$308 Cheap Flights from León (BJX) to St. Louis (STL)

View $308 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Bajío Intl. Airport (BJX) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from León to St. Louis (BJX-STL)

Prices were available within the past 7 days and start at $308 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Mon, Dec 15 - Tue, Jan 13
BJX
León
STL
St. Louis
$514 Roundtrip, found 4 days ago
$514
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Mon, Dec 15 from León to St. Louis, returning Tue, Jan 13, priced at $514 found 4 days ago
United
Mon, Dec 15 - Tue, Jan 13
BJX
León
STL
St. Louis
$514 Roundtrip, found 4 days ago
$514
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 15 from León to St. Louis, returning Tue, Jan 13, priced at $514 found 4 days ago
American Airlines
Thu, Feb 26 - Tue, Mar 3
BJX
León
STL
St. Louis
$516 Roundtrip, found 3 days ago
$516
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 26 from León to St. Louis, returning Tue, Mar 3, priced at $516 found 3 days ago
Delta
Thu, Feb 26 - Tue, Mar 3
BJX
León
STL
St. Louis
$516 Roundtrip, found 3 days ago
$516
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 26 from León to St. Louis, returning Tue, Mar 3, priced at $516 found 3 days ago
United
Mon, Dec 15 - Tue, Jan 13
BJX
León
STL
St. Louis
$525 Roundtrip, found 4 days ago
$525
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 15 from León to St. Louis, returning Tue, Jan 13, priced at $525 found 4 days ago
American Airlines
Thu, Feb 26 - Tue, Mar 3
BJX
León
STL
St. Louis
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 26 from León to St. Louis, returning Tue, Mar 3, priced at $525 found 3 days ago
United
Thu, Feb 26 - Tue, Mar 3
BJX
León
STL
St. Louis
$526 Roundtrip, found 3 days ago
$526
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 26 from León to St. Louis, returning Tue, Mar 3, priced at $526 found 3 days ago
United
Tue, Feb 24 - Sun, Mar 1
BJX
León
STL
St. Louis
$529 Roundtrip, found 3 days ago
$529
Roundtrip
found 3 days ago
Select United flight, departing Tue, Feb 24 from León to St. Louis, returning Sun, Mar 1, priced at $529 found 3 days ago
American Airlines
Thu, Feb 26 - Tue, Mar 3
BJX
León
STL
St. Louis
$535 Roundtrip, found 3 days ago
$535
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Feb 26 from León to St. Louis, returning Tue, Mar 3, priced at $535 found 3 days ago
United
Mon, Dec 15 - Tue, Jan 13
BJX
León
STL
St. Louis
$535 Roundtrip, found 4 days ago
$535
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 15 from León to St. Louis, returning Tue, Jan 13, priced at $535 found 4 days ago

Frequently asked questions

How much does a flight from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $308 or cheap return flight from $514 from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL)?
December is the least expensive month to fly from BJX to STL. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from BJX to STL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily direct flights available from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BJX to STL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from BJX to STL just before your getaway is generally more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a BJX to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a BJX to STL flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Del Bajio Airport (BJX) to Lambert-St. Louis Intl. Airport (STL)?
You can usually reschedule or cancel your BJX to STL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Del Bajío
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$514
Distance
1393 mi

Book with confidence

Book with confidence

León to St. Louis Flights

The cheapest times to fly from León to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from León to St. Louis are during the month of December. You can find some of the cheapest flights from León to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from León to St. Louis

Sunday is one of the best days to book for cheap flights from León to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from León to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from León to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $308 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap León to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your León to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

León to St. Louis Flights

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Explore a world of travel with Expedia

*Available to One Key members.