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Cheap flights from Philadelphia to Bilbao from $393

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bilbao departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
6:13 pm - 3:55 pm
PHL
-
BIO
15h 42m
2 stops
KLM Logo
8:20 am - 8:07 pm
BIO
-
PHL
17h 47m
2 stops
$666KLM
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
10:30 am - 5:55 pm
PHL
-
BIO
25h 25m
2 stops
Multiple Airlines Logo
6:50 am - 4:05 pm
BIO
-
PHL
15h 15m
1 stop
$697Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Lufthansa Logo
5:40 pm - 5:15 pm
PHL
-
BIO
17h 35m
1 stop
Lufthansa Logo
6:50 am - 4:05 pm
BIO
-
PHL
15h 15m
1 stop
$699Lufthansa
Wed, Oct 14 - Wed, Oct 21
KLM Logo
1:15 pm - 11:55 am
PHL
-
BIO
16h 40m
2 stops
KLM Logo
6:45 am - 5:34 pm
BIO
-
PHL
16h 49m
2 stops
$716KLM
Wed, Aug 19 - Tue, Aug 25
Lufthansa Logo
10:30 am - 5:55 pm
PHL
-
BIO
25h 25m
2 stops
Lufthansa Logo
6:50 am - 4:05 pm
BIO
-
PHL
15h 15m
1 stop
$728Lufthansa
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
1:35 pm - 5:55 pm
PHL
-
BIO
22h 20m
2 stops
United Airlines Logo
6:50 am - 4:05 pm
BIO
-
PHL
15h 15m
1 stop
$729United Airlines
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
6:56 pm - 5:55 pm
PHL
-
BIO
16h 59m
2 stops
United Airlines Logo
6:50 am - 2:49 pm
BIO
-
PHL
37h 59m
2 stops
$732United Airlines
Wed, Aug 19 - Tue, Aug 25
Delta Logo
6:00 am - 9:50 am
PHL
-
BIO
21h 50m
2 stops
Delta Logo
6:45 am - 4:49 pm
BIO
-
PHL
16h 04m
2 stops
$736Delta
Wed, Aug 5 - Wed, Aug 19
Delta Logo
5:29 pm - 4:30 pm
PHL
-
BIO
17h 01m
2 stops
Delta Logo
6:45 am - 7:25 pm
BIO
-
PHL
18h 40m
2 stops
$741Delta
Wed, Aug 5 - Wed, Aug 19
United Airlines Logo
9:30 am - 10:45 am
PHL
-
BIO
19h 15m
2 stops
United Airlines Logo
6:45 am - 4:05 pm
BIO
-
PHL
15h 20m
1 stop
$745United Airlines
Thu, Sep 17 - Fri, Sep 25

Iberia flights from Philadelphia to Bilbao

Our best Iberia deals on Philadelphia to Bilbao flight tickets
Iberia
Aug 5
PHL8:20 pmPhiladelphia
20h 55m
1 stop
BIO11:15 pmBilbao
Aug 19
BIO9:35 pmBilbao
26h 05m
1 stop
PHL5:40 pmPhiladelphia
$752
Iberia
Sep 18
PHL4:15 pmPhiladelphia
10h 15m
1 stop
BIO8:30 amBilbao
Sep 26
BIO9:35 pmBilbao
26h 05m
1 stop
PHL5:40 pmPhiladelphia
$812
Iberia
Jul 13
PHL8:15 pmPhiladelphia
21h 00m
1 stop
BIO11:15 pmBilbao
Jul 20
BIO9:35 pmBilbao
26h 05m
1 stop
PHL5:40 pmPhiladelphia
$847

American Airlines flights from Philadelphia to Bilbao

Our best American Airlines deals on Philadelphia to Bilbao flight tickets
American Airlines
Jul 13
PHL12:07 pmPhiladelphia
14h 23m
2 stops
BIO8:30 amBilbao
Jul 20
BIO5:35 pmBilbao
30h 05m
1 stop
PHL5:40 pmPhiladelphia
$845
American Airlines
Jul 13
PHL8:15 pmPhiladelphia
30h 15m
1 stop
BIO8:30 amBilbao
Jul 20
BIO5:35 pmBilbao
30h 05m
1 stop
PHL5:40 pmPhiladelphia
$855

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 1, 2026.
Use the filters below to find and compare flights from Philadelphia to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 10/14

6:13 pm-3:55 pm

2 stops15h 42m

Bilbao

Wed 10/21

8:20 am-8:07 pm

2 stops17h 47m

$666

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 10/14

10:30 am-5:55 pm

2 stops25h 25m

Bilbao

Wed 10/21

6:50 am-4:05 pm

1 stop15h 15m

$697
Quickest round-trip

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 10/14

5:40 pm-5:15 pm

1 stop17h 35m

Bilbao

Wed 10/21

6:50 am-4:05 pm

1 stop15h 15m

$699

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/19

1:15 pm-11:55 am

2 stops16h 40m

Bilbao

Tue 8/25

6:45 am-5:34 pm

2 stops16h 49m

$716

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/19

10:30 am-5:55 pm

2 stops25h 25m

Bilbao

Tue 8/25

6:50 am-4:05 pm

1 stop15h 15m

$728

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/19

1:35 pm-5:55 pm

2 stops22h 20m

Bilbao

Tue 8/25

6:50 am-4:05 pm

1 stop15h 15m

$729

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/19

6:56 pm-5:55 pm

2 stops16h 59m

Bilbao

Tue 8/25

6:50 am-2:49 pm

2 stops37h 59m

$732

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/5

6:00 am-9:50 am

2 stops21h 50m

Bilbao

Wed 8/19

6:45 am-4:49 pm

2 stops16h 04m

$736

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 8/5

5:29 pm-4:30 pm

2 stops17h 01m

Bilbao

Wed 8/19

6:45 am-7:25 pm

2 stops18h 40m

$741

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Thu 9/17

9:30 am-10:45 am

2 stops19h 15m

Bilbao

Fri 9/25

6:45 am-4:05 pm

1 stop15h 20m

$745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bilbao from

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 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 February is your next best option. Flight prices from Philadelphia to Bilbao during February average around $590.

Can stopping save me money on Philadelphia to Bilbao flights?

You could potentially save up to 63% 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

15h 42m

Direct flights

None
The fastest flight from Philadelphia to Bilbao takes 15h 42m
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 15h 42m.

  • 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?

  • 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?

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
LufthansaPriceFrom $566Free CancellationRating
6.8
8,031 reviews
Search Lufthansa flights
IberiaPriceFrom $664Free CancellationRating
7.0
3,221 reviews
Search Iberia flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

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.

An easier way to manage your Bilbao trip

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