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Bilbao

$354+ Cheap flights from Illinois 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIO
janv. 26 — févr. 21
dim. 1/26
dim. 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 janvier 21, 2025.

Round-trip from

$546
(FlightHub)

One-way from

$354
(Kiwi.com)
From Illinois to Bilbao
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One-way flight from Illinois to Bilbao
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Find flight deals from Illinois to Bilbao

Cheapest flights from Illinois to Bilbao
Explore the most affordable flight options available from Illinois to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 21, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/1211:55 amORD - BIO
1 stop21h 30mTurkish Airlines
mer. 2/195:20 pmBIO - ORD
1 stop23h 50mTurkish Airlines
Deal found 1/20$546
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/184:45 pmORD - BIO
1 stop17h 10mIberia
mar. 2/256:45 amBIO - ORD
1 stop14h 45mIberia
Deal found 1/19$560
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/42:05 pmORD - BIO
2 stops14h 50mAir Canada
mar. 3/116:45 amBIO - ORD
2 stops18h 52mAir Canada
Deal found 1/19$565
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/57:05 pmORD - BIO
1 stop19h 10mMultiple Airlines
mer. 3/121:10 pmBIO - ORD
2 stops25h 51mMultiple Airlines
Deal found 1/20$570
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/129:25 pmORD - BIO
1 stop13h 40mUnited Airlines
mer. 2/191:10 pmBIO - ORD
2 stops26h 51mUnited Airlines
Deal found 1/21$599
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/49:33 amMDW - BIO
2 stops18h 57mDelta
mar. 3/116:50 amBIO - MDW
2 stops21h 33mDelta
Deal found 1/19$617
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/37:15 pmORD - BIO
2 stops33h 00mScandinavian Airlines
jeu. 4/107:10 amBIO - ORD
2 stops40h 00mScandinavian Airlines
Deal found 1/21$781
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/1511:35 pmORD - BIO
1 stop17h 20mLufthansa
dim. 3/236:45 pmBIO - ORD
1 stop30h 40mLufthansa
Deal found 1/20$815
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/292:20 pmORD - BIO
2 stops20h 30mSWISS
lun. 5/122:10 pmBIO - ORD
2 stops32h 45mSWISS
Deal found 1/21$902
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/295:55 pmORD - BIO
1 stop16h 40mTAP AIR PORTUGAL
dim. 9/78:30 pmBIO - ORD
1 stop27h 10mTAP AIR PORTUGAL
Deal found 1/21$916
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/318:20 pmORD - BIO
2 stops38h 10mAer Lingus
jeu. 7/316:10 pmBIO - ORD
1 stop26h 50mAer Lingus
Deal found 1/20$1,085
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/225:15 pmORD - BIO
1 stop21h 45mKLM
ven. 8/17:10 amBIO - ORD
1 stop14h 50mKLM
Deal found 1/19$1,177

Find flights from Illinois to Bilbao within your budget

Customize your flight search to find flights from Illinois 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 janvier 21, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/29

7:50 pm-5:25 pm

1 stop38h 35m

Bilbao

lun. 5/12

12:05 pm-9:50 am

1 stop28h 45m

$549

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mer. 3/5

7:20 am-11:55 am

2 stops21h 35m

Bilbao

mer. 3/12

1:10 pm-2:51 pm

2 stops31h 41m

$562

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mer. 3/5

7:20 am-11:55 am

2 stops21h 35m

Bilbao

mer. 3/12

7:20 am-7:25 pm

1 stop18h 05m

$572

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mer. 2/12

4:45 pm-12:50 pm

1 stop13h 05m

Bilbao

mer. 2/19

9:15 am-2:30 pm

1 stop12h 15m

$583

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mer. 2/12

9:25 pm-6:05 pm

1 stop13h 40m

Bilbao

mer. 2/19

1:10 pm-9:01 am

2 stops26h 51m

$599

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

dim. 2/16

5:18 pm-12:50 pm

2 stops12h 32m

Bilbao

lun. 3/3

1:35 pm-2:30 pm

1 stop31h 55m

$610

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

mar. 3/4

9:33 am-11:30 am

2 stops18h 57m

Bilbao

mar. 3/11

6:50 am-6:02 pm

2 stops17h 12m

$617

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

jeu. 4/3

7:15 pm-10:45 pm

2 stops20h 30m

Bilbao

jeu. 4/10

7:10 am-4:10 pm

2 stops16h 00m

$770

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

sam. 3/15

11:35 pm-10:55 pm

1 stop17h 20m

Bilbao

dim. 3/23

6:45 pm-7:25 pm

1 stop30h 40m

$815

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/29

2:20 pm-5:50 pm

2 stops20h 30m

Bilbao

lun. 5/12

2:10 pm-3:55 pm

2 stops32h 45m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 21 results
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Best time to book a flight from Illinois to Bilbao

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

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Bilbao (average of $541). Flying from Illinois 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 IL to BIO?

Find hourly flight availability from Illinois 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 janvier 21, 2025.

When flying from Illinois to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 janvier 21, 2025.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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 Illinois 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 Illinois?

    For a flight from Illinois to Bilbao, you will be flying into Bilbao. Bilbao (BIO) is just 3.0 mi from the center of the city.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $483. However, be on the lookout for offers from Delta and Lufthansa, as they are both options that can get you from Illinois to Bilbao for a low price.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Bilbao (average of $541). Flying from Illinois 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 Illinois to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Bilbao

Discover the top 5 airlines that operate flights from Illinois 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 janvier 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$540Average$813FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$546Average$1,080FlexibilityNo cancel feeOn-time77%
KLMCheapest$567Average$1,049FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$639Average$1,177FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$757Average$1,224FlexibilityNo cancel feeOn-time76%
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