$137+ Cheap flights from Mexico 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — STL
May 6 — May 131
1 adult, Economy
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Find cheap flights from Mexico 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 to St. Louis
Keep the following information in mind while searching for Mexico to St. Louis flight deals. Data was last updated May 1, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $385 (Delta) |
One-way from | $137 (Cheapflightsfares) |
Popular in | February |
Cheapest in | March |
Average price | $522 |
Good round-trip deal | $208 or less |
Good one-way deal | $208 or less |
Find flight deals from Mexico to St. Louis
Cheapest flights from Mexico to St. LouisExplore the most affordable flight options available from Mexico to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
Explore the most affordable flight options available from Mexico to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
This Delta deal was found by Cheapflights users on 4/30. 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 7/133:45 pmPVR - STL
1 stop7h 53mDelta
Sat 7/266:00 amSTL - PVR
1 stop7h 10mDelta
Deal found 4/30![Delta logo]()
$385
This Aeromexico deal was found by Cheapflights users on 4/30. 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.
Sun 7/131:25 pmPVR - STL
1 stop9h 28mAeromexico
Sat 7/263:42 pmSTL - PVR
2 stops9h 14mAeromexico
Deal found 4/30![Aeromexico logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/911:05 amMEX - STL
1 stop12h 09mMultiple Airlines
Sun 5/119:55 pmSTL - MEX
1 stop24h 15mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/134:40 amMEX - STL
2 stops10h 53mUnited Airlines
Sun 5/184:50 pmSTL - MEX
1 stop16h 45mUnited Airlines
Deal found 4/29![United Airlines logo]()
$449
This Expedia deal was found by Cheapflights users on 4/30. 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.
Mon 6/1610:00 amCUN - STL
1 stop8h 18mMultiple Airlines
Mon 6/237:29 pmSTL - CUN
1 stop20h 53mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$454
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1610:00 amCUN - STL
1 stop8h 18mSpirit Airlines
Mon 6/237:13 pmSTL - CUN
2 stops16h 13mSpirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$461
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1411:05 amMEX - STL
1 stop11h 48mFrontier
Sat 6/212:52 pmSTL - MEX
2 stops20h 43mFrontier
Deal found 4/29![Frontier logo]()
$476
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/161:21 pmCZM - STL
1 stop6h 28mUnited Airlines
Mon 6/235:55 pmSTL - CZM
1 stop19h 24mUnited Airlines
Deal found 4/30![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/312:40 pmAGU - STL
1 stop8h 35mUnited Airlines
Fri 6/65:20 amSTL - AGU
2 stops15h 07mUnited Airlines
Deal found 4/30![United Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 4/30. 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 10/911:40 amMEX - STL
1 stop10h 59mDelta
Thu 10/239:00 amSTL - MEX
2 stops12h 55mDelta
Deal found 4/30![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 6/147:45 amBJX - STL
2 stops12h 49mDelta
Sat 6/217:00 amSTL - BJX
2 stops13h 09mDelta
Deal found 4/30![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/1411:45 amBJX - STL
2 stops22h 00mUnited Airlines
Sat 6/216:15 amSTL - BJX
1 stop8h 28mUnited Airlines
Deal found 4/30![United Airlines logo]()
$523
Cheapflights Fare Finder
Customize your flight search to find flights from Mexico 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 May 1, 2025.
Use the filters below to find and compare flights from Mexico to St. Louis that are best for you.
Fly from
Mexico
Fly to
St. Louis
Route
Depart
Return
Price
Puerto VallartaSt. Louis
PVR - STL
PVRSTL
Puerto Vallarta Ordaz
Sun 7/13
3:45 pm-12:38 am
1 stop7h 53m
Lambert-St Louis
Sat 7/26
6:00 am-12:10 pm
1 stop7h 10m
$385
Puerto VallartaSt. Louis
PVR - STL
PVRSTL
Puerto Vallarta Ordaz
Sun 7/13
1:25 pm-11:53 pm
1 stop9h 28m
Lambert-St Louis
Sat 7/26
3:42 pm-11:56 pm
2 stops9h 14m
$437
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Tue 5/13
6:30 am-10:03 pm
1 stop14h 33m
Lambert-St Louis
Sun 5/18
4:50 pm-8:35 am
1 stop16h 45m
$449
CancúnSt. Louis
CUN - STL
CUNSTL
Cancun
Mon 6/16
10:00 am-6:18 pm
1 stop8h 18m
Lambert-St Louis
Mon 6/23
7:29 pm-4:22 pm
1 stop20h 53m
$454
CancúnSt. Louis
CUN - STL
CUNSTL
Cancun
Mon 6/16
10:00 am-6:18 pm
1 stop8h 18m
Lambert-St Louis
Mon 6/23
7:13 pm-11:26 am
2 stops16h 13m
$461
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Sat 6/14
11:05 am-11:53 pm
1 stop11h 48m
Lambert-St Louis
Sat 6/21
2:52 pm-10:35 am
2 stops20h 43m
$476
CozumelSt. Louis
CZM - STL
CZMSTL
Cozumel
Mon 6/16
1:21 pm-8:49 pm
1 stop6h 28m
Lambert-St Louis
Mon 6/23
5:55 pm-12:19 pm
1 stop19h 24m
$485
AguascalientesSt. Louis
AGU - STL
AGUSTL
Aguascalients
Tue 6/3
12:40 pm-10:15 pm
1 stop8h 35m
Lambert-St Louis
Fri 6/6
5:20 am-7:27 pm
2 stops15h 07m
$495
Mexico CitySt. Louis
MEX - STL
MEXSTL
Mexico City Benito Juarez
Thu 10/9
11:40 am-11:39 pm
1 stop10h 59m
Lambert-St Louis
Thu 10/23
9:00 am-8:55 pm
2 stops12h 55m
$500
LeónSt. Louis
BJX - STL
BJXSTL
León Del Bajio
Sat 6/14
7:45 am-9:34 pm
2 stops12h 49m
Lambert-St Louis
Sat 6/21
7:00 am-7:09 pm
2 stops13h 09m
$521
Showing 1-10 of 47 results
Best time to book a flight from Mexico to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mexico with our price prediction graph.
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 to St. Louis
What is the cheapest month to book a flight from Mexico to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Mexico to St. Louis (average of $311). Flying from Mexico to St. Louis in March is currently the most expensive (average of $356). 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.
What is the cheapest time of day to fly from MX to STL?
Find hourly flight availability from Mexico to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.
When flying from Mexico to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
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 May 1, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Aeromexico from Mexico to St. Louis to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Food
7.1
Overall
8.0
Boarding
8.2
Crew
8.6
Entertainment
7.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Related info for your journey
Find useful and relevant information for your journey from Mexico 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 Mexico?
Book flights to Mexico if you plan to visit one of these locationsFenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Mexico to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Mexico to St. Louis
Discover the top 3 airlines that operate flights from Mexico 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$441 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$453 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$507 | Average$676 | FlexibilityNo cancel fee | On-time71% |