Which layover airport has the shortest travel time from Philadelphia to Bilbao?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 10h 15m.

What airlines fly to Bilbao?

United Airlines, Iberia and TAP AIR PORTUGAL are the top three most popular airlines that fly to Bilbao from Philadelphia according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 8 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Philadelphia to Bilbao?

Flights via Madrid (MAD) offer the lowest average round-trip price of $738.

Which layover airport has the shortest connection time from Philadelphia to Bilbao?

Madrid (MAD) has the shortest average layover time for this route: 3h 20m.

Which airport is the most popular layover for flights between Philadelphia and Bilbao?

Frankfurt am Main (FRA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Philadelphia Airport to Bilbao Airport?

Prices for flights from Philadelphia Airport to Bilbao Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Bilbao Airport?

As of October 2025, there are 3 operators available to choose from for flights from Philadelphia Airport to Bilbao Airport.

How old do you have to be to fly from Philadelphia Airport to Bilbao Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Bilbao Airport.

What documentation or ID do you need to fly to Bilbao Airport?

The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$484 Cheap Flights from Philadelphia to Bilbao in 2025/26

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5:40 pm - 4:40 pmPHL-BIO

17h 00m1 stop

6:45 am - 4:05 pmBIO-PHL

15h 20m1 stop

$493Lufthansa

Find Deal

Thu, Nov 13 - Thu, Nov 20

7:58 pm - 5:50 pmPHL-BIO

15h 52m2 stops

2:10 pm - 4:00 pmBIO-PHL

31h 50m1 stop

$494United Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

7:58 pm - 11:25 pmPHL-BIO

21h 27m2 stops

2:10 pm - 11:56 amBIO-PHL

51h 46m2 stops

$504United Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

9:20 am - 4:40 pmPHL-BIO

25h 20m2 stops

6:45 am - 4:05 pmBIO-PHL

15h 20m1 stop

$521Multiple Airlines

Find Deal

Thu, Nov 13 - Thu, Nov 20

5:45 pm - 4:30 pmPHL-BIO

17h 45m2 stops

11:55 am - 11:05 pmBIO-PHL

17h 10m2 stops

$542KLM

Find Deal

Fri, Oct 31 - Fri, Nov 7

4:35 pm - 6:05 pmPHL-BIO

19h 30m2 stops

6:45 am - 10:56 pmBIO-PHL

22h 11m3 stops

$566Air Canada

Find Deal

Thu, Nov 13 - Thu, Nov 20

7:50 pm - 8:20 amPHL-BIO

30h 30m2 stops

9:15 am - 3:35 pmBIO-PHL

12h 20m1 stop

$633Iberia

Find Deal

Sun, Jan 4 - Sun, Jan 18

7:50 pm - 8:20 amPHL-BIO

30h 30m2 stops

9:35 pm - 1:10 pmBIO-PHL

45h 35m2 stops

$685Iberia

Find Deal

Sun, Jan 4 - Sun, Jan 18

5:40 pm - 12:00 pmPHL-BIO

12h 20m1 stop

6:45 am - 4:05 pmBIO-PHL

15h 20m1 stop

$697Lufthansa

Find Deal

Sun, Jan 4 - Sun, Jan 18

3:30 pm - 6:05 pmPHL-BIO

20h 35m2 stops

11:35 am - 10:56 pmBIO-PHL

17h 21m3 stops

$836Air Canada

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Sun, Jan 4 - Sun, Jan 18

United Airlines flights from Philadelphia to Bilbao

Our best United Airlines deals on Philadelphia to Bilbao flight tickets

United Airlines

Oct 13

PHL7:58 pmPhiladelphia

15h 52m

2 stops

BIO5:50 pmBilbao

Oct 20

BIO2:10 pmBilbao

31h 50m

1 stop

PHL4:00 pmPhiladelphia

$494

Find similar

United Airlines

Oct 13

PHL7:58 pmPhiladelphia

21h 27m

2 stops

BIO11:25 pmBilbao

Oct 20

BIO2:10 pmBilbao

51h 46m

2 stops

PHL11:56 amPhiladelphia

$504

Find similar

United Airlines

Nov 13

PHL8:00 pmPhiladelphia

20h 05m

2 stops

BIO10:05 pmBilbao

Nov 20

BIO6:45 amBilbao

22h 11m

2 stops

PHL10:56 pmPhiladelphia

$530

Find similar

Iberia flights from Philadelphia to Bilbao

Our best Iberia deals on Philadelphia to Bilbao flight tickets

Iberia

Jan 4

PHL7:50 pmPhiladelphia

30h 30m

2 stops

BIO8:20 amBilbao

Jan 18

BIO9:15 amBilbao

12h 20m

1 stop

PHL3:35 pmPhiladelphia

$633

Find similar

Iberia

Jan 4

PHL7:50 pmPhiladelphia

30h 30m

2 stops

BIO8:20 amBilbao

Jan 18

BIO9:35 pmBilbao

45h 35m

2 stops

PHL1:10 pmPhiladelphia

$685

Find similar

Iberia

Oct 28

PHL9:00 pmPhiladelphia

21h 15m

1 stop

BIO11:15 pmBilbao

Nov 4

BIO7:00 amBilbao

14h 40m

2 stops

PHL3:40 pmPhiladelphia

$926

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Thu 11/13

5:40 pm-4:40 pm

1 stop17h 00m

Bilbao

Thu 11/20

6:45 am-4:05 pm

1 stop15h 20m

$493

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Mon 10/13

7:58 pm-5:50 pm

2 stops15h 52m

Bilbao

Mon 10/20

2:10 pm-4:00 pm

1 stop31h 50m

$494

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Mon 10/13

7:58 pm-11:25 pm

2 stops21h 27m

Bilbao

Mon 10/20

2:10 pm-11:56 am

2 stops51h 46m

$504

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Thu 11/13

9:20 am-4:40 pm

2 stops25h 20m

Bilbao

Thu 11/20

6:45 am-4:05 pm

1 stop15h 20m

$521

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Fri 10/31

5:45 pm-4:30 pm

2 stops17h 45m

Bilbao

Fri 11/7

11:55 am-11:05 pm

2 stops17h 10m

$542

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Thu 11/13

4:35 pm-6:05 pm

2 stops19h 30m

Bilbao

Thu 11/20

6:45 am-10:56 pm

3 stops22h 11m

$566

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 1/4

7:50 pm-8:20 am

2 stops30h 30m

Bilbao

Sun 1/18

9:15 am-3:35 pm

1 stop12h 20m

$633

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 1/4

7:50 pm-8:20 am

2 stops30h 30m

Bilbao

Sun 1/18

9:35 pm-1:10 pm

2 stops45h 35m

$685

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 1/4

5:40 pm-12:00 pm

1 stop12h 20m

Bilbao

Sun 1/18

6:45 am-4:05 pm

1 stop15h 20m

$697

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 1/4

3:30 pm-6:05 pm

2 stops20h 35m

Bilbao

Sun 1/18

11:35 am-10:56 pm

3 stops17h 21m

$836

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from Philadelphia to Bilbao is on a Wednesday. Travelers who choose to depart for Bilbao on a Wednesday will often find tickets for as low as $832. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,500. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from Philadelphia to Bilbao during this time can be as low as $763. In the morning is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,072 per ticket.

When to book flights from Philadelphia to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Bilbao according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Bilbao (PHL to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Bilbao

Direct flights	None

There are no direct flights from Philadelphia to Bilbao. There are no popular flight routes from Philadelphia to Bilbao.

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How far is Philadelphia to Bilbao by plane?
Philadelphia and Bilbao are 3615.8 mi apart from one another. By plane, this route typically takes 10h 50m.
When did momondo last update prices for flights from Philadelphia Airport to Bilbao Airport?
Prices for flights from Philadelphia Airport to Bilbao Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Bilbao Airport?
As of October 2025, there are 3 operators available to choose from for flights from Philadelphia Airport to Bilbao Airport.
How old do you have to be to fly from Philadelphia Airport to Bilbao Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Bilbao?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Bilbao is Iberia, representing 43% of all bookings. The subsequent popular airlines are Lufthansa at 35% and United Airlines at 22%.

Best airlines flying from Philadelphia to Bilbao

Compare and see reviews for airlines that fly from Philadelphia to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 2,967 reviews	Search Iberia flights
Lufthansa	PriceFrom $587	Free Cancellation	Rating 6.8 7,448 reviews	Search Lufthansa flights
United Airlines	PriceFrom $685	Free Cancellation	Rating 7.4 8,940 reviews	Search United Airlines flights

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Why should I use momondo to find a flight deal from Philadelphia to Bilbao?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Bilbao. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Bilbao with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bilbao from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to Bilbao?

momondo provides multiple filters to help you find the best flight to Bilbao from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Bilbao right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bilbao, momondo offers a useful price alert feature which will track prices for flights to Bilbao from Philadelphia and alert you when they change.

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Cheap flights from Philadelphia to Bilbao from $493

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bilbao departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Philadelphia to Bilbao

Our best United Airlines deals on Philadelphia to Bilbao flight tickets

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Our best Iberia deals on Philadelphia to Bilbao flight tickets

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How to get the cheapest flight ticket from Philadelphia to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bilbao?

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from Philadelphia to Bilbao during this time can be as low as $763. In the morning is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,072 per ticket.

What airlines fly to Bilbao?

Which airport is the most popular layover for flights between Philadelphia and Bilbao?

Frankfurt am Main (FRA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Bilbao?

Flights via Madrid (MAD) offer the lowest average round-trip price of $738.

Which layover airport has the shortest travel time from Philadelphia to Bilbao?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 10h 15m.

Which layover airport has the shortest connection time from Philadelphia to Bilbao?

Madrid (MAD) has the shortest average layover time for this route: 3h 20m.

When to book flights from Philadelphia to Bilbao

Cheap Philadelphia to Bilbao (PHL to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Bilbao

Direct flights

How far is Philadelphia to Bilbao by plane?

When did momondo last update prices for flights from Philadelphia Airport to Bilbao Airport?

How many operators does momondo search for flights from Philadelphia Airport to Bilbao Airport?

How old do you have to be to fly from Philadelphia Airport to Bilbao Airport?

What documentation or ID do you need to fly to Bilbao Airport?

What is the most popular airline from Philadelphia to Bilbao?

Best airlines flying from Philadelphia to Bilbao

Compare and see reviews for airlines that fly from Philadelphia to Bilbao with momondo

Traveling to a place near Bilbao?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Bilbao?

Can I find flights from Philadelphia to Bilbao with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Bilbao?

I’m not ready to book a flight from Philadelphia to Bilbao right now. Can momondo alert me if prices change?

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Airports servicing Basque Country