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$583+ Cheap flights from Philadelphia (PHL) to San Sebastian (EAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — EAS
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Philadelphia to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Sebastian (EAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$583
(American Airlines)
From Philadelphia to San Sebastián
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Find flight deals from Philadelphia to San Sebastian

Cheapest flights from Philadelphia to San Sebastian
Explore the most affordable flight options available from Philadelphia to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:00 amPHL - EAS
2 stops15h 40mAmerican Airlines
mié. 12/179:30 pmEAS - PHL
1 stop24h 05mAmerican Airlines
Deal found 9/10$583
This Orbitz deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/88:00 pmPHL - EAS
1 stop30h 40mIberia
mié. 12/179:30 pmEAS - PHL
1 stop24h 05mIberia
Deal found 9/10$587
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/511:03 amPHL - EAS
2 stops15h 37mAmerican Airlines
dom. 11/99:20 amEAS - PHL
2 stops20h 27mAmerican Airlines
Deal found 9/10$632
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:00 amPHL - EAS
2 stops24h 00mAmerican Airlines
dom. 11/169:20 amEAS - PHL
2 stops16h 31mAmerican Airlines
Deal found 9/9$860
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:55 pmPHL - EAS
1 stop30h 45mMultiple Airlines
dom. 11/91:40 pmEAS - PHL
2 stops25h 47mMultiple Airlines
Deal found 9/10$901
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/210:47 amPHL - EAS
2 stops20h 13mMultiple Airlines
jue. 10/99:30 pmEAS - PHL
2 stops25h 20mMultiple Airlines
Deal found 9/11$1,043
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/210:47 amPHL - EAS
2 stops20h 13mIberia
jue. 10/99:30 pmEAS - PHL
1 stop24h 40mIberia
Deal found 9/11$1,064
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/58:00 pmPHL - EAS
1 stop30h 40mIberia
dom. 11/99:20 amEAS - PHL
1 stop12h 15mIberia
Deal found 9/10$1,082
This Iberia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:55 pmPHL - EAS
1 stop30h 45mIberia
dom. 11/169:20 amEAS - PHL
1 stop12h 20mIberia
Deal found 9/10$1,196

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to San Sebastian that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Philadelphia to San Sebastian that are best for you.

Fly from

Philadelphia

Fly to

San Sebastian

Route

Depart

Return

Price

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

lun. 12/8

11:00 am-8:40 am

2 stops15h 40m

San Sebastián

mié. 12/17

9:30 pm-1:55 pm

2 stops22h 25m

$584

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

lun. 12/8

8:00 pm-8:40 am

1 stop30h 40m

San Sebastián

mié. 12/17

9:30 pm-3:35 pm

1 stop24h 05m

$587

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mié. 11/5

11:03 am-8:40 am

2 stops15h 37m

San Sebastián

dom. 11/9

9:20 am-11:47 pm

2 stops20h 27m

$632

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mié. 11/12

7:00 am-1:00 pm

2 stops24h 00m

San Sebastián

dom. 11/16

9:20 am-7:51 pm

2 stops16h 31m

$860

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mié. 11/5

7:55 pm-8:40 am

1 stop30h 45m

San Sebastián

dom. 11/9

1:40 pm-9:27 am

2 stops25h 47m

$901

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

jue. 10/2

10:47 am-1:00 pm

2 stops20h 13m

San Sebastián

jue. 10/9

9:30 pm-4:10 pm

1 stop24h 40m

$1,064

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mié. 11/5

8:00 pm-8:40 am

1 stop30h 40m

San Sebastián

dom. 11/9

9:20 am-3:35 pm

1 stop12h 15m

$1,082

PhiladelphiaSan Sebastian

PHL - EAS

PHLEAS

Philadelphia

mié. 11/12

7:55 pm-8:40 am

1 stop30h 45m

San Sebastián

dom. 11/16

9:20 am-3:40 pm

1 stop12h 20m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Philadelphia to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to San Sebastian

What is the cheapest time of day to fly from PHL to EAS?

Find hourly flight availability from Philadelphia to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

When flying from Philadelphia to San Sebastian, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to San Sebastian?

    Departing from Philadelphia to San Sebastian will take you 15h 40m. There are 3673 mi between Philadelphia and San Sebastian. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Philadelphia to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Philadelphia to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to San Sebastian.

  • Can I find deals for business class flights from Philadelphia to San Sebastian?

    Yes. Cheapflights offers flight deals from Philadelphia to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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