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>

$341 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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Cheapest round-trip

$483

United Airlines

Sun 1/25Sun 2/1

STL - BIO • 2 stops

Cheapest one-way

$341

Multiple Airlines

Mon 5/11

STL - BIO • 3 stops

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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

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

Recent round-trip flight deals from Illinois to Bilbao

Sun, Jan 25 - Sun, Feb 1

6:40 pm - 6:05 pm

STL

BIO

16h 25m2 stops

6:45 am - 3:29 pm

BIO

STL

39h 44m2 stops

$483United Airlines

Fri, Jan 23 - Tue, Jan 27

9:57 am - 11:20 pm

STL

BIO

30h 23m2 stops

11:35 am - 12:29 pm

BIO

STL

31h 54m2 stops

$488United Airlines

Thu, Jan 15 - Mon, Jan 19

7:20 pm - 6:40 pm

ORD

BIO

16h 20m1 stop

7:30 pm - 1:14 pm

BIO

ORD

48h 44m2 stops

$492Scandinavian Airlines

Sun, Jan 25 - Sun, Feb 1

6:30 pm - 10:55 pm

ORD

BIO

21h 25m2 stops

7:10 am - 5:20 pm

BIO

ORD

17h 10m2 stops

$515Multiple Airlines

Tue, Feb 10 - Tue, Feb 17

9:50 pm - 9:55 pm

ORD

BIO

17h 05m1 stop

6:45 am - 3:20 pm

BIO

ORD

15h 35m1 stop

$544Lufthansa

Tue, Feb 10 - Tue, Feb 17

9:05 pm - 9:55 pm

ORD

BIO

17h 50m2 stops

6:45 am - 3:20 pm

BIO

ORD

15h 35m1 stop

$555Lufthansa

Tue, Feb 10 - Tue, Feb 17

1:58 pm - 11:30 am

ORD

BIO

14h 32m2 stops

6:50 am - 4:41 pm

BIO

ORD

16h 51m2 stops

$584Multiple Airlines

Sat, Apr 25 - Sun, May 17

7:15 pm - 11:35 am

ORD

BIO

33h 20m1 stop

9:25 pm - 4:10 pm

BIO

ORD

25h 45m1 stop

$586Scandinavian Airlines

Mon, Mar 30 - Wed, Apr 8

11:25 am - 10:55 am

ORD

BIO

16h 30m1 stop

6:20 pm - 6:15 pm

BIO

ORD

30h 55m1 stop

$605Turkish Airlines

Sun, Jan 25 - Sun, Feb 1

11:50 am - 11:00 am

ORD

BIO

16h 10m1 stop

5:10 pm - 6:25 pm

BIO

ORD

32h 15m1 stop

$635Turkish Airlines

Useful Info

Low season	April
High season	August
Cheapest flight	$341

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly with an average 3% 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

Laredo

Lekeitio

Everything you need to know for your flight to Bilbao

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Cabin class

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Direct Flights

Flights to other cities

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Information on the airport you'll fly into in Bilbao

Bilbao (BIO)

BIO

$341 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