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>

$304 CHEAP FLIGHTS from Illinois to Bilbao

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Cheapest round-trip

$413

Typical prices: $691-$783

Lufthansa

Wed 2/18Tue 2/24

ORD - BIO • 1 stop

Cheapest one-way

$304

Multiple Airlines

Sun 2/15

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

Wed, Feb 18 - Tue, Feb 24

9:50 pm - 9:55 pm

ORD

BIO

17h 05m

1 stop

7:40 am - 6:25 pm

BIO

ORD

17h 45m

1 stop

$413Lufthansa

Wed, Feb 18 - Tue, Feb 24

12:50 pm - 4:10 pm

ORD

BIO

20h 20m

2 stops

11:35 am - 6:25 pm

BIO

ORD

13h 50m

1 stop

$442Multiple Airlines

Mon, Apr 20 - Wed, Apr 29

6:35 pm - 11:25 pm

STL

BIO

21h 50m

2 stops

6:50 am - 1:25 pm

BIO

STL

13h 35m

1 stop

$452Lufthansa

Mon, Apr 20 - Wed, Apr 29

4:05 pm - 11:25 pm

STL

BIO

24h 20m

2 stops

6:50 am - 3:24 pm

BIO

STL

15h 34m

2 stops

$453Multiple Airlines

Mon, Apr 20 - Wed, Apr 29

6:35 pm - 11:25 pm

STL

BIO

21h 50m

2 stops

7:15 am - 9:08 pm

BIO

STL

20h 53m

2 stops

$471United Airlines

Sun, Mar 1 - Tue, Mar 17

6:00 pm - 6:05 pm

ORD

BIO

17h 05m

1 stop

6:45 am - 6:28 pm

BIO

ORD

17h 43m

2 stops

$473United Airlines

Sun, Apr 19 - Wed, Apr 29

1:11 pm - 5:30 pm

STL

BIO

21h 19m

2 stops

6:45 am - 11:12 pm

BIO

STL

23h 27m

2 stops

$485Delta

Sun, Mar 8 - Sun, Mar 15

6:34 pm - 5:20 pm

MDW

BIO

16h 46m

2 stops

6:50 am - 10:31 pm

BIO

MDW

21h 41m

2 stops

$912Delta

Wed, Jun 3 - Sun, Jul 5

1:00 pm - 9:50 am

MDW

BIO

13h 50m

2 stops

7:10 am - 4:25 pm

BIO

MDW

16h 15m

2 stops

$2,475Air France

Wed, Jun 3 - Mon, Jul 6

1:00 pm - 9:50 am

MDW

BIO

13h 50m

2 stops

7:10 am - 4:25 pm

BIO

MDW

16h 15m

2 stops

$2,686Air France

Useful Info

Low season	April
High season	August
Cheapest flight	$304

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

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Cabin class

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Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$304 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