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>

$389 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

Mon, Sep 14 - Thu, Sep 24

8:10 pm - 5:20 pm

ORD

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38h 10m

1 stop

6:20 pm - 9:40 am

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ORD

22h 20m

1 stop

$697Turkish Airlines

Mon, Sep 14 - Thu, Sep 24

8:10 pm - 5:20 pm

ORD

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38h 10m

1 stop

6:20 pm - 9:40 am

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ORD

22h 20m

1 stop

$698Turkish Airlines

Tue, Sep 8 - Tue, Sep 15

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

$728Turkish Airlines

Tue, Sep 8 - Sat, Sep 19

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

$741Turkish Airlines

Mon, Sep 14 - Thu, Sep 24

4:45 pm - 11:15 pm

ORD

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23h 30m

2 stops

6:45 am - 2:25 pm

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ORD

14h 40m

1 stop

$771Multiple Airlines

Mon, Sep 14 - Thu, Sep 24

9:15 pm - 10:05 pm

ORD

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17h 50m

2 stops

9:15 am - 7:45 pm

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ORD

17h 30m

2 stops

$777Iberia

Mon, Sep 14 - Thu, Sep 24

9:27 am - 8:30 am

ORD

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16h 03m

2 stops

9:15 am - 9:25 pm

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ORD

19h 10m

2 stops

$781American Airlines

Mon, Jul 27 - Fri, Aug 7

5:10 pm - 4:30 pm

MDW

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16h 20m

2 stops

6:45 am - 6:01 pm

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MDW

18h 16m

2 stops

$893Delta

Mon, Aug 31 - Thu, Dec 17

5:25 pm - 4:30 pm

MDW

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16h 05m

2 stops

6:50 am - 6:37 pm

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MDW

18h 47m

2 stops

$894Delta

Mon, Jul 6 - Wed, Jul 22

6:58 pm - 4:30 pm

MDW

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14h 32m

2 stops

7:10 am - 4:15 pm

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MDW

16h 05m

2 stops

$921Multiple Airlines

Useful Info

Low season	February
High season	July

Best time to beat the crowds but there is an average 114% increase in price.

Most popular time to fly with an average 9% increase in price.

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.

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Bilbao (BIO)

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$389 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

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Choose which airport to fly into in Bilbao

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