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León

$177+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BJX
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:30 pmORD - BJX
Nonstop4h 10mMultiple Airlines
Sun 1/118:05 pmBJX - ORD
2 stops18h 12mMultiple Airlines
Deal found 12/12$392
This Booking.com deal was found by Cheapflights users on 12/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:30 pmORD - BJX
1 stop20h 30mViva
Wed 12/1712:50 amBJX - ORD
Nonstop3h 50mViva
Deal found 12/13$431
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Mon 12/294:30 pmORD - BJX
1 stop14h 46mMultiple Airlines
Sat 1/175:35 pmBJX - ORD
2 stops19h 45mMultiple Airlines
Deal found 12/14$440
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/1211:43 amORD - BJX
2 stops19h 33mMultiple Airlines
Sun 12/146:57 pmBJX - ORD
Nonstop3h 51mMultiple Airlines
Deal found 12/11$451
This Booking.com deal was found by Cheapflights users on 12/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:30 pmORD - BJX
1 stop20h 30mViva
Tue 12/238:00 pmBJX - ORD
1 stop19h 00mViva
Deal found 12/14$453
This Booking.com deal was found by Cheapflights users on 12/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/144:30 pmORD - BJX
1 stop24h 05mViva
Sun 12/216:10 amBJX - ORD
1 stop8h 50mViva
Deal found 12/12$455
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/144:30 pmORD - BJX
1 stop14h 46mMultiple Airlines
Wed 12/246:10 amBJX - ORD
1 stop8h 50mMultiple Airlines
Deal found 12/13$458
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Thu 12/1811:09 amMLI - BJX
1 stop12h 40mAmerican Airlines
Thu 12/258:29 amBJX - MLI
1 stop6h 22mAmerican Airlines
Deal found 12/13$660
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/186:12 amMDW - BJX
3 stops54h 41mMultiple Airlines
Thu 12/258:41 amBJX - MDW
Nonstop3h 46mMultiple Airlines
Deal found 12/11$693
This Aeromexico deal was found by Cheapflights users on 12/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 amMDW - BJX
1 stop10h 24mAeromexico
Tue 12/238:33 amBJX - MDW
1 stop13h 49mAeromexico
Deal found 12/14$730
This Aeromexico deal was found by Cheapflights users on 12/11. 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.
Fri 12/126:00 amMDW - BJX
2 stops17h 18mAeromexico
Sun 12/147:04 amBJX - MDW
2 stops16h 43mAeromexico
Deal found 12/11$739
This Priceline deal was found by Cheapflights users on 12/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amMDW - BJX
1 stop10h 54mAeromexico
Wed 12/247:28 amBJX - MDW
1 stop7h 16mAeromexico
Deal found 12/13$755

Find flight deals from Illinois to León

Keep the following information in mind while searching for Illinois to León flight deals. Data was last updated December 14, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$308
(Kiwi.com)

One-way from

$177
(eDestinos)

Popular in

December

Cheapest in

May

Average price

$563

Good round-trip deal

$451 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Chicago (CHI)-León Del Bajio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-León Del Bajio flights.
Search Deals
From Illinois to León Del Bajio
Search Deals
One-way flight from Illinois to León Del Bajio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to León Del Bajio.
Search Deals
Price to beat on a one-way flight from Illinois to León Del Bajio.
Search Deals

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 December 14, 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

Mon 1/12

1:00 am-5:18 am

Nonstop4h 18m

León Del Bajio

Sun 1/25

5:35 pm-11:50 pm

1 stop6h 15m

$336

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Fri 1/9

1:20 am-9:35 am

1 stop8h 15m

León Del Bajio

Fri 2/20

5:30 pm-11:50 pm

1 stop6h 20m

$352

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Wed 1/14

1:20 am-9:35 am

1 stop8h 15m

León Del Bajio

Tue 1/20

5:35 pm-4:36 am

2 stops11h 01m

$354

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Wed 1/28

2:18 pm-9:30 pm

1 stop7h 12m

León Del Bajio

Wed 2/4

6:15 am-11:50 pm

1 stop17h 35m

$376

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sat 1/10

1:10 am-9:35 am

1 stop8h 25m

León Del Bajio

Sun 1/18

5:35 pm-11:50 pm

1 stop6h 15m

$394

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Tue 2/3

6:00 am-6:17 pm

2 stops12h 17m

León Del Bajio

Tue 2/10

5:59 am-5:29 pm

2 stops11h 30m

$410

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sun 2/8

1:11 am-4:14 pm

1 stop15h 03m

León Del Bajio

Fri 2/13

12:19 pm-11:00 pm

1 stop10h 41m

$415

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Tue 3/10

7:05 am-6:17 pm

2 stops12h 12m

León Del Bajio

Sat 3/14

5:55 am-1:40 pm

1 stop6h 45m

$420

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sat 2/14

12:59 pm-5:45 am

3 stops16h 46m

León Del Bajio

Sun 2/22

6:57 pm-10:48 pm

Nonstop3h 51m

$426

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Tue 2/24

6:00 am-4:14 pm

2 stops10h 14m

León Del Bajio

Fri 3/6

7:52 am-10:42 pm

2 stops14h 50m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 48 results
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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, May is the cheapest month in which you can book a flight from Illinois to León, Guanajuato (average of $106). Flying from Illinois to León, Guanajuato in December is currently the most expensive (average of $245). 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 December 14, 2025.

When flying from Illinois to León, Guanajuato, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 58% versus a flight at noon.

What is the cheapest day to fly from Illinois to León, Guanajuato?

Use this chart to determine the cheapest time to fly round-trip from Illinois to León. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to León, Guanajuato flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to León, Guanajuato

Explore weekly flight availability from Illinois to León. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 14, 2025.

The most flights from USIL to BJX are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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.

  • How long is the flight from Illinois to León, Guanajuato?

    A quick flight from Illinois to León, Guanajuato can take about 8h 15m. Viva provides one of the quickest options available for as low as $352. The distance from Illinois to León, Guanajuato is about 1650 mi. This flight may include one or multiple stops.

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

    $48 is the cheapest one-way deal found within the past few days, from Volaris. You may also be able to find cheap deals on Viva and American Airlines, with prices starting from $87 and $130, 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 Moline Quad-City - 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 Volaris (88%), Frontier (77%) and Viva (50%).

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

    Looking at all options, your cheapest flight can be booked for $92. While the most popular route (Chicago O'Hare Intl - León Del Bajio) can be booked for $304 on average, our data indicates $398 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, May is the cheapest month in which you can book a flight from Illinois to León, Guanajuato (average of $106). Flying from Illinois to León, Guanajuato in December is currently the most expensive (average of $245). 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$144Average$388FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$162Average$403FlexibilityNo cancel feeOn-time62%
VolarisCheapest$200Average$376FlexibilityNo cancel feeOn-time79%
VivaCheapest$239Average$360FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$260Average$600FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$302Average$545FlexibilityNo cancel feeOn-time69%
DeltaCheapest$318Average$375FlexibilityNo cancel feeOn-timeN/A

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