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

Wed, Jan 20 - Tue, Jan 26

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

17h 50m1 stop Madrid Barajas

9:20 am - 7:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

15h 55m1 stop Madrid Barajas

$544Multiple Airlines

Sat, Jan 16 - Tue, Jan 26

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

$628Multiple Airlines

Sat, Jan 16 - Thu, Jan 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

$642Multiple Airlines

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

$648LEVEL

Sun, Feb 21 - Sat, Feb 27

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

34h 35m2 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

$650Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

10:00 pm - 1:00 pmJFK New York John F Kennedy Intl-EAS San Sebastián

10h 00m1 stop Madrid Barajas

9:20 am - 7:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

15h 55m1 stop Madrid Barajas

$657Iberia

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

Wed, Nov 11 - Sun, Nov 15

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

10h 00m1 stop Madrid Barajas

1:40 pm - 7:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

11h 35m1 stop Madrid Barajas

$664Iberia

Tue, Oct 27 - Tue, Nov 3

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

16h 30m2 stops Boston Logan Intl Madrid Barajas

9:20 am - 7:15 pmEAS San Sebastián-JFK New York John F Kennedy Intl

15h 55m1 stop Madrid Barajas

$674Iberia

Wed, Oct 14 - Wed, Oct 21

3:45 pm - 5:25 pmEWR Newark-EAS San Sebastián

19h 40m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

8:55 am - 7:00 pmEAS San Sebastián-EWR Newark

16h 05m2 stops Barcelona-El Prat Toronto Pearson Intl

$697Multiple Airlines

Recent last minute flight deals from Pennsylvania to San Sebastian

Tue, Sep 22 - Fri, Oct 2

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

9h 45m1 stop Madrid Barajas

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

11h 15m1 stop Madrid Barajas

$896Iberia

Tue, Sep 22 - Thu, Oct 1

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

9h 45m1 stop Madrid Barajas

9:30 pm - 2:55 pmEAS San Sebastián-JFK New York John F Kennedy Intl

23h 25m1 stop Madrid Barajas

$907Iberia

Tue, Sep 22 - Fri, Oct 2

3:30 pm - 5:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

20h 05m2 stops Boston Logan Intl Madrid Barajas

9:20 am - 2:55 pmEAS San Sebastián-JFK New York John F Kennedy Intl

11h 35m1 stop Madrid Barajas

$971Iberia

Tue, Sep 22 - Thu, Oct 1

3:30 pm - 5:35 pmJFK New York John F Kennedy Intl-EAS San Sebastián

20h 05m2 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

$971Iberia

Tue, Sep 22 - Thu, Oct 1

11:55 pm - 5:35 pmEWR Newark-EAS San Sebastián

11h 40m1 stop Madrid Barajas

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

30h 55m1 stop Madrid Barajas

$984Iberia

Tue, Sep 22 - Fri, Oct 2

8:30 pm - 8:35 amJFK New York John F Kennedy Intl-EAS San Sebastián

30h 05m3 stops Reykjavik Keflavik Intl London Gatwick Barcelona-El Prat

8:55 am - 10:05 pmEAS San Sebastián-JFK New York John F Kennedy Intl

19h 10m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

$1,047Multiple Airlines

Tue, Sep 22 - Fri, Oct 2

11:55 pm - 5:35 pmEWR Newark-EAS San Sebastián

11h 40m1 stop Madrid Barajas

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

14h 45m1 stop Madrid Barajas

$1,049American Airlines

Sat, Sep 19 - Fri, Sep 25

3:30 pm - 4:10 pmJFK New York John F Kennedy Intl-EAS San Sebastián

18h 40m2 stops Boston Logan Intl London Heathrow

3:25 pm - 6:20 pmEAS San Sebastián-JFK New York John F Kennedy Intl

32h 55m1 stop London City

$1,052British Airways

Tue, Sep 22 - Fri, Oct 2

8:30 pm - 8:35 amJFK New York John F Kennedy Intl-EAS San Sebastián

30h 05m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

8:55 am - 10:05 pmEAS San Sebastián-JFK New York John F Kennedy Intl

19h 10m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

$1,052Multiple Airlines

Sat, Sep 19 - Fri, Sep 25

7:15 pm - 4:10 pmJFK New York John F Kennedy Intl-EAS San Sebastián

14h 55m1 stop London Heathrow

3:25 pm - 3:20 pmEAS San Sebastián-JFK New York John F Kennedy Intl

29h 55m1 stop London City

$1,053British Airways

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.