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León

$181+ Cheap flights from St. Louis (STL) to León, Mexico (BJX)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BJX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 15, 2025.

Round-trip from

$486
(American Airlines)

One-way from

$181
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$526
From Lambert-St Louis to León Del Bajio
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One-way flight from Lambert-St Louis to León Del Bajio
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Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:58 pmSTL - BJX
1 stop21h 19mAmerican Airlines
Tue 3/36:09 amBJX - STL
1 stop12h 10mAmerican Airlines
Deal found 9/12$486
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amSTL - BJX
2 stops31h 05mMultiple Airlines
Fri 1/97:01 amBJX - STL
1 stop8h 25mMultiple Airlines
Deal found 9/13$490
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:09 pmSTL - BJX
1 stop23h 03mAmerican Airlines
Tue 3/36:09 amBJX - STL
1 stop9h 57mAmerican Airlines
Deal found 9/12$506
This Aeromexico deal was found by Cheapflights users on 9/12. 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.
Mon 11/37:05 amSTL - BJX
1 stop9h 19mAeromexico
Tue 3/36:30 pmBJX - STL
2 stops29h 10mAeromexico
Deal found 9/12$524
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:21 amSTL - BJX
1 stop25h 13mMultiple Airlines
Thu 10/27:45 pmBJX - STL
2 stops45h 25mMultiple Airlines
Deal found 9/13$539
This Aeromexico deal was found by Cheapflights users on 9/12. 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.
Sun 11/25:00 amSTL - BJX
1 stop10h 54mAeromexico
Tue 3/35:50 amBJX - STL
2 stops17h 50mAeromexico
Deal found 9/12$544
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:55 pmSTL - BJX
2 stops9h 23mDelta
Mon 11/1711:29 amBJX - STL
2 stops12h 11mDelta
Deal found 9/13$546
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:43 pmSTL - BJX
2 stops19h 11mUnited Airlines
Tue 3/312:50 pmBJX - STL
2 stops10h 06mUnited Airlines
Deal found 9/12$643

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 September 15, 2025.
Use the filters below to find and compare flights from St. Louis to León that are best for you.

Fly from

St. Louis

Fly to

León

Route

Depart

Return

Price

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 11/3

5:58 pm-3:17 pm

1 stop21h 19m

León Del Bajio

Tue 3/3

6:09 am-6:19 pm

1 stop12h 10m

$486

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 12/14

6:00 am-1:05 pm

2 stops31h 05m

León Del Bajio

Fri 1/9

7:01 am-3:26 pm

1 stop8h 25m

$490

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sat 11/1

5:09 pm-3:12 pm

1 stop23h 03m

León Del Bajio

Tue 3/3

6:09 am-4:06 pm

1 stop9h 57m

$506

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 11/3

7:05 am-4:24 pm

1 stop9h 19m

León Del Bajio

Tue 3/3

6:30 pm-11:40 pm

2 stops29h 10m

$524

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Wed 9/24

10:21 am-10:34 am

1 stop25h 13m

León Del Bajio

Thu 10/2

7:45 pm-6:10 pm

2 stops45h 25m

$539

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 11/2

7:05 am-4:54 pm

1 stop9h 49m

León Del Bajio

Wed 3/4

11:24 am-8:39 pm

2 stops9h 15m

$544

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Sun 11/2

5:00 am-3:54 pm

1 stop10h 54m

León Del Bajio

Tue 3/3

5:50 am-11:40 pm

2 stops17h 50m

$544

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 11/14

1:55 pm-11:18 pm

2 stops9h 23m

León Del Bajio

Mon 11/17

11:29 am-11:40 pm

2 stops12h 11m

$546

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 11/14

9:38 am-11:34 pm

1 stop13h 56m

León Del Bajio

Mon 11/17

12:04 pm-7:30 pm

1 stop7h 26m

$546

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Fri 11/14

7:05 am-9:01 pm

2 stops13h 56m

León Del Bajio

Mon 11/17

9:36 am-11:40 pm

1 stop14h 04m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
2

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.

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 $355). Flying from St. Louis to León, Guanajuato in December is currently the most expensive (average of $733). 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.

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 15, 2025.
Read reviews from past customers who have flown 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.
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 9h 19m. Fly via American Airlines or Aeromexico 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 is the cheapest airline to fly from St. Louis to León, Guanajuato round-trip?

    According to our current data, American Airlines ($469), offers the cheapest pricing from St. Louis to León, Guanajuato. American Airlines is priced at 22% 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.

  • 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 $355). Flying from St. Louis to León, Guanajuato in December is currently the most expensive (average of $733). 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.

See more FAQs

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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
St. Louis to Santiago de Querétaro flights

Top airline flying from St. Louis to León

Discover the top airline 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$566FlexibilityNo cancel feeOn-time71%

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