$200+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
Jul 10 — Jul 171
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 June 10, 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 June 10, 2026.
This Frontier deal was found by Cheapflights users on 6/5. 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.
Wed 8/268:40 am
MEX
- STL
1 stop9h 43m
Frontier
Sat 8/293:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 6/5![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 6/9. 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.
Tue 9/18:40 am
MEX
- STL
1 stop9h 43m
Frontier
Wed 9/23:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 6/9![Frontier logo]()
$311
This PocketFare deal was found by Cheapflights users on 6/7. 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.
Sat 7/48:45 pm
MEX
- STL
1 stop16h 38m
Frontier
Tue 7/148:08 pm
STL
- MEX
1 stop22h 22m
Frontier
Deal found 6/7![Frontier logo]()
$387
This Volaris deal was found by Cheapflights users on 6/9. 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.
Mon 7/138:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Mon 7/206:34 am
STL
- MEX
1 stop17h 36m
Volaris
Deal found 6/9![Volaris logo]()
$435
This eDestinos deal was found by Cheapflights users on 6/7. 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.
Tue 6/168:45 pm
MEX
- STL
1 stop16h 52m
Volaris
Tue 6/306:30 am
STL
- MEX
1 stop11h 10m
Volaris
Deal found 6/7![Volaris logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/311:00 am
MEX
- STL
1 stop26h 06m
Multiple Airlines
Thu 7/96:34 pm
STL
- MEX
2 stops52h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/611:05 am
MEX
- STL
2 stops26h 51m
Multiple Airlines
Wed 7/87:03 pm
STL
- MEX
1 stop27h 42m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$449
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Multiple Airlines
Fri 7/176:34 am
STL
- MEX
1 stop11h 06m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$454
This Volaris deal was found by Cheapflights users on 6/9. 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.
Fri 7/38:40 am
MEX
- STL
1 stop9h 13m
Volaris
Thu 7/96:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/9![Volaris logo]()
$455
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 June 10, 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 June 10, 2026.
This Frontier deal was found by Cheapflights users on 6/5. 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.
Wed 8/268:40 am
MEX
- STL
1 stop9h 43m
Frontier
Sat 8/293:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 6/5![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/311:00 am
MEX
- STL
1 stop26h 06m
Multiple Airlines
Thu 7/96:34 pm
STL
- MEX
2 stops52h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$448
This Volaris deal was found by Cheapflights users on 6/9. 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.
Fri 7/38:40 am
MEX
- STL
1 stop9h 13m
Volaris
Thu 7/96:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/9![Volaris logo]()
$455
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Multiple Airlines
Wed 7/156:34 am
STL
- MEX
1 stop17h 36m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$454
This eDestinos deal was found by Cheapflights users on 6/7. 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.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Volaris
Fri 7/176:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/7![Volaris logo]()
$462
This Volaris deal was found by Cheapflights users on 6/9. 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.
Sat 7/411:05 am
MEX
- STL
1 stop11h 44m
Volaris
Fri 7/176:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/9![Volaris logo]()
$471
This Volaris deal was found by Cheapflights users on 6/9. 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 6/9![Volaris logo]()
$491
This Volaris deal was found by Cheapflights users on 6/9. 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.
Sat 7/411:05 am
MEX
- STL
1 stop11h 44m
Volaris
Tue 7/146:34 am
STL
- MEX
1 stop17h 36m
Volaris
Deal found 6/9![Volaris logo]()
$491
This Volaris deal was found by Cheapflights users on 6/5. 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.
Mon 7/208:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Mon 7/276:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/5![Volaris logo]()
$538
Last-minute flights from Mexico City to St. LouisDiscover last-minute flight deals from Mexico City to St. Louis. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Mexico City to St. Louis. Data last updated June 10, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 6/7. 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.
Tue 6/168:45 pm
MEX
- STL
1 stop16h 52m
Volaris
Tue 6/306:30 am
STL
- MEX
1 stop11h 10m
Volaris
Deal found 6/7![Volaris logo]()
$442
This Volaris deal was found by Cheapflights users on 6/8. 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 6/188:40 am
MEX
- STL
1 stop9h 13m
Volaris
Fri 6/196:30 am
STL
- MEX
1 stop11h 10m
Volaris
Deal found 6/8![Volaris logo]()
$471
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Multiple Airlines
Fri 7/176:34 am
STL
- MEX
1 stop11h 06m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$454
This eDestinos deal was found by Cheapflights users on 6/7. 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.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Volaris
Fri 7/176:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/7![Volaris logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/311:00 am
MEX
- STL
1 stop26h 06m
Multiple Airlines
Thu 7/96:34 pm
STL
- MEX
2 stops52h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$448
This Volaris deal was found by Cheapflights users on 6/9. 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.
Fri 7/38:40 am
MEX
- STL
1 stop9h 13m
Volaris
Thu 7/96:34 am
STL
- MEX
1 stop11h 06m
Volaris
Deal found 6/9![Volaris logo]()
$455
This PocketFare deal was found by Cheapflights users on 6/7. 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.
Sat 7/48:45 pm
MEX
- STL
1 stop16h 38m
Frontier
Tue 7/148:08 pm
STL
- MEX
1 stop22h 22m
Frontier
Deal found 6/7![Frontier logo]()
$387
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:45 pm
MEX
- STL
1 stop16h 38m
Frontier
Fri 7/178:08 pm
STL
- MEX
2 stops51h 07m
Frontier
Deal found 6/6![Frontier logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/611:05 am
MEX
- STL
2 stops26h 51m
Multiple Airlines
Wed 7/87:03 pm
STL
- MEX
1 stop27h 42m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$449
This Volaris deal was found by Cheapflights users on 6/9. 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.
Mon 7/138:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Mon 7/206:34 am
STL
- MEX
1 stop17h 36m
Volaris
Deal found 6/9![Volaris logo]()
$435
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 June 10, 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 June 10, 2026.
This PocketFare deal was found by Cheapflights users on 6/5. 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.
Wed 7/18:45 pm
MEX
- STL
1 stop16h 52m
Frontier
Deal found 6/5![Frontier logo]()
$200
This eDestinos deal was found by Cheapflights users on 6/7. 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.
Thu 7/98:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Deal found 6/7![Volaris logo]()
$212
This Volaris deal was found by Cheapflights users on 6/5. 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 7/58:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Deal found 6/5![Volaris logo]()
$215
This eDestinos deal was found by Cheapflights users on 6/5. 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.
Thu 7/28:45 pm
MEX
- STL
1 stop16h 52m
Volaris
Deal found 6/5![Volaris logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/156:20 am
MEX
- STL
2 stops34h 17m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$246
This Volaris deal was found by Cheapflights users on 6/9. 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.
Mon 6/1511:05 am
MEX
- STL
1 stop11h 44m
Volaris
Deal found 6/9![Volaris logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/16:20 am
MEX
- STL
2 stops34h 10m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/36:45 am
MEX
- STL
2 stops25h 07m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/96:20 am
MEX
- STL
2 stops25h 37m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/26:45 am
MEX
- STL
2 stops25h 07m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$297
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Frontier) |
One-way from | $200 (PocketFare) |
Popular in | April |
Cheapest in | May |
Average price | $676 |
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 June 10, 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
Quickest round-trip
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 8/26
8:40 am-7:23 pm
1 stop9h 43m
Lambert-St Louis
Sat 8/29
3:33 pm-10:45 pm
1 stop8h 12m
$310
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Fri 7/3
11:00 am-2:06 pm
1 stop26h 06m
Lambert-St Louis
Thu 7/9
6:34 pm-10:15 pm
2 stops52h 41m
$448
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 7/1
8:45 pm-2:37 pm
1 stop16h 52m
Lambert-St Louis
Wed 7/15
6:34 am-11:10 pm
1 stop17h 36m
$454
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Fri 7/3
8:40 am-6:53 pm
1 stop9h 13m
Lambert-St Louis
Thu 7/9
6:34 am-4:40 pm
1 stop11h 06m
$455
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 7/1
8:45 pm-2:37 pm
1 stop16h 52m
Lambert-St Louis
Fri 7/17
6:34 am-4:40 pm
1 stop11h 06m
$462
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Sat 7/4
11:05 am-11:49 pm
1 stop11h 44m
Lambert-St Louis
Fri 7/17
6:34 am-4:40 pm
1 stop11h 06m
$471
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 8/6
8:40 am-7:23 pm
1 stop9h 43m
Lambert-St Louis
Mon 8/10
6:34 am-11:10 pm
1 stop17h 36m
$491
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Sat 7/4
11:05 am-11:49 pm
1 stop11h 44m
Lambert-St Louis
Tue 7/14
6:34 am-11:10 pm
1 stop17h 36m
$491
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Mon 7/20
8:45 pm-2:23 pm
1 stop16h 38m
Lambert-St Louis
Mon 7/27
6:34 am-4:40 pm
1 stop11h 06m
$538
Cheapest one-way
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 7/9
8:45 pm-2:23 pm
1 stop16h 38m
$212
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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?
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 June 10, 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
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Food
7.2
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
Alton
Farmington
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Mexico City and St. Louis flights
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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 June 10, 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 |