$411+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Newark to San Sebastian with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Newark to San Sebastian
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Best
Last-minute
One-way
Cheapest flights from Newark to San SebastianExplore 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 October 22, 2026.
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 October 22, 2026.
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Thu 12/35:40 pm -
2 stops13h 55m
Thu 12/106:10 pm -
2 stops27h 10m
Deal found 10/19![Multiple Airlines logo]()
$738
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Sat 11/2811:05 pm -
2 stops14h 45m
Sun 12/66:10 pm -
2 stops27h 10m
Deal found 10/20![Multiple Airlines logo]()
$759
This Mytrip deal was found by Cheapflights users on 10/17. 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.
Thu 12/310:00 pm -
3 stops33h 35m
Mon 12/72:10 pm -
2 stops31h 10m
Deal found 10/17![Multiple Airlines logo]()
$879
This Finnair deal was found by Cheapflights users on 10/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:35 am -
2 stops24h 25m
Fri 12/119:20 am -
2 stops17h 09m
Deal found 10/20![Multiple Airlines logo]()
$913
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/25:00 am -
2 stops21h 40m
Thu 11/199:20 am -
2 stops19h 45m
Deal found 10/20![American Airlines logo]()
$940
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.
Thu 11/125:40 pm -
2 stops13h 55m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 10/21![Multiple Airlines logo]()
$945
Best flights from Newark to San SebastianDiscover carefully curated flight deals from Newark to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Newark to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Thu 12/35:40 pm -
2 stops13h 55m
Thu 12/106:10 pm -
2 stops27h 10m
Deal found 10/19![Multiple Airlines logo]()
$738
This Expedia deal was found by Cheapflights users on 10/18. 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.
Tue 4/2011:55 pm -
1 stop14h 55m
Sat 4/249:20 am -
1 stop19h 05m
Deal found 10/18![Iberia logo]()
$775
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Sat 11/2811:36 am -
3 stops23h 59m
Sun 12/66:10 pm -
3 stops34h 45m
Deal found 10/20![Multiple Airlines logo]()
$875
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Thu 1/1412:10 am -
2 stops31h 25m
Tue 1/192:10 pm -
3 stops31h 10m
Deal found 10/20![Multiple Airlines logo]()
$876
This Mytrip deal was found by Cheapflights users on 10/17. 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.
Thu 12/310:00 pm -
3 stops33h 35m
Mon 12/72:10 pm -
2 stops31h 10m
Deal found 10/17![Multiple Airlines logo]()
$879
This Finnair deal was found by Cheapflights users on 10/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:35 am -
2 stops24h 25m
Fri 12/119:20 am -
2 stops17h 09m
Deal found 10/20![Multiple Airlines logo]()
$913
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.
Thu 11/125:40 pm -
2 stops13h 55m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 10/21![Multiple Airlines logo]()
$945
Last-minute flights from Newark to San SebastianDiscover last-minute flight deals from Newark to San Sebastian. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to San Sebastian. Data last updated October 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/25:00 am -
2 stops21h 40m
Thu 11/199:20 am -
2 stops19h 45m
Deal found 10/20![American Airlines logo]()
$940
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.
Thu 11/125:40 pm -
2 stops13h 55m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 10/21![Multiple Airlines logo]()
$945
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Sun 11/152:20 pm -
3 stops17h 15m
Sun 11/226:10 pm -
2 stops34h 00m
Deal found 10/18![Multiple Airlines logo]()
$1,087
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Sat 11/2811:05 pm -
2 stops14h 45m
Sun 12/66:10 pm -
2 stops27h 10m
Deal found 10/20![Multiple Airlines logo]()
$759
One-way flights from Newark to San SebastianSearch for one-way flight options from Newark to San Sebastian. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Newark to San Sebastian. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 2/189:30 am -
2 stops17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/187:35 pm -
3 stops19h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 10/291:30 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![American Airlines logo]()
$727
This Booking.com deal was found by Cheapflights users on 10/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:10 am -
3 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$763
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:35 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![British Airways logo]()
$7,103
This BusinessClass deal was found by Cheapflights users on 10/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 pm -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$12,389
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $738 (Mytrip) |
One-way from | $411 (American Airlines) |
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 7,457,451 searches. Data last updated October 22, 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
Cheapest round-trip
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 2/18
9:30 am-8:40 am
2 stops17h 10m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$411
Quickest round-trip
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 10/29
1:30 pm-8:40 am
2 stops14h 10m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$727
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 12/3
5:40 pm-1:35 pm
2 stops13h 55m
San Sebastián
Thu 12/10
6:10 pm-3:20 pm
2 stops27h 10m
$738
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Tue 4/20
11:55 pm-8:50 pm
1 stop14h 55m
San Sebastián
Sat 4/24
9:20 am-10:25 pm
1 stop19h 05m
$775
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Sat 11/28
11:36 am-5:35 pm
3 stops23h 59m
San Sebastián
Sun 12/6
6:10 pm-10:55 pm
3 stops34h 45m
$875
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 1/14
12:10 am-1:35 pm
2 stops31h 25m
San Sebastián
Tue 1/19
2:10 pm-3:20 pm
3 stops31h 10m
$876
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 12/3
10:00 pm-1:35 pm
3 stops33h 35m
San Sebastián
Mon 12/7
2:10 pm-3:20 pm
2 stops31h 10m
$879
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Fri 12/4
6:35 am-1:00 pm
2 stops24h 25m
San Sebastián
Fri 12/11
9:20 am-8:29 pm
2 stops17h 09m
$913
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 11/12
5:40 pm-1:35 pm
2 stops13h 55m
San Sebastián
Wed 11/18
2:10 pm-3:20 pm
2 stops31h 10m
$945
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Tue 11/3
9:35 pm-8:50 pm
2 stops17h 15m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$7,103
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
EWR-EAS
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.
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.
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