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$360 Find Cheap Flights from Bilbao to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bilbao to Illinois departing on 6/17. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bilbao to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bilbao to Illinois, as well as popular online travel agencies
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Best Illinois Flight Deals from Bilbao

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

St. Louis
St. Louis2 stops$774

Cheap Flight Deals from Bilbao to Illinois (BIO-USIL)

 
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.

Recent round-trip flight deals from Bilbao to Illinois

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Bilbao to Illinois.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
9:15 am - 2:15 pmBIO-ORD
12h 00m1 stop
10:10 pm - 11:15 pmORD-BIO
18h 05m1 stop
$442
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Thu, Apr 24 - Mon, Apr 28
9:15 am - 2:15 pmBIO-ORD
12h 00m1 stop
11:36 am - 12:45 pmORD-BIO
18h 09m2 stops
$452Iberia
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Thu, Apr 24 - Mon, Apr 28
6:45 am - 6:50 pmBIO-ORD
19h 05m1 stop
4:30 pm - 11:15 pmORD-BIO
23h 45m1 stop
$499Finnair
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Thu, May 29 - Tue, Jun 3
6:45 am - 2:15 pmBIO-ORD
14h 30m1 stop
4:30 pm - 11:15 pmORD-BIO
23h 45m1 stop
$500Finnair
Find Deal
Thu, May 29 - Tue, Jun 3
1:30 pm - 6:50 pmBIO-ORD
12h 20m1 stop
4:30 pm - 8:30 amORD-BIO
33h 00m1 stop
$509American Airlines
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Wed, Apr 23 - Wed, Apr 30
6:45 am - 2:15 pmBIO-ORD
14h 30m1 stop
1:15 pm - 12:45 pmORD-BIO
16h 30m2 stops
$527American Airlines
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Tue, Jun 3 - Sat, Sep 13
2:10 pm - 7:55 pmBIO-ORD
12h 45m1 stop
10:30 pm - 10:50 pmORD-BIO
17h 20m1 stop
$546Lufthansa
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Fri, May 2 - Thu, May 8
6:45 am - 9:52 amBIO-ORD
34h 07m2 stops
9:40 pm - 11:25 pmORD-BIO
18h 45m1 stop
$549United Airlines
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Fri, May 2 - Thu, May 8
7:15 pm - 7:55 pmBIO-ORD
31h 40m1 stop
10:30 pm - 10:50 pmORD-BIO
17h 20m1 stop
$562Lufthansa
Find Deal
Sat, Apr 26 - Thu, May 8
7:15 am - 6:15 pmBIO-ORD
18h 00m1 stop
9:40 pm - 11:25 pmORD-BIO
18h 45m1 stop
$572United Airlines
Find Deal
Thu, Apr 24 - Mon, Apr 28

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 time of day to fly to Illinois?

The average price for all round-trip flights from Bilbao to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $738 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $738.

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 January, when tickets cost $365 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $909 and $743 respectively.
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Good to know

Low season

February

High season

October

Cheapest flight

$360
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly and prices are also 7% lower on average.
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.

See more FAQs

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

Information on your arrival and departure airports

Bilbao (BIO)

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