Find flights
Deals
When to book
FAQs & Tips

$300 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 2/6. 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

Search 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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$580

Good to know

Low season

February

High season

October

Cheapest flight

$300
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly and prices are also 4% 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

  • High season is considered to be June, July and August. The cheapest month to fly from Bilbao is January.
  • On average*, there is no price difference when choosing to fly in the morning or the evening on this flight route.
*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.
2/6Thu
1 stop
14h 45mBIO-ORD
2/10Mon
1 stop
13h 05mORD-BIO
$300
2/6Thu
1 stopFinnair
14h 45mBIO-ORD
2/10Mon
1 stopFinnair
23h 30mORD-BIO
$308
2/6Thu
1 stopAmerican Airlines
14h 45mBIO-ORD
2/10Mon
2 stopsAmerican Airlines
12h 30mORD-BIO
$311
2/6Thu
2 stopsAmerican Airlines
18h 11mBIO-ORD
2/10Mon
2 stopsAmerican Airlines
12h 30mORD-BIO
$316
2/6Thu
2 stopsIberia
19h 41mBIO-ORD
2/10Mon
2 stopsIberia
13h 50mORD-BIO
$329
2/6Thu
2 stopsDelta
22h 30mBIO-MDW
2/10Mon
2 stopsDelta
21h 36mMDW-BIO
$335
2/6Thu
2 stopsLufthansa
21h 25mBIO-STL
2/10Mon
2 stopsLufthansa
22h 03mSTL-BIO
$580
2/6Thu
1 stopLufthansa
31h 45mBIO-STL
2/10Mon
2 stopsLufthansa
15h 00mSTL-BIO
$614
6/8Sun
2 stopsIberia
42h 32mBIO-STL
9/2Tue
2 stopsIberia
14h 25mSTL-BIO
$658
6/13Fri
2 stopsDelta
21h 41mBIO-STL
9/3Wed
2 stopsDelta
15h 34mSTL-BIO
$731

Search by stops

Search by airline

Search by price

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.
6/9Mon
1 stop
12h 00mBIO-ORD
$364
4/26Sat
2 stopsLufthansa
25h 20mBIO-ORD
$445
4/26Sat
1 stopLufthansa
22h 40mBIO-ORD
$449
6/9Mon
2 stopsIberia
24h 15mBIO-ORD
$570
6/9Mon
2 stopsDelta
17h 11mBIO-MDW
$595
6/9Mon
3 stops
28h 55mBIO-MDW
$604
7/15Tue
1 stopAer Lingus
26h 50mBIO-ORD
$628
6/9Mon
3 stops
16h 34mBIO-ORD
$630
7/15Tue
2 stopsTAP AIR PORTUGAL
33h 38mBIO-ORD
$704
4/26Sat
2 stopsDelta
17h 13mBIO-MDW
$723

Search by stops

Search by airline

Search by price

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

Information on your arrival and departure airports

Bilbao (BIO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.