What is the cheapest airline that flies from Philadelphia to Bilbao?

British Airways and Lufthansa are the most popular carriers operating from Philadelphia to Bilbao

What airlines fly to Bilbao?

United Airlines, Iberia and Air Europa 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 38% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 6 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

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 July 2026, there are 2 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.

$715 Cheap Flights from Philadelphia to Bilbao in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Bilbao?

Prices are currently low for flights on this route. Typical prices usually range from $773 to $902. The lowest price recently found on this route was $715.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Bilbao

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 11:55 am

PHL

BIO

16h 15m

2 stops

6:45 am - 4:32 pm

BIO

PHL

15h 47m

2 stops

$715KLM

Tue, Sep 8 - Tue, Sep 22

8:20 pm - 8:50 pm

PHL

BIO

18h 30m

1 stop

6:45 am - 5:45 pm

BIO

PHL

17h 00m

1 stop

$730Multiple Airlines

Tue, Sep 8 - Tue, Sep 22

10:05 am - 9:25 am

PHL

BIO

17h 20m

2 stops

6:50 am - 9:54 am

BIO

PHL

33h 04m

2 stops

$733Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

6:00 am - 9:50 am

PHL

BIO

21h 50m

2 stops

6:45 am - 7:15 pm

BIO

PHL

18h 30m

2 stops

$735Delta

Wed, Aug 5 - Wed, Aug 19

12:25 pm - 11:15 am

PHL

BIO

16h 50m

2 stops

8:30 am - 9:40 pm

BIO

PHL

19h 10m

2 stops

$739KLM

Fri, Oct 23 - Fri, Nov 6

8:20 pm - 11:15 pm

PHL

BIO

20h 55m

1 stop

6:45 am - 5:45 pm

BIO

PHL

17h 00m

1 stop

$740Finnair

Tue, Sep 8 - Tue, Sep 22

8:20 pm - 8:50 pm

PHL

BIO

18h 30m

1 stop

9:35 pm - 5:45 pm

BIO

PHL

26h 10m

1 stop

$741Iberia

Tue, Sep 8 - Tue, Sep 22

5:40 pm - 1:20 pm

PHL

BIO

13h 40m

1 stop

6:30 pm - 4:05 pm

BIO

PHL

51h 35m

2 stops

$744Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

5:40 pm - 5:00 pm

PHL

BIO

17h 20m

1 stop

6:50 am - 4:05 pm

BIO

PHL

15h 15m

1 stop

$745Lufthansa

Sun, Oct 4 - Sun, Oct 11

12:04 pm - 8:30 am

PHL

BIO

14h 26m

2 stops

9:35 pm - 5:40 pm

BIO

PHL

26h 05m

1 stop

$746British Airways

Wed, Aug 5 - Wed, Aug 19

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United Airlines flights from Philadelphia to Bilbao

Our best United Airlines deals on Philadelphia to Bilbao flight tickets

United Airlines

Oct 3

PHL5:08 pmPhiladelphia

48h 17m

2 stops

BIO11:25 pmBilbao

Oct 11

BIO6:50 amBilbao

15h 15m

1 stop

PHL4:05 pmPhiladelphia

$752

United Airlines

Oct 3

PHL7:30 pmPhiladelphia

38h 30m

2 stops

BIO4:00 pmBilbao

Oct 10

BIO2:00 pmBilbao

39h 30m

2 stops

PHL11:30 pmPhiladelphia

$777

United Airlines

Aug 4

PHL6:10 amPhiladelphia

22h 35m

2 stops

BIO10:45 amBilbao

Aug 12

BIO6:50 amBilbao

15h 15m

1 stop

PHL4:05 pmPhiladelphia

$792

Delta flights from Philadelphia to Bilbao

Our best Delta deals on Philadelphia to Bilbao flight tickets

Delta

Aug 5

PHL6:00 amPhiladelphia

21h 50m

2 stops

BIO9:50 amBilbao

Aug 19

BIO6:45 amBilbao

18h 30m

2 stops

PHL7:15 pmPhiladelphia

$735

Delta

Oct 23

PHL6:00 amPhiladelphia

23h 15m

2 stops

BIO11:15 amBilbao

Nov 5

BIO11:55 amBilbao

36h 23m

2 stops

PHL6:18 pmPhiladelphia

$760

Delta

Jul 29

PHL1:10 pmPhiladelphia

20h 45m

2 stops

BIO3:55 pmBilbao

Aug 12

BIO8:20 amBilbao

19h 56m

2 stops

PHL10:16 pmPhiladelphia

$980

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 9/8

1:40 pm-11:55 am

2 stops16h 15m

Bilbao

Tue 9/22

6:45 am-4:32 pm

2 stops15h 47m

$715

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 9/8

8:20 pm-8:50 pm

1 stop18h 30m

Bilbao

Tue 9/22

6:45 am-5:45 pm

1 stop17h 00m

$730

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 10/4

10:05 am-9:25 am

2 stops17h 20m

Bilbao

Sun 10/11

6:50 am-9:54 am

2 stops33h 04m

$733

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/5

6:00 am-9:50 am

2 stops21h 50m

Bilbao

Wed 8/19

6:45 am-7:15 pm

2 stops18h 30m

$735

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Fri 10/23

12:25 pm-11:15 am

2 stops16h 50m

Bilbao

Fri 11/6

8:30 am-9:40 pm

2 stops19h 10m

$739

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 9/8

8:20 pm-11:15 pm

1 stop20h 55m

Bilbao

Tue 9/22

6:45 am-5:45 pm

1 stop17h 00m

$740

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 9/8

8:20 pm-8:50 pm

1 stop18h 30m

Bilbao

Tue 9/22

9:35 pm-5:45 pm

1 stop26h 10m

$741

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 10/4

5:40 pm-1:20 pm

1 stop13h 40m

Bilbao

Sun 10/11

6:30 pm-4:05 pm

2 stops51h 35m

$744

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sun 10/4

5:40 pm-5:00 pm

1 stop17h 20m

Bilbao

Sun 10/11

6:50 am-4:05 pm

1 stop15h 15m

$745

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/5

12:04 pm-8:30 am

2 stops14h 26m

Bilbao

Wed 8/19

9:35 pm-5:40 pm

1 stop26h 05m

$746

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

What is the typical price of a round-trip flight between Philadelphia and Bilbao?

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Philadelphia is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in December, then June is your next best option. Flight prices from Philadelphia to Bilbao during June average around $0.

Can stopping save me money on Philadelphia to Bilbao flights?

You could potentially save up to 47% on your flight if you consider stops on a Philadelphia to Bilbao flight.

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

Fastest flight time	16h 15m
Direct flights	None

The fastest flight from Philadelphia to Bilbao takes 16h 15m

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

Search flight deals

Frequently asked questions about flying from Philadelphia to Bilbao

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 16h 15m.
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 July 2026, there are 2 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 70% of all bookings. The subsequent popular airline is Lufthansa at 30%.

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
Lufthansa	PriceFrom $566	Free Cancellation	Rating 6.8 8,139 reviews		Search Lufthansa flights
Iberia	PriceFrom $664	Free Cancellation	Rating 7.0 3,254 reviews		Search Iberia flights

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Why use momondo?

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 $715

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 9/8. 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

Delta flights from Philadelphia to Bilbao

Our best Delta deals on Philadelphia to Bilbao flight tickets

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How to get the cheapest flight ticket from Philadelphia to Bilbao

What is the typical price of a round-trip flight between Philadelphia and Bilbao?

What is the cheapest month to fly to Bilbao?

Can stopping save me money on Philadelphia to Bilbao flights?

What is the cheapest airline that flies from Philadelphia to Bilbao?

What airlines fly to Bilbao?

When to book flights from Philadelphia to Bilbao

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to Bilbao

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List of cabin classes available on flights landing in Bilbao. Availability may vary depending on flight origin and airline.

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