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$616+ Cheap flights from Newark (EWR) 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
nov. 21 — nov. 281
ven. 11/21
ven. 11/28
1 adult, Economy
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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 octobre 22, 2025.

This Mytrip deal was found by Cheapflights users on 10/21. 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.
jeu. 12/411:55 pmEWR - EAS
3 stops31h 35mMultiple Airlines
jeu. 12/112:05 pmEAS - EWR
2 stops31h 25mMultiple Airlines
Deal found 10/21$737
This Mytrip deal was found by Cheapflights users on 10/21. 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.
lun. 11/245:40 pmEWR - EAS
2 stops13h 50mMultiple Airlines
jeu. 11/272:05 pmEAS - EWR
3 stops38h 43mMultiple Airlines
Deal found 10/21$993

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 octobre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$616
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$681
Provider with most accurate pricing for Newark-San Sebastián flight deals.
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Provider most trusted by Cheapflights users for Newark-San Sebastián flights.
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From Newark to San Sebastián
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octobre 22, 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

jeu. 1/15

3:30 pm-8:50 pm

2 stops23h 20m

San Sebastián

lun. 1/19

9:20 am-8:37 pm

2 stops17h 17m

$616

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

ven. 1/9

5:40 pm-1:30 pm

2 stops13h 50m

San Sebastián

ven. 1/16

2:05 pm-3:40 pm

2 stops31h 35m

$694

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

jeu. 3/19

6:40 pm-1:30 pm

2 stops13h 50m

San Sebastián

lun. 3/30

5:55 pm-9:10 pm

3 stops33h 15m

$731

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

jeu. 12/4

11:55 pm-1:30 pm

3 stops31h 35m

San Sebastián

jeu. 12/11

2:05 pm-3:30 pm

2 stops31h 25m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 June is currently the most expensive (average of $933). 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.

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 octobre 22, 2025.

It’s optimal to fly from Newark Airport to San Sebastian in the afternoon. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight in the evening.

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.

  • 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 June is currently the most expensive (average of $933). 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.

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