ORD - BIO

$327 Find Cheap Flights from Chicago to Bilbao - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$679
Typical prices: $836-$1,212
Multiple Airlines
Thu 11/29Wed 12/5
ORD - BIO • 2 stops
Cheapest one-way
$327
Typical prices: $459-$643
SWISS
Fri 1/26
ORD - BIO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Chicago O'Hare Intl Airport and Bilbao. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 33% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Lisbon Humberto Delgado (LIS)
Cheapest • Avg $622 (round-trip)
Newark (EWR)
Shortest trip • 12h 38m (one-way)
Insights
Insights
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We hope you love your trip to Bilbao!
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Flight Deals

Cheap Flights from Chicago to Bilbao (ORD-BIO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Bilbao

Sun, Nov 29 - Sat, Dec 5
Multiple Airlines Logo
8:10 pm - 10:15 amORD  Chicago O'Hare Intl-BIO Bilbao
31h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
12:25 pm - 3:30 pmBIO  Bilbao-ORD Chicago O'Hare Intl
34h 05m1 stop Lisbon Humberto Delgado
$679Multiple Airlines
Fri, Nov 27 - Thu, Dec 3
Multiple Airlines Logo
8:10 pm - 8:20 amORD  Chicago O'Hare Intl-BIO Bilbao
29h 10m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
12:10 pm - 3:30 pmBIO  Bilbao-ORD Chicago O'Hare Intl
34h 20m1 stop Lisbon Humberto Delgado
$687Multiple Airlines
Fri, Nov 27 - Sat, Dec 5
Multiple Airlines Logo
8:10 pm - 8:20 amORD  Chicago O'Hare Intl-BIO Bilbao
29h 10m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
12:25 pm - 3:30 pmBIO  Bilbao-ORD Chicago O'Hare Intl
34h 05m1 stop Lisbon Humberto Delgado
$687Multiple Airlines
Tue, Mar 23 - Thu, Apr 29
Multiple Airlines Logo
10:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
8:45 pm - 12:35 pmBIO  Bilbao-ORD Chicago O'Hare Intl
22h 50m1 stop Zurich
$688Multiple Airlines
Tue, Mar 23 - Thu, Apr 29
Lufthansa Logo
10:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:15 am - 7:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
19h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main
$713Lufthansa
Tue, Mar 23 - Thu, Apr 29
United Airlines Logo
1:30 pm - 12:50 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 20m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National
United Airlines Logo
6:50 am - 6:33 pmBIO  Bilbao-ORD Chicago O'Hare Intl
18h 43m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$724United Airlines
Wed, Nov 18 - Wed, Nov 25
Lufthansa Logo
10:35 pm - 10:50 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 15m1 stop Frankfurt am Main
Lufthansa Logo
7:30 am - 6:25 pmBIO  Bilbao-ORD Chicago O'Hare Intl
17h 55m1 stop Munich Franz Josef Strauss
$756Lufthansa
Tue, Apr 6 - Fri, Apr 16
United Airlines Logo
4:00 pm - 5:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 55m2 stops Washington, D.C. Reagan-National Munich Franz Josef Strauss
United Airlines Logo
6:50 am - 7:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
20h 05m1 stop Frankfurt am Main
$764United Airlines
Tue, Apr 6 - Thu, Apr 15
United Airlines Logo
3:00 pm - 5:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
19h 55m2 stops Washington, D.C. Reagan-National Munich Franz Josef Strauss
United Airlines Logo
6:50 am - 2:50 pmBIO  Bilbao-ORD Chicago O'Hare Intl
15h 00m1 stop Frankfurt am Main
$764United Airlines
Wed, Nov 18 - Wed, Nov 25
Lufthansa Logo
10:35 pm - 10:50 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 15m1 stop Frankfurt am Main
Lufthansa Logo
7:30 am - 8:05 pmBIO  Bilbao-ORD Chicago O'Hare Intl
19h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main
$776Lufthansa
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Bilbao flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Bilbao?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Bilbao. It’s 9% cheaper than the average day, while Saturday is the most expensive, with prices 35% higher.

Find deals

Key details for Chicago O'Hare Intl Airport to Bilbao flights

Low season

December

Cheapest flight

$327
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 40% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Bilbao

When to book flights from Chicago to Bilbao

Are your dates flexible? Find out the best times to travel from Chicago to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Bilbao flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Bilbao?

    Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Bilbao:

    • Economy Class
    • Business Class

  • How long is a flight from Chicago O'Hare Intl Airport to Bilbao?

    A nonstop flight from Chicago O'Hare Intl Airport to Bilbao takes 00m, covering 4,116 miles.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Bilbao?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Chicago O'Hare Intl Airport to Bilbao flight?

    Round-trip flights from Chicago O'Hare Intl Airport to Bilbao range from $836 to $1,212, with an average of $971 over the past 12 months. Anything below $836 counts as a good deal.

  • How are flight prices from Chicago O'Hare Intl Airport to Bilbao looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Bilbao are currently lower than usual. Average one-way flight prices are about $363, which is 35% below the typical average for this route.

  • What car rental options are available at Bilbao Airport (BIO)?

    Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • Record go
    • Goldcar Rental SP
    • CLICK RENT
    • Rentbycar
    • Centauro

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Bilbao?

    Flights from Chicago O'Hare Intl Airport to Bilbao usually depart from Chicago O'Hare Intl (ORD) and arrive at Bilbao (BIO).

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Bilbao pass through?

    One-stop flights from Chicago O'Hare Intl Airport to Bilbao most commonly connect through:

    • Madrid Barajas (MAD) - 30% of one-stop connections
    • Frankfurt am Main (FRA) - 23% of one-stop connections
    • Amsterdam Schiphol (AMS) - 20% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Bilbao?

    Yes. Flexible dates can save you up to 33% on flights from Chicago O'Hare Intl Airport to Bilbao. Tuesday is the cheapest departure day at $885 round-trip on average, while Saturday is the most expensive at $1,318, a difference of $433.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Chicago O'Hare Intl Airport to Bilbao?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 12h 38m, compared with 12h 57m via Paris Charles de Gaulle (CDG) and 12h 59m via Madrid Barajas (MAD).

  • What is the time difference between Chicago O'Hare Intl Airport and Bilbao?

    Bilbao is 6 hours ahead of Chicago O'Hare Intl Airport (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Chicago O'Hare Intl Airport to Bilbao flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $885, about $433 less than Saturday fares (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Bilbao trip for March. Fares historically average $649 round-trip in that month - typically $826 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Chicago to Bilbao

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