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>

$294 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, Mar 1 - Tue, Mar 10

8:25 pm - 6:35 pm

ORD

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15h 10m

1 stop

6:40 pm - 4:00 pm

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ORD

27h 20m

1 stop

$474TAP AIR PORTUGAL

Thu, Apr 23 - 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

$559Turkish Airlines

Sun, Mar 1 - Thu, Mar 5

8:25 pm - 6:35 pm

ORD

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15h 10m

1 stop

12:10 pm - 3:25 pm

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ORD

34h 15m

1 stop

$564TAP AIR PORTUGAL

Sat, Apr 11 - Sat, Apr 18

6:05 pm - 6:05 pm

ORD

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17h 00m

1 stop

6:35 pm - 4:00 pm

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ORD

28h 25m

1 stop

$576TAP AIR PORTUGAL

Tue, Aug 11 - Thu, Aug 27

5:32 pm - 4:55 pm

STL

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16h 23m

2 stops

9:15 am - 7:14 pm

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STL

16h 59m

2 stops

$583American Airlines

Tue, Aug 11 - Thu, Aug 27

3:30 pm - 1:20 pm

STL

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14h 50m

1 stop

2:00 pm - 1:25 pm

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STL

30h 25m

1 stop

$666Lufthansa

Sun, Apr 5 - Sun, Apr 12

6:33 pm - 4:55 pm

STL

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39h 22m

2 stops

5:35 pm - 8:54 am

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STL

46h 19m

2 stops

$679British Airways

Tue, Aug 11 - Thu, Aug 27

3:30 pm - 1:20 pm

STL

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14h 50m

1 stop

6:50 am - 8:02 pm

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STL

20h 12m

2 stops

$688United Airlines

Tue, Aug 11 - Thu, Aug 27

3:30 pm - 5:10 pm

STL

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18h 40m

1 stop

5:55 pm - 1:25 pm

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STL

26h 30m

1 stop

$781Lufthansa

Sun, Apr 5 - Sun, Apr 12

10:00 am - 1:20 pm

STL

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20h 20m

2 stops

6:50 am - 1:25 pm

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STL

13h 35m

1 stop

$843United Airlines

Useful Info

Low season	February
High season	August
Cheapest flight	$294

Best time to beat the crowds but there is an average 98% increase in price.

Most popular time to fly and prices are also 12% 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.

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Laredo

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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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$294 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