PHL - BIO

$363 Find Cheap Flights from Philadelphia 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
$700
Typical prices: $777-$1,088
Lufthansa
Fri 4/27Fri 5/4
PHL - BIO • 1 stop
Cheapest one-way
$363
Typical prices: $451-$686
Multiple Airlines
Wed 1/10
PHL - BIO • 3 stops
When to travel
March
Cheapest • 29% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $798 (round-trip)
Barcelona-El Prat (BCN)
Shortest trip • 12h 19m (one-way)
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Flight Deals

Cheap Flights from Philadelphia to Bilbao (PHL-BIO)

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

Recent round-trip flight deals from Philadelphia to Bilbao

Tue, Apr 27 - Tue, May 4
Lufthansa Logo
5:35 pm - 1:25 pmPHL  Philadelphia-BIO Bilbao
13h 50m1 stop Frankfurt am Main
Lufthansa Logo
6:50 am - 4:00 pmBIO  Bilbao-PHL Philadelphia
15h 10m1 stop Frankfurt am Main
$700Lufthansa
Wed, Feb 17 - Fri, Feb 26
Multiple Airlines Logo
5:05 pm - 9:55 pmPHL  Philadelphia-BIO Bilbao
22h 50m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
7:30 am - 10:46 pmBIO  Bilbao-PHL Philadelphia
21h 16m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$703Multiple Airlines
Tue, Apr 27 - Tue, May 4
Air Canada Logo
3:20 pm - 5:55 pmPHL  Philadelphia-BIO Bilbao
20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Air Canada Logo
6:50 am - 2:36 pmBIO  Bilbao-PHL Philadelphia
37h 46m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$713Air Canada
Tue, Apr 27 - Tue, May 4
Multiple Airlines Logo
3:20 pm - 5:55 pmPHL  Philadelphia-BIO Bilbao
20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:50 am - 4:00 pmBIO  Bilbao-PHL Philadelphia
15h 10m1 stop Frankfurt am Main
$717Multiple Airlines
Wed, Feb 17 - Fri, Feb 26
Iberia Logo
6:35 pm - 4:50 pmPHL  Philadelphia-BIO Bilbao
16h 15m2 stops London Heathrow Barcelona-El Prat
Iberia Logo
9:15 am - 3:50 pmBIO  Bilbao-PHL Philadelphia
12h 35m1 stop Madrid Barajas
$721Iberia
Wed, Dec 30 - Mon, Jan 18
Iberia Logo
6:35 pm - 9:10 pmPHL  Philadelphia-BIO Bilbao
20h 35m2 stops London Heathrow Barcelona-El Prat
Iberia Logo
9:35 pm - 3:30 pmBIO  Bilbao-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$725Iberia
Wed, Dec 30 - Mon, Jan 18
Iberia Logo
7:40 pm - 11:15 pmPHL  Philadelphia-BIO Bilbao
21h 35m1 stop Madrid Barajas
Iberia Logo
9:35 pm - 3:30 pmBIO  Bilbao-PHL Philadelphia
23h 55m1 stop Madrid Barajas
$731Iberia
Sun, Dec 20 - Mon, Jan 4
Lufthansa Logo
5:40 pm - 9:55 pmPHL  Philadelphia-BIO Bilbao
22h 15m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
7:30 am - 4:05 pmBIO  Bilbao-PHL Philadelphia
38h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main
$1,755Lufthansa
Tue, Dec 22 - Sat, Jan 2
Lufthansa Logo
5:40 pm - 10:50 pmPHL  Philadelphia-BIO Bilbao
23h 10m1 stop Frankfurt am Main
Lufthansa Logo
7:30 am - 4:05 pmBIO  Bilbao-PHL Philadelphia
38h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main
$1,986Lufthansa
Sun, Dec 20 - Fri, Jan 1
Lufthansa Logo
5:40 pm - 9:55 pmPHL  Philadelphia-BIO Bilbao
22h 15m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
6:30 pm - 4:05 pmBIO  Bilbao-PHL Philadelphia
51h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main
$2,000Lufthansa
Booking Insights

Price, demand and travel trends for Philadelphia 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 Philadelphia to Bilbao?

Round-trip flights from Philadelphia to Bilbao typically range from $777 to $1,088. The lowest price found in the past 5 days was $700, on Lufthansa.

What's the cheapest day of the week to fly from Philadelphia to Bilbao?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Philadelphia to Bilbao. It’s 30% cheaper than the average day, while Saturday is the most expensive, with prices 33% higher.

What’s the cheapest month to fly from Philadelphia to Bilbao?

•March is the cheapest month to fly from Philadelphia to Bilbao at $645 round-trip.
•December ($2,365) and February ($2,016) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 266% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Philadelphia to Bilbao flights

Low season

January

Cheapest flight

$363
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 91% increase in travelers.
One-way flight from Philadelphia to Bilbao

When to book flights from Philadelphia to Bilbao

Are your dates flexible? Find out the best times to travel from Philadelphia 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 Philadelphia 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 Philadelphia to Bilbao?

    Two cabin classes are available on flights from Philadelphia to Bilbao:

    • Economy Class
    • Premium Economy Class

  • How long is a flight from Philadelphia to Bilbao?

    There are currently no nonstop flights available from Philadelphia to Bilbao. Flights with 1 layover take between 12h 19m and 14h 39m in total, depending on the connection.

  • Do I need a passport to fly from Philadelphia 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 Philadelphia to Bilbao flight?

    Round-trip flights from Philadelphia to Bilbao range from $777 to $1,088, with an average of $907 over the past 12 months. Anything below $777 counts as a good deal.

  • How are flight prices from Philadelphia to Bilbao looking right now?

    One-way fares from Philadelphia to Bilbao are currently lower than usual. Average one-way flight prices are about $578, which is 14% 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 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 Philadelphia to Bilbao?

    Flights from Philadelphia to Bilbao usually depart from Philadelphia (PHL) and arrive at Bilbao (BIO).

  • Which airports do connecting flights from Philadelphia to Bilbao pass through?

    One-stop flights from Philadelphia to Bilbao most commonly connect through:

    • Madrid Barajas (MAD) - 53% of one-stop connections
    • Frankfurt am Main (FRA) - 45% of one-stop connections
    • Barcelona-El Prat (BCN) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Philadelphia to Bilbao?

    Yes. Flexible dates can save you up to 48% on flights from Philadelphia to Bilbao. Tuesday is the cheapest departure day at $636 round-trip on average, while Saturday is the most expensive at $1,214, a difference of $578.

    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 Philadelphia to Bilbao?

    Flying via Barcelona-El Prat (BCN) gives the shortest average 1-stop total travel time at 12h 19m, compared with 13h 47m via Madrid Barajas (MAD) and 14h 39m via Frankfurt am Main (FRA).

  • What is the time difference between Philadelphia and Bilbao?

    Bilbao is 6 hours ahead of Philadelphia (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Philadelphia 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 $636, about $578 less than Saturday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Bilbao trip for March. Fares historically average $645 round-trip in that month - typically $1,720 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Philadelphia to Bilbao

Complete your trip to Bilbao with a hotel stay or car rental

Car rentals in Bilbao
Hotels in Bilbao
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