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ORD - BIO

$328 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
$657
Typical prices: $803-$1,179
TAP AIR PORTUGAL
Thu 10/25Sat 11/10
ORD - BIO • 1 stop
Cheapest one-way
$328
Typical prices: $459-$644
Multiple Airlines
Thu 10/18
ORD - BIO • 3 stops
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 $591 (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

Sun, Oct 25 - Tue, Nov 10
TAP AIR PORTUGAL Logo
9:10 pm - 5:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
38h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:40 pm - 3:30 pmBIO  Bilbao-ORD Chicago O'Hare Intl
27h 50m1 stop Lisbon Humberto Delgado
$657TAP AIR PORTUGAL
Mon, Dec 28 - Sun, Jan 10
Iberia Logo
8:40 pm - 11:15 pmORD  Chicago O'Hare Intl-BIO Bilbao
19h 35m2 stops London Heathrow Madrid Barajas
Iberia Logo
9:35 pm - 4:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
26h 20m2 stops Madrid Barajas New York John F Kennedy Intl
$692Iberia
Thu, Oct 29 - Sat, Nov 7
Turkish Airlines Logo
9:15 pm - 10:55 amORD  Chicago O'Hare Intl-BIO Bilbao
31h 40m1 stop Istanbul
Turkish Airlines Logo
11:55 am - 6:20 pmBIO  Bilbao-ORD Chicago O'Hare Intl
37h 25m1 stop Istanbul
$700Turkish Airlines
Wed, Dec 30 - Mon, Jan 11
Iberia Logo
9:50 pm - 10:50 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 00m2 stops London Heathrow Barcelona-El Prat
Iberia Logo
9:35 pm - 2:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
24h 20m1 stop Madrid Barajas
$706Iberia
Wed, Dec 30 - Mon, Jan 11
United Airlines Logo
4:20 pm - 11:40 amORD  Chicago O'Hare Intl-BIO Bilbao
12h 20m1 stop Frankfurt am Main
United Airlines Logo
11:45 am - 2:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
33h 25m1 stop Munich Franz Josef Strauss
$728United Airlines
Wed, Dec 30 - Mon, Jan 11
United Airlines Logo
4:20 pm - 11:40 amORD  Chicago O'Hare Intl-BIO Bilbao
12h 20m1 stop Frankfurt am Main
United Airlines Logo
11:45 am - 8:40 pmBIO  Bilbao-ORD Chicago O'Hare Intl
39h 55m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$736United Airlines
Mon, Oct 26 - Fri, Nov 6
United Airlines Logo
11:56 am - 11:00 amORD  Chicago O'Hare Intl-BIO Bilbao
17h 04m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 8:05 pmBIO  Bilbao-ORD Chicago O'Hare Intl
20h 20m1 stop Frankfurt am Main
$777United Airlines
Fri, Nov 6 - Sun, Nov 15
Lufthansa Logo
9:50 pm - 11:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$807Lufthansa
Fri, Nov 6 - Sun, Nov 15
Lufthansa Logo
9:50 pm - 11:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$810Lufthansa
Fri, Oct 9 - Tue, Oct 20
Lufthansa Logo
10:30 pm - 10:50 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:50 am - 7:55 pmBIO  Bilbao-ORD Chicago O'Hare Intl
20h 05m1 stop Frankfurt am Main
$923Lufthansa
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.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Bilbao?

Round-trip flights from Chicago O'Hare Intl Airport to Bilbao typically range from $803 to $1,179. The lowest price found in the past 5 days was $657, on TAP AIR PORTUGAL.

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, Thursday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Bilbao. It’s 24% cheaper than the average day, while Saturday is the most expensive, with prices 25% 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 $635 round-trip.
•July ($1,291) and June ($1,197) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 103% 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

$328
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 23% 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?

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

    • Economy Class
    • Premium 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 $803 to $1,179, with an average of $946 over the past 12 months. Anything below $803 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 $658, which is 18% 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 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:

    • Frankfurt am Main (FRA) - 34% of one-stop connections
    • Madrid Barajas (MAD) - 23% of one-stop connections
    • Amsterdam Schiphol (AMS) - 16% 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 39% on flights from Chicago O'Hare Intl Airport to Bilbao. Thursday is the cheapest departure day at $725 round-trip on average, while Saturday is the most expensive at $1,183, a difference of $458.

    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 13h 04m 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 Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $725, about $458 less than Saturday fares (39% 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 $635 round-trip in that month - typically $656 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Chicago to Bilbao

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