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>

$324 CHEAP FLIGHTS from Illinois to Bilbao

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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, Apr 19 - Thu, Apr 30

8:10 pm - 11:10 am

ORD

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32h 00m

1 stop

6:20 pm - 9:40 am

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ORD

22h 20m

1 stop

$569Turkish Airlines

Mon, Apr 20 - Tue, Apr 28

8:10 pm - 5:20 pm

ORD

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38h 10m

1 stop

12:10 pm - 9:40 am

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ORD

28h 30m

1 stop

$572Turkish Airlines

Tue, Sep 8 - Tue, Sep 15

8:10 pm - 5:20 pm

ORD

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38h 10m

1 stop

1:10 pm - 9:40 am

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ORD

27h 30m

2 stops

$677Multiple Airlines

Tue, Aug 11 - Thu, Aug 27

3:30 pm - 5:10 pm

STL

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18h 40m

1 stop

6:50 am - 11:00 pm

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STL

23h 10m

2 stops

$758Lufthansa

Tue, Aug 11 - Thu, Aug 27

6:55 pm - 11:05 pm

STL

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21h 10m

2 stops

6:50 am - 11:37 pm

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STL

23h 47m

2 stops

$793Lufthansa

Tue, Oct 6 - Tue, Oct 13

5:59 pm - 5:30 pm

MDW

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16h 31m

2 stops

6:45 am - 6:37 pm

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MDW

18h 52m

2 stops

$901Delta

Wed, Apr 22 - Tue, Apr 28

10:41 am - 9:50 am

MDW

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16h 09m

2 stops

6:45 am - 5:58 pm

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MDW

18h 13m

2 stops

$903Delta

Tue, May 5 - Tue, May 12

8:45 am - 4:00 pm

STL

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24h 15m

2 stops

2:05 pm - 6:53 pm

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STL

35h 48m

2 stops

$925United Airlines

Wed, May 20 - Wed, May 27

11:06 am - 11:15 pm

STL

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29h 09m

2 stops

6:45 am - 10:58 pm

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STL

23h 13m

2 stops

$1,117Multiple Airlines

Fri, May 22 - Fri, May 29

3:10 pm - 10:50 pm

STL

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24h 40m

2 stops

6:45 am - 1:25 pm

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STL

13h 40m

1 stop

$1,454United Airlines

Useful Info

Low season	February
High season	August
Cheapest flight	$324

Best time to beat the crowds but there is an average 118% increase in price.

Most popular time to fly and prices are also 18% lower on average.

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

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Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

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$324 Find Cheap Flights from Illinois to Bilbao

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

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