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$345 Find Cheap Flights from Bilbao to Illinois

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 4/3. 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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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$751

Good to know

Low season

February

High season

October

Cheapest flight

$345
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 8% 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

Top tips for finding cheap flights to Illinois

  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be June, July and August. The cheapest month to fly from Bilbao is January.
  • Morning departure is around 27% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Bilbao to Illinois

Recent round-trip flight deals

 
These are the cheapest round-trip flights from Bilbao to Illinois found on KAYAK in the last 72 hours.
4/3Thu
1 stopIberia
12h 00mBIO-ORD
4/7Mon
2 stopsIberia
13h 54mORD-BIO
$345
4/22Tue
1 stopIberia
23h 40mBIO-ORD
4/29Tue
1 stopIberia
17h 25mORD-BIO
$354
4/4Fri
1 stop
14h 30mBIO-ORD
4/8Tue
1 stop
18h 05mORD-BIO
$363
4/3Thu
1 stop
12h 00mBIO-ORD
4/7Mon
1 stop
18h 05mORD-BIO
$365
5/20Tue
2 stopsUnited Airlines
31h 45mBIO-ORD
5/26Mon
1 stopUnited Airlines
14h 20mORD-BIO
$426
4/8Tue
1 stopUnited Airlines
13h 10mBIO-ORD
4/15Tue
2 stopsUnited Airlines
14h 37mORD-BIO
$430
5/20Tue
1 stopLufthansa
13h 25mBIO-ORD
5/26Mon
1 stopLufthansa
13h 15mORD-BIO
$431
4/3Thu
2 stopsDelta
17h 56mBIO-ORD
4/7Mon
2 stopsDelta
16h 45mORD-BIO
$449
4/3Thu
2 stopsDelta
18h 12mBIO-MDW
4/7Mon
2 stopsDelta
14h 10mMDW-BIO
$450
4/17Thu
1 stopLufthansa
22h 50mBIO-ORD
4/27Sun
1 stopLufthansa
12h 55mORD-BIO
$532

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Bilbao to Illinois found on KAYAK in the last 72 hours.
4/26Sat
2 stops
29h 15mBIO-ORD
$385
4/26Sat
2 stopsIberia
29h 20mBIO-ORD
$386
4/25Fri
2 stops
40h 50mBIO-ORD
$403
4/26Sat
1 stopBritish Airways
31h 45mBIO-ORD
$404
4/26Sat
2 stopsLufthansa
24h 30mBIO-ORD
$483
4/25Fri
1 stopTAP AIR PORTUGAL
34h 55mBIO-ORD
$491
4/25Fri
1 stopTAP AIR PORTUGAL
34h 55mBIO-ORD
$492
4/26Sat
1 stopLufthansa
22h 40mBIO-ORD
$505
4/27Sun
1 stopTurkish Airlines
22h 15mBIO-ORD
$533
4/27Sun
1 stopTurkish Airlines
22h 15mBIO-ORD
$534

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Last minute flights from Bilbao to Illinois

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Bilbao to Illinois that are departing in the next 10 days.
2/24Mon
multi-stop
35h 25mBIO-ORD
2/27Thu
multi-stop
30h 50mORD-BIO
$1,084
2/24Mon
multi-stop
31h 17mBIO-ORD
2/27Thu
multi-stop
31h 45mORD-BIO
$1,118
2/24Mon
multi-stopTAP AIR PORTUGAL
31h 57mBIO-ORD
2/27Thu
multi-stopTAP AIR PORTUGAL
23h 02mORD-BIO
$1,183
2/24Mon
multi-stopIberia
12h 15mBIO-ORD
2/27Thu
multi-stopIberia
13h 05mORD-BIO
$1,196
2/24Mon
multi-stopSWISS
15h 15mBIO-ORD
2/27Thu
multi-stopSWISS
16h 00mORD-BIO
$1,248
2/24Mon
multi-stopLufthansa
30h 40mBIO-ORD
2/28Fri
multi-stopLufthansa
20h 50mORD-BIO
$1,264
2/24Mon
multi-stopLufthansa
26h 25mBIO-ORD
2/28Fri
multi-stopLufthansa
20h 50mORD-BIO
$1,266
2/24Mon
multi-stopTAP AIR PORTUGAL
31h 57mBIO-ORD
2/26Wed
multi-stopTAP AIR PORTUGAL
42h 15mORD-BIO
$1,553
2/24Mon
multi-stopSWISS
35h 15mBIO-ORD
2/28Fri
multi-stopSWISS
42h 40mORD-BIO
$1,612
2/24Mon
multi-stopIberia
12h 15mBIO-ORD
2/26Wed
multi-stopIberia
13h 34mORD-BIO
$1,983

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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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