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León

$540+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Cheap flight deals from St. Louis to León

Cheapest flights from St. Louis to León
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 June 17, 2026.

This Aeromexico deal was found by Cheapflights users on 6/12. 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.
Thu 8/207:00 am
STL
-
BJX
1 stop11h 10m
Aeromexico
Mon 8/249:00 am
BJX
-
STL
1 stop13h 58m
Aeromexico
Deal found 6/12$540
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/128:35 am
STL
-
BJX
1 stop6h 08m
United Airlines
Wed 9/25:00 am
BJX
-
STL
2 stops10h 34m
United Airlines
Deal found 6/13$544
This Aeromexico deal was found by Cheapflights users on 6/16. 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.
Mon 8/317:00 am
STL
-
BJX
2 stops9h 17m
Aeromexico
Wed 9/25:48 am
BJX
-
STL
2 stops16h 33m
Aeromexico
Deal found 6/16$550
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 9/110:16 am
STL
-
BJX
1 stop24h 34m
American Airlines
Wed 9/166:00 am
BJX
-
STL
1 stop16h 43m
American Airlines
Deal found 6/13$551
This American Airlines deal was found by Cheapflights users on 6/13. 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 8/125:42 am
STL
-
BJX
1 stop11h 05m
American Airlines
Wed 9/25:44 am
BJX
-
STL
1 stop9h 57m
American Airlines
Deal found 6/13$555
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 8/37:22 pm
STL
-
BJX
1 stop15h 28m
American Airlines
Mon 8/104:53 pm
BJX
-
STL
1 stop15h 31m
American Airlines
Deal found 6/14$585
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 7/308:38 am
STL
-
BJX
1 stop8h 54m
American Airlines
Thu 8/64:53 pm
BJX
-
STL
1 stop15h 31m
American Airlines
Deal found 6/15$627
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 7/161:14 pm
STL
-
BJX
1 stop9h 30m
American Airlines
Thu 7/236:35 am
BJX
-
STL
1 stop16h 17m
American Airlines
Deal found 6/15$647
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/297:03 pm
STL
-
BJX
2 stops36h 14m
Multiple Airlines
Wed 8/55:30 pm
BJX
-
STL
1 stop20h 26m
Multiple Airlines
Deal found 6/14$656
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/295:32 am
STL
-
BJX
1 stop5h 18m
American Airlines
Wed 8/510:50 am
BJX
-
STL
1 stop21h 34m
American Airlines
Deal found 6/14$658
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 7/168:38 am
STL
-
BJX
1 stop8h 54m
American Airlines
Sat 7/256:35 am
BJX
-
STL
1 stop16h 23m
American Airlines
Deal found 6/17$667
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/96:34 am
STL
-
BJX
1 stop10h 50m
Multiple Airlines
Mon 7/137:00 am
BJX
-
STL
2 stops35h 23m
Multiple Airlines
Deal found 6/14$680

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 June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$540
(Aeromexico)

Popular in

December

Cheapest in

September
Provider with most accurate pricing for Lambert-St Louis-León Del Bajio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-León Del Bajio flights.
Search Deals
From Lambert-St Louis to León Del Bajio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($55 potential savings vs. average RT price).
Search Deals

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 2,558,603 searches. Data last updated June 17, 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

Price

Cheapest round-trip

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 8/31

11:00 am-5:10 pm

1 stop7h 10m

León Del Bajio

Wed 9/2

5:48 am-6:27 pm

2 stops11h 39m

$540

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Tue 9/1

7:00 am-11:12 pm

2 stops17h 12m

León Del Bajio

Wed 9/16

8:12 am-11:36 pm

2 stops14h 24m

$540

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 8/12

8:35 am-1:43 pm

1 stop6h 08m

León Del Bajio

Wed 9/2

5:00 am-4:34 pm

2 stops10h 34m

$544

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 7/30

8:38 am-4:32 pm

1 stop8h 54m

León Del Bajio

Thu 8/6

4:53 pm-9:24 am

1 stop15h 31m

$627
Quickest round-trip

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 8/3

6:14 am-10:51 am

1 stop5h 37m

León Del Bajio

Mon 8/10

11:47 am-11:44 pm

2 stops10h 57m

$647

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 7/29

7:03 pm-6:17 am

2 stops36h 14m

León Del Bajio

Wed 8/5

5:30 pm-2:56 pm

1 stop20h 26m

$656

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 7/16

8:38 am-4:32 pm

1 stop8h 54m

León Del Bajio

Sat 7/25

6:35 am-7:53 pm

1 stop12h 18m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

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 June 17, 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.
United Airlines
7.4
Good
9,845 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,845 reviews
United Airlines
7.4
Good
9,845 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,670 reviews
United Airlines
7.4
Good
9,845 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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.

  • How long is the flight from St. Louis to León, Guanajuato?

    There are many flights that can get you from St. Louis to León, Guanajuato in 6h 08m. Fly via Aeromexico, Delta, or United Airlines to get the fastest option. St. Louis and León, Guanajuato are separated by a distance of 1392 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to León, Guanajuato round-trip?

    According to our current data, United Airlines ($526), and American Airlines ($576) offers the cheapest pricing from St. Louis to León, Guanajuato. United Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from St. Louis to León that include hotel bookings?

    Yes. In addition to deals on St. Louis to León flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to León?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to León.

  • Can I find deals for business class flights from St. Louis to León?

    Yes. Cheapflights offers flight deals from St. Louis to León by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to León

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to León flights

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 2,558,603 searches. Data last updated June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$526Average$702FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$576Average$653FlexibilityNo cancel feeOn-time71%

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