$534 Cheap Flights from Newark Liberty Intl. Airport (EWR) to San Sebastian (EAS)

View $534 flight on Wed, Oct 21, 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to San Sebastián

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Cheap Flights from Newark Liberty Intl. Airport to San Sebastian (EWR-EAS)

Prices were available within the past 7 days and start at $534 for one-way flights and $707 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 21 - Wed, Oct 28
EWR
New York
EAS
San Sebastián
$707 Roundtrip, found 4 days ago
$707
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 21 from New York to San Sebastián, returning Wed, Oct 28, priced at $707 found 4 days ago
American Airlines
Wed, Mar 4 - Wed, Mar 11
EWR
New York
EAS
San Sebastián
$711 Roundtrip, found 3 days ago
$711
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Mar 4 from New York to San Sebastián, returning Wed, Mar 11, priced at $711 found 3 days ago
American Airlines
Wed, Oct 21 - Wed, Oct 28
EWR
New York
EAS
San Sebastián
$716 Roundtrip, found 4 days ago
$716
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 21 from New York to San Sebastián, returning Wed, Oct 28, priced at $716 found 4 days ago
British Airways
Sun, Feb 22 - Wed, Mar 11
EWR
New York
EAS
San Sebastián
$754 Roundtrip, found 2 days ago
$754
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Feb 22 from New York to San Sebastián, returning Wed, Mar 11, priced at $754 found 2 days ago
Iberia
Wed, Sep 2 - Thu, Sep 10
EWR
New York
EAS
San Sebastián
$772 Roundtrip, found 1 day ago
$772
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Sep 2 from New York to San Sebastián, returning Thu, Sep 10, priced at $772 found 1 day ago
Iberia
Wed, Sep 2 - Thu, Sep 10
EWR
New York
EAS
San Sebastián
$781 Roundtrip, found 1 day ago
$781
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Sep 2 from New York to San Sebastián, returning Thu, Sep 10, priced at $781 found 1 day ago
Iberia
Tue, Aug 11 - Tue, Aug 18
EWR
New York
EAS
San Sebastián
$782 Roundtrip, found 5 days ago
$782
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Aug 11 from New York to San Sebastián, returning Tue, Aug 18, priced at $782 found 5 days ago
British Airways
Fri, Feb 20 - Tue, Mar 10
EWR
New York
EAS
San Sebastián
$789 Roundtrip, found 2 days ago
$789
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Feb 20 from New York to San Sebastián, returning Tue, Mar 10, priced at $789 found 2 days ago
Iberia
Tue, Aug 11 - Tue, Aug 18
EWR
New York
EAS
San Sebastián
$791 Roundtrip, found 5 days ago
$791
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Aug 11 from New York to San Sebastián, returning Tue, Aug 18, priced at $791 found 5 days ago
British Airways
Fri, Feb 27 - Wed, Mar 11
EWR
New York
EAS
San Sebastián
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Feb 27 from New York to San Sebastián, returning Wed, Mar 11, priced at $804 found 2 days ago

Alternative airports near San Sebastián

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Sebastian EAS. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $1,429
EAS
San Sebastian
CheapestClosest
Average driving time to city center18 min
Flights from $1,429

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS) cost?
Get a cheap one-way flight from $534 or cheap return flight from $707 from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS)?
The cheapest month to fly from EWR to EAS is October, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest EWR to EAS flight.
How many flights per day from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS)?
Direct flights from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EWR to EAS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS)?
Choose a flight from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS) last-minute?
Booking your flight from EWR to EAS just before your journey is usually more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an EWR to EAS flight and hotel package?
Opting for an EWR to EAS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to San Sebastian Airport (EAS)?
In most cases, you can reschedule or cancel your EWR to EAS flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
San Sebastian
Airlines serving
American Airlines, Iberia
Roundtrip price
$706
Distance
3598 mi

Book with confidence

Newark Liberty Intl. Airport to San Sebastian Flights

The cheapest times to fly from Newark Liberty Intl. Airport to San Sebastian

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to San Sebastian are during the month of October. You can find some of the cheapest flights from Newark Liberty Intl. Airport to San Sebastian with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to San Sebastian

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to San Sebastian: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to San Sebastian

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to San Sebastian in 2026. You can also book with separate airlines for your outbound and return journeys, from $534 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to San Sebastian flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to San Sebastian airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Newark Liberty Intl. Airport to San Sebastian Flights

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