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Cheap flights from Philadelphia to Bilbao from $485

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 1/7. 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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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.
Delta Logo
5:32 pm - 5:20 pmPHL-BIO
17h 48m2 stops
Delta Logo
6:50 am - 9:16 pmBIO-PHL
20h 26m2 stops
$485Delta
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Wed, Jan 7 - Fri, Jan 16
United Airlines Logo
7:50 am - 12:05 pmPHL-BIO
22h 15m2 stops
United Airlines Logo
6:45 am - 5:34 pmBIO-PHL
40h 49m2 stops
$498United Airlines
Find Deal
Wed, Jan 7 - Fri, Jan 16
Multiple Airlines Logo
3:30 pm - 5:50 pmPHL-BIO
20h 20m2 stops
Multiple Airlines Logo
9:45 am - 5:27 pmBIO-PHL
37h 42m2 stops
$544Multiple Airlines
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Tue, Apr 7 - Mon, Apr 13
Multiple Airlines Logo
3:30 pm - 5:50 pmPHL-BIO
20h 20m2 stops
Multiple Airlines Logo
2:10 pm - 4:00 pmBIO-PHL
31h 50m1 stop
$551Multiple Airlines
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Tue, Mar 31 - Mon, Apr 6
United Airlines Logo
7:45 pm - 10:50 amPHL-BIO
33h 05m2 stops
United Airlines Logo
11:35 am - 9:48 amBIO-PHL
52h 13m2 stops
$554United Airlines
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Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
7:45 pm - 4:10 pmPHL-BIO
38h 25m2 stops
United Airlines Logo
11:35 am - 9:48 amBIO-PHL
52h 13m2 stops
$555United Airlines
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Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
5:35 pm - 5:10 pmPHL-BIO
17h 35m1 stop
United Airlines Logo
2:10 pm - 4:00 pmBIO-PHL
31h 50m1 stop
$563United Airlines
Find Deal
Tue, Apr 7 - Mon, Apr 13
United Airlines Logo
5:35 pm - 5:10 pmPHL-BIO
17h 35m1 stop
United Airlines Logo
2:10 pm - 4:00 pmBIO-PHL
31h 50m1 stop
$564United Airlines
Find Deal
Tue, Mar 31 - Mon, Apr 6
Lufthansa Logo
5:35 pm - 5:10 pmPHL-BIO
17h 35m1 stop
Lufthansa Logo
6:35 pm - 4:00 pmBIO-PHL
27h 25m2 stops
$566Lufthansa
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Tue, Apr 7 - Mon, Apr 13
United Airlines Logo
1:10 pm - 11:20 pmPHL-BIO
28h 10m2 stops
United Airlines Logo
6:45 am - 4:05 pmBIO-PHL
15h 20m1 stop
$575United Airlines
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Fri, Jan 9 - Sun, Jan 18

Delta flights from Philadelphia to Bilbao

Our best Delta deals on Philadelphia to Bilbao flight tickets
Delta
Jan 7
PHL5:32 pmPhiladelphia
17h 48m
2 stops
BIO5:20 pmBilbao
Jan 16
BIO6:50 amBilbao
20h 26m
2 stops
PHL9:16 pmPhiladelphia
$485
Find similar
Delta
Mar 27
PHL11:30 amPhiladelphia
18h 50m
2 stops
BIO11:20 amBilbao
Mar 31
BIO6:50 amBilbao
20h 27m
2 stops
PHL9:17 pmPhiladelphia
$756
Find similar
Delta
Mar 27
PHL11:30 amPhiladelphia
24h 00m
2 stops
BIO4:30 pmBilbao
Mar 31
BIO6:50 amBilbao
20h 27m
2 stops
PHL9:17 pmPhiladelphia
$876
Find similar

Iberia flights from Philadelphia to Bilbao

Our best Iberia deals on Philadelphia to Bilbao flight tickets
Iberia
Jan 4
PHL9:15 pmPhiladelphia
41h 35m
2 stops
BIO8:50 pmBilbao
Jan 11
BIO9:35 pmBilbao
48h 00m
2 stops
PHL3:35 pmPhiladelphia
$787
Find similar
Iberia
Jan 4
PHL9:15 pmPhiladelphia
41h 35m
2 stops
BIO8:50 pmBilbao
Jan 11
BIO9:35 pmBilbao
24h 05m
1 stop
PHL3:40 pmPhiladelphia
$884
Find similar
Iberia
Jan 2
PHL7:50 pmPhiladelphia
30h 40m
1 stop
BIO8:30 amBilbao
Jan 9
BIO6:45 amBilbao
14h 55m
1 stop
PHL3:40 pmPhiladelphia
$1,045
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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 November 19, 2025.
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

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 1/7

5:32 pm-5:20 pm

2 stops17h 48m

Bilbao

Fri 1/16

6:50 am-9:16 pm

2 stops20h 26m

$485

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Wed 1/7

7:50 am-12:05 pm

2 stops22h 15m

Bilbao

Fri 1/16

6:45 am-5:34 pm

2 stops40h 49m

$498

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 4/7

3:30 pm-5:50 pm

2 stops20h 20m

Bilbao

Mon 4/13

9:45 am-5:27 pm

2 stops37h 42m

$544

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 3/31

3:30 pm-5:50 pm

2 stops20h 20m

Bilbao

Mon 4/6

2:10 pm-4:00 pm

1 stop31h 50m

$551

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sat 2/7

7:45 pm-10:50 am

2 stops33h 05m

Bilbao

Sat 2/14

11:35 am-9:48 am

2 stops52h 13m

$554

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Sat 2/7

7:45 pm-4:10 pm

2 stops38h 25m

Bilbao

Sat 2/14

11:35 am-9:48 am

2 stops52h 13m

$555

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 4/7

5:35 pm-5:10 pm

1 stop17h 35m

Bilbao

Mon 4/13

2:10 pm-4:00 pm

1 stop31h 50m

$563

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 3/31

5:35 pm-5:10 pm

1 stop17h 35m

Bilbao

Mon 4/6

2:10 pm-4:00 pm

1 stop31h 50m

$564

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Tue 4/7

5:35 pm-5:10 pm

1 stop17h 35m

Bilbao

Mon 4/13

6:35 pm-4:00 pm

2 stops27h 25m

$566

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Fri 1/9

1:10 pm-11:20 pm

2 stops28h 10m

Bilbao

Sun 1/18

6:45 am-4:05 pm

1 stop15h 20m

$575

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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?

  • 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
IberiaPriceFrom $580Free CancellationRating
7.0
3,027 reviews
Search Iberia flights
LufthansaPriceFrom $587Free CancellationRating
6.8
7,579 reviews
Search Lufthansa flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
9,025 reviews
Search United Airlines 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.

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