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O'Hare Intl

$423+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(American Airlines)

One-way from

$423
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$383
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. 19% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 3, 2025.

This American Airlines deal was found by Cheapflights users on 3/2. 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 4/36:45 amBIO - ORD
1 stop14h 30mAmerican Airlines
Mon 4/73:51 pmORD - BIO
2 stops13h 54mAmerican Airlines
Deal found 3/2$437
This Iberia deal was found by Cheapflights users on 3/2. 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 4/39:35 pmBIO - ORD
1 stop23h 40mIberia
Mon 4/710:10 pmORD - BIO
1 stop18h 05mIberia
Deal found 3/2$462
This Finnair deal was found by Cheapflights users on 3/2. 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.
Tue 6/31:30 pmBIO - ORD
1 stop12h 20mMultiple Airlines
Sat 9/134:30 pmORD - BIO
1 stop23h 45mMultiple Airlines
Deal found 3/2$502
This Finnair deal was found by Cheapflights users on 3/2. 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 4/36:45 amBIO - ORD
1 stop14h 30mFinnair
Mon 4/710:10 pmORD - BIO
1 stop18h 05mFinnair
Deal found 3/2$530
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/37:15 amBIO - ORD
1 stop18h 00mUnited Airlines
Mon 4/75:50 pmORD - BIO
1 stop22h 35mUnited Airlines
Deal found 3/2$551
This Lufthansa deal was found by Cheapflights users on 3/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:05 pmBIO - ORD
1 stop22h 50mLufthansa
Thu 4/2410:30 pmORD - BIO
1 stop17h 20mLufthansa
Deal found 3/3$613
This Delta deal was found by Cheapflights users on 3/3. 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.
Tue 4/2212:00 pmBIO - ORD
2 stops18h 59mDelta
Sun 4/2710:30 amORD - BIO
2 stops17h 45mDelta
Deal found 3/3$648
This Austrian Airlines deal was found by Cheapflights users on 3/3. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/202:10 pmBIO - ORD
2 stops30h 10mAustrian Airlines
Sun 4/274:20 pmORD - BIO
2 stops19h 05mAustrian Airlines
Deal found 3/3$690
This lol.travel deal was found by Cheapflights users on 3/3. 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.
Mon 4/2112:05 pmBIO - ORD
1 stop28h 35mTurkish Airlines
Sat 4/267:50 pmORD - BIO
1 stop32h 15mTurkish Airlines
Deal found 3/3$719
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/3. 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.
Tue 4/226:50 pmBIO - ORD
1 stop28h 20mTAP AIR PORTUGAL
Fri 4/256:00 pmORD - BIO
1 stop16h 35mTAP AIR PORTUGAL
Deal found 3/3$804
This KLM deal was found by Cheapflights users on 3/3. 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.
Sun 4/205:15 pmBIO - ORD
1 stop27h 55mKLM
Fri 4/254:20 pmORD - BIO
1 stop11h 55mKLM
Deal found 3/3$897
This Gotogate deal was found by Cheapflights users on 3/3. 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 4/279:05 amBIO - ORD
1 stop13h 50mSWISS
Mon 5/52:20 pmORD - BIO
1 stop22h 55mSWISS
Deal found 3/3$5,904

Find flights from Bilbao to O'Hare Intl within your budget

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 3, 2025.

Fly from

Bilbao

Fly to

O'Hare Intl

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/3

6:45 am-2:15 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 4/7

3:51 pm-12:45 pm

2 stops13h 54m

$437

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/3

9:35 pm-2:15 pm

1 stop23h 40m

Chicago O'Hare Intl

Mon 4/7

10:10 pm-11:15 pm

1 stop18h 05m

$462

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 6/3

1:30 pm-6:50 pm

1 stop12h 20m

Chicago O'Hare Intl

Sat 9/13

4:30 pm-11:15 pm

1 stop23h 45m

$502

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/3

6:45 am-2:15 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 4/7

10:10 pm-11:15 pm

1 stop18h 05m

$530

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/3

7:15 am-6:15 pm

1 stop18h 00m

Chicago O'Hare Intl

Mon 4/7

5:50 pm-11:25 pm

1 stop22h 35m

$551

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 4/17

7:05 pm-10:55 am

1 stop22h 50m

Chicago O'Hare Intl

Thu 4/24

10:30 pm-10:50 pm

1 stop17h 20m

$613

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 4/22

12:00 pm-11:59 pm

2 stops18h 59m

Chicago O'Hare Intl

Sun 4/27

10:30 am-11:15 am

2 stops17h 45m

$648

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sun 4/20

2:10 pm-1:20 pm

2 stops30h 10m

Chicago O'Hare Intl

Sun 4/27

4:20 pm-6:25 pm

2 stops19h 05m

$690

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 4/21

12:05 pm-9:40 am

1 stop28h 35m

Chicago O'Hare Intl

Sat 4/26

7:50 pm-11:05 am

1 stop32h 15m

$719

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 4/22

6:50 pm-4:10 pm

1 stop28h 20m

Chicago O'Hare Intl

Fri 4/25

6:00 pm-5:35 pm

1 stop16h 35m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 19 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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.

Travel insights for flights from Bilbao to O'Hare Intl

Get recent, data-driven insights about flights from Bilbao to O'Hare Intl including ideal travel times, pricing trends, and more.

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 March 3, 2025.
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,070 reviews
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,322 reviews
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
768 reviews
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,070 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    American Airlines, at $437, was found to be the cheapest airline from Bilbao to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Iberia and Finnair. American Airlines is currently priced 31% 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 TAP AIR PORTUGAL ($469), Qatar Airways ($526), and Turkish Airlines ($534).

  • 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 $322). 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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Alternative routes for Bilbao to O'Hare Intl

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