How does KAYAK find such low prices on flights from Illinois to Bilbao?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Bilbao. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Bilbao?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Bilbao?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Bilbao?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$227 CHEAP FLIGHTS from Illinois to Bilbao

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KAYAK searches hundreds of travel sites at once for deals on flights to Bilbao

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$396

Overall average: $750

TAP AIR PORTUGAL

Sun 2/15Tue 3/3

ORD - BIO • 1 stop

Cheapest one-way

$227

Multiple Airlines

Mon 2/23

ORD - BIO • 2 stops

Start a new search

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We hope you love your trip to Bilbao!

Flight Deals

Cheap Flights from Illinois to Bilbao

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Bilbao

Sun, Feb 15 - Tue, Mar 3

8:25 pm - 6:35 pm

ORD

BIO

15h 10m

1 stop

6:40 pm - 3:00 pm

BIO

ORD

27h 20m

1 stop

$396TAP AIR PORTUGAL

Sun, Feb 15 - Tue, Mar 3

8:25 pm - 6:35 pm

ORD

BIO

15h 10m

1 stop

6:40 pm - 3:00 pm

BIO

ORD

27h 20m

1 stop

$411TAP AIR PORTUGAL

Mon, Mar 23 - Wed, Apr 8

10:50 pm - 11:05 pm

ORD

BIO

18h 15m

1 stop

6:50 am - 12:55 pm

BIO

ORD

13h 05m

1 stop

$547Lufthansa

Mon, Mar 23 - Wed, Apr 8

10:50 pm - 11:05 pm

ORD

BIO

18h 15m

1 stop

6:50 am - 7:55 pm

BIO

ORD

20h 05m

1 stop

$549Lufthansa

Mon, Mar 23 - Wed, Apr 8

2:10 pm - 11:30 am

ORD

BIO

15h 20m

2 stops

6:45 am - 2:30 pm

BIO

ORD

14h 45m

1 stop

$575Delta

Mon, Mar 23 - Wed, Apr 8

1:37 pm - 11:30 am

ORD

BIO

15h 53m

2 stops

6:45 am - 2:30 pm

BIO

ORD

14h 45m

1 stop

$576Delta

Mon, Mar 23 - Wed, Apr 8

7:14 pm - 5:20 pm

ORD

BIO

16h 06m

2 stops

6:45 am - 6:31 pm

BIO

ORD

18h 46m

2 stops

$584Delta

Thu, Apr 2 - Mon, Apr 13

11:25 am - 11:10 am

ORD

BIO

16h 45m

1 stop

12:10 pm - 9:40 am

BIO

ORD

28h 30m

1 stop

$596Turkish Airlines

Wed, Apr 1 - Fri, Apr 10

11:25 am - 5:20 pm

ORD

BIO

22h 55m

1 stop

12:10 pm - 6:15 pm

BIO

ORD

37h 05m

1 stop

$605Turkish Airlines

Wed, Feb 11 - Sun, Feb 15

9:57 am - 6:05 pm

STL

BIO

25h 08m

2 stops

7:25 am - 9:05 pm

BIO

STL

20h 40m

2 stops

$726United Airlines

Useful Info

Low season	April
High season	August
Cheapest flight	$227

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly with an average 4% increase in price.

Flight from Chicago to Bilbao

How does KAYAK find such low prices on flights from Illinois to Bilbao?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Bilbao.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Bilbao?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Bilbao?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Bilbao?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Getxo

Laredo

Lekeitio

Everything you need to know for your flight to Bilbao

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Direct Flights

Flights to other cities

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Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$227 Find Cheap Flights from Illinois to Bilbao

KAYAK searches hundreds of travel sites at once for deals on flights to Bilbao

Everything you should know

Cheap Flights from Illinois to Bilbao

Recent round-trip flight deals from Illinois to Bilbao

Recent one-way flight deals from Illinois to Bilbao

Recent last minute flight deals from Illinois to Bilbao

Good to know

FAQs for booking flights from Illinois to Bilbao

How does KAYAK find such low prices on flights from Illinois to Bilbao?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Bilbao.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Bilbao?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Bilbao?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Bilbao?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Bilbao?

Everything you need to know for your flight to Bilbao

Information on the airport you'll fly into in Bilbao

Cabin class types available on flights to Illinois

Complete your trip to Bilbao with a hotel stay or car rental

Find direct flights for Bilbao

Flights to other popular destinations

Flights from domestic origins to Bilbao

Choose which airport to fly into in Bilbao

Find deals for your return flight