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O'Hare Intl

$281+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:45 amBIO - ORD
1 stop15h 10mAmerican Airlines
Mon 11/102:50 pmORD - BIO
2 stops15h 00mAmerican Airlines
Deal found 10/27$393
This Finnair deal was found by Cheapflights users on 10/28. 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 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 12/85:40 pmORD - BIO
1 stop12h 10mMultiple Airlines
Deal found 10/28$399
This Flighttix deal was found by Cheapflights users on 10/28. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amBIO - ORD
1 stop13h 25mLufthansa
Tue 12/26:25 pmORD - BIO
1 stop21h 55mLufthansa
Deal found 10/28$408
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:35 pmBIO - ORD
2 stops29h 51mIberia
Tue 12/25:40 pmORD - BIO
1 stop12h 10mIberia
Deal found 10/28$409
This Iberia deal was found by Cheapflights users on 10/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:35 pmBIO - ORD
1 stop24h 20mIberia
Sun 11/165:40 pmORD - BIO
1 stop20h 10mIberia
Deal found 10/27$421
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amBIO - ORD
2 stops17h 05mUnited Airlines
Tue 12/22:15 pmORD - BIO
2 stops15h 35mUnited Airlines
Deal found 10/28$424
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:50 pmBIO - ORD
2 stops17h 44mUnited Airlines
Wed 11/269:50 pmORD - BIO
1 stop13h 15mUnited Airlines
Deal found 10/28$428
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:50 pmBIO - ORD
2 stops17h 44mUnited Airlines
Thu 11/272:30 pmORD - BIO
2 stops25h 20mUnited Airlines
Deal found 10/28$431
This Iberia deal was found by Cheapflights users on 10/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:35 pmBIO - ORD
1 stop24h 20mIberia
Thu 11/275:40 pmORD - BIO
1 stop12h 10mIberia
Deal found 10/28$439
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:50 pmBIO - ORD
1 stop29h 20mUnited Airlines
Tue 11/254:20 pmORD - BIO
1 stop12h 45mUnited Airlines
Deal found 10/28$444

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$393
(Iberia)

One-way from

$281
(Finnair)

Popular in

July

Cheapest in

February

Average price

$549
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 ($255 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 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

5:40 pm-12:50 pm

1 stop12h 10m

$399

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 11/12

9:35 pm-2:55 pm

1 stop24h 20m

Chicago O'Hare Intl

Sun 11/16

5:40 pm-8:50 pm

1 stop20h 10m

$421

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 11/18

12:50 pm-11:34 pm

2 stops17h 44m

Chicago O'Hare Intl

Wed 11/26

9:50 pm-6:05 pm

1 stop13h 15m

$428

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 11/18

12:50 pm-11:34 pm

2 stops17h 44m

Chicago O'Hare Intl

Fri 11/28

9:50 pm-11:20 pm

1 stop18h 30m

$428

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 11/18

12:50 pm-11:10 am

1 stop29h 20m

Chicago O'Hare Intl

Mon 11/24

9:50 pm-11:05 pm

1 stop18h 15m

$442

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 1/26

6:45 am-2:55 pm

1 stop15h 10m

$281

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 1/26

6:45 am-8:15 pm

2 stops20h 30m

$291

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 12/11

12:50 pm-8:05 pm

1 stop14h 15m

$449

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 12/11

12:10 pm-3:25 pm

1 stop34h 15m

$519

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 12/11

6:45 am-7:23 pm

2 stops19h 38m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
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.

  • 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
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Racine
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

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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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