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>

$283 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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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$557

Overall average: $665

Turkish Airlines

Wed 2/25Wed 3/4

ORD - BIO • 1 stop

Cheapest one-way

$283

Multiple Airlines

Thu 4/30

MDW - 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

Wed, Feb 25 - Wed, Mar 4

8:20 pm - 11:00 am

ORD

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31h 40m

1 stop

5:10 pm - 10:05 am

BIO

ORD

23h 55m

1 stop

$557Turkish Airlines

Wed, Apr 15 - Sat, Apr 25

11:25 am - 5:20 pm

ORD

BIO

22h 55m

1 stop

12:10 pm - 9:40 am

BIO

ORD

28h 30m

1 stop

$611Turkish Airlines

Wed, Apr 15 - Sat, Apr 25

4:30 pm - 12:45 pm

ORD

BIO

13h 15m

1 stop

1:30 pm - 12:25 am

BIO

ORD

17h 55m

2 stops

$646American Airlines

Wed, Apr 15 - Sat, Apr 25

5:55 pm - 4:55 pm

ORD

BIO

16h 00m

2 stops

9:15 am - 2:15 pm

BIO

ORD

12h 00m

1 stop

$671British Airways

Wed, Feb 25 - Sun, Mar 1

12:15 pm - 10:50 am

STL

BIO

15h 35m

2 stops

6:45 am - 1:55 pm

BIO

STL

14h 10m

1 stop

$675United Airlines

Wed, Feb 25 - Sun, Mar 1

11:39 am - 10:50 am

STL

BIO

16h 11m

2 stops

12:45 pm - 3:29 pm

BIO

STL

33h 44m

2 stops

$683United Airlines

Wed, Feb 25 - Wed, Mar 4

11:50 am - 4:10 pm

ORD

BIO

21h 20m

1 stop

9:05 pm - 6:25 pm

BIO

ORD

28h 20m

2 stops

$688Multiple Airlines

Wed, Apr 15 - Sat, Apr 25

11:15 am - 8:30 am

ORD

BIO

14h 15m

2 stops

5:35 pm - 12:20 pm

BIO

ORD

25h 45m

2 stops

$694British Airways

Wed, Feb 25 - Wed, Mar 4

6:30 pm - 7:40 am

ORD

BIO

30h 10m

3 stops

7:45 am - 5:20 pm

BIO

ORD

16h 35m

2 stops

$701Multiple Airlines

Fri, Mar 27 - Fri, Apr 3

11:59 am - 8:30 am

STL

BIO

14h 31m

2 stops

6:45 am - 6:07 pm

BIO

STL

18h 22m

2 stops

$941American Airlines

Useful Info

Low season	February
High season	August

Best time to beat the crowds but there is an average 78% increase in price.

Most popular time to fly and prices are also 10% lower on average.

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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Flights to other cities

Origins

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Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$283 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