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$281+ Cheap flights from Bilbao (BIO) to Illinois

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 — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Bilbao to Illinois

Cheapest flights from Bilbao to Illinois
Explore the most affordable flight options available from Bilbao to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 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.
Fri 12/266:50 amBIO - MDW
2 stops17h 36mDelta
Tue 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.
Fri 12/266:05 pmBIO - ORD
1 stop28h 05mKLM
Tue 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.
Wed 12/175:10 pmBIO - ORD
1 stop23h 55mTurkish Airlines
Tue 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.
Wed 12/176:50 amBIO - ORD
1 stop14h 30mDelta
Tue 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.
Wed 12/1712:15 pmBIO - MDW
2 stops18h 32mDelta
Tue 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.
Fri 12/2611:55 amBIO - ORD
2 stops15h 41mDelta
Tue 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.
Wed 12/1712:10 pmBIO - ORD
3 stops27h 21mMultiple Airlines
Tue 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.
Fri 12/266:45 amBIO - ORD
2 stops17h 15mIberia
Tue 12/306:30 pmORD - BIO
2 stops15h 25mIberia
Deal found 12/10$1,467

Find flight deals from Bilbao to Illinois

Keep the following information in mind while searching for Bilbao to Illinois flight deals. Data was last updated December 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 Illinois
Search Deals
One-way flight from Bilbao to Illinois
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).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Bilbao

Fly to

Illinois

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 1/29

12:10 pm-3:25 pm

1 stop34h 15m

Chicago O'Hare Intl

Sun 2/1

8:25 pm-6:35 pm

1 stop15h 10m

$457

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 3/3

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 3/11

7:30 pm-11:15 pm

1 stop21h 45m

$468

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 3/3

6:45 am-8:19 pm

2 stops20h 34m

Chicago O'Hare Intl

Wed 3/11

7:30 pm-11:15 pm

1 stop21h 45m

$478

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 1/16

6:45 am-5:42 pm

2 stops17h 57m

Chicago O'Hare Intl

Thu 1/22

5:40 pm-12:50 pm

1 stop12h 10m

$482

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 1/29

9:15 am-8:10 pm

2 stops17h 55m

Chicago O'Hare Intl

Sun 2/1

11:52 am-8:30 am

2 stops13h 38m

$490

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 1/24

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-12:50 pm

1 stop12h 10m

$492

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 1/23

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Sun 2/1

11:44 am-8:30 am

2 stops13h 46m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 1/24

9:15 am-2:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:30 am

2 stops13h 51m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 3/3

11:55 am-2:20 pm

1 stop33h 25m

Chicago O'Hare Intl

Thu 3/12

6:20 pm-11:30 am

1 stop11h 10m

$528

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

Sat 1/24

6:50 am-4:16 pm

2 stops16h 26m

Chicago Midway

Sat 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 40 results
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Best time to book a flight from Bilbao to Illinois

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Lufthansa from Bilbao to Illinois to help guide your decision. You can also see how each airline stacks up 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 Illinois. 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 Illinois?

    Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to Illinois from Bilbao.

  • How long is the flight from Bilbao to Illinois?

    Departing from Bilbao to Illinois will take you 15h 10m. Bilbao and Illinois are separated by a distance of 4116 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Bilbao to Illinois?

    The most popular route from Bilbao to Illinois is Bilbao - Chicago O'Hare Intl. You may also consider Bilbao - Chicago Midway or Bilbao - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bilbao to Illinois 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

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