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.

$271 CHEAP FLIGHTS from Pennsylvania to San Sebastian

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Flight Deals

Cheap Flights from Pennsylvania to San Sebastian

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

Sat, Nov 7 - Sat, Nov 21

11:45 pm - 5:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

11h 50m1 stop Barcelona-El Prat

2:10 pm - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

13h 50m1 stop Barcelona-El Prat

$659LEVEL

Tue, Dec 1 - Thu, Dec 10

9:00 pm - 1:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

34h 35m2 stops Madrid Barajas Barcelona-El Prat

6:10 pm - 7:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

31h 05m2 stops Barcelona-El Prat Madrid Barajas

$667Multiple Airlines

Sat, Oct 24 - Sat, Nov 7

11:50 pm - 5:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

12h 45m1 stop Barcelona-El Prat

2:10 pm - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

13h 50m1 stop Barcelona-El Prat

$673LEVEL

Sat, Oct 24 - Sat, Nov 7

11:50 pm - 12:40 pmJFK New York John F Kennedy Intl-EAS San Sebastián

31h 50m2 stops Barcelona-El Prat Madrid Barajas

2:10 pm - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

13h 50m1 stop Barcelona-El Prat

$695Multiple Airlines

Fri, Oct 23 - Sat, Nov 7

12:30 am - 12:15 pmJFK New York John F Kennedy Intl-EAS San Sebastián

29h 45m2 stops Rome Fiumicino Malaga

2:10 pm - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

13h 50m1 stop Barcelona-El Prat

$721Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

11:45 pm - 8:50 pmJFK New York John F Kennedy Intl-EAS San Sebastián

15h 05m1 stop Madrid Barajas

1:40 pm - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

14h 20m1 stop Madrid Barajas

$760Iberia

Tue, Oct 20 - Wed, Oct 28

8:40 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

10h 20m1 stop Madrid Barajas

1:40 pm - 8:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

11h 35m1 stop Madrid Barajas

$764Iberia

Sun, Feb 14 - Mon, Feb 22

5:05 pm - 1:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

38h 30m2 stops Madrid Barajas Barcelona-El Prat

2:10 pm - 3:35 pmEAS San Sebastián-JFK New York John F Kennedy Intl

31h 25m2 stops Barcelona-El Prat Madrid Barajas

$774Multiple Airlines

Wed, Oct 14 - Mon, Oct 19

6:30 am - 5:25 pmLGA New York LaGuardia-EAS San Sebastián

28h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

6:05 pm - 9:30 pmEAS San Sebastián-LGA New York LaGuardia

33h 25m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$778Multiple Airlines

Tue, Feb 2 - Tue, Mar 2

9:00 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

10h 00m1 stop Madrid Barajas

2:10 pm - 5:00 amEAS San Sebastián-JFK New York John F Kennedy Intl

44h 50m2 stops Barcelona-El Prat Bogotá El Dorado

$778Multiple Airlines

Recent last minute flight deals from Pennsylvania to San Sebastian

Thu, Sep 24 - Sat, Oct 10

11:50 pm - 8:20 amJFK New York John F Kennedy Intl-EAS San Sebastián

26h 30m1 stop Barcelona-El Prat

8:55 am - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

19h 05m1 stop Barcelona-El Prat

$627LEVEL

Sun, Sep 27 - Sat, Oct 10

11:50 pm - 8:20 amJFK New York John F Kennedy Intl-EAS San Sebastián

26h 30m1 stop Barcelona-El Prat

8:55 am - 10:00 pmEAS San Sebastián-JFK New York John F Kennedy Intl

19h 05m1 stop Barcelona-El Prat

$651LEVEL

Sun, Sep 27 - Sat, Oct 10

3:45 pm - 5:20 pmEWR Newark-EAS San Sebastián

19h 35m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

5:55 pm - 3:45 pmEAS San Sebastián-EWR Newark

27h 50m2 stops Barcelona-El Prat Frankfurt am Main

$986Multiple Airlines

Sun, Sep 27 - Sat, Oct 10

10:05 pm - 8:50 pmJFK New York John F Kennedy Intl-EAS San Sebastián

40h 45m2 stops Boston Logan Intl Madrid Barajas

1:40 pm - 6:55 pmEAS San Sebastián-JFK New York John F Kennedy Intl

11h 15m1 stop Madrid Barajas

$1,028Iberia

Thu, Sep 24 - Sat, Oct 10

4:55 pm - 8:40 amJFK New York John F Kennedy Intl-EAS San Sebastián

9h 45m1 stop Madrid Barajas

8:55 am - 8:20 pmEAS San Sebastián-JFK New York John F Kennedy Intl

17h 25m2 stops Barcelona-El Prat London Heathrow

$1,155Iberia

Sun, Sep 27 - Sat, Oct 10

3:30 pm - 8:50 pmJFK New York John F Kennedy Intl-EAS San Sebastián

23h 20m2 stops Boston Logan Intl Madrid Barajas

9:30 pm - 7:20 pmEAS San Sebastián-JFK New York John F Kennedy Intl

27h 50m2 stops Madrid Barajas Dublin

$1,183Iberia

Sun, Sep 27 - Sat, Oct 10

4:45 pm - 5:20 pmLGA New York LaGuardia-EAS San Sebastián

18h 35m2 stops Toronto Pearson Intl Barcelona-El Prat

5:55 pm - 2:36 pmEAS San Sebastián-LGA New York LaGuardia

26h 41m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$1,196Multiple Airlines

Sun, Sep 27 - Sat, Oct 10

5:35 pm - 8:20 amEWR Newark-EAS San Sebastián

32h 45m2 stops Dublin Barcelona-El Prat

1:40 pm - 10:25 pmEAS San Sebastián-EWR Newark

14h 45m1 stop Madrid Barajas

$1,241Multiple Airlines

Sun, Sep 27 - Sat, Oct 10

11:55 pm - 8:50 pmEWR Newark-EAS San Sebastián

14h 55m1 stop Madrid Barajas

9:30 pm - 10:25 pmEAS San Sebastián-EWR Newark

30h 55m1 stop Madrid Barajas

$1,247Iberia

Sun, Sep 27 - Sat, Oct 10

8:30 pm - 5:20 pmJFK New York John F Kennedy Intl-EAS San Sebastián

14h 50m2 stops Reykjavik Keflavik Intl Barcelona-El Prat

8:55 am - 8:05 pmEAS San Sebastián-JFK New York John F Kennedy Intl

17h 10m3 stops Barcelona-El Prat Malaga Lisbon Humberto Delgado

$1,398Multiple Airlines

Useful Info

Cheapest flight	$271

Flight from New York John F Kennedy Airport 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.