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$281+ Cheap flights from Bilbao (BIO) to Chicago (CHI)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — CHI
janv. 11 — janv. 181
dim. 1/11
dim. 1/18
1 adult, Economy
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Cheap flight deals from Bilbao to Chicago

Cheapest flights from Bilbao to Chicago
Explore the most affordable flight options available from Bilbao to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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.
ven. 12/266:50 amBIO - MDW
2 stops17h 36mDelta
mar. 12/309:29 amMDW - BIO
2 stops24h 51mDelta
Deal found 12/10$795
This KLM deal was found by Cheapflights users on 12/10. 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.
ven. 12/266:05 pmBIO - ORD
1 stop28h 05mKLM
mar. 12/305:20 pmORD - BIO
1 stop17h 00mKLM
Deal found 12/10$864
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/175:10 pmBIO - ORD
1 stop23h 55mTurkish Airlines
mar. 12/3011:50 amORD - BIO
1 stop21h 20mTurkish Airlines
Deal found 12/10$903
This Delta deal was found by Cheapflights users on 12/10. 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.
mer. 12/176:50 amBIO - ORD
1 stop14h 30mDelta
mar. 12/3010:00 amORD - BIO
2 stops18h 20mDelta
Deal found 12/10$923
This Delta deal was found by Cheapflights users on 12/10. 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.
mer. 12/1712:15 pmBIO - MDW
2 stops18h 32mDelta
mar. 12/306:08 pmMDW - BIO
2 stops16h 12mDelta
Deal found 12/10$929
This Delta deal was found by Cheapflights users on 12/10. 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.
ven. 12/2611:55 amBIO - ORD
2 stops15h 41mDelta
mar. 12/305:20 pmORD - BIO
1 stop17h 00mDelta
Deal found 12/10$929
This Mytrip deal was found by Cheapflights users on 12/10. 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.
mer. 12/1712:10 pmBIO - ORD
3 stops27h 21mMultiple Airlines
mar. 12/306:30 pmORD - BIO
3 stops34h 00mMultiple Airlines
Deal found 12/10$1,003
This Rumbo deal was found by Cheapflights users on 12/10. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/266:45 amBIO - ORD
2 stops17h 15mIberia
mar. 12/306:30 pmORD - BIO
2 stops15h 25mIberia
Deal found 12/10$1,467

Find flight deals from Bilbao to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Chicago (CHI). 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 décembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$423
(Mytrip)

One-way from

$281
(Priceline)

Popular in

August

Cheapest in

February

Average price

$611
Provider with most accurate pricing for Bilbao-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Chicago (CHI) flights.
Search Deals
From Bilbao to Chicago (CHI)
Search Deals
One-way flight from Bilbao to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to Chicago 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 décembre 12, 2025.
Use the filters below to find and compare flights from Bilbao to Chicago that are best for you.

Fly from

Bilbao

Fly to

Chicago

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

jeu. 1/29

12:10 pm-3:25 pm

1 stop34h 15m

Chicago O'Hare Intl

dim. 2/1

8:25 pm-6:35 pm

1 stop15h 10m

$457

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mar. 3/3

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

mer. 3/11

7:30 pm-11:15 pm

1 stop21h 45m

$468

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mar. 3/3

6:45 am-8:19 pm

2 stops20h 34m

Chicago O'Hare Intl

mer. 3/11

7:30 pm-11:15 pm

1 stop21h 45m

$478

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

ven. 1/16

6:45 am-5:42 pm

2 stops17h 57m

Chicago O'Hare Intl

jeu. 1/22

5:40 pm-12:50 pm

1 stop12h 10m

$482

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

jeu. 1/29

9:15 am-8:10 pm

2 stops17h 55m

Chicago O'Hare Intl

dim. 2/1

11:52 am-8:30 am

2 stops13h 38m

$490

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

sam. 1/24

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

sam. 1/31

5:40 pm-12:50 pm

1 stop12h 10m

$492

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

ven. 1/23

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

dim. 2/1

11:44 am-8:30 am

2 stops13h 46m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

sam. 1/24

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

sam. 1/31

11:39 am-8:30 am

2 stops13h 51m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mar. 3/3

11:55 am-2:20 pm

1 stop33h 25m

Chicago O'Hare Intl

jeu. 3/12

6:20 pm-11:30 am

1 stop11h 10m

$528

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

sam. 1/24

6:50 am-4:16 pm

2 stops16h 26m

Chicago Midway

sam. 1/31

11:45 am-5:20 pm

2 stops22h 35m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 39 results
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Compare providers for flights from Bilbao to Chicago

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 Chicago in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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 flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-Chicago 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 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated décembre 12, 2025.
Read reviews from past customers who have flown Lufthansa from Bilbao to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,626 reviews

Entertainment

6.4

Food

6.3

Boarding

7.0

Comfort

6.8

Crew

7.6

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,626 reviews
Lufthansa
6.8
Okay
7,626 reviews

Entertainment

6.4

Food

6.3

Boarding

7.0

Comfort

6.8

Crew

7.6

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Bilbao to Chicago. 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?

    For a flight from Bilbao to Chicago, you will be flying from Bilbao. Bilbao (BIO) is just 3.0 mi from the center of the city. Bilbao is the only Bilbao airport and it handles 0 outbound flights to Chicago per day. 0 airlines have flights to Chicago from Bilbao on a regular basis.

  • How long is the flight from Bilbao to Chicago?

    Airlines like TAP AIR PORTUGAL, Finnair, and Iberia fly from Bilbao to Chicago in about 15h 10m. The time it takes to get you to your destination can typically vary by up to 19h 05m. The distance from Bilbao to Chicago is about 4116 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Bilbao to Chicago that include hotel bookings?

    Yes. In addition to deals on Bilbao to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bilbao to Chicago.

  • Can I find deals for business class flights from Bilbao to Chicago?

    Yes. Cheapflights offers flight deals from Bilbao to Chicago 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?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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