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O'Hare Intl

$337+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This Finnair deal was found by Cheapflights users on 3/9. 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.
Thu 4/96:45 am
BIO
-
ORD
1 stop16h 15m
Finnair
Mon 4/1310:30 pm
ORD
-
BIO
1 stop17h 45m
Finnair
Deal found 3/9$484
This Finnair deal was found by Cheapflights users on 3/11. 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.
Thu 4/96:45 am
BIO
-
ORD
1 stop16h 15m
Multiple Airlines
Mon 4/137:05 pm
ORD
-
BIO
2 stops21h 10m
Multiple Airlines
Deal found 3/11$485
This Expedia deal was found by Cheapflights users on 3/8. 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.
Thu 4/96:45 am
BIO
-
ORD
2 stops21h 15m
Iberia
Mon 4/1310:30 pm
ORD
-
BIO
1 stop17h 45m
Iberia
Deal found 3/8$513
This Finnair deal was found by Cheapflights users on 3/10. 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.
Mon 4/276:45 am
BIO
-
ORD
1 stop14h 40m
Finnair
Sat 5/910:40 pm
ORD
-
BIO
1 stop17h 35m
Finnair
Deal found 3/10$523
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/99:15 am
BIO
-
ORD
1 stop13h 45m
American Airlines
Mon 4/1310:30 pm
ORD
-
BIO
1 stop27h 00m
American Airlines
Deal found 3/10$526

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$484
(Finnair)

One-way from

$337
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$764
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. 27% potential increase in price ($251 potential increase over avg. RT price).
Search Deals
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 March 2026
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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 March 13, 2026.
Use the filters below to find and compare flights from Bilbao to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/9

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 4/13

12:30 pm-11:15 pm

2 stops27h 45m

$506

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 4/27

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Sat 5/9

3:15 pm-11:15 pm

2 stops25h 00m

$523
Quickest round-trip

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 4/27

6:50 am-12:55 pm

1 stop13h 05m

Chicago O'Hare Intl

Sat 5/9

5:55 pm-11:25 pm

1 stop22h 30m

$597

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/9

2:00 pm-9:38 am

2 stops26h 38m

Chicago O'Hare Intl

Mon 4/13

9:40 pm-11:25 pm

1 stop18h 45m

$601

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 3/25

9:25 am-2:45 pm

2 stops35h 20m

Chicago O'Hare Intl

Sun 3/29

2:20 pm-9:25 am

1 stop12h 05m

$643

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 4/1

6:50 am-8:45 pm

2 stops20h 55m

Chicago O'Hare Intl

Sat 4/11

9:35 pm-1:20 pm

2 stops32h 45m

$647

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 7/7

6:45 am-2:25 pm

1 stop14h 40m

Chicago O'Hare Intl

Tue 7/14

6:09 pm-11:15 pm

2 stops22h 06m

$721
Cheapest one-way
Quickest one-way

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 5/15

6:45 am-4:00 pm

1 stop16h 15m

$364

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 5/15

1:30 pm-5:04 pm

2 stops34h 34m

$387

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 4/28

8:35 pm-11:42 am

2 stops46h 07m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Bilbao-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Elk Grove Village
Skokie
Oak Brook
South Holland
Beloit
Libertyville
Waukegan
Warrenville
Bridgeview
Oakbrook Terrace

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