$204+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
May 27 — Jun 31
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 April 27, 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 April 27, 2026.
This OneTravel deal was found by Cheapflights users on 4/23. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:05 am
MEX
- STL
1 stop11h 52m
Frontier
Sat 6/208:08 pm
STL
- MEX
1 stop22h 22m
Frontier
Deal found 4/23![Frontier logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/2211:05 pm
MEX
- STL
2 stops19h 26m
Multiple Airlines
Tue 5/263:33 pm
STL
- MEX
1 stop8h 12m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$398
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:05 am
MEX
- STL
1 stop12h 04m
Multiple Airlines
Sun 6/211:20 pm
STL
- MEX
1 stop11h 35m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/217:00 am
MEX
- STL
1 stop6h 31m
Multiple Airlines
Tue 5/266:33 pm
STL
- MEX
2 stops18h 47m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/28:40 am
MEX
- STL
1 stop9h 52m
Multiple Airlines
Sat 6/207:19 pm
STL
- MEX
1 stop28h 26m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$460
This eDestinos deal was found by Cheapflights users on 4/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:45 pm
MEX
- STL
1 stop16h 54m
Volaris
Mon 8/313:33 pm
STL
- MEX
1 stop8h 12m
Volaris
Deal found 4/27![Volaris logo]()
$461
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:40 am
MEX
- STL
1 stop9h 43m
Frontier
Mon 8/313:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 4/27![Frontier logo]()
$465
This PocketFare deal was found by Cheapflights users on 4/22. 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 5/168:45 pm
MEX
- STL
1 stop16h 54m
Frontier
Mon 5/184:19 pm
STL
- MEX
1 stop28h 26m
Frontier
Deal found 4/22![Frontier logo]()
$471
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 April 27, 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 April 27, 2026.
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:05 am
MEX
- STL
1 stop12h 04m
Multiple Airlines
Sun 6/211:20 pm
STL
- MEX
1 stop11h 35m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$429
This PocketFare deal was found by Cheapflights users on 4/22. 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 5/168:45 pm
MEX
- STL
1 stop16h 54m
Frontier
Mon 5/184:19 pm
STL
- MEX
1 stop28h 26m
Frontier
Deal found 4/22![Frontier logo]()
$471
This Volaris deal was found by Cheapflights users on 4/25. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:05 am
MEX
- STL
1 stop12h 04m
Volaris
Mon 7/63:34 pm
STL
- MEX
1 stop8h 11m
Volaris
Deal found 4/25![Volaris logo]()
$485
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:50 am
MEX
- STL
2 stops14h 03m
Delta
Mon 8/106:00 am
STL
- MEX
2 stops8h 25m
Delta
Deal found 4/25![Delta logo]()
$577
This Frontier deal was found by Cheapflights users on 4/24. 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.
Fri 5/228:40 am
MEX
- STL
1 stop9h 43m
Frontier
Tue 5/263:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 4/24![Frontier logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/114:10 pm
MEX
- STL
2 stops39h 45m
Multiple Airlines
Mon 8/243:33 pm
STL
- MEX
1 stop8h 12m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$486
This Volaris deal was found by Cheapflights users on 4/27. 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.
Thu 8/611:05 am
MEX
- STL
1 stop11h 54m
Volaris
Mon 8/103:34 pm
STL
- MEX
1 stop8h 11m
Volaris
Deal found 4/27![Volaris logo]()
$520
This eDestinos deal was found by Cheapflights users on 4/22. 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.
Sat 5/168:40 am
MEX
- STL
2 stops29h 08m
Multiple Airlines
Mon 5/189:18 pm
STL
- MEX
2 stops45h 12m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$536
This CheapOair deal was found by Cheapflights users on 4/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
MEX
- STL
2 stops36h 23m
Frontier
Thu 6/186:31 pm
STL
- MEX
2 stops26h 14m
Frontier
Deal found 4/26![Frontier logo]()
$572
Last-minute flights from Mexico City to St. LouisDiscover last-minute flight deals from Mexico City to St. Louis. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Mexico City to St. Louis. Data last updated April 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/28:40 am
MEX
- STL
1 stop9h 52m
Multiple Airlines
Sat 6/207:19 pm
STL
- MEX
1 stop28h 26m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$460
This Frontier deal was found by Cheapflights users on 4/22. 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.
Mon 5/118:40 am
MEX
- STL
1 stop9h 43m
Frontier
Mon 8/243:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 4/22![Frontier logo]()
$429
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:40 am
MEX
- STL
1 stop9h 43m
Frontier
Mon 8/313:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 4/27![Frontier logo]()
$465
This eDestinos deal was found by Cheapflights users on 4/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:45 pm
MEX
- STL
1 stop16h 54m
Volaris
Mon 8/313:33 pm
STL
- MEX
1 stop8h 12m
Volaris
Deal found 4/27![Volaris logo]()
$461
This PocketFare deal was found by Cheapflights users on 4/22. 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 5/168:45 pm
MEX
- STL
1 stop16h 54m
Frontier
Mon 5/184:19 pm
STL
- MEX
1 stop28h 26m
Frontier
Deal found 4/22![Frontier logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/217:00 am
MEX
- STL
1 stop6h 31m
Multiple Airlines
Tue 5/266:33 pm
STL
- MEX
2 stops18h 47m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/2211:05 pm
MEX
- STL
2 stops19h 26m
Multiple Airlines
Tue 5/263:33 pm
STL
- MEX
1 stop8h 12m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$398
This Frontier deal was found by Cheapflights users on 4/24. 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.
Fri 5/228:40 am
MEX
- STL
1 stop9h 43m
Frontier
Tue 5/263:33 pm
STL
- MEX
1 stop8h 12m
Frontier
Deal found 4/24![Frontier logo]()
$476
This OneTravel deal was found by Cheapflights users on 4/23. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:05 am
MEX
- STL
1 stop11h 52m
Frontier
Sat 6/208:08 pm
STL
- MEX
1 stop22h 22m
Frontier
Deal found 4/23![Frontier logo]()
$397
This CheapOair deal was found by Cheapflights users on 4/23. 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.
Sat 5/3011:05 am
MEX
- STL
1 stop11h 52m
Multiple Airlines
Sat 6/201:20 pm
STL
- MEX
2 stops22h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$448
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 April 27, 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 April 27, 2026.
This Frontier deal was found by Cheapflights users on 4/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:05 am
MEX
- STL
1 stop11h 52m
Frontier
Deal found 4/26![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Wed 5/2710:05 am
MEX
- STL
2 stops30h 28m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$209
This Volaris deal was found by Cheapflights users on 4/26. 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.
Fri 5/158:45 pm
MEX
- STL
1 stop16h 54m
Volaris
Deal found 4/26![Volaris logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/186:20 am
MEX
- STL
2 stops34h 13m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Fri 5/158:45 pm
MEX
- STL
2 stops26h 36m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 6/1212:50 am
MEX
- STL
2 stops16h 44m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$324
This Volaris deal was found by Cheapflights users on 4/24. 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 6/137:00 am
MEX
- STL
1 stop10h 34m
Volaris
Deal found 4/24![Volaris logo]()
$561
This CheapOair deal was found by Cheapflights users on 4/24. 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.
Fri 6/1212:20 am
MEX
- STL
2 stops14h 26m
Air Canada
Deal found 4/24![Air Canada logo]()
$836
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 April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $397 (OneTravel) |
One-way from | $204 (Frontier) |
Popular in | April |
Cheapest in | September |
Average price | $794 |
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 April 27, 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 6/16
11:05 am-12:09 am
1 stop12h 04m
Lambert-St Louis
Sun 6/21
1:20 pm-11:55 pm
1 stop11h 35m
$429
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Sat 5/16
8:45 pm-2:39 pm
1 stop16h 54m
Lambert-St Louis
Mon 5/18
4:19 pm-7:45 pm
1 stop28h 26m
$471
Quickest round-trip
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Fri 5/22
8:40 am-7:23 pm
1 stop9h 43m
Lambert-St Louis
Tue 5/26
3:33 pm-10:45 pm
1 stop8h 12m
$476
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 7/2
11:05 am-12:09 am
1 stop12h 04m
Lambert-St Louis
Mon 7/6
3:34 pm-10:45 pm
1 stop8h 11m
$485
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Mon 5/11
4:10 pm-8:55 am
2 stops39h 45m
Lambert-St Louis
Mon 8/24
3:33 pm-10:45 pm
1 stop8h 12m
$486
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 8/6
11:05 am-11:59 pm
1 stop11h 54m
Lambert-St Louis
Mon 8/10
3:34 pm-10:45 pm
1 stop8h 11m
$520
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Sat 5/16
8:40 am-2:48 pm
2 stops29h 08m
Lambert-St Louis
Mon 5/18
9:18 pm-5:30 pm
2 stops45h 12m
$536
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 6/11
6:00 am-7:23 pm
2 stops36h 23m
Lambert-St Louis
Thu 6/18
6:31 pm-7:45 pm
2 stops26h 14m
$572
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 8/6
8:50 am-11:53 pm
2 stops14h 03m
Lambert-St Louis
Mon 8/10
6:00 am-1:25 pm
2 stops8h 25m
$577
Cheapest one-way
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Wed 5/27
11:05 am-11:57 pm
1 stop11h 52m
$204
Showing 1-10 of 16 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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, September is the cheapest month in which you can book a flight from Mexico City to St. Louis (average of $507). 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 April 27, 2026.
Peruse reviews from past customers who have flown with 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.
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
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St. Louis flight routes
Alternative routes for Mexico City to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Mexico City to St. Louis by cabin class
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 April 27, 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 April 27, 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 April 27, 2026.
Top airline flying from Mexico City to St. Louis
Discover the top airline 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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$607 | FlexibilityNo cancel fee | On-time69% |