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>

$237 CHEAP FLIGHTS from Illinois to Bilbao

BIO

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

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Travelers love KAYAK

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

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Cheapest round-trip

$466

Overall average: $750

Lufthansa

Sun 3/1Sun 3/8

ORD - BIO • 1 stop

Cheapest one-way

$237

Multiple Airlines

Thu 4/16

ORD - BIO • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Bilbao!

Flight Deals

Cheap Flights from Illinois to Bilbao

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Bilbao that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Recent round-trip flight deals from Illinois to Bilbao

Sun, Mar 1 - Sun, Mar 8

9:50 pm - 6:05 pm

ORD

BIO

13h 15m

1 stop

11:35 am - 7:25 pm

BIO

ORD

13h 50m

1 stop

$466Lufthansa

Sun, Mar 1 - Sun, Mar 8

6:55 pm - 11:05 pm

STL

BIO

21h 10m

2 stops

6:45 am - 1:55 pm

BIO

STL

14h 10m

1 stop

$467Lufthansa

Sun, Mar 1 - Sun, Mar 8

9:50 pm - 6:05 pm

ORD

BIO

13h 15m

1 stop

11:35 am - 7:25 pm

BIO

ORD

13h 50m

1 stop

$469Lufthansa

Sun, Mar 1 - Sun, Mar 8

9:55 am - 6:05 pm

STL

BIO

25h 10m

2 stops

12:45 pm - 9:07 pm

BIO

STL

38h 22m

2 stops

$478United Airlines

Sun, Mar 1 - Sun, Mar 8

3:50 pm - 12:50 pm

ORD

BIO

14h 00m

2 stops

9:15 am - 4:14 pm

BIO

ORD

12h 59m

1 stop

$486Iberia

Sun, Mar 1 - Sun, Mar 8

8:00 am - 6:05 pm

ORD

BIO

27h 05m

2 stops

11:35 am - 7:25 pm

BIO

ORD

13h 50m

1 stop

$492Multiple Airlines

Fri, Jan 30 - Tue, Feb 3

8:13 am - 8:30 am

STL

BIO

17h 17m

2 stops

6:45 am - 8:13 pm

BIO

STL

20h 28m

2 stops

$497American Airlines

Fri, Feb 27 - Tue, Mar 3

2:19 pm - 11:20 pm

ORD

BIO

26h 01m

2 stops

7:25 am - 2:10 pm

BIO

ORD

13h 45m

1 stop

$511United Airlines

Thu, Jan 29 - Mon, Feb 2

5:40 pm - 12:50 pm

ORD

BIO

12h 10m

1 stop

9:35 pm - 2:55 pm

BIO

ORD

24h 20m

1 stop

$520Iberia

Sun, Mar 1 - Sun, Mar 8

8:00 am - 6:05 pm

ORD

BIO

27h 05m

2 stops

11:35 am - 9:05 pm

BIO

ORD

15h 30m

2 stops

$521Multiple Airlines

Useful Info

Low season	April
High season	August
Cheapest flight	$237

Best time to beat the crowds but there is an average 4% 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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$237 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

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