HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$399+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
aug 29 — sep 51
lör 8/29
lör 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 juli 30, 2026.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
mån 8/316:45 am
BIO
-
ORD
1 stop14h 40m
Multiple Airlines
mån 9/74:55 pm
ORD
-
BIO
1 stop13h 50m
Multiple Airlines
Deal found 7/27$515
This Iberia deal was found by Cheapflights users on 7/26. 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.
mån 8/316:45 am
BIO
-
ORD
1 stop16h 15m
Iberia
mån 9/710:25 pm
ORD
-
BIO
1 stop27h 05m
Iberia
Deal found 7/26$523
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 10/139:35 pm
BIO
-
ORD
1 stop25h 25m
Multiple Airlines
mån 10/191:59 pm
ORD
-
BIO
2 stops15h 46m
Multiple Airlines
Deal found 7/25$531
This Iberia deal was found by Cheapflights users on 7/27. 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.
tis 9/159:35 pm
BIO
-
ORD
1 stop23h 50m
Iberia
sön 9/2011:37 am
ORD
-
BIO
2 stops13h 53m
Iberia
Deal found 7/27$542
This Iberia deal was found by Cheapflights users on 7/26. 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.
tis 9/15:35 pm
BIO
-
ORD
1 stop27h 50m
Iberia
sön 9/610:25 pm
ORD
-
BIO
1 stop16h 40m
Iberia
Deal found 7/26$544
This Iberia deal was found by Cheapflights users on 7/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 10/139:35 pm
BIO
-
ORD
1 stop23h 50m
Iberia
mån 10/1910:20 pm
ORD
-
BIO
1 stop17h 55m
Iberia
Deal found 7/25$550
This American Airlines deal was found by Cheapflights users on 7/27. 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.
tors 9/176:45 am
BIO
-
ORD
1 stop14h 40m
Multiple Airlines
mån 9/2110:15 pm
ORD
-
BIO
1 stop15h 35m
Multiple Airlines
Deal found 7/27$561
This Expedia deal was found by Cheapflights users on 7/28. 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.
tors 10/226:45 am
BIO
-
ORD
1 stop16h 15m
Iberia
tis 10/276:40 pm
ORD
-
BIO
1 stop12h 10m
Iberia
Deal found 7/28$562
This Expedia deal was found by Cheapflights users on 7/30. 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.
tors 9/39:15 am
BIO
-
ORD
1 stop12h 10m
Iberia
mån 9/710:25 pm
ORD
-
BIO
1 stop17h 50m
Iberia
Deal found 7/30$563
This Iberia deal was found by Cheapflights users on 7/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 11/56:45 am
BIO
-
ORD
1 stop15h 10m
Iberia
sön 11/812:59 pm
ORD
-
BIO
2 stops16h 51m
Iberia
Deal found 7/25$566
This American Airlines deal was found by Cheapflights users on 7/29. 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.
tors 9/39:15 am
BIO
-
ORD
1 stop13h 45m
American Airlines
mån 9/710:25 pm
ORD
-
BIO
1 stop27h 05m
American Airlines
Deal found 7/29$570

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 juli 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$515
(American Airlines)

One-way from

$399
(Travelocity)

Popular in

July

Cheapest in

January

Average price

$1,136
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
One-way flight from Bilbao to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 juli 30, 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

tis 10/13

9:35 pm-2:25 pm

1 stop23h 50m

Chicago O'Hare Intl

mån 10/19

10:20 pm-11:15 pm

1 stop17h 55m

$550

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tors 9/17

6:45 am-2:15 pm

1 stop14h 30m

Chicago O'Hare Intl

mån 9/21

10:30 am-9:50 am

2 stops16h 20m

$661

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tis 9/1

6:45 am-4:17 pm

2 stops16h 32m

Chicago O'Hare Intl

sön 9/6

10:30 am-9:50 am

2 stops16h 20m

$666

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tis 10/13

6:45 am-4:40 pm

2 stops16h 55m

Chicago O'Hare Intl

mån 10/19

5:30 pm-4:30 pm

2 stops16h 00m

$672

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tors 9/17

6:50 am-4:29 pm

2 stops16h 39m

Chicago O'Hare Intl

mån 9/21

10:30 pm-10:25 pm

1 stop16h 55m

$700

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tis 9/15

11:55 am-12:35 pm

2 stops31h 40m

Chicago O'Hare Intl

sön 9/20

2:20 pm-5:55 pm

2 stops20h 35m

$714
Quickest round-trip

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

sön 9/13

6:50 am-2:55 pm

1 stop15h 05m

Chicago O'Hare Intl

sön 9/20

3:10 pm-10:20 am

1 stop12h 10m

$730

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mån 9/14

9:10 pm-12:00 pm

2 stops21h 50m

Chicago O'Hare Intl

sön 9/20

7:05 pm-5:55 pm

2 stops15h 50m

$746

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mån 9/14

12:00 pm-10:18 pm

2 stops17h 18m

Chicago O'Hare Intl

mån 9/21

10:30 am-9:50 am

2 stops16h 20m

$749
Cheapest one-way

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

tis 9/15

3:30 pm-2:25 pm

2 stops29h 55m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 20 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.

  • 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
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Aurora
Racine
Great Lakes
Janesville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.