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León

$152+ Cheap flights from Illinois 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BJX
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from Illinois to León

Keep the following information in mind while searching for Illinois to León flight deals. Data was last updated August 2, 2025.

Round-trip from

$285
(Kiwi.com)

One-way from

$152
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$331

Good round-trip deal

$346 or less

Good one-way deal

$192 or less
From Illinois to León Del Bajio
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One-way flight from Illinois to León Del Bajio
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Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to León Del Bajio.
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Price to beat on a one-way flight from Illinois to León Del Bajio.
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Find flight deals from Illinois to León

Cheapest flights from Illinois to León
Explore the most affordable flight options available from Illinois to León. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/1012:25 pmORD - BJX
1 stop11h 50mViva
Mon 10/201:55 pmBJX - ORD
1 stop8h 40mViva
Deal found 7/31$285
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:25 pmORD - BJX
1 stop22h 15mMultiple Airlines
Mon 9/2211:59 pmBJX - ORD
Nonstop3h 52mMultiple Airlines
Deal found 7/31$289
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/226:31 amORD - BJX
Nonstop4h 01mVolaris
Thu 8/2811:49 pmBJX - ORD
Nonstop4h 02mVolaris
Deal found 7/31$290
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/213:36 pmMDW - BJX
Nonstop3h 51mVolaris
Fri 8/299:27 amBJX - MDW
Nonstop3h 54mVolaris
Deal found 7/31$370
This Aeromexico deal was found by Cheapflights users on 8/1. 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 9/156:00 amMDW - BJX
1 stop13h 05mAeromexico
Mon 9/227:43 pmBJX - MDW
2 stops20h 52mAeromexico
Deal found 8/1$372
This Delta deal was found by Cheapflights users on 7/31. 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 9/36:00 amMDW - BJX
2 stops12h 15mDelta
Wed 9/176:03 amBJX - MDW
2 stops14h 33mDelta
Deal found 7/31$381
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/228:39 pmMDW - BJX
2 stops17h 46mMultiple Airlines
Fri 8/299:27 amBJX - MDW
Nonstop3h 54mMultiple Airlines
Deal found 7/31$427
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/103:36 pmMDW - BJX
Nonstop3h 55mFrontier
Mon 10/209:30 amBJX - MDW
Nonstop3h 51mFrontier
Deal found 7/31$486
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/117:15 amSTL - BJX
1 stop10h 32mFrontier
Sat 8/236:00 amBJX - STL
1 stop11h 09mFrontier
Deal found 8/1$522
This Aeromexico deal was found by Cheapflights users on 7/31. 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 8/286:00 amSTL - BJX
1 stop12h 55mAeromexico
Tue 9/28:03 pmBJX - STL
2 stops24h 59mAeromexico
Deal found 7/31$525
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 9/56:00 amMLI - BJX
2 stops9h 21mDelta
Mon 9/89:25 amBJX - MLI
1 stop12h 23mDelta
Deal found 7/30$545
This American Airlines deal was found by Cheapflights users on 8/2. 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 10/168:49 amSTL - BJX
1 stop6h 18mAmerican Airlines
Mon 10/205:09 amBJX - STL
1 stop14h 42mAmerican Airlines
Deal found 8/2$546

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 August 2, 2025.
Use the filters below to find and compare flights from Illinois to León that are best for you.

Fly from

Illinois

Fly to

León

Route

Depart

Return

Price

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Fri 10/10

12:25 pm-11:15 pm

1 stop11h 50m

León Del Bajio

Mon 10/20

11:59 pm-4:51 am

Nonstop3h 52m

$285

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Wed 8/20

8:15 pm-11:20 pm

Nonstop4h 05m

León Del Bajio

Wed 8/27

1:55 pm-11:50 pm

1 stop8h 55m

$286

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Fri 8/22

6:31 am-9:32 am

Nonstop4h 01m

León Del Bajio

Thu 8/28

11:49 pm-4:51 am

Nonstop4h 02m

$290

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Thu 8/21

3:36 pm-6:27 pm

Nonstop3h 51m

León Del Bajio

Fri 8/29

9:27 am-2:21 pm

Nonstop3h 54m

$370

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Mon 9/15

6:00 am-6:05 pm

1 stop13h 05m

León Del Bajio

Mon 9/22

7:43 pm-5:35 pm

2 stops20h 52m

$372

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Wed 9/3

6:00 am-5:15 pm

2 stops12h 15m

León Del Bajio

Wed 9/17

6:03 am-9:36 pm

2 stops14h 33m

$381

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Fri 8/22

8:39 pm-1:25 pm

2 stops17h 46m

León Del Bajio

Fri 8/29

9:27 am-2:21 pm

Nonstop3h 54m

$427

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Fri 10/10

3:36 pm-6:31 pm

Nonstop3h 55m

León Del Bajio

Mon 10/20

9:30 am-2:21 pm

Nonstop3h 51m

$486

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Mon 8/11

7:15 am-4:47 pm

1 stop10h 32m

León Del Bajio

Sat 8/23

6:00 am-6:09 pm

1 stop11h 09m

$522

St. LouisLeón

STL - BJX

STLBJX

Lambert-St Louis

Thu 8/28

6:00 am-5:55 pm

1 stop12h 55m

León Del Bajio

Tue 9/2

8:03 pm-10:02 pm

2 stops24h 59m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 25 results
1
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Best time to book a flight from Illinois to León

Have a flexible travel schedule? Discover the best time to fly to León from Illinois 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 Illinois to León

What is the cheapest month to book a flight from Illinois to León, Guanajuato?

Currently, January is the cheapest month in which you can book a flight from Illinois to León, Guanajuato (average of $355). Flying from Illinois to León, Guanajuato in December is currently the most expensive (average of $724). 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 IL to BJX?

Find hourly flight availability from Illinois to León. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

When flying from Illinois to León, Guanajuato, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 2, 2025.
Peruse reviews from past customers who have flown with Delta, Aeromexico, and United Airlines from Illinois to León to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,719 reviews
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Viva
7.0
Good
788 reviews
Delta
8.0
Very good
7,983 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to León. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to León from Illinois?

    If you book a flight to León from Illinois, you will be flying to Del Bajio, which is the city’s only airport. León Del Bajio (BJX) is located 15.8 mi from the center of León.

  • What are the cheapest airlines to fly from Illinois to León, Guanajuato one-way?

    $152 is the cheapest one-way deal found within the past few days, from Viva. You may also be able to find cheap deals on Volaris and Delta, with prices starting from $153 and $308, respectively.

  • What are the most popular routes from Illinois to León, Guanajuato?

    When deciding which route to take from Illinois to León, Guanajuato consider Chicago O'Hare Intl - León Del Bajio, Chicago Midway - León Del Bajio or Lambert-St Louis - León Del Bajio as they are the most popular.

  • What are the most reliable airlines from Illinois to León, Guanajuato?

    The top 3 most reliable airlines when flying from Illinois to León, Guanajuato are Frontier (56%), Volaris (56%) and Viva (10%).

  • What are the cheapest flights from Illinois to León, Guanajuato?

    Looking at all options, your cheapest flight can be booked for $159. While the most popular route (Chicago O'Hare Intl - León Del Bajio) can be booked for $247 on average our data indicates $332 when flying from Illinois to León, Guanajuato.

  • Can I find deals for flights from Illinois to León that include hotel bookings?

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

  • How can I find direct flights from Illinois to León?

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

  • Can I find deals for business class flights from Illinois to León?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to León, Guanajuato?

    Currently, January is the cheapest month in which you can book a flight from Illinois to León, Guanajuato (average of $355). Flying from Illinois to León, Guanajuato in December is currently the most expensive (average of $724). 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 Illinois to León

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to León

Discover the top 7 airlines that operate flights from Illinois 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$144Average$360FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$162Average$230FlexibilityNo cancel feeOn-time62%
VolarisCheapest$218Average$369FlexibilityNo cancel feeOn-time79%
VivaCheapest$235Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$260Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$302Average$564FlexibilityNo cancel feeOn-time69%
DeltaCheapest$318Average$427FlexibilityNo cancel feeOn-timeN/A

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