Cheap Flights from Bilbao to Chicago from $383

Frequently Asked Questions

• What are the cheapest flights from Bilbao to Chicago (BIO-CHI)?

  Based on Trip.com data, Iberia offers one-way fares as low as $383 on Cheapest nonstop routes (e.g. BIO to ORD on Thu, Nov 26), while American Airlines offers Cheapest nonstop round-trips from $387 departing on Thu, Nov 12 and returning on Mon, Nov 16.

• Which airlines offer flights from Bilbao to Chicago?

  At the moment, several airlines serve connecting flights from Bilbao to Chicago, including: TAP Air Portugal Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Bilbao to Chicago?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bilbao to Chicago is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Bilbao to Chicago?

  To find best deals on flights from Bilbao to Chicago, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Nov 26, with one-way flights priced at just $383.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Iberia.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Chicago travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Bilbao (BIO) to Chicago (CHI) the cheapest?

  The cheapest months to fly from Bilbao to Chicago is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Bilbao to Chicago on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Bilbao to Chicago on October 21, 2026 with British Airways, with prices starting at $386.

• Which airports can I fly into Chicago from Bilbao?

  You can arrive at any of the following airports in Chicago: O'Hare International Airport (ORD), Chicago Midway International Airport (MDW), and Chicago Rockford International Airport (RFD). Flights from Bilbao Airport to O'Hare International Airport (BIO-ORD) are by far the most popular option for this route.

• Is there any time difference between Bilbao and Chicago?

  The time difference between Chicago and Bilbao is 7h.

• How do I change or cancel my ticket from Bilbao to Chicago?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Bilbao to Chicago?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Bilbao to Chicago is $968. Fares vary by travel date, airline and availability.

• How do I book flights from Bilbao to Chicago on Trip.com?

  Enter Bilbao and Chicago, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.