$319+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Newark to San Sebastian with Cheapflights
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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
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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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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 August 17, 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 August 17, 2026.
This Mytrip deal was found by Cheapflights users on 8/14. 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 11/1110:20 am -
2 stops21h 15m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 8/14![Multiple Airlines logo]()
$757
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:30 pm -
2 stops18h 50m
Tue 10/68:55 am -
2 stops16h 05m
Deal found 8/13![Multiple Airlines logo]()
$793
This Kissandfly.com deal was found by Cheapflights users on 8/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:55 pm -
1 stop14h 55m
Tue 10/139:20 am -
1 stop19h 05m
Deal found 8/14![Iberia logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:55 pm -
1 stop26h 45m
Tue 10/139:30 pm -
2 stops29h 30m
Deal found 8/13![Multiple Airlines logo]()
$855
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:30 pm -
2 stops17h 50m
Thu 9/249:10 am -
2 stops17h 50m
Deal found 8/14![Multiple Airlines logo]()
$910
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:55 pm -
1 stop26h 45m
Tue 10/61:40 pm -
1 stop14h 45m
Deal found 8/13![Iberia logo]()
$940
This Mytrip deal was found by Cheapflights users on 8/16. 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 9/153:45 pm -
2 stops19h 35m
Tue 9/228:55 am -
2 stops15h 04m
Deal found 8/16![Multiple Airlines logo]()
$954
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 August 17, 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 August 17, 2026.
This Mytrip deal was found by Cheapflights users on 8/14. 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 11/1111:36 am -
3 stops19h 59m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 8/14![Multiple Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 8/16. 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 1/189:59 am -
2 stops16h 41m
Sat 1/309:20 am -
2 stops17h 07m
Deal found 8/16![American Airlines logo]()
$966
This Iberia deal was found by Cheapflights users on 8/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:55 pm -
1 stop11h 40m
Thu 10/19:20 am -
1 stop19h 05m
Deal found 8/12![Iberia logo]()
$992
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:55 pm -
1 stop14h 55m
Wed 10/141:40 pm -
1 stop14h 45m
Deal found 8/13![Multiple Airlines logo]()
$957
This Finnair deal was found by Cheapflights users on 8/16. 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.
Tue 9/1511:55 pm -
1 stop11h 40m
Tue 9/229:20 am -
1 stop19h 05m
Deal found 8/16![Multiple Airlines logo]()
$992
This Finnair deal was found by Cheapflights users on 8/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:55 pm -
1 stop14h 55m
Fri 10/239:20 am -
1 stop19h 05m
Deal found 8/13![Multiple Airlines logo]()
$1,007
This Finnair deal was found by Cheapflights users on 8/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:55 pm -
1 stop14h 55m
Tue 10/131:40 pm -
1 stop14h 45m
Deal found 8/13![Multiple Airlines logo]()
$1,070
This Vueling Global deal was found by Cheapflights users on 8/14. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:55 pm -
2 stops26h 25m
Sat 10/108:55 am -
2 stops19h 30m
Deal found 8/14![Multiple Airlines logo]()
$1,091
Last-minute flights from Newark to San SebastianDiscover last-minute flight deals from Newark to San Sebastian. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to San Sebastian. Data last updated August 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/16. 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 9/153:45 pm -
2 stops19h 35m
Tue 9/228:55 am -
2 stops15h 04m
Deal found 8/16![Multiple Airlines logo]()
$954
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:30 pm -
2 stops18h 50m
Tue 10/68:55 am -
2 stops16h 05m
Deal found 8/13![Multiple Airlines logo]()
$793
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:30 pm -
2 stops17h 50m
Thu 9/249:10 am -
2 stops17h 50m
Deal found 8/14![Multiple Airlines logo]()
$910
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:55 pm -
1 stop26h 45m
Tue 10/61:40 pm -
1 stop14h 45m
Deal found 8/13![Iberia logo]()
$940
This Kissandfly.com deal was found by Cheapflights users on 8/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:55 pm -
1 stop14h 55m
Tue 10/139:20 am -
1 stop19h 05m
Deal found 8/14![Iberia logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:55 pm -
1 stop26h 45m
Tue 10/139:30 pm -
2 stops29h 30m
Deal found 8/13![Multiple Airlines logo]()
$855
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 August 17, 2026.
Search for one-way flight options from Newark to San Sebastian. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:25 pm -
3 stops31h 15m
Deal found 8/12![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:25 pm -
3 stops32h 10m
Deal found 8/12![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:35 pm -
3 stops32h 45m
Deal found 8/13![Multiple Airlines logo]()
$345
This Mytrip deal was found by Cheapflights users on 8/16. 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 10/128:25 pm -
3 stops29h 55m
Deal found 8/16![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Mon 10/1211:55 pm -
1 stop26h 45m
Deal found 8/16![Iberia logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:35 pm -
2 stops32h 45m
Deal found 8/15![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:25 pm -
3 stops31h 25m
Deal found 8/13![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:00 pm -
2 stops27h 20m
Deal found 8/12![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:55 pm -
1 stop26h 45m
Deal found 8/12![Iberia logo]()
$413
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $757 (Mytrip) |
One-way from | $319 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $986 |
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 August 17, 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
Wed 11/11
11:36 am-1:35 pm
3 stops19h 59m
San Sebastián
Wed 11/18
2:10 pm-3:20 pm
2 stops31h 10m
$763
Quickest round-trip
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Tue 10/6
11:55 pm-8:50 pm
1 stop14h 55m
San Sebastián
Wed 10/14
1:40 pm-10:25 pm
1 stop14h 45m
$957
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Mon 1/18
9:59 am-8:40 am
2 stops16h 41m
San Sebastián
Sat 1/30
9:20 am-8:27 pm
2 stops17h 07m
$966
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Wed 9/16
11:55 pm-5:35 pm
1 stop11h 40m
San Sebastián
Thu 10/1
9:20 am-10:25 pm
1 stop19h 05m
$992
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Tue 9/15
11:55 pm-5:35 pm
1 stop11h 40m
San Sebastián
Tue 9/22
9:20 am-10:25 pm
1 stop19h 05m
$992
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Fri 10/16
11:55 pm-8:50 pm
1 stop14h 55m
San Sebastián
Fri 10/23
9:20 am-10:25 pm
1 stop19h 05m
$1,007
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Sun 9/27
11:55 pm-8:50 pm
1 stop14h 55m
San Sebastián
Tue 10/13
1:40 pm-10:25 pm
1 stop14h 45m
$1,070
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Mon 10/5
11:55 pm-8:20 am
2 stops26h 25m
San Sebastián
Sat 10/10
8:55 am-10:25 pm
2 stops19h 30m
$1,091
Cheapest one-way
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Mon 9/14
8:25 pm-9:40 am
3 stops31h 15m
$319
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Fri 9/18
5:35 pm-8:20 am
3 stops32h 45m
$345
Showing 1-10 of 17 resultsSorted 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 August.
| 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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