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>

$321 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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Cheapest round-trip

$462

Overall average: $750

TAP AIR PORTUGAL

Sun 2/15Tue 3/3

ORD - BIO • 1 stop

Cheapest one-way

$321

Multiple Airlines

Tue 8/4

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

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, Feb 15 - Tue, Mar 3

8:25 pm - 6:35 pm

ORD

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15h 10m

1 stop

6:40 pm - 3:00 pm

BIO

ORD

27h 20m

1 stop

$462TAP AIR PORTUGAL

Mon, Apr 20 - Wed, Apr 29

6:05 pm - 11:25 pm

STL

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22h 20m

2 stops

6:50 am - 1:25 pm

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STL

13h 35m

1 stop

$479United Airlines

Thu, Apr 2 - Thu, Apr 9

8:10 pm - 11:10 am

ORD

BIO

32h 00m

1 stop

6:15 pm - 9:40 am

BIO

ORD

22h 25m

1 stop

$553Turkish Airlines

Wed, Mar 4 - Wed, Mar 11

11:50 am - 4:10 pm

ORD

BIO

21h 20m

1 stop

5:10 pm - 7:25 pm

BIO

ORD

32h 15m

1 stop

$558Turkish Airlines

Wed, Apr 15 - Sat, Apr 25

9:40 pm - 11:25 pm

ORD

BIO

18h 45m

1 stop

6:50 am - 7:55 pm

BIO

ORD

20h 05m

1 stop

$594Lufthansa

Wed, Apr 15 - Sat, Apr 25

9:40 pm - 11:25 pm

ORD

BIO

18h 45m

1 stop

6:50 am - 7:55 pm

BIO

ORD

20h 05m

1 stop

$595Lufthansa

Tue, Mar 3 - Tue, Mar 10

6:30 pm - 3:55 pm

ORD

BIO

14h 25m

2 stops

7:45 am - 6:20 pm

BIO

ORD

16h 35m

2 stops

$619Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

10:49 am - 11:20 am

MDW

BIO

17h 31m

2 stops

6:50 am - 6:40 pm

BIO

MDW

17h 50m

2 stops

$643Delta

Sun, May 17 - Sat, May 23

6:11 pm - 10:05 pm

STL

BIO

20h 54m

2 stops

9:35 pm - 11:42 pm

BIO

STL

33h 07m

2 stops

$751Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

1:26 pm - 11:30 am

MDW

BIO

15h 04m

2 stops

6:50 am - 5:37 pm

BIO

MDW

17h 47m

2 stops

$856Delta

Useful Info

Low season	April
High season	August
Cheapest flight	$321

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly with an average 3% 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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Flights to other cities

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Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$321 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