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O'Hare Intl

$389+ Cheap flights from Bilbao (BIO) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
BIO
-
ORD
1 stop14h 30m
Finnair
Mon 4/1310:15 pm
ORD
-
BIO
1 stop18h 00m
Finnair
Deal found 1/26$389
This Finnair 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 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 4/133:35 pm
ORD
-
BIO
2 stops24h 40m
Multiple Airlines
Deal found 1/26$405
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/59:15 am
BIO
-
ORD
1 stop12h 40m
American Airlines
Tue 2/103:55 pm
ORD
-
BIO
2 stops13h 55m
American Airlines
Deal found 1/26$419
This Finnair 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 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 30m
Finnair
Sat 5/910:25 pm
ORD
-
BIO
1 stop17h 50m
Finnair
Deal found 1/26$423
This American Airlines deal was found by Cheapflights users on 1/24. 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 3/116:45 am
BIO
-
ORD
1 stop15h 29m
American Airlines
Wed 3/1811:50 am
ORD
-
BIO
2 stops14h 40m
American Airlines
Deal found 1/24$424
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:45 am
BIO
-
ORD
1 stop15h 10m
Iberia
Tue 2/103:55 pm
ORD
-
BIO
2 stops24h 20m
Iberia
Deal found 1/26$440
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:45 am
BIO
-
ORD
2 stops37h 35m
Multiple Airlines
Sat 5/93:35 pm
ORD
-
BIO
2 stops24h 40m
Multiple Airlines
Deal found 1/26$444
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:50 pm
BIO
-
ORD
1 stop21h 30m
Iberia
Wed 5/610:25 pm
ORD
-
BIO
1 stop27h 05m
Iberia
Deal found 1/26$454
This Iberia deal was found by Cheapflights users on 1/24. 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 2/49:35 pm
BIO
-
ORD
1 stop24h 20m
Iberia
Sun 2/83:55 pm
ORD
-
BIO
2 stops21h 55m
Iberia
Deal found 1/24$459
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 4/156:50 am
BIO
-
ORD
1 stop15h 00m
United Airlines
Sun 5/175:55 pm
ORD
-
BIO
1 stop22h 30m
United Airlines
Deal found 1/25$467

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(lol.travel)

Popular in

July

Cheapest in

November

Average price

$525
Provider with most accurate pricing for Bilbao-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Chicago O'Hare Intl flights.
Search Deals
From Bilbao to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 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

Bilbao

Fly to

O'Hare Intl

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/9

6:45 am-2:15 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 4/13

10:15 pm-11:15 pm

1 stop18h 00m

$389

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 4/27

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Sat 5/9

3:35 pm-11:15 pm

2 stops24h 40m

$423

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 4/27

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Sat 5/9

10:25 pm-11:15 pm

1 stop17h 50m

$423

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 4/18

6:50 am-7:55 pm

1 stop20h 05m

Chicago O'Hare Intl

Sun 5/17

9:40 pm-11:25 pm

1 stop18h 45m

$467

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 3/11

6:45 am-9:30 pm

2 stops20h 45m

Chicago O'Hare Intl

Wed 3/18

4:04 pm-11:15 pm

2 stops25h 11m

$483

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/9

6:45 am-7:54 pm

2 stops20h 09m

Chicago O'Hare Intl

Mon 4/13

3:35 pm-11:15 pm

2 stops24h 40m

$493

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 5/1

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Wed 5/6

10:25 pm-11:15 pm

1 stop17h 50m

$500

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 3/11

11:25 am-8:25 am

2 stops27h 00m

$411

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 3/11

4:50 pm-6:55 pm

1 stop32h 05m

$489

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 5/9

2:00 pm-7:55 pm

1 stop12h 55m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 results
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.

Cheapflights Insights

Everything you need to know about your flight from Bilbao to Chicago O'Hare Intl Airport

How much does it cost to fly round-trip from Bilbao to Chicago O'Hare Intl Airport?

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 14h 30m. 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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora

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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.
San Sebastian to O'Hare Intl flights

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