ORD - BIO

$331 Find Cheap Flights from Chicago to Bilbao - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$693
Typical prices: $830-$1,194
Aer Lingus, Iberia
Fri 2/9Wed 2/14
ORD - BIO • 1 stop
Cheapest one-way
$331
Typical prices: $441-$623
SWISS
Wed 4/11
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 • 32% 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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Booking Insights
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

Tue, Feb 9 - Sun, Feb 14
Multiple Airlines Logo
9:00 pm - 4:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
12h 10m1 stop Dublin
Multiple Airlines Logo
5:35 pm - 2:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
28h 20m1 stop Madrid Barajas
$693Multiple Airlines
Wed, Feb 3 - Thu, Feb 11
Multiple Airlines Logo
9:50 pm - 5:45 pmORD  Chicago O'Hare Intl-BIO Bilbao
12h 55m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
9:15 am - 2:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
12h 40m1 stop Madrid Barajas
$699Multiple Airlines
Mon, Feb 8 - Sun, Feb 14
Multiple Airlines Logo
6:50 pm - 9:20 pmORD  Chicago O'Hare Intl-BIO Bilbao
19h 30m1 stop Zurich
Multiple Airlines Logo
5:35 pm - 2:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
28h 20m1 stop Madrid Barajas
$701Multiple Airlines
Wed, Feb 3 - Wed, Feb 10
Multiple Airlines Logo
9:50 pm - 5:45 pmORD  Chicago O'Hare Intl-BIO Bilbao
12h 55m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
9:15 am - 2:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
12h 40m1 stop Madrid Barajas
$704Multiple Airlines
Mon, Feb 8 - Thu, Feb 11
United Airlines Logo
6:00 pm - 11:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
22h 10m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 3:20 pmBIO  Bilbao-ORD Chicago O'Hare Intl
15h 35m1 stop Frankfurt am Main
$719United Airlines
Wed, Feb 3 - Tue, Feb 9
United Airlines Logo
9:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$719United Airlines
Wed, Feb 3 - Tue, Feb 9
United Airlines Logo
12:40 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
26h 15m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 3:20 pmBIO  Bilbao-ORD Chicago O'Hare Intl
15h 35m1 stop Frankfurt am Main
$723United Airlines
Thu, Feb 4 - Mon, Feb 8
Lufthansa Logo
9:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:30 pm - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
25h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main
$806Lufthansa
Fri, Feb 5 - Mon, Feb 8
Lufthansa Logo
9:50 pm - 11:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:30 pm - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
25h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main
$806Lufthansa
Mon, Apr 5 - Sun, Apr 11
Lufthansa Logo
9:40 pm - 11:25 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:40 am - 7:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
19h 15m2 stops Munich Franz Josef Strauss Frankfurt am Main
$821Lufthansa
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 8% cheaper than the average day, while Saturday is the most expensive, with prices 38% higher.

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Bilbao?

•March is the cheapest month to fly from Chicago O'Hare Intl Airport to Bilbao at $649 round-trip.
•June ($1,251) and July ($1,250) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 92% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

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

Low season

January

Cheapest flight

$331
Beat the crowds with an average 54% drop in travelers.
The most popular month to fly with an average 53% 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 $830 to $1,194, with an average of $955 over the past 12 months. Anything below $830 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 higher than usual. Average one-way flight prices are about $640, which is 16% above 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 averaging $32 for economy cars. Top options include:

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

  • 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) - 32% of one-stop connections
    • Frankfurt am Main (FRA) - 23% of one-stop connections
    • Amsterdam Schiphol (AMS) - 16% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 12% 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 7 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 $602 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Chicago to Bilbao

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