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.

$306 CHEAP FLIGHTS from Pennsylvania to San Sebastian

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Thu, Oct 22 - Sat, Nov 7

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

26h 30m1 stop Barcelona-El Prat

9:30 pm - 3:55 pmEAS San Sebastián-JFK New York John F Kennedy Intl

48h 25m2 stops Madrid Barajas Rome Fiumicino

$669Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

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

16h 45m1 stop Madrid Barajas

9:20 am - 6:50 pmEAS San Sebastián-JFK New York John F Kennedy Intl

14h 30m1 stop Madrid Barajas

$713Multiple Airlines

Sat, Oct 31 - Sat, Nov 28

12:45 am - 1:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

31h 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

$735Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

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

16h 45m1 stop Madrid Barajas

9:20 am - 5:50 pmEAS San Sebastián-JFK New York John F Kennedy Intl

14h 30m1 stop Madrid Barajas

$746Multiple Airlines

Sun, Oct 18 - Tue, Oct 27

12:30 am - 8:20 amJFK New York John F Kennedy Intl-EAS San Sebastián

25h 50m2 stops Rome Fiumicino Barcelona-El Prat

9:20 am - 4:25 pmEAS San Sebastián-JFK New York John F Kennedy Intl

12h 05m1 stop Madrid Barajas

$746Multiple Airlines

Sun, Oct 18 - Wed, Oct 28

12:30 am - 8:20 amJFK New York John F Kennedy Intl-EAS San Sebastián

25h 50m2 stops Rome Fiumicino Barcelona-El Prat

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

11h 35m1 stop Madrid Barajas

$746Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

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

16h 45m1 stop Madrid Barajas

9:20 am - 5:50 pmEAS San Sebastián-JFK New York John F Kennedy Intl

14h 30m1 stop Madrid Barajas

$747Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

9:00 pm - 8:50 pmJFK New York John F Kennedy Intl-EAS San Sebastián

17h 50m1 stop Madrid Barajas

9:30 pm - 3:55 pmEAS San Sebastián-JFK New York John F Kennedy Intl

24h 25m2 stops Madrid Barajas Rome Fiumicino

$750Multiple Airlines

Thu, Feb 11 - Tue, Feb 16

5:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 10m1 stop Madrid Barajas

9:20 am - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$882Iberia

Mon, Oct 19 - Mon, Oct 26

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

15h 05m1 stop Madrid Barajas

9:20 am - 8:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

15h 55m1 stop Madrid Barajas

$893Iberia

Recent last minute flight deals from Pennsylvania to San Sebastian

Wed, Sep 9 - Wed, Sep 16

3:30 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

15h 30m2 stops Boston Logan Intl Madrid Barajas

9:30 pm - 12:25 pmEAS San Sebastián-JFK New York John F Kennedy Intl

20h 55m1 stop Madrid Barajas

$1,104Iberia

Wed, Sep 9 - Wed, Sep 16

7:55 pm - 8:20 amEWR Newark-EAS San Sebastián

30h 25m3 stops Toronto Pearson Intl London Heathrow Barcelona-El Prat

5:55 pm - 9:00 pmEAS San Sebastián-EWR Newark

33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$1,283Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

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

14h 55m1 stop Madrid Barajas

9:30 pm - 4:05 pmEAS San Sebastián-EWR Newark

24h 35m2 stops Madrid Barajas Dublin

$1,292Iberia

Wed, Sep 9 - Wed, Sep 16

11:55 pm - 8:20 amJFK New York John F Kennedy Intl-EAS San Sebastián

26h 25m3 stops Dublin Edinburgh Turnhouse Barcelona-El Prat

5:55 pm - 8:05 pmEAS San Sebastián-JFK New York John F Kennedy Intl

32h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$1,302Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

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

$1,342Iberia

Wed, Sep 9 - Wed, Sep 16

4:55 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

14h 05m1 stop Madrid Barajas

9:30 pm - 12:25 pmEAS San Sebastián-JFK New York John F Kennedy Intl

20h 55m1 stop Madrid Barajas

$1,344Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

3:30 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

15h 30m2 stops Boston Logan Intl Madrid Barajas

5:55 pm - 11:10 amEAS San Sebastián-JFK New York John F Kennedy Intl

23h 15m2 stops Barcelona-El Prat London Heathrow

$1,380Iberia

Wed, Sep 9 - Wed, Sep 16

11:10 pm - 8:20 amEWR Newark-EAS San Sebastián

27h 10m2 stops Porto Barcelona-El Prat

5:55 pm - 9:00 pmEAS San Sebastián-EWR Newark

33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$1,418Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

7:55 pm - 8:20 amEWR Newark-EAS San Sebastián

30h 25m3 stops Toronto Pearson Intl London Heathrow Barcelona-El Prat

5:55 pm - 9:00 pmEAS San Sebastián-EWR Newark

33h 05m3 stops Barcelona-El Prat London Gatwick Lisbon Humberto Delgado

$1,526Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

7:55 pm - 8:20 amLGA New York LaGuardia-EAS San Sebastián

30h 25m3 stops Toronto Pearson Intl London Heathrow Barcelona-El Prat

8:55 am - 9:30 pmEAS San Sebastián-LGA New York LaGuardia

18h 35m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl

$1,578Multiple Airlines

Useful Info

Cheapest flight	$306

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.