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Cheap flights from Chicago (CHI) to Bilbao (BIO) from $382

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — BIO
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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The best prices from Chicago to Bilbao are usually found in January or November, booked 76 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 May 8, 2024.

Popular in

July

Cheapest in

January

Average price

$958

Round-trip from

$560
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 39% potential price drop
Search Deals
Average for round-trip flights in May 2024
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From Chicago (CHI) to Bilbao
Search Deals

What is the cheapest day to fly round-trip from Chicago to Bilbao?

Sunday is generally a great day to depart. Flying on this day could help you save up to 55%.

How far in advance should I book a flight from Chicago to Bilbao?

To save up to 47% on this flight, we recommend booking at least 41 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Bilbao from $993 1-2 weeks out and tickets from $1,005 for flights departing within the next 72 hours.

What is the cheapest month to fly from Chicago to Bilbao?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to Bilbao. Flights to Bilbao from Chicago in January are about $962 on average during January, but can be found for as low as $476.

When is the cheapest time to fly from Chicago to Bilbao (CHI - BIO)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 42% on flights from Chicago to Bilbao by exploring options for tickets in the morning.

Cheap TAP AIR PORTUGAL flights from Chicago to Bilbao

Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between Chicago and Bilbao. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced TAP AIR PORTUGAL flights we've found from Chicago to Bilbao. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 7/206:00 pmORD - BIO
1 stop18h 20mTAP AIR PORTUGAL
Sun 8/48:30 pmBIO - ORD
1 stop26h 45mTAP AIR PORTUGAL
Deal found 5/7$934
Mon 7/156:00 pmORD - BIO
1 stop16h 35mTAP AIR PORTUGAL
Sun 8/48:30 pmBIO - ORD
1 stop26h 45mTAP AIR PORTUGAL
Deal found 5/6$990
Wed 7/176:00 pmORD - BIO
1 stop10h 45mTAP AIR PORTUGAL
Sun 8/48:30 pmBIO - ORD
1 stop26h 45mTAP AIR PORTUGAL
Deal found 5/6$1,010
Fri 7/196:00 pmORD - BIO
1 stop16h 55mTAP AIR PORTUGAL
Sun 8/48:30 pmBIO - ORD
1 stop26h 45mTAP AIR PORTUGAL
Deal found 5/6$1,063
Sat 7/2010:37 amORD - BIO
2 stops25h 43mTAP AIR PORTUGAL
Sun 8/48:30 pmBIO - ORD
1 stop26h 45mTAP AIR PORTUGAL
Deal found 5/7$1,136
Wed 7/176:00 pmORD - BIO
1 stop10h 45mTAP AIR PORTUGAL
Thu 8/112:30 pmBIO - ORD
1 stop34h 30mTAP AIR PORTUGAL
Deal found 5/6$1,333

Cheap Iberia flights from Chicago to Bilbao

Explore cheap flight options specifically provided by Iberia for the route between Chicago and Bilbao. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Browse through some of the cheapest Iberia flights traveling from Chicago to Bilbao. Deals frequently update to provide users with more options.
Sun 6/164:35 pmORD - BIO
1 stop13h 20mIberia
Wed 7/39:15 amBIO - ORD
1 stop12h 05mIberia
Deal found 5/7$1,008
Sun 6/164:35 pmORD - BIO
1 stop13h 20mIberia
Mon 7/89:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$1,018
Thu 6/204:35 pmORD - BIO
1 stop13h 20mIberia
Wed 7/39:15 amBIO - ORD
1 stop12h 05mIberia
Deal found 5/7$1,058
Thu 6/204:35 pmORD - BIO
1 stop13h 20mIberia
Mon 7/89:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$1,068
Sun 6/164:35 pmORD - BIO
1 stop13h 20mIberia
Sun 7/79:35 pmBIO - ORD
2 stops23h 10mIberia
Deal found 5/7$1,413
Wed 6/194:35 pmORD - BIO
1 stop13h 20mIberia
Mon 7/89:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$1,422
Thu 6/204:35 pmORD - BIO
1 stop13h 20mIberia
Sun 7/79:35 pmBIO - ORD
2 stops23h 10mIberia
Deal found 5/7$1,463
Thu 7/184:35 pmORD - BIO
1 stop13h 20mIberia
Thu 8/19:35 pmBIO - ORD
2 stops23h 10mIberia
Deal found 5/6$1,555
Tue 7/1611:23 amORD - BIO
2 stops14h 07mIberia
Mon 8/59:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/6$1,590

Cheap Chicago to Bilbao flights in May & June 2024

Find cheap flight options from Chicago to Bilbao specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Scroll through some of the best deals on flights from Chicago to Bilbao in 2024. Check back in a little while for more flight options.
Sun 6/164:35 pmORD - BIO
1 stop13h 20mIberia
Wed 7/39:15 amBIO - ORD
1 stop12h 05mIberia
Deal found 5/7$1,008
Mon 6/107:15 pmORD - BIO
1 stop17h 25mSWISS
Fri 6/288:30 amBIO - ORD
1 stop14h 25mSWISS
Deal found 5/8$1,011
Mon 6/177:15 pmORD - BIO
1 stop17h 25mSWISS
Tue 7/98:30 pmBIO - ORD
1 stop22h 40mSWISS
Deal found 5/7$1,012
Mon 6/173:40 pmORD - BIO
2 stops19h 10mAir Canada
Tue 7/911:35 amBIO - ORD
2 stops29h 26mAir Canada
Deal found 5/7$1,016
Sun 6/164:35 pmORD - BIO
1 stop13h 20mIberia
Mon 7/89:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$1,018
Mon 6/173:40 pmORD - BIO
2 stops19h 10mMultiple Airlines
Thu 7/46:45 amBIO - ORD
2 stops14h 55mMultiple Airlines
Deal found 5/7$1,019
Wed 6/59:45 amORD - BIO
2 stops20h 10mAmerican Airlines
Wed 6/196:45 amBIO - ORD
2 stops19h 50mAmerican Airlines
Deal found 5/7$1,022
Wed 6/59:25 amORD - BIO
2 stops17h 30mDelta
Wed 6/197:10 amBIO - ORD
1 stop14h 50mDelta
Deal found 5/7$1,024
Sun 6/167:10 amORD - BIO
2 stops20h 40mMultiple Airlines
Thu 7/46:45 amBIO - ORD
2 stops14h 55mMultiple Airlines
Deal found 5/7$1,025

Chicago to Bilbao 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Bilbao in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Scroll through some of the best deals on flights from Chicago to Bilbao in 2024. Check back in a little while for more flight options.
Tue 10/18:30 pmORD - BIO
1 stop37h 55mTurkish Airlines
Wed 10/236:25 pmBIO - ORD
1 stop22h 15mTurkish Airlines
Deal found 5/7$626
Sun 8/184:35 pmORD - BIO
1 stop13h 20mIberia
Tue 8/279:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$729
Tue 8/205:15 pmORD - BIO
1 stop33h 40mDelta
Tue 8/277:10 amBIO - ORD
1 stop14h 50mDelta
Deal found 5/7$732
Mon 8/1910:35 amORD - BIO
2 stops17h 30mDelta
Tue 8/277:10 amBIO - ORD
1 stop14h 50mDelta
Deal found 5/7$735
Mon 8/196:00 pmORD - BIO
1 stop16h 35mTAP AIR PORTUGAL
Tue 8/277:35 pmBIO - ORD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 5/7$736
Wed 8/214:35 pmORD - BIO
1 stop23h 40mIberia
Tue 8/279:35 pmBIO - ORD
1 stop23h 45mIberia
Deal found 5/7$737
Tue 8/205:15 pmORD - BIO
1 stop33h 40mDelta
Tue 8/277:10 amBIO - ORD
2 stops16h 35mDelta
Deal found 5/7$742
Mon 8/1910:35 amORD - BIO
2 stops17h 30mDelta
Tue 8/277:10 amBIO - ORD
2 stops16h 35mDelta
Deal found 5/7$745
Sun 8/186:00 pmORD - BIO
1 stop10h 45mTAP AIR PORTUGAL
Fri 8/2312:25 pmBIO - ORD
1 stop34h 45mTAP AIR PORTUGAL
Deal found 5/7$747

One-way flights to Bilbao from Chicago

Search for one-way flight options from Chicago to Bilbao. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the best available deals we've found on one-way flights from Chicago to Bilbao. Those needing a return flight from Chicago to Bilbao can use the search form above.
Fri 6/288:27 amMDW - BIO
2 stops41h 53mMultiple Airlines
Deal found 5/6$382
Sun 10/207:30 pmORD - BIO
3 stops20h 30mMultiple Airlines
Deal found 5/7$389
Fri 6/2810:27 amORD - BIO
2 stops39h 53mMultiple Airlines
Deal found 5/6$410
Mon 10/147:30 pmORD - BIO
2 stops15h 55mMultiple Airlines
Deal found 5/7$435
Fri 6/288:27 amMDW - BIO
3 stops30h 38mMultiple Airlines
Deal found 5/6$449
Mon 10/147:30 pmORD - BIO
3 stops20h 30mMultiple Airlines
Deal found 5/7$465
Fri 6/2810:27 amORD - BIO
3 stops28h 38mMultiple Airlines
Deal found 5/6$477
Sun 10/206:00 pmORD - BIO
1 stop10h 45mTAP AIR PORTUGAL
Deal found 5/7$522
Sun 10/2012:15 pmMDW - BIO
3 stops23h 10mMultiple Airlines
Deal found 5/7$543

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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$934 - $1,055

Route

Depart

Return

Price

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 7/20

1 stop18h 20m

Bilbao

Sun 8/4

1 stop26h 45m

$934

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 6/14

2 stops20h 15m

Bilbao

Mon 6/17

2 stops18h 15m

$1,005

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 6/16

1 stop13h 20m

Bilbao

Wed 7/3

1 stop12h 05m

$1,008

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 6/10

1 stop17h 25m

Bilbao

Fri 6/28

1 stop14h 25m

$1,011

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 6/17

2 stops19h 10m

Bilbao

Tue 7/9

2 stops29h 26m

$1,016

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 6/10

2 stops26h 03m

Bilbao

Fri 6/28

1 stop13h 25m

$1,020

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 6/5

2 stops20h 10m

Bilbao

Wed 6/19

2 stops19h 50m

$1,022

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 6/5

2 stops17h 30m

Bilbao

Wed 6/19

1 stop14h 50m

$1,024

Chicago O'Hare IntlBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 6/18

2 stops27h 00m

Bilbao

Wed 7/3

1 stop14h 35m

$1,055

Flights are sorted by cheapest first

Deals found on 5/7

When is the best time to book a flight from Chicago to Bilbao?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Bilbao. Price data was last updated on May 3, 2024.
To ensure you get the cheapest price possible for a flight from Chicago to Bilbao, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Chicago to Bilbao?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Bilbao. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Bilbao flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Bilbao by month

Plan your trip from Chicago to Bilbao by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Bilbao is currently $452 while a round-trip flight costs $1,011. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from Chicago to Bilbao (average of $560). Flying from Chicago to Bilbao in June is currently the most expensive (average of $1,253). 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.

January

$560

February

$596

March

$695

April

$679

May

$908

June

$1,253

July

$1,041

August

$813

September

$927

October

$721

November

$632

December

$595

Temperature and rainfall in Bilbao by month

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

BIO

Temperature

48.2 - 68 °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 May 8, 2024.
See what other customers who have flown with TAP AIR PORTUGAL, Iberia and SWISS 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
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
2,013 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,379 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,777 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 6 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.

  • Can I find flights from Chicago to Bilbao for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Chicago to Bilbao for under $1,000. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $934, but on average you can expect to pay $1,015.

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

    Cheapflights users have booked flights from Chicago to Bilbao round-trip from $934. Other airlines that can offer you cheap pricing are Iberia, from $1,008, and SWISS, from $1,011. TAP AIR PORTUGAL is 2% 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 $522 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include SWISS from $728 and KLM from $815 one-way.

  • What are the most popular airlines that fly from Chicago to Bilbao?

    Before booking your flight from Chicago to Bilbao check out the most popular airlines for this route: Delta, Aer Lingus or Iberia.

  • What does ORD to BIO mean?

    ORD and BIO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ORD to BIO refers to a flight route from Chicago O'Hare Intl Airport to Bilbao Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

  • Can I find deals for flights from Chicago to Bilbao that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Bilbao flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Bilbao with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Bilbao flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Chicago to Bilbao that allow pets onboard?

    Many airlines flying from Chicago to Bilbao offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Bilbao?

    Yes, you can often find last-minute deals on Chicago to Bilbao flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Bilbao flight deals updated?

    The Chicago to Bilbao flight deals you see on this page were last updated on 5/7.

See more FAQs

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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
St. Louis to Bilbao flights
O'Hare Intl to San Sebastian flights
Midway to Bilbao flights
St. Louis to San Sebastian flights

Top 6 airlines flying from Chicago to Bilbao

Discover the top 6 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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$490Average$1,140FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapest$585Average$981FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest$700Average$1,325FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$722Average$1,387FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$842Average$1,202FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest$871Average$1,084FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
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Search flights from Chicago to Bilbao by cabin class

Find flights from Chicago to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Bilbao?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Bilbao from Chicago today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Chicago to Bilbao?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bilbao from Chicago.

Can Cheapflights find flights from Chicago to Bilbao with no change fees?

Need flexible booking options for your flight to Bilbao from Chicago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Chicago to Bilbao become cheaper?

Not ready to book yet? You can track prices for flights from Chicago to Bilbao on Cheapflights with our Price Alert feature and get notified when better prices are available.

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