C$456 Cheap Flights from Chicago (CHIA) to Bilbao (BIO)

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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 C$1,013. 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 August.

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 foundC$456
Cheapest month to flyAugust

Finding cheap flights from Chicago to Bilbao: Frequently asked questions

The best price we found for a return flight from Chicago to Bilbao is C$802. 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 C$802.
As of April 2026, there are no flights flying from Chicago to Bilbao.
The cheapest month to fly from Chicago to Bilbao is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Bilbao Airport on Tuesday, November 3, 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 Turkish Airlines .

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

  • Get your vacation planning started by considering where you'll board your flight from Chicago to Bilbao Airport (BIO). O'Hare International Airport (ORD) and Chicago Midway International Airport (MDW) are Chicago's main airports.

  • Bilbao is 6 hours ahead of Chicago. Bilbao Airport is located in Bilbao, which operates on the UTC+1 timezone.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from Chicago to BIO.

  • Flying during a peak month like August? Popular periods (like spring break, summer and Thanksgiving) can add another hour at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Chicago

O'Hare International Airport (ORD)

  • Consider adding a stopover to potentially save on your flight from Chicago to BIO. Simply uncheck 'Direct flights only' when browsing departures from O'Hare International Airport (ORD). Take a pause at one of these popular airports:

    • Frankfurt Airport (FRA)

    • Dublin Airport (DUB)

    • Charles de Gaulle Airport (CDG)

  • The distance from central Chicago to ORD is roughly 40 kilometres. Use travel apps like Google Maps for the quickest way to get there, whether in your own car or with public transport.

  • Need a convenient hotel near O'Hare International Airport? If you're boarding an early flight from Chicago to Bilbao Airport, these accommodation options will have you sleeping moments from your check-in counter:

Chicago Midway International Airport (MDW)

  • Make the most of your vacation with a stopover on your flight from Chicago to Bilbao Airport. Visit friends or family or tick a new city off your bucket list. Whatever you'd like to do, check out these stops between Chicago Midway International Airport and BIO:

    • Charles de Gaulle Airport (CDG)

    • Barcelona-El Prat Airport (BCN)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • With public transport, you can travel from central Chicago to MDW in around 46 minutes. The airport is roughly 19 kilometres away, and getting there by car takes approximately 21 minutes.

  • Want to spoil yourself with an extra night away before catching your flight from Chicago to BIO? Kick back in a hotel near Chicago Midway International Airport before your adventure officially starts. Check out these accommodation options:

About Bilbao Airport (BIO)

Getting from Bilbao Airport (BIO) to central Bilbao

  • From Bilbao Airport, Bilbao is approximately 6 kilometres away. It takes around 9 minutes to reach the centre driving.

  • If you're travelling on public transport, expect a journey time of around 29 minutes.

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

  • C$456 is the lowest price we've seen for a one-way ticket from Chicago to Bilbao Airport. Return flights start from C$802. Prices are subject to change based on availability and may vary at the time of booking.

  • We suggest booking as early as possible to get flight tickets from Chicago to BIO. You're more likely to snag a great deal and enjoy more options for departure times and dates.

  • Getting flight tickets from Chicago to Bilbao Airport is easy if you're flexible with your dates. Use the 'Whole month' tool to see the lowest prices across each month and bag a great deal.

  • Set up a Price Alert for flight tickets from Chicago to BIO. There's no need to check every day to see if fares have dropped. We'll notify you when there's a change in price.

  • Personalize your trip with filters. Choose the total duration, number of stops, and arrival and departure times to find the ideal flight from Chicago to Bilbao Airport. You can also sort the results to see the 'Best,' 'Cheapest' or 'Fastest' options first.

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

  • July is the most popular month to board a flight from Chicago to Bilbao Airport while February is the quietest. To work out the ideal time to visit Bilbao, consider whether you like a lively atmosphere or a quieter vibe.

  • Before locking in your flight from Chicago to BIO, think about the type of weather you enjoy. August is the warmest month in Bilbao, with temperatures ranging from 16ºC to 25ºC.

  • Travel in January for cooler conditions. Average temperatures range between 5ºC and 13ºC. However, this destination promises a good time whenever you book your cheap flights from Chicago to Bilbao Airport.

More about Bilbao

  • Start your Bilbao trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Chicago to Bilbao Airport, check out our range of hotels including:

  • There are so many things to discover in this city it can be difficult to know where to begin. Etxebarria Parkea, Puente de La Salve and Bilbao Fine Arts Museum are highlights which should feature on any well-planned Bilbao itinerary.

Complete your Bilbao trip with a car rental

  • Select one of our car rentals in Bilbao and explore the city on your own terms. Easily compare rates from trusted providers in one go after booking your hotel and cheap flights from Chicago to Bilbao Airport.

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