$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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — EAS
Oct 29 — Nov 51
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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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 September 29, 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 September 29, 2026.
This American Airlines deal was found by Cheapflights users on 9/27. 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 11/1110:45 am -
2 stops20h 15m
Wed 11/189:20 am -
2 stops18h 07m
Deal found 9/27![American Airlines logo]()
$819
This Mytrip deal was found by Cheapflights users on 9/27. 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 11/113:30 pm -
2 stops16h 05m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 9/27![Multiple Airlines logo]()
$829
This Expedia deal was found by Cheapflights users on 9/25. 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 11/99:35 pm -
2 stops29h 05m
Mon 11/162:10 pm -
2 stops29h 40m
Deal found 9/25![Iberia logo]()
$835
This Mytrip deal was found by Cheapflights users on 9/27. 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 11/253:30 pm -
2 stops16h 05m
Mon 11/302:10 pm -
2 stops31h 10m
Deal found 9/27![Multiple Airlines logo]()
$867
This Mytrip deal was found by Cheapflights users on 9/24. 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 11/1210:00 pm -
3 stops33h 35m
Mon 11/162:10 pm -
2 stops31h 10m
Deal found 9/24![Multiple Airlines logo]()
$882
This Mytrip deal was found by Cheapflights users on 9/24. 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 10/223:45 pm -
2 stops19h 35m
Thu 10/296:10 pm -
2 stops32h 20m
Deal found 9/24![Multiple Airlines logo]()
$921
This Expedia deal was found by Cheapflights users on 9/27. 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 9/2811:55 pm -
1 stop26h 45m
Tue 10/131:40 pm -
1 stop14h 45m
Deal found 9/27![Iberia logo]()
$929
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 September 29, 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 September 29, 2026.
This Mytrip deal was found by Cheapflights users on 9/26. 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 1/1712:10 am -
3 stops31h 25m
Tue 1/262:10 pm -
3 stops31h 10m
Deal found 9/26![Multiple Airlines logo]()
$800
This Priceline deal was found by Cheapflights users on 9/28. 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.
Sat 12/129:35 pm -
2 stops13h 20m
Thu 12/179:20 am -
2 stops16h 15m
Deal found 9/28![Iberia logo]()
$1,141
This Mytrip deal was found by Cheapflights users on 9/27. 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 11/113:30 pm -
3 stops18h 30m
Wed 11/182:10 pm -
2 stops31h 10m
Deal found 9/27![Multiple Airlines logo]()
$833
This Mytrip deal was found by Cheapflights users on 9/24. 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 11/1210:00 pm -
3 stops33h 35m
Mon 11/162:10 pm -
2 stops31h 10m
Deal found 9/24![Multiple Airlines logo]()
$882
This Expedia deal was found by Cheapflights users on 9/25. 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.
Fri 11/209:35 pm -
2 stops38h 00m
Sun 11/299:30 pm -
2 stops52h 05m
Deal found 9/25![Iberia logo]()
$1,152
This Mytrip deal was found by Cheapflights users on 9/24. 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 11/33:30 pm -
3 stops16h 05m
Mon 11/911:35 am -
3 stops17h 20m
Deal found 9/24![Multiple Airlines logo]()
$1,054
This Mytrip deal was found by Cheapflights users on 9/27. 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 10/3112:05 am -
2 stops32h 30m
Sun 11/86:10 pm -
2 stops34h 45m
Deal found 9/27![Multiple Airlines logo]()
$1,069
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Fri 10/235:30 pm -
2 stops17h 50m
Sat 10/319:10 pm -
3 stops31h 20m
Deal found 9/27![Multiple Airlines logo]()
$1,154
Last-minute flights from Newark to San SebastianDiscover last-minute flight deals from Newark to San Sebastian. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to San Sebastian. Data last updated September 29, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/27. 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 9/2811:55 pm -
1 stop26h 45m
Tue 10/131:40 pm -
1 stop14h 45m
Deal found 9/27![Iberia logo]()
$929
This Gurufare deal was found by Cheapflights users on 9/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:55 pm -
1 stop26h 45m
Mon 10/199:30 pm -
1 stop30h 55m
Deal found 9/27![Iberia logo]()
$1,169
This Iberia deal was found by Cheapflights users on 9/24. 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.
Thu 10/1511:55 pm -
1 stop14h 55m
Mon 10/199:20 am -
1 stop19h 05m
Deal found 9/24![Iberia logo]()
$1,163
This Mytrip deal was found by Cheapflights users on 9/24. 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 10/223:45 pm -
2 stops19h 35m
Thu 10/296:10 pm -
2 stops32h 20m
Deal found 9/24![Multiple Airlines logo]()
$921
This Mytrip deal was found by Cheapflights users on 9/28. 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 10/2211:00 pm -
2 stops27h 20m
Sat 10/319:10 pm -
3 stops31h 20m
Deal found 9/28![Multiple Airlines logo]()
$984
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Fri 10/236:00 am -
3 stops29h 20m
Sat 10/319:10 pm -
3 stops29h 20m
Deal found 9/27![Multiple Airlines logo]()
$1,108
This Kissandfly.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/263:30 pm -
2 stops16h 30m
Tue 11/109:20 am -
2 stops18h 55m
Deal found 9/28![Multiple Airlines logo]()
$960
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 September 29, 2026.
Search for one-way flight options from Newark to San Sebastian. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/1511:55 pm -
3 stops26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$411
This FlightHub deal was found by Cheapflights users on 9/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:35 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Iberia logo]()
$568
This Priceline deal was found by Cheapflights users on 9/27. 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.
Thu 10/1511:55 pm -
1 stop14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Iberia logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/2711:00 pm -
2 stops53h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 12/147:35 pm -
3 stops36h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$1,402
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 12/157:35 pm -
3 stops40h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$1,412
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $819 (American Airlines) |
One-way from | $411 (Kiwi.com) |
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 September 29, 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 10/15
12:25 pm-8:20 am
2 stops37h 55m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$440
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Fri 11/27
9:35 pm-8:50 pm
2 stops17h 15m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$568
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 10/15
11:55 pm-8:50 pm
1 stop14h 55m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$569
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Sun 1/17
12:10 am-1:35 pm
3 stops31h 25m
San Sebastián
Tue 1/26
2:10 pm-3:20 pm
3 stops31h 10m
$800
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Fri 11/27
11:00 pm-10:55 am
2 stops53h 55m
San Sebastián
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$808
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Wed 11/11
3:30 pm-4:00 pm
3 stops18h 30m
San Sebastián
Wed 11/18
2:10 pm-3:20 pm
2 stops31h 10m
$833
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Thu 11/12
10:00 pm-1:35 pm
3 stops33h 35m
San Sebastián
Mon 11/16
2:10 pm-3:20 pm
2 stops31h 10m
$882
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Tue 11/3
3:30 pm-1:35 pm
3 stops16h 05m
San Sebastián
Mon 11/9
11:35 am-10:55 pm
3 stops17h 20m
$1,054
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Sat 10/31
12:05 am-1:35 pm
2 stops32h 30m
San Sebastián
Sun 11/8
6:10 pm-10:55 pm
2 stops34h 45m
$1,069
NewarkSan Sebastian
EWR Newark - EAS San Sebastián
EWREAS
Newark
Sat 12/12
9:35 pm-4:55 pm
2 stops13h 20m
San Sebastián
Thu 12/17
9:20 am-7:35 pm
2 stops16h 15m
$1,141
Showing 1-10 of 15 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 September.
| 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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