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O'Hare Intl

$323+ Cheap flights from Bilbao (BIO) to O'Hare Intl (ORD)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from Bilbao to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2025.

Round-trip from

$383
(lol.travel)

One-way from

$323
(Finnair)

Popular in

July

Cheapest in

February

Average price

$584
From Bilbao to Chicago O'Hare Intl
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One-way flight from Bilbao to Chicago O'Hare Intl
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Highest demand for flights based on searches. 25% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bilbao to O'Hare Intl

Cheapest flights from Bilbao to O'Hare Intl
Explore the most affordable flight options available from Bilbao to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2025.

This lol.travel deal was found by Cheapflights users on 9/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:30 pmBIO - ORD
1 stop27h 15mScandinavian Airlines
Thu 11/137:20 pmORD - BIO
1 stop16h 20mScandinavian Airlines
Deal found 9/13$383
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:30 pmBIO - ORD
1 stop27h 15mScandinavian Airlines
Sun 11/97:20 pmORD - BIO
1 stop16h 20mScandinavian Airlines
Deal found 9/11$411
This Finnair deal was found by Cheapflights users on 9/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:45 amBIO - ORD
2 stops19h 37mMultiple Airlines
Mon 12/84:45 pmORD - BIO
1 stop21h 05mMultiple Airlines
Deal found 9/11$454
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:35 pmBIO - ORD
1 stop23h 55mAmerican Airlines
Mon 12/84:45 pmORD - BIO
1 stop13h 05mAmerican Airlines
Deal found 9/11$459
This Iberia deal was found by Cheapflights users on 9/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:35 pmBIO - ORD
1 stop23h 55mIberia
Mon 12/84:45 pmORD - BIO
1 stop21h 05mIberia
Deal found 9/12$460
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:45 amBIO - ORD
2 stops16h 28mIberia
Mon 10/204:30 pmORD - BIO
1 stop13h 15mIberia
Deal found 9/11$472
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:45 amBIO - ORD
1 stop14h 45mAmerican Airlines
Thu 11/1310:25 amORD - BIO
2 stops15h 05mAmerican Airlines
Deal found 9/12$477
This Gotogate deal was found by Cheapflights users on 9/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:45 amBIO - ORD
2 stops18h 03mMultiple Airlines
Thu 11/138:15 pmORD - BIO
2 stops32h 45mMultiple Airlines
Deal found 9/12$481
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:45 amBIO - ORD
2 stops32h 28mAir Canada
Sun 11/92:00 pmORD - BIO
2 stops15h 00mAir Canada
Deal found 9/11$483

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to O'Hare Intl 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 September 13, 2025.
Use the filters below to find and compare flights from Bilbao to Chicago O'Hare Intl Airport that are best for you.

Fly from

Bilbao

Fly to

O'Hare Intl

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 12/3

6:45 am-7:22 pm

2 stops19h 37m

Chicago O'Hare Intl

Mon 12/8

4:45 pm-8:50 pm

1 stop21h 05m

$454

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 11/7

6:45 am-5:48 pm

2 stops18h 03m

Chicago O'Hare Intl

Thu 11/13

8:15 pm-12:00 pm

2 stops32h 45m

$481

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 10/31

6:45 am-9:13 am

2 stops32h 28m

Chicago O'Hare Intl

Sun 11/9

2:00 pm-12:00 pm

2 stops15h 00m

$483

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 10/31

6:45 am-3:30 pm

1 stop14h 45m

Chicago O'Hare Intl

Sun 11/9

4:45 pm-12:50 pm

1 stop13h 05m

$484

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 10/27

6:45 am-9:05 pm

1 stop20h 20m

Chicago O'Hare Intl

Mon 11/3

1:00 pm-10:50 am

2 stops14h 50m

$500

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 11/7

6:45 am-1:10 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 11/13

9:50 pm-11:05 pm

1 stop18h 15m

$500

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 10/29

12:50 pm-9:05 pm

1 stop14h 15m

Chicago O'Hare Intl

Wed 11/19

9:50 pm-11:05 pm

1 stop18h 15m

$500

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 12/11

6:45 am-2:30 pm

1 stop14h 45m

$323

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 11/19

6:45 am-2:30 pm

1 stop14h 45m

$324

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 11/5

6:45 am-2:30 pm

1 stop14h 45m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Bilbao to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bilbao 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.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to O'Hare Intl. 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 from for flights from Bilbao to Chicago O'Hare Intl?

    Bilbao (BIO), located 3.0 mi from the city center, is the airport you fly out of when you book flights from Bilbao to Chicago O'Hare Intl. 0 airlines have flights from Bilbao to Chicago O'Hare Intl on a regular basis. Booking flights from Bilbao to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • Can I find deals for flights from Bilbao to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Bilbao to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bilbao to O'Hare Intl.

  • Can I find deals for business class flights from Bilbao to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Bilbao to O'Hare Intl 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 Bilbao to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Bilbao to Chicago O'Hare Intl Airport (average of $245). Flying from Bilbao to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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