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C$521 Cheap Flights from Bilbao (BIO) to Chicago O'Hare International (ORD)

Compare Bilbao to Chicago O'Hare International flight deals

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Flight deals from Bilbao to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Bilbao Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from C$903. Find the lowest prices on one-way and return tickets right here.
Chicago.C$521 per passenger.Departing Mon., Oct. 19.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Mon., Oct. 19, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$521, select.
Chicago.C$524 per passenger.Departing Wed., Sep. 16.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Bilbao on Wed., Sep. 16, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$524, select.
Chicago.C$536 per passenger.Departing Wed., Aug. 26.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Wed., Aug. 26, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$536, select.
Chicago.C$547 per passenger.Departing Mon., Jun. 15.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from Bilbao on Mon., Jun. 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$547, select.
Chicago.C$575 per passenger.Departing Wed., May 27.One-way flight with Wizz Air.Outbound indirect flight with Wizz Air, departs from Bilbao on Wed., May 27, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$575, select.
Chicago.C$582 per passenger.Departing Mon., Jul. 6.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from Bilbao on Mon., Jul. 6, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$582, select.
Chicago.C$588 per passenger.Departing Thu., Apr. 15.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from Bilbao on Thu., Apr. 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$588, select.
Chicago.C$765 per passenger.Departing Sat., Nov. 28.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Bilbao on Sat., Nov. 28, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$765, select.
Chicago.C$767 per passenger.Departing Thu., Dec. 10.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Thu., Dec. 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$767, select.
Chicago.C$786 per passenger.Departing Sat., Mar. 20.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Sat., Mar. 20, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$786, select.

Find the cheapest month to fly from Bilbao to Chicago O'Hare International from C$521 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bilbao to Chicago O'Hare International flights are currently cheapest in October.
May
from C$575
Jun.
from C$547
Jul.
from C$582
Aug.
from C$536
Sep.
from C$524
Oct.
from C$521
Nov.
from C$765
Dec.
from C$767
Jan.
Find prices
Feb.
Find prices
Mar.
from C$786
Apr.
from C$588

Bilbao to Chicago O'Hare International: Alternative routes

Compare routes from Bilbao to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Chicago Midway

14km from central Chicago
ClosestCheapest
from C$500
Search flights

Chicago O'Hare International

25km from central Chicago
from C$521
Search flights

Chicago Dupage County

51km from central Chicago
Search flights

Chicago Rockford

126km from central Chicago
from C$531
Search flights

Bilbao to Chicago: Flight information

The things to know before you go.
Cheapest flight foundC$521
Cheapest month to flyOctober

Finding cheap flights from Bilbao to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Bilbao to Chicago O'Hare International is C$711. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Bilbao to Chicago O'Hare International. But we found flights with one or more stops from C$711.
As of May 2026, there are no flights flying from Bilbao to Chicago O'Hare International.
The cheapest month to fly from Bilbao to Chicago O'Hare International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bilbao Airport to Chicago O'Hare International Airport on Wednesday, September 23, 2026.
No airlines currently offer direct flights between Bilbao Airport and Chicago O'Hare International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Iberia offers the cheapest flight tickets to Chicago O'Hare International.

Traveling from Bilbao Airport (BIO) to O'Hare International Airport (ORD): what you need to know

  • If you're traveling during a major holiday or other peak period, give yourself more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for flights from Bilbao Airport to O'Hare International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Popular stopovers between BIO and ORD include:

    • Barcelona-El Prat Airport

    • Charles de Gaulle Airport

    • Adolfo Suarez Madrid-Barajas Airport

How to find the cheapest flights from Bilbao Airport (BIO) to O'Hare International Airport (ORD)

  • The lowest price we've found for a one-way ticket from Bilbao Airport to O'Hare International Airport is C$521. For a return flight on this route, the best price is C$711. Depending on the availability and when you book, these fares can change.

  • To get your hands on cheap flight tickets from BIO to ORD, book as early as possible. Airlines generally offer their best fares when flights are first released.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' search function. It'll show you the lowest price across each month when searching for a ticket from Bilbao Airport to O'Hare International Airport.

  • Set up a Price Alert for cheap flight tickets from BIO to ORD. There's no need to check back in every day to find out if fares have dropped. We'll let you know the moment the price changes.

  • Play around with filters to find the perfect journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Bilbao Airport to O'Hare International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Bilbao Airport (BIO)

  • The journey from central Bilbao to Bilbao Airport takes approximately 29 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 6 kilometres in 9 minutes or so, depending on traffic.

  • Want a stress-free start to your trip? Stay near BIO. Whether you're taking an early flight from Bilbao Airport to O'Hare International Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • O'Hare International Airport to central Chicago is around 35 minutes by car. It's approximately 40 kilometres away. Find out what options are available, such as car rentals, cabs or ride-sharing services.

  • Getting there by public transport takes roughly 54 minutes.

When to fly to O'Hare International Airport (ORD)

  • It's time to pick your travel dates for your flight from Bilbao Airport to O'Hare International Airport. August is the most popular month to visit Chicago. If you prefer a more peaceful vibe, go in February.

  • Lock in your flight from Bilbao Airport to O'Hare International Airport for July if you'd like to go to Chicago during its warmest month. You can expect temperatures of between 15ºC and 29ºC.

  • If you like cooler conditions, search for a cheap ticket from BIO to ORD in January. Temperatures average between -12ºC and 3ºC then.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • After you've secured your cheap ticket to O'Hare International Airport, browse our low prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your Chicago escape.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.