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$361+ Cheap flights from Chicago (CHI) to Bilbao (BIO)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BIO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Chicago to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Bilbao (BIO). 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 December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$540
(FlightHub)

One-way from

$523
(Air France)

Popular in

July

Cheapest in

October

Average price

$1,190
Provider with most accurate pricing for Chicago (CHI)-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bilbao flights.
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From Chicago (CHI) to Bilbao
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One-way flight from Chicago (CHI) to Bilbao
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Chicago to Bilbao

Cheapest flights from Chicago to Bilbao
Explore the most affordable flight options available from Chicago to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/255:30 pmORD - BIO
2 stops16h 50mDelta
Fri 1/36:50 amBIO - ORD
1 stop14h 40mDelta
Deal found 12/21$2,181
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:00 pmORD - BIO
2 stops15h 50mIberia
Fri 1/39:15 amBIO - ORD
2 stops17h 52mIberia
Deal found 12/20$2,819
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/2511:48 amMDW - BIO
2 stops16h 42mDelta
Fri 1/36:50 amBIO - MDW
2 stops17h 54mDelta
Deal found 12/21$3,766

Find flights from Chicago to Bilbao within your budget

Customize your flight search to find flights from Chicago to Bilbao 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 22, 2024.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 2/5

11:55 am-4:25 pm

1 stop21h 30m

Bilbao

Mon 2/10

12:10 pm-6:35 pm

1 stop37h 25m

$540

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/4

2:51 pm-12:50 pm

2 stops14h 59m

Bilbao

Tue 2/11

9:15 am-2:30 pm

1 stop12h 15m

$585

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 1/19

8:25 pm-6:35 pm

1 stop15h 10m

Bilbao

Thu 1/23

12:20 pm-3:30 pm

1 stop34h 10m

$587

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/4

2:01 pm-12:50 pm

2 stops15h 49m

Bilbao

Tue 2/11

6:45 am-6:43 pm

2 stops18h 58m

$642

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 1/12

7:05 pm-10:20 pm

2 stops20h 15m

Bilbao

Mon 1/27

10:55 pm-1:25 pm

2 stops21h 30m

$670

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/4

3:55 pm-11:55 am

1 stop13h 00m

Bilbao

Tue 2/11

6:45 am-1:25 pm

1 stop13h 40m

$672

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/4

6:00 pm-9:50 pm

1 stop20h 50m

Bilbao

Tue 2/11

6:45 am-2:51 pm

2 stops39h 06m

$678

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 2/5

5:05 pm-5:20 pm

2 stops17h 15m

Bilbao

Wed 2/12

12:15 pm-10:20 pm

2 stops17h 05m

$694

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Tue 2/4

1:26 pm-5:20 pm

2 stops20h 54m

Bilbao

Tue 2/11

6:50 am-6:11 pm

2 stops18h 21m

$696

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 1/17

10:28 am-8:30 am

2 stops15h 02m

Bilbao

Fri 1/31

6:45 am-2:30 pm

1 stop14h 45m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 24 results
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Compare providers for flights from Chicago to Bilbao

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 Chicago to Bilbao in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 Chicago-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Bilbao 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 Chicago-Bilbao 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 Chicago to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Chicago 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 Chicago to Bilbao

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

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

Currently, January is the cheapest month in which you can book a flight from Chicago to Bilbao (average of $541). Flying from Chicago to Bilbao in June is currently the most expensive (average of $1,178). 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.

What is the cheapest time of day to fly from CHI to BIO?

Find hourly flight availability from Chicago to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from Chicago to Bilbao by exploring options for tickets in the morning.

Rainfall in Bilbao by month

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

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

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

If weather is an important factor for your trip to Bilbao, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. 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 Bilbao. Reviews last updated December 22, 2024.
See what other customers who have flown with Delta, Air France and KLM from Chicago to Bilbao have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,501 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.3
Good
3,900 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Bilbao (BIO) is the airport you will fly into if you book a flight from Chicago to Bilbao. You should not have trouble finding flights to Bilbao from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Bilbao airport from Chicago. It is only a 3.0 mi journey from Bilbao (BIO) to Bilbao’s city center.

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

    Cheapflights users have booked flights from Chicago to Bilbao round-trip from $540. Other airlines that can offer you cheap pricing are Iberia, from $585, and TAP AIR PORTUGAL, from $587. Turkish Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $523 on Air France. Other airlines that offer cheap prices include KLM from $524 and American Airlines from $526 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Bilbao 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 Chicago to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Bilbao (average of $541). Flying from Chicago to Bilbao in June is currently the most expensive (average of $1,178). 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 Chicago to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bilbao flights
Midway to Bilbao flights
O'Hare Intl to San Sebastian flights
St. Louis to Bilbao flights
St. Louis to San Sebastian flights

Top 5 airlines flying from Chicago to Bilbao

Discover the top 5 airlines that operate flights from Chicago to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$540Average$875FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$546Average$1,081FlexibilityNo cancel feeOn-time77%
KLMCheapest$567Average$1,049FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$707Average$1,241FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$757Average$1,190FlexibilityNo cancel feeOn-time76%
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