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O'Hare Intl

$355+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:25 amBIO - ORD
1 stop14h 45mDelta
Wed 3/251:37 pmORD - BIO
2 stops15h 43mDelta
Deal found 12/13$661
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.
Fri 12/266:45 amBIO - ORD
1 stop13h 25mLufthansa
Wed 3/2510:50 pmORD - BIO
1 stop13h 15mLufthansa
Deal found 12/13$694
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:50 pmBIO - ORD
2 stops17h 54mUnited Airlines
Wed 3/251:09 pmORD - BIO
2 stops16h 56mUnited Airlines
Deal found 12/13$770
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:15 pmBIO - ORD
2 stops32h 50mMultiple Airlines
Wed 3/257:05 amORD - BIO
3 stops26h 50mMultiple Airlines
Deal found 12/13$998
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:00 pmBIO - ORD
1 stop37h 25mTurkish Airlines
Sat 1/311:50 amORD - BIO
1 stop21h 20mTurkish Airlines
Deal found 12/14$1,037
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.
Sun 12/146:45 amBIO - ORD
2 stops17h 07mMultiple Airlines
Sun 12/216:35 pmORD - BIO
2 stops16h 30mMultiple Airlines
Deal found 12/13$1,256
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:25 amBIO - ORD
1 stop18h 00mUnited Airlines
Sun 12/211:00 pmORD - BIO
2 stops20h 10mUnited Airlines
Deal found 12/13$1,307
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:35 amBIO - ORD
1 stop13h 50mLufthansa
Sun 12/216:00 pmORD - BIO
1 stop17h 05mLufthansa
Deal found 12/13$1,432
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:15 amBIO - ORD
2 stops33h 45mAmerican Airlines
Sat 1/35:40 pmORD - BIO
1 stop31h 50mAmerican Airlines
Deal found 12/14$1,844

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Mytrip)

One-way from

$355
(Finnair)

Popular in

July

Cheapest in

November

Average price

$656
Provider with most accurate pricing for Bilbao-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Bilbao-Chicago O'Hare Intl flights.
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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. 28% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 15, 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

Thu 1/29

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 2/5

2:50 pm-12:50 pm

2 stops15h 00m

$462

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 1/29

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Sun 2/1

7:00 am-8:30 am

2 stops18h 30m

$483

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 1/16

9:15 am-7:36 pm

2 stops17h 21m

Chicago O'Hare Intl

Thu 1/22

11:44 am-8:30 am

2 stops13h 46m

$484

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 3/11

9:15 am-3:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Tue 3/17

6:40 pm-12:50 pm

1 stop12h 10m

$491

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 1/16

6:45 am-5:42 pm

2 stops17h 57m

Chicago O'Hare Intl

Thu 1/22

5:40 pm-11:15 pm

1 stop22h 35m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 1/24

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-12:50 pm

1 stop12h 10m

$497

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 1/24

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:30 am

2 stops13h 51m

$497

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 4/10

6:45 am-5:43 pm

2 stops17h 58m

$355

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 4/10

6:45 am-2:15 pm

1 stop14h 30m

$382

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 1/13

9:05 pm-3:00 pm

2 stops24h 55m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 15 results
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Compare providers for flights from Bilbao to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bilbao to O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bilbao-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • How long is the flight from Bilbao to Chicago O'Hare Intl Airport?

    Departing from Bilbao to Chicago O'Hare Intl Airport will take you 15h 10m. Airlines will cover a distance of 4116 mi.

  • 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.

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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Alternative routes for Bilbao to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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