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O'Hare Intl

$327+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$428
(Expedia)

One-way from

$327
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$841
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. 19% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:15 amBIO - ORD
1 stop12h 00mIberia
Thu 10/305:45 pmORD - BIO
1 stop13h 05mIberia
Deal found 6/10$428
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/229:15 amBIO - ORD
1 stop12h 00mAmerican Airlines
Thu 10/3011:45 amORD - BIO
2 stops14h 45mAmerican Airlines
Deal found 6/10$456
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/46:45 amBIO - ORD
1 stop20h 10mUnited Airlines
Tue 9/163:45 pmORD - BIO
1 stop12h 00mUnited Airlines
Deal found 6/12$507
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:45 amBIO - ORD
2 stops19h 44mAir Canada
Mon 9/299:55 amORD - BIO
2 stops25h 50mAir Canada
Deal found 6/12$524
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:10 pmBIO - ORD
2 stops29h 45mSWISS
Thu 10/309:30 pmORD - BIO
3 stops64h 00mSWISS
Deal found 6/10$655
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Tue 8/57:30 pmBIO - ORD
1 stop22h 30mLufthansa
Tue 8/123:35 pmORD - BIO
1 stop12h 30mLufthansa
Deal found 6/12$731
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:15 pmBIO - ORD
1 stop28h 25mKLM
Sat 7/125:10 pmORD - BIO
1 stop21h 50mKLM
Deal found 6/10$732
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:50 amBIO - ORD
1 stop14h 20mDelta
Fri 3/276:10 pmORD - BIO
2 stops17h 10mDelta
Deal found 6/10$735
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:10 pmBIO - ORD
1 stop26h 45mMultiple Airlines
Mon 8/256:01 pmORD - BIO
2 stops41h 19mMultiple Airlines
Deal found 6/10$766
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:20 pmBIO - ORD
2 stops31h 47mTAP AIR PORTUGAL
Sat 11/228:40 amORD - BIO
2 stops26h 15mTAP AIR PORTUGAL
Deal found 6/10$974
This Turkish Airlines deal was found by Cheapflights users on 6/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:00 pmBIO - ORD
1 stop29h 10mTurkish Airlines
Sat 11/2211:55 amORD - BIO
1 stop21h 15mTurkish Airlines
Deal found 6/9$1,076
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:10 pmBIO - ORD
1 stop26h 50mAer Lingus
Thu 8/143:45 pmORD - BIO
1 stop18h 45mAer Lingus
Deal found 6/12$1,238

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 June 12, 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 10/22

9:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Thu 10/30

5:45 pm-12:50 pm

1 stop13h 05m

$428

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 10/22

9:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Thu 10/30

11:45 am-8:30 am

2 stops14h 45m

$456

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 9/4

6:45 am-7:55 pm

1 stop20h 10m

Chicago O'Hare Intl

Tue 9/16

3:45 pm-10:45 am

1 stop12h 00m

$507

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 9/25

6:45 am-7:29 pm

2 stops19h 44m

Chicago O'Hare Intl

Mon 9/29

9:55 am-6:45 pm

2 stops25h 50m

$524

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 10/22

2:10 pm-12:55 pm

2 stops29h 45m

Chicago O'Hare Intl

Thu 10/30

9:30 pm-7:30 pm

3 stops64h 00m

$655

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 8/5

7:30 pm-11:00 am

1 stop22h 30m

Chicago O'Hare Intl

Tue 8/12

3:35 pm-11:05 am

1 stop12h 30m

$731

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 7/1

5:15 pm-2:40 pm

1 stop28h 25m

Chicago O'Hare Intl

Sat 7/12

5:10 pm-10:00 pm

1 stop21h 50m

$732

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 7/1

6:50 am-6:09 pm

2 stops18h 19m

Chicago O'Hare Intl

Tue 7/8

10:20 am-11:15 am

2 stops17h 55m

$742

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 8/18

7:10 pm-2:55 pm

1 stop26h 45m

Chicago O'Hare Intl

Mon 8/25

6:01 pm-6:20 pm

2 stops41h 19m

$766

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 11/17

7:20 pm-8:07 pm

2 stops31h 47m

Chicago O'Hare Intl

Sat 11/22

8:40 am-5:55 pm

2 stops26h 15m

$974

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 19 results
1
2

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

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Bilbao to Chicago O'Hare Intl Airport round-trip?

    Iberia, at $428, was found to be the cheapest airline from Bilbao to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Iberia is currently priced 30% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Bilbao to Chicago O'Hare Intl Airport one-way?

    The cheapest airlines for a one-way flight from Bilbao to Chicago O'Hare Intl Airport are Aer Lingus ($477), Lufthansa ($532), and TAP AIR PORTUGAL ($611).

  • 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.

  • What is the cheapest month to book a flight from Bilbao to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Bilbao to Chicago O'Hare Intl Airport (average of $245). Flying from Bilbao to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bilbao?

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Hoffman Estates
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Orland Park
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Des Plaines
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Alternative routes for Bilbao to O'Hare Intl

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