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$225+ Cheap flights from Newark (EWR) to San Sebastian (EAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Newark to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 September 16, 2025.

Round-trip from

$436
(Trip.com)

One-way from

$225
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$697
From Newark to San Sebastián
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One-way flight from Newark to San Sebastián
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Highest demand for flights based on searches. 26% potential increase in price ($314 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Newark to San Sebastian

Cheapest flights from Newark to San Sebastian
Explore the most affordable flight options available from Newark to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:55 amEWR - EAS
2 stops26h 45mMultiple Airlines
Tue 11/111:40 pmEAS - EWR
2 stops31h 50mMultiple Airlines
Deal found 9/15$540
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:25 amEWR - EAS
2 stops24h 55mMultiple Airlines
Tue 10/215:55 pmEAS - EWR
2 stops32h 15mMultiple Airlines
Deal found 9/14$585
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:50 pmEWR - EAS
2 stops16h 00mMultiple Airlines
Tue 10/219:20 amEAS - EWR
2 stops36h 00mMultiple Airlines
Deal found 9/15$587
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:50 pmEWR - EAS
2 stops13h 30mMultiple Airlines
Thu 10/239:00 amEAS - EWR
2 stops16h 05mMultiple Airlines
Deal found 9/14$624
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:00 amEWR - EAS
2 stops24h 20mMultiple Airlines
Mon 10/208:50 amEAS - EWR
2 stops15h 55mMultiple Airlines
Deal found 9/13$734
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:55 pmEWR - EAS
1 stop12h 45mMultiple Airlines
Thu 10/169:30 pmEAS - EWR
2 stops30h 59mMultiple Airlines
Deal found 9/14$813

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 September 16, 2025.
Use the filters below to find and compare flights from Newark Airport to San Sebastian that are best for you.

Fly from

Newark

Fly to

San Sebastian

Route

Depart

Return

Price

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 10/12

10:50 pm-8:50 pm

2 stops16h 00m

San Sebastián

Tue 10/21

9:20 am-3:20 pm

2 stops36h 00m

$587

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Wed 10/15

10:25 am-5:20 pm

3 stops24h 55m

San Sebastián

Thu 10/23

9:00 am-7:57 pm

2 stops16h 57m

$721

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Mon 10/13

9:50 pm-8:30 am

3 stops28h 40m

San Sebastián

Mon 10/20

5:55 pm-6:45 pm

3 stops30h 50m

$743

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Wed 10/15

5:55 pm-12:40 pm

1 stop12h 45m

San Sebastián

Thu 10/16

9:30 pm-10:29 pm

2 stops30h 59m

$813

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Tue 10/14

10:50 pm-8:25 am

3 stops27h 35m

San Sebastián

Tue 10/21

5:55 pm-3:20 pm

2 stops27h 25m

$834

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 10/4

3:05 pm-8:10 am

3 stops35h 05m

San Sebastián

Tue 10/7

5:55 pm-9:00 pm

2 stops33h 05m

$865

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Fri 10/31

3:30 pm-1:30 pm

2 stops17h 00m

San Sebastián

Fri 11/7

2:05 pm-3:40 pm

3 stops31h 35m

$931

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Tue 11/11

5:40 pm-1:30 pm

2 stops13h 50m

$225

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Mon 11/24

11:55 pm-1:30 pm

2 stops31h 35m

$237

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Thu 11/27

5:40 pm-1:30 pm

2 stops13h 50m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
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Best time to book a flight from Newark to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Newark 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 Newark Airport to San Sebastian

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

Find hourly flight availability from Newark 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to San Sebastian as you normally would.

Related info for your journey

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

  • What airport do you fly into for flights to San Sebastian from Newark?

    San Sebastián (EAS) is the airport you will fly into if you book a flight from Newark to San Sebastian. You should not have trouble finding flights to San Sebastián from Newark; the airport handles an average of 0 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the San Sebastian airport from Newark. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newark 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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