$611+ Cheap flights from St. Louis (STL) to León, Mexico (BJX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to León 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
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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 León
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Cheapest flights from St. Louis to LeónExplore the most affordable flight options available from St. Louis to León. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from St. Louis to León. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Sat 11/76:20 am -
1 stop9h 24m
Sat 11/146:11 am -
2 stops13h 03m
Deal found 9/22![Multiple Airlines logo]()
$645
This CheapOair deal was found by Cheapflights users on 9/19. 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.
Sun 11/11:28 pm -
2 stops40h 18m
Mon 11/98:36 pm -
2 stops45h 04m
Deal found 9/19![Frontier logo]()
$661
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sun 11/16:15 am -
1 stop8h 28m
Mon 11/93:50 pm -
1 stop6h 36m
Deal found 9/19![United Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 9/19. 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 11/12:25 pm -
2 stops8h 52m
Mon 11/98:48 am -
1 stop15h 08m
Deal found 9/19![Delta logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/116:30 am -
1 stop7h 14m
Sun 10/188:23 am -
2 stops33h 52m
Deal found 9/20![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 10/1111:10 am -
1 stop9h 21m
Sun 10/182:50 pm -
1 stop6h 40m
Deal found 9/20![United Airlines logo]()
$738
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop6h 13m
Fri 10/26:00 am -
1 stop12h 07m
Deal found 9/18![American Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 9/21. 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 9/232:30 pm -
2 stops9h 36m
Fri 10/28:58 am -
1 stop10h 23m
Deal found 9/21![Delta logo]()
$773
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/3111:15 am -
2 stops25h 39m
Wed 11/45:55 am -
2 stops26h 58m
Deal found 9/21![United Airlines logo]()
$807
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 12/246:00 am -
1 stop30h 45m
Mon 1/47:05 pm -
2 stops45h 22m
Deal found 9/21![Multiple Airlines logo]()
$843
Best flights from St. Louis to LeónDiscover carefully curated flight deals from St. Louis to León that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from St. Louis to León that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:15 am -
1 stop5h 39m
Sun 1/245:55 am -
1 stop8h 10m
Deal found 9/21![United Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 9/21. 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 1/2111:51 am -
2 stops11h 26m
Sun 1/2410:31 am -
2 stops13h 08m
Deal found 9/21![Delta logo]()
$637
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/175:29 am -
1 stop15h 52m
Sat 1/236:00 am -
1 stop12h 30m
Deal found 9/22![American Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/179:00 am -
1 stop9h 10m
Sat 1/2311:46 am -
2 stops11h 53m
Deal found 9/22![Delta logo]()
$641
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sun 11/16:15 am -
1 stop8h 28m
Mon 11/93:50 pm -
1 stop6h 36m
Deal found 9/19![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:15 am -
1 stop5h 39m
Sat 11/143:50 pm -
1 stop6h 36m
Deal found 9/22![United Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 9/19. 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 11/12:25 pm -
2 stops8h 52m
Mon 11/98:48 am -
1 stop15h 08m
Deal found 9/19![Delta logo]()
$669
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:30 am -
2 stops28h 24m
Wed 11/45:55 am -
2 stops15h 57m
Deal found 9/22![United Airlines logo]()
$807
Last-minute flights from St. Louis to LeónDiscover last-minute flight deals from St. Louis to León. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to León. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop6h 13m
Fri 10/26:00 am -
1 stop12h 07m
Deal found 9/18![American Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 9/21. 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 9/232:30 pm -
2 stops9h 36m
Fri 10/28:58 am -
1 stop10h 23m
Deal found 9/21![Delta logo]()
$773
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 am -
1 stop7h 30m
Sat 9/261:13 pm -
1 stop9h 30m
Deal found 9/18![American Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 9/256:15 am -
1 stop8h 28m
Sat 9/2611:47 am -
2 stops10h 12m
Deal found 9/18![United Airlines logo]()
$929
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Wed 10/76:00 am -
2 stops8h 43m
Sun 10/115:00 am -
2 stops15h 21m
Deal found 9/18![United Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/116:30 am -
1 stop7h 14m
Sun 10/188:23 am -
2 stops33h 52m
Deal found 9/20![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 10/1111:10 am -
1 stop9h 21m
Sun 10/182:50 pm -
1 stop6h 40m
Deal found 9/20![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/3111:15 am -
2 stops25h 39m
Wed 11/45:55 am -
2 stops26h 58m
Deal found 9/21![United Airlines logo]()
$807
Find flight deals from St. Louis to León
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to León (BJX). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $611 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $601 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to León 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from St. Louis to León that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Thu 1/21
6:15 am-11:54 am
1 stop5h 39m
León Del Bajio
Sun 1/24
5:55 am-2:05 pm
1 stop8h 10m
$611
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Thu 1/21
11:51 am-11:17 pm
2 stops11h 26m
León Del Bajio
Sun 1/24
10:31 am-11:39 pm
2 stops13h 08m
$637
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sun 1/17
5:29 am-9:21 pm
1 stop15h 52m
León Del Bajio
Sat 1/23
6:00 am-6:30 pm
1 stop12h 30m
$641
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sun 1/17
9:00 am-6:10 pm
1 stop9h 10m
León Del Bajio
Sat 1/23
11:46 am-11:39 pm
2 stops11h 53m
$641
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sun 11/1
6:15 am-2:43 pm
1 stop8h 28m
León Del Bajio
Mon 11/9
3:50 pm-10:26 pm
1 stop6h 36m
$667
Quickest round-trip
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sat 11/7
6:15 am-11:54 am
1 stop5h 39m
León Del Bajio
Sat 11/14
3:50 pm-10:26 pm
1 stop6h 36m
$667
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sun 11/1
2:25 pm-11:17 pm
2 stops8h 52m
León Del Bajio
Mon 11/9
8:48 am-11:56 pm
1 stop15h 08m
$669
St. LouisLeón
STL Lambert-St Louis - BJX León Del Bajio
STLBJX
Lambert-St Louis
Sat 10/31
8:30 am-11:54 am
2 stops28h 24m
León Del Bajio
Wed 11/4
5:55 am-9:52 pm
2 stops15h 57m
$807
Sorted by cheapest first
Compare providers for flights from St. Louis to León
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 León in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-León, Guanajuato flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-León, Guanajuato flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-León, Guanajuato flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-León, Guanajuato 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-León, Guanajuato 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 León
Have a flexible travel schedule? Discover the best time to fly to León from St. Louis with our price prediction graph.
STL-BJX
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 León
What is the cheapest month to book a flight from St. Louis to León, Guanajuato?
Currently, January is the cheapest month in which you can book a flight from St. Louis to León, Guanajuato (average of $559). Flying from St. Louis to León, Guanajuato in December is currently the most expensive (average of $1,228). 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 León, Guanajuato?
Airfare is typical for this route at the moment.
St. Louis to León, Guanajuato flights typically cost between $604 and $650 in January.The cheapest round-trip price found within the last 5 days was $611 on United Airlines (Jan 21-Jan 24).
Reviews of airlines servicing León
Get insights into the airlines that provide service to León. 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 León. Reviews last updated September 23, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from St. Louis to León. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from St. Louis to León. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to León by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to León
Explore flights to León departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
St. Louis and León flights
Browse other St. Louis and León flight options. Last updated on September 23, 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 September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to León
Discover the top 2 airlines that operate flights from St. Louis to León. 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$702 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$576 | Average$680 | FlexibilityNo cancel fee | On-time71% |