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León

$155+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BJX
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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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 octubre 22, 2025.

This Booking.com deal was found by Cheapflights users on 10/21. 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.
sáb. 11/154:40 pmORD - BJX
1 stop20h 00mViva
jue. 11/206:35 amBJX - ORD
1 stop15h 40mViva
Deal found 10/21$314
This FlightHub deal was found by Cheapflights users on 10/19. 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.
sáb. 11/154:40 pmORD - BJX
1 stop16h 55mViva
dom. 11/236:10 amBJX - ORD
1 stop9h 00mViva
Deal found 10/19$320
This FlightHub deal was found by Cheapflights users on 10/19. 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.
sáb. 11/154:40 pmORD - BJX
1 stop16h 55mMultiple Airlines
dom. 11/236:57 pmBJX - ORD
Nonstop3h 51mMultiple Airlines
Deal found 10/19$324
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/64:30 pmORD - BJX
1 stop16h 55mViva
vie. 12/1212:50 amBJX - ORD
Nonstop3h 50mViva
Deal found 10/21$328
This Booking.com deal was found by Cheapflights users on 10/21. 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.
sáb. 11/154:40 pmORD - BJX
1 stop16h 55mViva
vie. 11/218:00 pmBJX - ORD
1 stop19h 10mViva
Deal found 10/21$330
This Trip.com deal was found by Cheapflights users on 10/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/164:40 pmORD - BJX
1 stop6h 35mMultiple Airlines
dom. 2/156:57 pmBJX - ORD
Nonstop3h 51mMultiple Airlines
Deal found 10/20$342
This Booking.com deal was found by Cheapflights users on 10/20. 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.
mié. 11/124:40 pmORD - BJX
1 stop6h 35mViva
mié. 11/196:10 amBJX - ORD
1 stop9h 00mViva
Deal found 10/20$343
This Booking.com deal was found by Cheapflights users on 10/20. 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.
sáb. 11/11:05 amORD - BJX
1 stop12h 35mViva
vie. 11/75:15 pmBJX - ORD
1 stop21h 55mViva
Deal found 10/20$345
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
vie. 12/511:43 amORD - BJX
1 stop25h 10mMultiple Airlines
lun. 12/1512:50 amBJX - ORD
Nonstop3h 50mMultiple Airlines
Deal found 10/21$351
This Booking.com deal was found by Cheapflights users on 10/20. 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.
lun. 12/84:30 pmORD - BJX
1 stop6h 45mViva
mié. 12/1712:50 amBJX - ORD
Nonstop3h 50mViva
Deal found 10/20$352
This Booking.com deal was found by Cheapflights users on 10/22. 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.
sáb. 12/64:30 pmORD - BJX
1 stop16h 55mViva
mié. 12/1012:50 amBJX - ORD
Nonstop3h 50mViva
Deal found 10/22$353
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
lun. 11/36:30 amMDW - BJX
2 stops48h 46mMultiple Airlines
vie. 11/74:05 pmBJX - MDW
1 stop20h 32mMultiple Airlines
Deal found 10/20$357

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 octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Kiwi.com)

One-way from

$155
(Booking.com)

Popular in

December

Cheapest in

February

Average price

$415

Good round-trip deal

$332 or less

Good one-way deal

$167 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. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 22, 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

lun. 1/12

12:49 am-3:03 pm

1 stop14h 14m

León Del Bajio

lun. 3/2

12:01 pm-11:54 pm

2 stops11h 53m

$353

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

vie. 1/16

12:49 am-11:11 am

1 stop10h 22m

León Del Bajio

sáb. 2/7

5:55 am-12:40 pm

1 stop6h 45m

$383

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

sáb. 1/17

5:50 am-4:32 pm

1 stop10h 42m

León Del Bajio

sáb. 2/7

7:54 am-11:19 am

2 stops27h 25m

$387

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

jue. 11/20

7:00 am-11:15 pm

3 stops16h 15m

León Del Bajio

vie. 11/28

6:57 pm-10:48 pm

Nonstop3h 51m

$454

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

sáb. 1/10

7:35 am-2:43 pm

1 stop7h 08m

León Del Bajio

lun. 1/26

12:50 pm-9:26 pm

1 stop8h 36m

$468

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

mié. 11/5

8:10 am-11:34 pm

1 stop15h 24m

León Del Bajio

lun. 11/17

6:09 am-7:40 pm

1 stop13h 31m

$471

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

mar. 11/4

5:20 am-6:56 pm

2 stops13h 36m

León Del Bajio

mar. 11/18

5:54 am-1:12 pm

1 stop7h 18m

$473

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

mar. 11/4

6:00 am-11:18 pm

2 stops17h 18m

León Del Bajio

mié. 11/12

5:54 am-11:40 pm

2 stops17h 46m

$483

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

mié. 11/12

12:47 pm-11:18 pm

2 stops10h 31m

León Del Bajio

mié. 11/19

9:36 am-4:39 pm

1 stop7h 03m

$483

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

vie. 11/7

12:33 am-9:42 am

1 stop9h 09m

León Del Bajio

jue. 11/13

5:54 am-10:41 pm

1 stop16h 47m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 59 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 $219). 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 octubre 22, 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 59% 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 10h 42m. Delta provides one of the quickest options available for as low as $387. 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?

    $200 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Volaris and Frontier, with prices starting from $219 and $298, 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 (85%), Volaris (85%) and Viva (33%).

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

    Looking at all options, your cheapest flight can be booked for $152. While the most popular route (Chicago O'Hare Intl - León Del Bajio) can be booked for $292 on average, our data indicates $315 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 $219). 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 octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$144Average$388FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$162Average$250FlexibilityNo cancel feeOn-time62%
VolarisCheapest$218Average$378FlexibilityNo cancel feeOn-time79%
VivaCheapest$244Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$260Average$602FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$302Average$556FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$375FlexibilityNo cancel feeOn-timeN/A

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