Flights from Chicago to Bilbao from $949

Compare All CHI to BIO Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
PD PD · 2394	15:20 CHI 04:30 BIO	0 stop(s)	61h 10m	$949 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

BIO

Bilbao Airport

City: Bilbao
Country: ES
Type: Large Airport
Elevation: 138 ft

BIO Airport Guide →

Tips for Chicago to Bilbao Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book CHI–BIO flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $949, but prices as low as $949 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on CHI–BIO is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Bilbao

Book accommodation at your destination — top-rated stays near BIO airport

Apartamentos Olivia by gaiarooms

BMA by Forever Rentals

Casa Rural Martiamuno Landetxea

Frequently Asked Questions

Everything you need to know about flying CHI to BIO

What is the cheapest flight from Chicago to Bilbao?

The cheapest flight from Chicago (CHI) to Bilbao (BIO) currently starts at $949 with PD. Prices are updated regularly and may vary by date and availability.

How many airlines fly from CHI to BIO?

We found 1 airline(s) operating on the CHI–BIO route, including PD.

Are there direct flights from Chicago to Bilbao?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from Chicago to Bilbao is approximately $949. Prices range from $949 to $949 depending on airline, time, and class.

How long is the flight from CHI to BIO?

The average flight duration from Chicago to Bilbao is approximately 61 hours 10 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on CHI–BIO flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.