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>

$292 CHEAP FLIGHTS from Illinois to Bilbao

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Cheap Flights from Illinois to Bilbao

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Bilbao that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Sat, Aug 9 - Thu, Aug 21

6:15 pm - 6:05 pmORD-BIO

16h 50m1 stop

12:15 pm - 4:10 pmBIO-ORD

34h 55m1 stop

$484TAP AIR PORTUGAL

Find Deal

Sat, Aug 2 - Sat, Aug 23

6:15 pm - 6:05 pmORD-BIO

16h 50m1 stop

6:35 pm - 4:15 pmBIO-ORD

28h 40m1 stop

$502TAP AIR PORTUGAL

Find Deal

Wed, Oct 8 - Tue, Oct 14

6:00 pm - 6:55 pmORD-BIO

17h 55m2 stops

10:45 am - 4:10 pmBIO-ORD

36h 25m2 stops

$565

Find Deal

Wed, Oct 8 - Tue, Oct 14

7:05 pm - 8:10 pmORD-BIO

18h 05m1 stop

6:45 am - 7:55 pmBIO-ORD

20h 10m1 stop

$589

Find Deal

Wed, Oct 8 - Tue, Oct 14

9:40 pm - 5:50 pmORD-BIO

13h 10m1 stop

6:45 am - 2:55 pmBIO-ORD

15h 10m2 stops

$591United Airlines

Find Deal

Sun, Oct 5 - Wed, Oct 15

3:30 pm - 1:25 pmSTL-BIO

14h 55m1 stop

6:45 am - 1:30 pmBIO-STL

13h 45m1 stop

$594Lufthansa

Find Deal

Wed, Oct 8 - Tue, Oct 14

1:43 pm - 12:45 pmORD-BIO

16h 02m2 stops

9:15 am - 2:15 pmBIO-ORD

12h 00m1 stop

$594American Airlines

Find Deal

Sun, Oct 5 - Wed, Oct 15

3:30 pm - 1:25 pmSTL-BIO

14h 55m1 stop

6:45 am - 1:30 pmBIO-STL

13h 45m1 stop

$595Lufthansa

Find Deal

Sun, Oct 5 - Wed, Oct 15

4:05 pm - 5:50 pmSTL-BIO

42h 45m2 stops

6:45 am - 1:30 pmBIO-STL

13h 45m1 stop

$598United Airlines

Find Deal

Wed, Oct 8 - Tue, Oct 14

1:43 pm - 12:45 pmORD-BIO

16h 02m2 stops

9:15 am - 8:11 pmBIO-ORD

17h 56m2 stops

$604American Airlines

Find Deal

Useful Info

Low season	April
High season	August
Cheapest flight	$292

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly with an average 5% increase in price.

Flight from St. Louis 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

Lekeitio

Everything you need to know for your flight to Bilbao

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Cabin class

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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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$292 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