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San Sebastian

$457+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This Trip.com deal was found by Cheapflights users on 3/12. 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.
Mon 4/1311:00 pm
EWR
-
EAS
2 stops15h 50m
Multiple Airlines
Tue 4/289:20 am
EAS
-
EWR
2 stops36h 10m
Multiple Airlines
Deal found 3/12$547
This Expedia deal was found by Cheapflights users on 3/8. 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.
Wed 4/2211:55 pm
EWR
-
EAS
1 stop14h 55m
Iberia
Wed 4/299:20 am
EAS
-
EWR
1 stop19h 05m
Iberia
Deal found 3/8$556
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/227:42 am
EWR
-
EAS
2 stops18h 58m
American Airlines
Wed 4/299:20 am
EAS
-
EWR
1 stop19h 05m
American Airlines
Deal found 3/8$560
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/1311:55 pm
EWR
-
EAS
1 stop26h 45m
American Airlines
Tue 4/281:40 pm
EAS
-
EWR
1 stop14h 45m
American Airlines
Deal found 3/8$566
This Expedia deal was found by Cheapflights users on 3/10. 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.
Mon 4/1311:55 pm
EWR
-
EAS
1 stop14h 55m
Iberia
Tue 4/281:40 pm
EAS
-
EWR
1 stop14h 45m
Iberia
Deal found 3/10$604
This Orbitz deal was found by Cheapflights users on 3/8. 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.
Tue 4/2811:55 pm
EWR
-
EAS
1 stop14h 55m
Iberia
Sat 5/99:30 pm
EAS
-
EWR
1 stop30h 55m
Iberia
Deal found 3/8$662
This British Airways deal was found by Cheapflights users on 3/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:50 pm
EWR
-
EAS
1 stop12h 45m
Multiple Airlines
Tue 4/289:30 pm
EAS
-
EWR
2 stops27h 59m
Multiple Airlines
Deal found 3/10$665
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:55 pm
EWR
-
EAS
1 stop14h 55m
Multiple Airlines
Fri 5/159:20 am
EAS
-
EWR
1 stop19h 05m
Multiple Airlines
Deal found 3/11$695
This Priceline deal was found by Cheapflights users on 3/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:25 pm
EWR
-
EAS
2 stops17h 25m
Multiple Airlines
Fri 5/19:30 pm
EAS
-
EWR
1 stop30h 55m
Multiple Airlines
Deal found 3/10$714

Find 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$547
(Trip.com)

One-way from

$457
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$747
Provider with most accurate pricing for Newark-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-San Sebastián flights.
Search Deals
From Newark to San Sebastián
Search Deals
One-way flight from Newark to San Sebastián
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 13, 2026.
Use the filters below to find and compare flights from Newark Airport to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 4/12

5:50 pm-12:35 pm

1 stop12h 45m

San Sebastián

Tue 4/28

9:30 pm-7:29 pm

2 stops27h 59m

$665

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Fri 4/24

11:55 pm-8:20 am

2 stops26h 25m

San Sebastián

Fri 5/1

5:55 pm-10:25 pm

2 stops34h 30m

$759

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 4/25

9:25 pm-4:10 pm

1 stop12h 45m

San Sebastián

Sat 5/2

9:30 pm-9:05 pm

2 stops29h 35m

$896

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 8/1

11:55 pm-8:20 am

2 stops26h 25m

San Sebastián

Mon 8/24

5:55 pm-10:25 pm

2 stops34h 30m

$978

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Mon 4/6

11:55 pm-8:40 am

1 stop26h 45m

San Sebastián

Sun 4/26

9:20 am-10:25 pm

1 stop19h 05m

$1,009

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 5/30

11:00 pm-8:20 am

2 stops27h 20m

San Sebastián

Sat 6/6

5:55 pm-9:10 pm

3 stops33h 15m

$1,010

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 6/6

11:55 pm-8:50 pm

1 stop14h 55m

San Sebastián

Sat 6/13

9:30 pm-10:25 pm

1 stop30h 55m

$1,041

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Wed 6/24

11:00 pm-8:20 am

3 stops27h 20m

San Sebastián

Wed 7/1

5:55 pm-9:00 pm

3 stops33h 05m

$1,056

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 7/26

11:55 pm-8:40 am

1 stop26h 45m

San Sebastián

Mon 8/17

9:30 pm-10:25 pm

1 stop30h 55m

$1,061

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 8/15

9:25 pm-4:10 pm

1 stop12h 45m

San Sebastián

Sat 8/22

11:45 am-1:55 pm

2 stops32h 10m

$1,122

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Newark to San Sebastian

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to San Sebastian in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-San Sebastian flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-San Sebastian flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-San Sebastian flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-San Sebastian flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 month to book a flight from Newark Airport to San Sebastian?

Currently, October is the cheapest month in which you can book a flight from Newark Airport to San Sebastian (average of $361). Flying from Newark Airport to San Sebastian in February is currently the most expensive (average of $2,186). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • How long is the flight from Newark Airport to San Sebastian?

    A quick flight from Newark Airport to San Sebastian can take about 14h 55m. American Airlines provides one of the quickest options available for as low as $717. The distance between Newark Airport and San Sebastian is about 3596 mi. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Newark Airport to San Sebastian?

    Currently, October is the cheapest month in which you can book a flight from Newark Airport to San Sebastian (average of $361). Flying from Newark Airport to San Sebastian in February is currently the most expensive (average of $2,186). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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