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León

$136+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BJX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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 5/221:59 am
ORD
-
BJX
Nonstop4h 01m
Volaris
Wed 5/277:04 pm
BJX
-
ORD
Nonstop4h 02m
Volaris
Deal found 1/26$291
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Sun 3/81:00 am
ORD
-
BJX
Nonstop4h 18m
Volaris
Mon 3/165:57 pm
BJX
-
ORD
Nonstop3h 51m
Volaris
Deal found 1/28$292
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:59 am
ORD
-
BJX
Nonstop4h 01m
Volaris
Mon 4/277:04 pm
BJX
-
ORD
Nonstop4h 02m
Volaris
Deal found 1/28$294
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 4/152:15 am
ORD
-
BJX
1 stop8h 15m
Viva
Wed 4/228:05 pm
BJX
-
ORD
1 stop27h 40m
Viva
Deal found 1/28$295
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Wed 3/41:20 am
ORD
-
BJX
1 stop8h 10m
Viva
Mon 3/96:15 am
BJX
-
ORD
1 stop17h 30m
Viva
Deal found 1/28$296
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 2/151:00 am
ORD
-
BJX
Nonstop4h 18m
Volaris
Wed 2/256:57 pm
BJX
-
ORD
Nonstop3h 51m
Volaris
Deal found 1/28$298
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/81:00 am
ORD
-
BJX
Nonstop4h 18m
Multiple Airlines
Wed 2/116:15 am
BJX
-
ORD
2 stops16h 13m
Multiple Airlines
Deal found 1/28$299
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 2/81:00 am
ORD
-
BJX
Nonstop4h 18m
Volaris
Fri 2/136:57 pm
BJX
-
ORD
Nonstop3h 51m
Volaris
Deal found 1/28$300
This Trip.com deal was found by Cheapflights users on 1/27. 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.
Sun 5/31:59 am
ORD
-
BJX
Nonstop4h 01m
Multiple Airlines
Mon 5/115:10 pm
BJX
-
ORD
1 stop6h 35m
Multiple Airlines
Deal found 1/27$302
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/81:00 am
ORD
-
BJX
Nonstop4h 18m
Multiple Airlines
Mon 2/95:30 pm
BJX
-
ORD
1 stop6h 20m
Multiple Airlines
Deal found 1/28$303
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Mon 2/161:20 am
ORD
-
BJX
1 stop15h 10m
Viva
Wed 2/255:30 pm
BJX
-
ORD
1 stop6h 20m
Viva
Deal found 1/27$304
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sat 2/211:42 pm
MDW
-
BJX
Nonstop4h 13m
Volaris
Sat 2/288:41 am
BJX
-
MDW
Nonstop3h 46m
Volaris
Deal found 1/28$346

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(FlightHub)

One-way from

$136
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$358

Good round-trip deal

$297 or less

Good one-way deal

$147 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. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Sun 2/8

1:00 am-5:18 am

Nonstop4h 18m

León Del Bajio

Fri 2/13

6:57 pm-10:48 pm

Nonstop3h 51m

$300

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sun 2/8

1:00 am-5:18 am

Nonstop4h 18m

León Del Bajio

Mon 2/9

5:30 pm-11:50 pm

1 stop6h 20m

$303

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Mon 2/23

1:20 am-9:35 am

1 stop8h 15m

León Del Bajio

Fri 3/6

5:35 pm-11:45 pm

1 stop6h 10m

$312

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Wed 2/18

1:20 am-4:30 pm

1 stop15h 10m

León Del Bajio

Mon 2/23

5:30 pm-11:50 pm

1 stop6h 20m

$325

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sun 2/1

1:20 am-9:35 am

1 stop8h 15m

León Del Bajio

Wed 2/11

5:30 pm-11:50 pm

1 stop6h 20m

$329

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Fri 2/6

1:00 am-5:18 am

Nonstop4h 18m

León Del Bajio

Mon 2/9

5:30 pm-11:50 pm

1 stop6h 20m

$336

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Sat 2/21

1:42 pm-5:55 pm

Nonstop4h 13m

León Del Bajio

Sat 2/28

8:41 am-12:27 pm

Nonstop3h 46m

$346

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Thu 2/5

6:23 am-4:30 pm

2 stops10h 07m

León Del Bajio

Fri 2/13

5:30 pm-11:50 pm

1 stop6h 20m

$346

ChicagoLeón

MDW - BJX

MDWBJX

Chicago Midway

Sat 2/7

1:42 pm-5:55 pm

Nonstop4h 13m

León Del Bajio

Sat 2/14

8:41 am-12:27 pm

Nonstop3h 46m

$349

ChicagoLeón

ORD - BJX

ORDBJX

Chicago O'Hare Intl

Sun 2/1

1:00 am-5:18 am

Nonstop4h 18m

León Del Bajio

Wed 2/11

5:30 pm-11:50 pm

1 stop6h 20m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 54 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 $103). Flying from Illinois to León, Guanajuato in October is currently the most expensive (average of $201). 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 January 29, 2026.

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 morning, which can drop the price by up to 19% 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 January 24, 2026.

Travelers seeking maximum savings on their Illinois to León, Guanajuato flight should consider departing on Tuesday at noon 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 4h 18m. Volaris provides one of the quickest options available for as low as $300. 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 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 Volaris (79%), Frontier (79%) and Viva (27%).

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

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (Chicago O'Hare Intl - León Del Bajio) can be booked for $299 on average, our data indicates $266 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 $103). Flying from Illinois to León, Guanajuato in October is currently the most expensive (average of $201). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$144Average$388FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$157Average$377FlexibilityNo cancel feeOn-time79%
FrontierCheapest$161Average$338FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$196Average$522FlexibilityNo cancel feeOn-time69%
VivaCheapest$227Average$361FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$322Average$463FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$562FlexibilityNo cancel feeOn-time71%

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