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$367+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — ORD
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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Cheap flight deals from Bilbao to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Illinois (USIL). 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 diciembre 18, 2024.

Round-trip from

$385
(Air France)

One-way from

$367
(StudentUniverse)
From Bilbao to Illinois
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One-way flight from Bilbao to Illinois
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Find flight deals from Bilbao to Illinois

Best flights from Bilbao to Illinois
Discover carefully curated flight deals from Bilbao to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 18, 2024.

This Air France deal was found by Cheapflights users on 12/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/316:50 amBIO - ORD
1 stop14h 40mMultiple Airlines
vie. 2/75:20 pmORD - BIO
1 stop17h 00mMultiple Airlines
Deal found 12/17$385
This KLM deal was found by Cheapflights users on 12/17. 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.
vie. 1/246:50 amBIO - ORD
1 stop14h 40mKLM
mar. 1/285:20 pmORD - BIO
1 stop17h 00mKLM
Deal found 12/17$386
This Expedia deal was found by Cheapflights users on 12/18. 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.
jue. 2/207:20 amBIO - ORD
1 stop14h 45mAir France
jue. 2/275:20 pmORD - BIO
1 stop11h 10mAir France
Deal found 12/18$390
This Delta deal was found by Cheapflights users on 12/18. 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.
jue. 2/2011:55 amBIO - ORD
2 stops15h 58mDelta
jue. 2/2711:40 amORD - BIO
2 stops16h 50mDelta
Deal found 12/18$391
This American Airlines deal was found by Cheapflights users on 12/18. 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.
vie. 1/249:15 amBIO - ORD
1 stop12h 15mAmerican Airlines
mar. 1/288:12 amORD - BIO
2 stops17h 18mAmerican Airlines
Deal found 12/18$451
This lol.travel deal was found by Cheapflights users on 12/17. 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.
mié. 2/267:20 amBIO - ORD
2 stops19h 17mAir Canada
dom. 3/911:35 amORD - BIO
2 stops18h 20mAir Canada
Deal found 12/17$468
This lol.travel deal was found by Cheapflights users on 12/18. 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.
lun. 6/29:15 amBIO - ORD
1 stop12h 00mIberia
mar. 9/164:45 pmORD - BIO
2 stops13h 05mIberia
Deal found 12/18$471
This United Airlines deal was found by Cheapflights users on 12/17. 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.
vie. 2/2811:35 amBIO - ORD
2 stops37h 47mUnited Airlines
sáb. 3/89:07 pmORD - BIO
2 stops32h 43mUnited Airlines
Deal found 12/17$475
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1812:25 pmBIO - ORD
1 stop34h 45mTAP AIR PORTUGAL
vie. 5/26:00 pmORD - BIO
1 stop16h 55mTAP AIR PORTUGAL
Deal found 12/17$519
This Booking.com deal was found by Cheapflights users on 12/18. 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.
jue. 4/178:40 amBIO - ORD
1 stop34h 30mSWISS
dom. 4/272:20 pmORD - BIO
1 stop12h 15mSWISS
Deal found 12/18$520
This Lufthansa deal was found by Cheapflights users on 12/16. 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.
mié. 6/116:45 amBIO - STL
1 stop13h 45mLufthansa
mar. 9/95:18 pmSTL - BIO
2 stops17h 32mLufthansa
Deal found 12/16$761
This Delta deal was found by Cheapflights users on 12/17. 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.
vie. 1/246:50 amBIO - MDW
2 stops18h 24mDelta
mar. 1/282:08 pmMDW - BIO
2 stops14h 32mDelta
Deal found 12/17$392

Find flights from Bilbao to Illinois within your budget

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 diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

vie. 1/31

6:50 am-2:30 pm

1 stop14h 40m

Chicago O'Hare Intl

vie. 2/7

5:20 pm-5:20 pm

1 stop17h 00m

$385

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

vie. 1/24

6:50 am-2:30 pm

1 stop14h 40m

Chicago O'Hare Intl

mar. 1/28

5:20 pm-5:20 pm

1 stop17h 00m

$386

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

jue. 2/20

7:20 am-3:05 pm

1 stop14h 45m

Chicago O'Hare Intl

jue. 2/27

11:40 am-11:30 am

2 stops16h 50m

$390

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

jue. 2/20

11:55 am-8:53 pm

2 stops15h 58m

Chicago O'Hare Intl

jue. 2/27

11:40 am-11:30 am

2 stops16h 50m

$391

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

vie. 1/24

6:50 am-6:14 pm

2 stops18h 24m

Chicago Midway

mar. 1/28

2:08 pm-11:40 am

2 stops14h 32m

$392

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

vie. 1/24

9:15 am-2:30 pm

1 stop12h 15m

Chicago O'Hare Intl

mar. 1/28

8:12 am-8:30 am

2 stops17h 18m

$451

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

mié. 2/26

7:20 am-7:37 pm

2 stops19h 17m

Chicago O'Hare Intl

dom. 3/9

11:35 am-11:55 am

2 stops18h 20m

$468

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

lun. 6/2

9:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

mar. 9/16

4:45 pm-12:50 pm

2 stops13h 05m

$471

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

vie. 2/28

11:35 am-6:22 pm

2 stops37h 47m

Chicago O'Hare Intl

sáb. 3/8

9:07 pm-12:50 pm

2 stops32h 43m

$475

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

vie. 2/28

12:15 pm-10:20 pm

2 stops17h 05m

Chicago Midway

sáb. 3/8

5:05 pm-5:20 pm

2 stops17h 15m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 29 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.

Travel insights for flights from Bilbao to Illinois

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 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 diciembre 18, 2024.
Read through reviews of airlines operating flights from Bilbao to Illinois, such as KLM, American Airlines and Iberia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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 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.

  • What are the cheapest airlines to fly from Bilbao to Illinois one-way?

    The cheapest airlines for a one-way flight from Bilbao to Illinois are TAP AIR PORTUGAL ($367), Delta ($500), and KLM ($529).

  • 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.

  • What is the cheapest month to book a flight from Bilbao to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Bilbao to Illinois (average of $232). Flying from Bilbao to Illinois in June is currently the most expensive (average of $308). 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.

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Alternative routes for Bilbao to Illinois

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