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$300+ Cheap flights from Bilbao (BIO) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — CHI
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$300
(Finnair)

Popular in

July

Cheapest in

January

Average price

$346
Provider with most accurate pricing for Bilbao-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Bilbao-Chicago (CHI) flights.
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From Bilbao to Chicago (CHI)
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Highest demand for flights based on searches. 27% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find 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 January 21, 2025.

This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/69:15 amBIO - ORD
2 stops19h 41mIberia
Mon 2/1011:40 amORD - BIO
2 stops13h 50mIberia
Deal found 1/20$329
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 2/66:50 amBIO - MDW
2 stops22h 30mDelta
Mon 2/1012:44 pmMDW - BIO
2 stops21h 36mDelta
Deal found 1/21$337
This American Airlines deal was found by Cheapflights users on 1/21. 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 1/309:15 amBIO - ORD
2 stops19h 41mAmerican Airlines
Mon 2/311:53 amORD - BIO
2 stops17h 57mAmerican Airlines
Deal found 1/21$380
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Thu 2/1310:55 amBIO - ORD
2 stops34h 35mMultiple Airlines
Mon 2/175:20 pmORD - BIO
3 stops31h 15mMultiple Airlines
Deal found 1/21$452
This Booking.com deal was found by Cheapflights users on 1/19. 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.
Thu 8/2112:15 pmBIO - ORD
1 stop34h 45mTAP AIR PORTUGAL
Sat 9/66:15 pmORD - BIO
1 stop18h 15mTAP AIR PORTUGAL
Deal found 1/19$669
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 7/277:15 amBIO - ORD
2 stops32h 54mUnited Airlines
Sat 8/239:00 amORD - BIO
2 stops18h 45mUnited Airlines
Deal found 1/21$1,021
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Tue 9/166:10 pmBIO - ORD
1 stop31h 50mAer Lingus
Tue 9/233:45 pmORD - BIO
1 stop18h 45mAer Lingus
Deal found 1/20$1,841
This Expedia deal was found by Cheapflights users on 1/20. 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.
Thu 9/47:10 amBIO - ORD
1 stop14h 50mAir France
Fri 9/126:10 pmORD - BIO
2 stops20h 50mAir France
Deal found 1/20$2,230
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Tue 9/166:45 amBIO - ORD
2 stops19h 44mAir Canada
Tue 9/2310:40 amORD - BIO
2 stops22h 25mAir Canada
Deal found 1/20$2,246
This KLM deal was found by Cheapflights users on 1/20. 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.
Mon 6/3012:00 pmBIO - ORD
1 stop33h 10mKLM
Thu 7/315:15 pmORD - BIO
1 stop21h 45mKLM
Deal found 1/20$3,600
This KLM deal was found by Cheapflights users on 1/21. 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.
Wed 4/306:50 amBIO - MDW
2 stops16h 22mKLM
Mon 5/196:50 pmMDW - BIO
2 stops14h 40mKLM
Deal found 1/21$6,709

Find flights from Bilbao to Chicago within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 2/13

10:55 am-2:30 pm

2 stops34h 35m

Chicago O'Hare Intl

Mon 2/17

5:20 pm-7:35 am

3 stops31h 15m

$452

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 2/6

12:20 pm-7:44 am

3 stops26h 24m

Chicago O'Hare Intl

Mon 2/10

12:45 pm-5:55 pm

2 stops22h 10m

$981

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 6/30

6:10 pm-7:00 pm

1 stop31h 50m

Chicago O'Hare Intl

Sun 8/3

3:45 pm-5:30 pm

1 stop18h 45m

$1,977

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 7/1

9:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Tue 8/5

11:23 am-8:30 am

2 stops14h 07m

$2,065

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sun 6/29

9:15 am-7:20 pm

2 stops17h 05m

Chicago O'Hare Intl

Sun 8/3

11:23 am-12:45 pm

2 stops18h 22m

$2,116

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 6/30

12:00 pm-2:10 pm

1 stop33h 10m

Chicago O'Hare Intl

Thu 7/31

5:15 pm-10:00 pm

1 stop21h 45m

$3,600

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

Fri 5/2

7:10 am-5:03 pm

2 stops16h 53m

Chicago Midway

Mon 5/19

10:10 am-10:25 am

2 stops17h 15m

$4,148

BilbaoChicago

BIO - MDW

BIOMDW

Bilbao

Wed 4/30

6:50 am-4:12 pm

2 stops16h 22m

Chicago Midway

Mon 5/19

6:50 pm-4:30 pm

2 stops14h 40m

$6,709

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Mon 6/9

9:15 am-2:15 pm

1 stop12h 00m

$364

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Sat 4/26

7:15 pm-1:35 pm

2 stops25h 20m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Bilbao-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Chicago flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Bilbao to Chicago

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

Rainfall in Chicago by month

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

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

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 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 January 21, 2025.
Peruse reviews from past customers who have flown with American Airlines, KLM and Delta from Bilbao to Chicago to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

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
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

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
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

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 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.

  • What are the cheapest airlines flying from Bilbao to Chicago round-trip?

    According to our current data, Finnair ($308), Iberia ($329), and Delta ($337) offers the cheapest pricing from Bilbao to Chicago. These flights start at 47% lower than the current average price 3 months from now.

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

    $445 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Iberia and Aer Lingus, with prices starting from $570 and $628, respectively.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Bilbao to Chicago (average of $245). Flying from Bilbao to Chicago in March is currently the most expensive (average of $320). 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?

Book flights to Bilbao if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Bilbao to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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