$159+ Cheap flights from St. Louis (STL) to Mexico City (MEX)
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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Mexico City 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 St. Louis to Mexico City
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Best
Last-minute
One-way
Cheapest flights from St. Louis to Mexico CityExplore the most affordable flight options available from St. Louis to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from St. Louis to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:10 pm
STL
- MEX
1 stop22h 20m
Frontier
Wed 10/218:40 am
MEX
- STL
1 stop9h 35m
Frontier
Deal found 7/26![Frontier logo]()
$377
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.
Mon 8/246:17 pm
STL
- MEX
2 stops28h 58m
Multiple Airlines
Thu 8/278:40 am
MEX
- STL
1 stop9h 33m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/2110:35 am
STL
- MEX
2 stops36h 40m
Multiple Airlines
Sun 10/2512:05 pm
MEX
- STL
1 stop12h 12m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$420
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:10 pm
STL
- MEX
1 stop20h 50m
Frontier
Mon 11/97:00 am
MEX
- STL
1 stop10h 54m
Frontier
Deal found 7/26![Frontier 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.
Tue 9/85:27 pm
STL
- MEX
1 stop6h 18m
Multiple Airlines
Tue 9/156:20 am
MEX
- STL
2 stops29h 50m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$424
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.
Tue 8/255:27 pm
STL
- MEX
1 stop6h 18m
Multiple Airlines
Tue 9/17:00 am
MEX
- STL
1 stop8h 31m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/1410:35 am
STL
- MEX
2 stops36h 40m
Multiple Airlines
Wed 10/218:40 am
MEX
- STL
1 stop9h 35m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 9/15:27 pm
STL
- MEX
1 stop6h 18m
Multiple Airlines
Sat 9/56:20 am
MEX
- STL
2 stops34h 02m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$431
Best flights from St. Louis to Mexico CityDiscover carefully curated flight deals from St. Louis to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from St. Louis to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
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.
Mon 10/196:10 am
STL
- MEX
1 stop11h 30m
Volaris
Fri 10/2311:55 am
MEX
- STL
1 stop12h 22m
Volaris
Deal found 7/26![Volaris logo]()
$509
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.
Wed 11/45:32 pm
STL
- MEX
1 stop27h 38m
Multiple Airlines
Tue 11/1011:00 am
MEX
- STL
1 stop11h 39m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$524
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:10 pm
STL
- MEX
2 stops26h 35m
Frontier
Mon 11/97:00 am
MEX
- STL
1 stop10h 54m
Frontier
Deal found 7/26![Frontier logo]()
$532
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:05 am
STL
- MEX
2 stops10h 35m
Delta
Thu 1/77:00 am
MEX
- STL
1 stop13h 51m
Delta
Deal found 7/25![Delta logo]()
$574
This Aeromexico 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:00 pm
STL
- MEX
2 stops11h 25m
Aeromexico
Tue 11/39:05 am
MEX
- STL
2 stops12h 54m
Aeromexico
Deal found 7/27![Aeromexico logo]()
$600
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:51 am
STL
- MEX
2 stops10h 44m
Delta
Mon 12/72:55 pm
MEX
- STL
1 stop8h 23m
Delta
Deal found 7/23![Delta logo]()
$574
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.
Sat 10/316:10 am
STL
- MEX
1 stop14h 45m
Volaris
Tue 11/311:55 am
MEX
- STL
1 stop10h 44m
Volaris
Deal found 7/28![Volaris logo]()
$586
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am
STL
- MEX
2 stops10h 35m
Delta
Wed 12/306:50 am
MEX
- STL
2 stops11h 11m
Delta
Deal found 7/23![Delta logo]()
$604
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.
Wed 12/1612:20 pm
STL
- MEX
2 stops10h 15m
Delta
Fri 1/87:00 am
MEX
- STL
2 stops13h 37m
Delta
Deal found 7/26![Delta logo]()
$604
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:20 pm
STL
- MEX
2 stops10h 15m
Delta
Tue 1/126:40 am
MEX
- STL
2 stops11h 21m
Delta
Deal found 7/25![Delta logo]()
$607
Last-minute flights from St. Louis to Mexico CityDiscover last-minute flight deals from St. Louis to Mexico City. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Mexico City. Data last updated July 28, 2026 and is based on user searches.
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 8/116:34 pm
STL
- MEX
2 stops28h 41m
Multiple Airlines
Sat 8/157:00 am
MEX
- STL
1 stop6h 56m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$505
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.
Wed 8/124:57 pm
STL
- MEX
2 stops30h 18m
Multiple Airlines
Sat 8/157:00 am
MEX
- STL
1 stop6h 56m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/144:57 pm
STL
- MEX
2 stops20h 23m
Multiple Airlines
Sun 8/168:45 pm
MEX
- STL
1 stop16h 38m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/144:57 pm
STL
- MEX
2 stops30h 18m
Multiple Airlines
Mon 8/178:40 am
MEX
- STL
1 stop9h 43m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 8/153:41 pm
STL
- MEX
1 stop8h 04m
Multiple Airlines
Sun 8/168:45 pm
MEX
- STL
1 stop16h 38m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 8/154:57 pm
STL
- MEX
2 stops30h 18m
Multiple Airlines
Mon 8/178:40 am
MEX
- STL
1 stop9h 43m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$492
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.
Sun 8/166:34 pm
STL
- MEX
2 stops28h 41m
Multiple Airlines
Mon 8/248:40 am
MEX
- STL
1 stop9h 33m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$440
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.
Mon 8/246:17 pm
STL
- MEX
2 stops28h 58m
Multiple Airlines
Thu 8/278:40 am
MEX
- STL
1 stop9h 33m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$403
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.
Tue 8/255:27 pm
STL
- MEX
1 stop6h 18m
Multiple Airlines
Tue 9/17:00 am
MEX
- STL
1 stop8h 31m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$425
One-way flights from St. Louis to Mexico CitySearch for one-way flight options from St. Louis to Mexico City. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from St. Louis to Mexico City. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
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.
Fri 8/286:17 pm
STL
- MEX
2 stops28h 58m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 8/174:57 pm
STL
- MEX
2 stops30h 18m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$160
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.
Tue 8/255:27 pm
STL
- MEX
1 stop6h 18m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$180
Find flight deals from St. Louis to Mexico City
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mexico City (MEX). 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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Kiwi.com) |
One-way from | $159 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $716 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Mexico City 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 28, 2026.
Use the filters below to find and compare flights from St. Louis to Mexico City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Mon 10/19
6:10 am-4:40 pm
1 stop11h 30m
Mexico City Benito Juarez
Fri 10/23
11:55 am-1:17 am
1 stop12h 22m
$509
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Wed 11/4
5:32 pm-9:10 pm
1 stop27h 38m
Mexico City Benito Juarez
Tue 11/10
11:00 am-10:39 pm
1 stop11h 39m
$524
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Thu 11/5
8:10 pm-10:45 pm
2 stops26h 35m
Mexico City Benito Juarez
Mon 11/9
7:00 am-5:54 pm
1 stop10h 54m
$532
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Thu 12/10
7:05 am-5:40 pm
2 stops10h 35m
Mexico City Benito Juarez
Thu 1/7
7:00 am-8:51 pm
1 stop13h 51m
$574
Quickest round-trip
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Thu 12/3
11:51 am-10:35 pm
2 stops10h 44m
Mexico City Benito Juarez
Mon 12/7
2:55 pm-11:18 pm
1 stop8h 23m
$574
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Sat 10/31
6:10 am-7:55 pm
1 stop14h 45m
Mexico City Benito Juarez
Tue 11/3
11:55 am-10:39 pm
1 stop10h 44m
$586
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Fri 10/30
12:00 pm-10:25 pm
2 stops11h 25m
Mexico City Benito Juarez
Tue 11/3
9:05 am-9:59 pm
2 stops12h 54m
$600
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Sun 12/6
6:00 am-4:35 pm
2 stops10h 35m
Mexico City Benito Juarez
Wed 12/30
6:50 am-6:01 pm
2 stops11h 11m
$604
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Wed 12/16
12:20 pm-10:35 pm
2 stops10h 15m
Mexico City Benito Juarez
Fri 1/8
7:00 am-8:37 pm
2 stops13h 37m
$604
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Mon 12/14
12:20 pm-10:35 pm
2 stops10h 15m
Mexico City Benito Juarez
Tue 1/12
6:40 am-6:01 pm
2 stops11h 21m
$607
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Mexico City
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 St. Louis to Mexico City in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Mexico City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Mexico City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Mexico City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Mexico City 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 St. Louis-Mexico City 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 St. Louis to Mexico City
Have a flexible travel schedule? Discover the best time to fly to Mexico City from St. Louis with our price prediction graph.
STL-MEX
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 St. Louis to Mexico City
How far ahead should I book a flight from St. Louis to Mexico City?
The price you pay for your flight from St. Louis to Mexico City may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Mexico City?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Mexico City (average of $572). Flying from St. Louis to Mexico City in December is currently the most expensive (average of $802). 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 St. Louis to Mexico City?
Airfare is below average for this route at the moment.
St. Louis to Mexico City flights typically cost between $666 and $750 in September.The cheapest round-trip price found within the last 5 days was $369 on Multiple Airlines (Sep 11-Sep 17).
Reviews of airlines servicing Mexico City
Get insights into the airlines that provide service to Mexico City. 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 Mexico City. Reviews last updated July 28, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to Mexico City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Mexico City. 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 Mexico City?
Book flights to Mexico City if you plan to visit one of these locationsTaxco
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Complete your trip to Mexico City by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Mexico City
Explore flights to Mexico City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
St. Louis and Mexico City flights
Browse other St. Louis and Mexico City flight options. Last updated on July 28, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Mexico City
Discover the top 3 airlines that operate flights from St. Louis to Mexico City. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$684 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$550 | Average$694 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$574 | Average$730 | FlexibilityNo cancel fee | On-time71% |