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$580+ Cheap flights from O'Hare Intl (ORD) to Bilbao (BIO)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIO
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 marzo 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(Gotogate)

Popular in

June

Cheapest in

November

Average price

$759
Provider with most accurate pricing for Chicago O'Hare Intl-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Bilbao flights.
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From Chicago O'Hare Intl to Bilbao
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Highest demand for flights based on searches. 26% potential increase in price ($324 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from O'Hare Intl to Bilbao

Cheapest flights from O'Hare Intl to Bilbao
Explore the most affordable flight options available from O'Hare Intl to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 3, 2025.

This Gotogate deal was found by Cheapflights users on 3/2. 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. 4/12:05 pmORD - BIO
2 stops14h 00mAir Canada
mar. 4/86:45 amBIO - ORD
2 stops19h 45mAir Canada
Deal found 3/2$580
This Gotogate deal was found by Cheapflights users on 3/2. 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. 4/17:10 amORD - BIO
2 stops28h 10mMultiple Airlines
mar. 4/89:00 pmBIO - ORD
1 stop25h 55mMultiple Airlines
Deal found 3/2$603
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
mar. 4/16:35 pmORD - BIO
1 stop30h 20mSWISS
mar. 4/89:00 pmBIO - ORD
1 stop22h 10mSWISS
Deal found 3/2$609
This Gotogate deal was found by Cheapflights users on 3/2. 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. 4/19:40 pmORD - BIO
1 stop18h 45mLufthansa
mar. 4/86:35 pmBIO - ORD
1 stop30h 40mLufthansa
Deal found 3/2$615
This Justfly.com deal was found by Cheapflights users on 3/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/297:50 pmORD - BIO
1 stop38h 35mTurkish Airlines
lun. 5/1212:05 pmBIO - ORD
1 stop28h 35mTurkish Airlines
Deal found 3/2$651
This United deal was found by Cheapflights users on 3/3. 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.
sáb. 11/16:04 pmORD - BIO
2 stops36h 46mUnited Airlines
lun. 11/101:00 pmBIO - ORD
2 stops37h 32mUnited Airlines
Deal found 3/3$668
This KLM deal was found by Cheapflights users on 3/2. 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.
mié. 4/161:50 pmORD - BIO
2 stops14h 25mKLM
mié. 4/236:50 amBIO - ORD
2 stops15h 39mKLM
Deal found 3/2$808
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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.
jue. 4/34:30 pmORD - BIO
1 stop13h 15mIberia
jue. 4/106:45 amBIO - ORD
1 stop14h 30mIberia
Deal found 3/3$829
This oojo deal was found by Cheapflights users on 3/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/307:15 pmORD - BIO
1 stop31h 45mScandinavian Airlines
mié. 9/106:50 amBIO - ORD
2 stops40h 20mScandinavian Airlines
Deal found 3/1$830
This Delta deal was found by Cheapflights users on 3/3. 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. 4/175:10 pmORD - BIO
1 stop16h 30mDelta
jue. 4/246:50 amBIO - ORD
1 stop14h 20mDelta
Deal found 3/3$863
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/2. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/216:10 pmORD - BIO
1 stop16h 50mTAP AIR PORTUGAL
dom. 8/37:45 pmBIO - ORD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 3/2$899
This American Airlines deal was found by Cheapflights users on 3/2. 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.
dom. 7/203:24 pmORD - BIO
2 stops14h 21mAmerican Airlines
vie. 8/86:45 amBIO - ORD
1 stop14h 30mAmerican Airlines
Deal found 3/2$959

Find flights from O'Hare Intl to Bilbao within your budget

Customize your flight search to find flights from O'Hare Intl 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 marzo 3, 2025.

Fly from

O'Hare Intl

Fly to

Bilbao

Route

Depart

Return

Price

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/1

2:05 pm-11:05 am

2 stops14h 00m

Bilbao

mar. 4/8

6:45 am-7:30 pm

2 stops19h 45m

$580

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/1

7:10 am-6:20 pm

2 stops28h 10m

Bilbao

mar. 4/8

9:00 pm-3:55 pm

1 stop25h 55m

$603

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/1

6:35 pm-7:55 am

1 stop30h 20m

Bilbao

mar. 4/8

9:00 pm-12:10 pm

1 stop22h 10m

$609

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mar. 4/1

9:40 pm-11:25 pm

1 stop18h 45m

Bilbao

mar. 4/8

6:35 pm-6:15 pm

1 stop30h 40m

$615

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-9:40 am

1 stop28h 35m

$651

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mié. 4/16

9:40 pm-5:50 pm

1 stop13h 10m

Bilbao

mié. 4/23

6:45 am-8:02 am

2 stops32h 17m

$794

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

mié. 4/16

1:50 pm-11:15 am

2 stops14h 25m

Bilbao

mié. 4/23

6:50 am-3:29 pm

2 stops15h 39m

$808

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

jue. 4/3

4:30 pm-12:45 pm

1 stop13h 15m

Bilbao

jue. 4/10

6:45 am-2:15 pm

1 stop14h 30m

$829

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

sáb. 8/30

7:15 pm-10:00 am

1 stop31h 45m

Bilbao

mié. 9/10

6:50 am-4:10 pm

2 stops40h 20m

$830

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

jue. 4/17

5:10 pm-4:40 pm

1 stop16h 30m

Bilbao

jue. 4/24

6:50 am-2:10 pm

1 stop14h 20m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 17 results
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Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Bilbao in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 O'Hare Intl Airport-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from O'Hare Intl 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 O'Hare Intl to Bilbao

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

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bilbao (average of $541). Flying from Chicago O'Hare Intl Airport 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 ORD to BIO?

Find hourly flight availability from O'Hare Intl 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 marzo 3, 2025.

When flying from Chicago O'Hare Intl Airport to Bilbao, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 41% versus a flight in the afternoon.

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 marzo 3, 2025.
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta
8.0
Very good
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines
7.4
Good
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Turkish Airlines
7.3
Good
3,795 reviews
Delta
8.0
Very good
8,068 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 O'Hare Intl 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 O'Hare Intl?

    Located just 3.0 mi from the city center, Bilbao is the airport most travelers will use when flying to Bilbao from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Bilbao (BIO) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 4 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Bilbao round-trip?

    Flying on Air Canada is currently your cheapest option to Bilbao, with prices starting at $580. Additional round-trip tickets that might be worth considering are offered by SWISS and Lufthansa, with the lowest prices starting at $609 and $615, respectively. Users have found that Air Canada is 35% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bilbao one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Bilbao are Turkish Airlines ($2,576), SWISS ($9,296), and Lufthansa ($10,296).

  • Can I find deals for flights from O'Hare Intl to Bilbao that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Bilbao?

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

  • Can I find deals for business class flights from O'Hare Intl to Bilbao?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bilbao (average of $541). Flying from Chicago O'Hare Intl Airport 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.

See more FAQs

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Alternative routes for O'Hare Intl to Bilbao

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

Top 4 airlines flying from O'Hare Intl to Bilbao

Discover the top 4 airlines that operate flights from O'Hare Intl 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 marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$546Average$1,052FlexibilityNo cancel feeOn-time77%
KLMCheapest$567Average$1,049FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$639Average$1,240FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$646Average$1,079FlexibilityNo cancel feeOn-time76%
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