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

Prices for flights from Philadelphia Airport to San Sebastián Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to San Sebastián Airport.

What documentation or ID do you need to fly to San Sebastián Airport?

The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$314 Cheap Flights from Philadelphia to San Sebastian in 2026

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Find the cheapest flights from Philadelphia to San Sebastian

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 1:00 pm

PHL

EAS

11h 15m

1 stop

9:30 pm - 4:55 pm

EAS

PHL

24h 25m

1 stop

$579Multiple Airlines

dom., mar. 1 - dom., mar. 8

10:35 am - 8:40 am

PHL

EAS

16h 05m

2 stops

9:30 pm - 4:55 pm

EAS

PHL

24h 25m

1 stop

$586Multiple Airlines

dom., mar. 1 - dom., mar. 8

7:40 pm - 8:50 pm

PHL

EAS

19h 10m

2 stops

9:30 pm - 8:06 pm

EAS

PHL

27h 36m

2 stops

$621Multiple Airlines

dom., mar. 1 - dom., mar. 8

7:00 pm - 7:50 pm

PHL

EAS

19h 50m

2 stops

9:20 am - 10:45 pm

EAS

PHL

19h 25m

2 stops

$1,432American Airlines

sáb., mar. 28 - mié., abr. 1

10:24 am - 7:40 am

PHL

EAS

16h 16m

2 stops

9:30 pm - 5:35 pm

EAS

PHL

26h 05m

1 stop

$1,433Multiple Airlines

sáb., mar. 28 - mié., abr. 1

8:25 pm - 7:40 am

PHL

EAS

30h 15m

1 stop

9:30 pm - 5:35 pm

EAS

PHL

26h 05m

1 stop

$1,544Multiple Airlines

sáb., mar. 28 - mié., abr. 1

American Airlines flights from Philadelphia to San Sebastian

Our best American Airlines deals on Philadelphia to San Sebastian flight tickets

American Airlines

Jan 20

PHL11:00 amPhiladelphia

20h 00m

2 stops

EAS1:00 pmSan Sebastián

Jan 27

EAS9:20 amSan Sebastián

16h 07m

2 stops

PHL7:27 pmPhiladelphia

$533

American Airlines

Mar 28

PHL7:00 pmPhiladelphia

19h 50m

2 stops

EAS7:50 pmSan Sebastián

Apr 1

EAS9:20 amSan Sebastián

19h 25m

2 stops

PHL10:45 pmPhiladelphia

$1,432

Iberia flights from Philadelphia to San Sebastian

Our best Iberia deals on Philadelphia to San Sebastian flight tickets

Iberia

Jan 20

PHL7:55 pmPhiladelphia

30h 45m

1 stop

EAS8:40 amSan Sebastián

Jan 27

EAS1:40 pmSan Sebastián

32h 00m

1 stop

PHL3:40 pmPhiladelphia

$538

Iberia

Jan 23

PHL7:55 pmPhiladelphia

18h 55m

1 stop

EAS8:50 pmSan Sebastián

Jan 27

EAS9:20 amSan Sebastián

12h 20m

1 stop

PHL3:40 pmPhiladelphia

$1,570

Iberia

Jan 23

PHL7:55 pmPhiladelphia

18h 55m

1 stop

EAS8:50 pmSan Sebastián

Jan 27

EAS9:20 amSan Sebastián

12h 20m

1 stop

PHL3:40 pmPhiladelphia

$1,755

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

dom. 3/1

7:45 pm-1:00 pm

1 stop11h 15m

San Sebastián

dom. 3/8

9:30 pm-4:55 pm

1 stop24h 25m

$579

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

dom. 3/1

10:35 am-8:40 am

2 stops16h 05m

San Sebastián

dom. 3/8

9:30 pm-4:55 pm

1 stop24h 25m

$586

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

dom. 3/1

7:40 pm-8:50 pm

2 stops19h 10m

San Sebastián

dom. 3/8

9:30 pm-8:06 pm

2 stops27h 36m

$621

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

sáb. 3/28

7:00 pm-7:50 pm

2 stops19h 50m

San Sebastián

mié. 4/1

9:20 am-10:45 pm

2 stops19h 25m

$1,432

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

sáb. 3/28

10:24 am-7:40 am

2 stops16h 16m

San Sebastián

mié. 4/1

9:30 pm-5:35 pm

1 stop26h 05m

$1,433

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

sáb. 3/28

8:25 pm-7:40 am

1 stop30h 15m

San Sebastián

mié. 4/1

9:30 pm-5:35 pm

1 stop26h 05m

$1,544

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

dom. 4/19

8:25 pm-8:20 am

2 stops29h 55m

$314

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mar. 2/17

9:39 am-8:40 am

2 stops41h 01m

$320

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

dom. 4/19

8:25 pm-8:20 am

3 stops29h 55m

$333

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mar. 2/17

9:39 am-1:00 pm

2 stops21h 21m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to San Sebastian

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 airline that flies from Philadelphia to San Sebastián?

Iberia is the most popular carrier operating from Philadelphia to San Sebastián

What airlines fly to San Sebastian?

United Airlines, Iberia and TAP AIR PORTUGAL are the top three most popular airlines that fly to San Sebastian 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 San Sebastian. Keep in mind that there are 7 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

When to book flights from Philadelphia to San Sebastian

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

Estimated round-trip price

Cheap Philadelphia to San Sebastian (PHL to EAS) flight deals and tips

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

Fastest flight time	16h 16m
Direct flights	None

The fastest flight from Philadelphia to San Sebastian takes 16h 16m

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

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How far is Philadelphia to San Sebastián by plane?
There are 3658.8 mi between Philadelphia and San Sebastián. 16h 16m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to San Sebastián Airport?
Prices for flights from Philadelphia Airport to San Sebastián Airport were last updated today.
How old do you have to be to fly from Philadelphia Airport to San Sebastián Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to San Sebastián Airport.
What documentation or ID do you need to fly to San Sebastián Airport?
The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Irun

Hondarribia

Why use momondo?

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

Finding the right flight to San Sebastian from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Sebastian quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Philadelphia to San Sebastian flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to San Sebastian?

momondo helps you find the best flight between Philadelphia and San Sebastian by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Philadelphia to San Sebastian now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Sebastian and let you know when they change.