$399 Find Cheap Flights from Bilbao to Chicago - Compare and Save

In the last 5 days, the lowest price for a flight from Bilbao to Chicago O'Hare Intl Airport was $399 for a one-way ticket and $562 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Bilbao and on arrival in Chicago.

When flying out of Bilbao you will be using Bilbao. You will be landing at Chicago, also known as Chicago O'Hare Intl.

We unfortunately don’t have that data for this specific route.

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 Chicago.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Bilbao is likely to change within 7 days, so travelers know whether to wait or book now.

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 to Chicago with an airline and back to Bilbao with another airline. Booking your flights between Bilbao and ORD can sometimes prove cheaper using this method.

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 to Chicago from Bilbao up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.