$371 Find Cheap Flights from Bilbao to Illinois - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bilbao to Illinois departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Bilbao to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bilbao to Illinois 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.

Recent round-trip flight deals from Bilbao to Illinois

Thu, Sep 10 - Sat, Sep 19
Iberia Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
Iberia Logo
11:37 am - 8:30 am
ORD
-
BIO
13h 53m
2 stops
$371Iberia
Thu, Sep 10 - Sat, Sep 19
Iberia Logo
9:15 am - 9:35 pm
BIO
-
ORD
19h 20m
2 stops
Iberia Logo
11:37 am - 8:30 am
ORD
-
BIO
13h 53m
2 stops
$376Iberia
Wed, Oct 21 - Mon, Oct 26
British Airways Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
British Airways Logo
12:05 pm - 8:30 am
ORD
-
BIO
14h 25m
2 stops
$399British Airways
Wed, Oct 21 - Mon, Oct 26
British Airways Logo
9:15 am - 8:30 pm
BIO
-
ORD
18h 15m
2 stops
British Airways Logo
12:05 pm - 8:30 am
ORD
-
BIO
14h 25m
2 stops
$406British Airways
Tue, Sep 1 - Sun, Sep 6
Iberia Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
Iberia Logo
10:25 pm - 10:05 pm
ORD
-
BIO
16h 40m
1 stop
$416Iberia
Tue, Sep 1 - Sun, Sep 6
Delta Logo
6:45 am - 4:59 pm
BIO
-
MDW
17h 14m
2 stops
Delta Logo
5:45 pm - 5:30 pm
MDW
-
BIO
16h 45m
2 stops
$505Delta
Tue, Sep 1 - Sun, Sep 6
Delta Logo
6:45 am - 4:59 pm
BIO
-
MDW
17h 14m
2 stops
Delta Logo
5:45 pm - 5:30 pm
MDW
-
BIO
16h 45m
2 stops
$506Delta
Fri, Dec 18 - Sat, Dec 26
United Airlines Logo
6:45 am - 1:45 pm
BIO
-
STL
14h 00m
1 stop
United Airlines Logo
4:05 pm - 10:50 pm
STL
-
BIO
23h 45m
2 stops
$1,102United Airlines
Fri, Dec 18 - Sat, Dec 26
United Airlines Logo
6:45 am - 1:45 pm
BIO
-
STL
14h 00m
1 stop
United Airlines Logo
4:05 pm - 10:50 pm
STL
-
BIO
23h 45m
2 stops
$1,104United Airlines
Wed, Jul 22 - Sun, Jul 26
American Airlines Logo
9:15 am - 9:21 pm
BIO
-
STL
19h 06m
2 stops
American Airlines Logo
8:20 am - 8:30 am
STL
-
BIO
17h 10m
2 stops
$1,113American Airlines
Booking Insights

KAYAK's insights & trends for Bilbao to Illinois flights

Get data-powered insights and trends into flights from Bilbao to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Bilbao to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bilbao to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Bilbao to Illinois is February, when tickets cost $378 (return) on average. On the other hand, the most expensive months are June and August, when the average cost of round-trip tickets is $671 and $667 respectively.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$371
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Bilbao to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Bilbao to Illinois?

    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 Bilbao to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Bilbao to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Bilbao to 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 Bilbao to Illinois?

    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 from Bilbao to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Bilbao to Illinois?

    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 from Bilbao to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Bilbao to Illinois

Information on your arrival and departure airports

Bilbao (BIO)