Cheap Flights from Chicago to Bilbao

Compare Chicago to Bilbao flight deals

Find the cheapest month or even day of the year to fly to Bilbao

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Flight deals from Chicago to Bilbao

Looking for a cheap last-minute deal or the best return flight from Chicago to Bilbao Airport? If you want to travel next month, return fares start from Rs199,009. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Bilbao flights are currently cheapest in July.

Chicago to Bilbao: Alternative routes

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

Chicago to Bilbao: Flight information

The things to know before you go.
Cheapest flight foundRs75,850
Cheapest month to flyJuly

Finding cheap flights from Chicago to Bilbao: Frequently asked questions

The best price we found for a return flight from Chicago to Bilbao is Rs166,747. 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 Chicago to Bilbao. But we found flights with one stop from Rs166,747.
As of June 2026, there are no flights flying from Chicago to Bilbao.
The cheapest month to fly from Chicago to Bilbao is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Bilbao Airport on Saturday, 3 October 2026.
No airlines currently offer direct flights between Chicago and Bilbao 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 Bilbao 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 Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Bilbao is TAP Air Portugal .

Travelling from Chicago to Bilbao Airport (BIO): What you need to know

  • Bilbao is seven hours ahead of Chicago. Bilbao Airport is located in Bilbao, which is in the UTC+1 timezone.

  • Your flight from Chicago to BIO won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Getting on a plane during a peak month like July? Popular periods (like Thanksgiving, Christmas and New Year) can easily add another hour at security. Be extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • Think about adding a stopover to find cheap flights from Chicago to BIO. Simply uncheck 'Direct flights only' when browsing departures from Chicago O'Hare International Airport (ORD). Break up the journey at one of these popular airports:

    • Frankfurt Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

    • Dublin Airport (DUB)

  • The journey from central Chicago to ORD takes about 45 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 27 kilometres in 30 minutes or so, depending on traffic.

  • Want a relaxed start to your holiday? Stay near Chicago O'Hare International Airport. Whether you're boarding an early flight from Chicago to Bilbao Airport or just don't want to be rushed, these hotels have you covered:

  • When it comes to Chicago O'Hare International Airport's on-time performance, 70% of flights arrive within the expected time frame.

  • The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can reach MDW from central Chicago in approximately 25 minutes by car (depending on traffic). The journey by public transport takes roughly 30 minutes to cover the 16 kilometres or so.

  • Want to enjoy an extra night away before your Chicago to BIO flight? Relax in a hotel near Chicago Midway International Airport before your break officially begins. These stays are calling your name:

  • 76% of flights taking off from Chicago Midway International Airport stick to their scheduled arrival time.

  • You'll find MDW at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • From the centre of Chicago, RFD is around 145 kilometres away. It'll take you roughly 1 hour 40 minutes to reach the airport by car and 2 hours or so if you're on public transport.

  • Make catching an early Chicago to Bilbao Airport flight the easiest part of your journey. Stay at one of these accommodation options close to Chicago Rockford International Airport and get to the check-in counter with plenty of time to spare:

  • Airports have an on-time performance rating that monitors how often flights get to their destinations when they should. At RFD, that figure is 71%.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Bilbao Airport (BIO)

  • Consider booking a hotel close to BIO if you have a late flight from Chicago to Bilbao Airport. Select one of these accommodation options and get some sleep sooner:

  • Lock in the best possible rate by booking your vehicle around four weeks before your Chicago to Bilbao Airport flight.

Getting from Bilbao Airport (BIO) to central Bilbao

  • From Bilbao Airport, central Bilbao is around 11 kilometres away. It takes about 15 minutes to get to the city centre by car.

  • It'll take around 30 minutes to get there using public transport.

How to find the cheapest flights from Chicago to Bilbao Airport (BIO)

  • Right now, Rs75,850 is the best price we've found for a one-way ticket from Chicago to Bilbao Airport. The cheapest price for a return flight is Rs166,747. Keep in mind fares may change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to walk away with cheap flights from Chicago to BIO if you book ahead. Airlines often offer some fantastic early bird deals.

  • Cheap Chicago to Bilbao Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' tool to compare fares across the month and then fly out on the cheapest day.

  • Locking in a cheap plane ticket from Chicago to BIO is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Tailor your travel plans using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Chicago to Bilbao Airport.

The best time to fly from Chicago to Bilbao Airport (BIO)

  • Think about the kind of experience you want when picking your flight dates. January is the quietest month to go to Bilbao. May is when most people book flights from Chicago to Bilbao Airport (BIO), which may be ideal if you'd rather travel when it's busy.

  • When booking your Chicago to BIO plane ticket, consider the type of weather you enjoy. August is the warmest month in Bilbao, with temperatures ranging from 16ºC to 26ºC.

  • Look for cheap tickets from Chicago to Bilbao Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 13ºC.

More about Bilbao

  • Once you've booked your flight from Chicago to Bilbao Airport, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Bilbao:

  • Every great adventure has to include some sightseeing. Guggenheim, Bilbao Fine Arts Museum and Bilboko Donejakue katedrala are essential stops on your Bilbao itinerary.

Explore more of Spain

  • Zaragoza is just one of the many cities in Spain waiting to be explored after you've experienced Bilbao. Around 241 kilometres away to the southeast, its best attractions include Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.

  • If there's time to check out another side of Spain, head for Arévalo, about 290 kilometres southwest of Bilbao. Iglesia San Martin, Plaza de la Constitución and Monasterio de Santa María la Real - Trapa Arévalo are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.