 am
MEX
- STL
1 stop9h 43m
Volaris
Deal found 7/29![Volaris logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:40 am
MEX
- STL
2 stops30h 36m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:40 am
MEX
- STL
1 stop9h 43m
Volaris
Deal found 7/29![Volaris logo]()
$315
Find flight deals from Mexico City to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Orbitz) |
One-way from | $214 (Kiwi.com) |
Popular in | April |
Cheapest in | May |
Average price | $611 |
Cheapflights Fare Finder
Customize your flight search to find flights from Mexico City to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Mexico City to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Tue 8/25
7:00 am-4:31 pm
1 stop8h 31m
Lambert-St Louis
Thu 9/17
10:20 am-10:45 pm
1 stop13h 25m
$338
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 10/15
7:00 am-5:46 pm
1 stop9h 46m
Lambert-St Louis
Mon 10/19
10:35 am-10:15 pm
2 stops36h 40m
$422
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 9/10
6:20 am-1:10 pm
2 stops29h 50m
Lambert-St Louis
Thu 9/17
10:20 am-10:45 pm
1 stop13h 25m
$438
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 10/15
7:00 am-5:46 pm
1 stop9h 46m
Lambert-St Louis
Mon 10/19
8:10 pm-5:30 pm
1 stop22h 20m
$445
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 11/4
6:40 am-3:52 pm
1 stop9h 12m
Lambert-St Louis
Mon 11/9
6:10 am-7:55 pm
1 stop13h 45m
$471
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 11/4
6:05 am-7:15 pm
2 stops37h 10m
Lambert-St Louis
Mon 11/9
8:10 pm-10:10 pm
2 stops26h 00m
$544
Quickest round-trip
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Tue 9/29
4:40 am-2:10 pm
1 stop8h 30m
Lambert-St Louis
Wed 9/30
3:12 pm-11:10 pm
1 stop8h 58m
$548
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 10/15
1:10 pm-12:44 am
2 stops10h 34m
Lambert-St Louis
Tue 10/20
12:28 pm-10:20 pm
2 stops10h 52m
$549
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 10/15
9:15 am-11:54 pm
2 stops13h 39m
Lambert-St Louis
Mon 10/19
10:14 am-7:20 pm
2 stops10h 06m
$549
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 12/17
9:00 am-8:51 pm
2 stops11h 51m
Lambert-St Louis
Tue 1/5
9:00 am-9:15 pm
2 stops12h 15m
$549
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Mexico City to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mexico City to St. Louis in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Mexico City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mexico City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mexico City-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Mexico City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Mexico City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Mexico City to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mexico City with our price prediction graph.
MEX-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Mexico City to St. Louis
What is the cheapest month to book a flight from Mexico City to St. Louis?
Currently, May is the cheapest month in which you can book a flight from Mexico City to St. Louis (average of $477). Flying from Mexico City to St. Louis in April is currently the most expensive (average of $794). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Mexico City to St. Louis?
Airfare is below average for this route at the moment.
Mexico City to St. Louis flights typically cost between $523 and $731 in August.The cheapest round-trip price found within the last 5 days was $338 on Frontier (Aug 25-Sep 17).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated July 30, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Mexico City to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentElizabeth,Sep 2023
MEX - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentElizabeth,Sep 2023
MEX - ATL
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentElizabeth,Sep 2023
MEX - ATL
Related info for your journey
Find useful and relevant information for your journey from Mexico City to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Mexico City to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Mexico City and St. Louis flights
Browse other Mexico City and St. Louis flight options. Last updated on July 30, 2026.
Other flights from Mexico City
Browse through other flights departing from Mexico City. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
Top 2 airlines flying from Mexico City to St. Louis
Discover the top 2 airlines that operate flights from Mexico City to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$626 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$521 | Average$676 | FlexibilityNo cancel fee | On-timeN/A |