How does KAYAK find such low prices on flights from Pennsylvania to San Sebastian?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to San Sebastian. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to San Sebastian?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Pennsylvania to San Sebastian?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Pennsylvania with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to San Sebastian?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$322 CHEAP FLIGHTS from Pennsylvania to San Sebastian

EAS

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$468

Multiple Airlines

Thu 4/16Wed 4/22

JFK - EAS • 1 stop

Cheapest one-way

$322

Multiple Airlines

Mon 2/2

PHL - EAS • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Sebastian!

Flight Deals

Cheap Flights from Pennsylvania to San Sebastian

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Pennsylvania to San Sebastian that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to San Sebastian

Thu, Apr 16 - Wed, Apr 22

11:25 pm - 8:20 am

JFK

EAS

26h 55m

1 stop

8:55 am - 9:40 pm

EAS

JFK

18h 45m

1 stop

$468Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

7:45 pm - 1:00 pm

PHL

EAS

11h 15m

1 stop

9:20 am - 3:25 pm

EAS

PHL

12h 05m

1 stop

$519American Airlines

Wed, Feb 25 - Wed, Mar 4

1:46 pm - 1:00 pm

PHL

EAS

17h 14m

2 stops

9:20 am - 3:25 pm

EAS

PHL

12h 05m

1 stop

$523American Airlines

Tue, Feb 10 - Tue, Feb 17

6:00 pm - 1:00 pm

IAD

EAS

13h 00m

1 stop

9:20 am - 8:30 pm

EAS

IAD

17h 10m

2 stops

$529American Airlines

Wed, Feb 25 - Wed, Mar 4

1:54 pm - 8:40 am

DCA

EAS

12h 46m

2 stops

9:20 am - 6:33 pm

EAS

DCA

15h 13m

2 stops

$533Iberia

Wed, Feb 25 - Wed, Mar 4

5:05 pm - 1:00 pm

IAD

EAS

13h 55m

2 stops

9:30 pm - 4:30 pm

EAS

IAD

25h 00m

1 stop

$533Iberia

Wed, Feb 25 - Wed, Mar 4

1:46 pm - 8:40 am

PHL

EAS

12h 54m

2 stops

9:20 am - 8:35 pm

EAS

PHL

17h 15m

2 stops

$533American Airlines

Wed, Feb 25 - Tue, Mar 3

5:00 pm - 8:40 am

JFK

EAS

9h 40m

1 stop

9:20 am - 3:25 pm

EAS

JFK

12h 05m

1 stop

$571Multiple Airlines

Sun, Feb 22 - Tue, Mar 10

8:50 pm - 8:50 pm

JFK

EAS

18h 00m

1 stop

9:30 pm - 1:15 pm

EAS

JFK

20h 45m

1 stop

$572Iberia

Sun, Feb 22 - Tue, Mar 10

10:15 am - 8:40 am

LGA

EAS

16h 25m

2 stops

9:20 am - 11:25 pm

EAS

LGA

19h 05m

2 stops

$577American Airlines

Useful Info

Cheapest flight	$322

Flight from Philadelphia to San Sebastian

How does KAYAK find such low prices on flights from Pennsylvania to San Sebastian?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to San Sebastian.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to San Sebastian?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to San Sebastian?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to San Sebastian?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hondarribia

Irun

Everything you need to know for your flight to San Sebastian

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in San Sebastian

San Sebastian (EAS)

EAS

$322 Find Cheap Flights from Pennsylvania to San Sebastian

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

Everything you should know

Cheap Flights from Pennsylvania to San Sebastian

Recent round-trip flight deals from Pennsylvania to San Sebastian

Recent one-way flight deals from Pennsylvania to San Sebastian

Recent last minute flight deals from Pennsylvania to San Sebastian

Good to know

FAQs for booking flights from Pennsylvania to San Sebastian

How does KAYAK find such low prices on flights from Pennsylvania to San Sebastian?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to San Sebastian.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to San Sebastian?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to San Sebastian?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to San Sebastian?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Sebastian?

Everything you need to know for your flight to San Sebastian

Information on the airport you'll fly into in San Sebastian

Cabin class types available on flights to Pennsylvania

Complete your trip to San Sebastian with a hotel stay or car rental

Find direct flights for San Sebastian

Flights to other popular destinations

Flights from domestic origins to San Sebastian

Choose which airport to fly into in San Sebastian