Economy class offers 30-32 inches of legroom and USB power outlets on long-haul flights.
Premium economy includes 37 inches of legroom and noise-canceling headphones on long-haul flights.
$253+ Cheap flights from the United States 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — EAS
Nov 13 — Nov 201
1 adult, Economy
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Find cheap flights from USA 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 USA to San Sebastian
Keep the following information in mind while searching for USA to San Sebastian flight deals. Data was last updated October 14, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $498 (Trip.com) |
One-way from | $253 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $681 |
Find flight deals from USA to San Sebastian
Cheapest flights from USA to San SebastianExplore the most affordable flight options available from USA to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.
Explore the most affordable flight options available from USA to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.
This Trip.com deal was found by Cheapflights users on 10/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:20 pmLGA - EAS
2 stops15h 40mMultiple Airlines
Thu 12/41:40 pmEAS - LGA
2 stops35h 22mMultiple Airlines
Deal found 10/12![Multiple Airlines logo]()
$498
This Trip.com deal was found by Cheapflights users on 10/13. 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.
Wed 11/125:40 pmEWR - EAS
2 stops21h 10mMultiple Airlines
Tue 11/181:40 pmEAS - EWR
2 stops31h 50mMultiple Airlines
Deal found 10/13![Multiple Airlines logo]()
$525
This Iberia deal was found by Cheapflights users on 10/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:45 pmBOS - EAS
1 stop14h 15mIberia
Sun 12/79:30 pmEAS - BOS
1 stop28h 20mIberia
Deal found 10/13![Iberia logo]()
$558
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:05 amJFK - EAS
2 stops21h 25mMultiple Airlines
Thu 12/42:05 pmEAS - JFK
2 stops32h 35mMultiple Airlines
Deal found 10/13![Multiple Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:55 amBOS - EAS
2 stops19h 05mAmerican Airlines
Sun 12/79:20 amEAS - BOS
1 stop16h 30mAmerican Airlines
Deal found 10/14![American Airlines logo]()
$576
This Trip.com deal was found by Cheapflights users on 10/13. 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.
Wed 11/1210:05 pmJFK - EAS
1 stop16h 45mMultiple Airlines
Tue 11/189:20 amEAS - JFK
1 stop14h 30mMultiple Airlines
Deal found 10/13![Multiple Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/2711:50 amORD - EAS
2 stops18h 10mAmerican Airlines
Thu 12/49:20 amEAS - ORD
1 stop12h 10mAmerican Airlines
Deal found 10/13![American Airlines logo]()
$621
This Mytrip deal was found by Cheapflights users on 10/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:30 amJFK - EAS
2 stops31h 00mMultiple Airlines
Tue 11/182:05 pmEAS - JFK
2 stops36h 00mMultiple Airlines
Deal found 10/12![Multiple Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Wed 11/1210:05 pmJFK - EAS
1 stop16h 45mMultiple Airlines
Wed 11/199:20 amEAS - JFK
1 stop14h 30mMultiple Airlines
Deal found 10/13![Multiple Airlines logo]()
$631
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:05 pmJFK - EAS
1 stop16h 45mMultiple Airlines
Fri 11/149:20 amEAS - JFK
1 stop14h 30mMultiple Airlines
Deal found 10/14![Multiple Airlines logo]()
$635
This Mytrip deal was found by Cheapflights users on 10/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:40 pmEWR - EAS
2 stops13h 50mMultiple Airlines
Wed 12/32:05 pmEAS - EWR
2 stops31h 25mMultiple Airlines
Deal found 10/12![Multiple Airlines logo]()
$639
This eDestinos deal was found by Cheapflights users on 10/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:30 pmIAD - EAS
2 stops33h 10mMultiple Airlines
Tue 11/182:05 pmEAS - IAD
2 stops55h 10mMultiple Airlines
Deal found 10/12![Multiple Airlines logo]()
$663
Cheapflights Fare Finder
Customize your flight search to find flights from USA 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 October 14, 2025.
Use the filters below to find and compare flights from the United States to San Sebastian that are best for you.
Fly from
USA
Fly to
San Sebastian
Route
Depart
Return
Price
New YorkSan Sebastian
LGA - EAS
LGAEAS
New York LaGuardia
Thu 11/27
3:20 pm-1:00 pm
2 stops15h 40m
San Sebastián
Thu 12/4
1:40 pm-7:02 pm
2 stops35h 22m
$498
NewarkSan Sebastian
EWR - EAS
EWREAS
Newark
Wed 11/12
5:40 pm-8:50 pm
2 stops21h 10m
San Sebastián
Tue 11/18
1:40 pm-3:30 pm
2 stops31h 50m
$525
New YorkSan Sebastian
JFK - EAS
JFKEAS
New York John F Kennedy Intl
Sun 3/15
11:45 pm-1:30 pm
1 stop32h 45m
San Sebastián
Thu 3/19
2:05 pm-10:00 pm
1 stop12h 55m
$548
BostonSan Sebastian
BOS - EAS
BOSEAS
Boston Logan Intl
Thu 11/27
4:45 pm-1:00 pm
1 stop14h 15m
San Sebastián
Sun 12/7
9:30 pm-7:50 pm
1 stop28h 20m
$558
New YorkSan Sebastian
JFK - EAS
JFKEAS
New York John F Kennedy Intl
Thu 11/27
10:05 am-1:30 pm
2 stops21h 25m
San Sebastián
Thu 12/4
2:05 pm-4:40 pm
2 stops32h 35m
$560
BostonSan Sebastian
BOS - EAS
BOSEAS
Boston Logan Intl
Thu 11/27
11:55 am-1:00 pm
2 stops19h 05m
San Sebastián
Sun 12/7
9:20 am-7:50 pm
1 stop16h 30m
$576
New YorkSan Sebastian
JFK - EAS
JFKEAS
New York John F Kennedy Intl
Wed 11/12
10:05 pm-8:50 pm
1 stop16h 45m
San Sebastián
Tue 11/18
9:20 am-5:50 pm
1 stop14h 30m
$579
BostonSan Sebastian
BOS - EAS
BOSEAS
Boston Logan Intl
Sat 1/3
7:30 am-4:10 pm
1 stop26h 40m
San Sebastián
Thu 4/2
1:25 pm-10:35 pm
1 stop15h 10m
$615
New YorkSan Sebastian
JFK - EAS
JFKEAS
New York John F Kennedy Intl
Mon 11/10
12:30 am-1:30 pm
2 stops31h 00m
San Sebastián
Tue 11/18
2:05 pm-8:05 pm
2 stops36h 00m
$622
ChicagoSan Sebastian
ORD - EAS
ORDEAS
Chicago O'Hare Intl
Wed 1/28
9:00 am-8:40 am
2 stops16h 40m
San Sebastián
Sun 2/1
9:20 am-8:24 pm
2 stops18h 04m
$631
Showing 1-10 of 45 results
Best time to book a flight from USA to San Sebastian
Have a flexible travel schedule? Discover the best time to fly to San Sebastian from USA 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 the United States to San Sebastian
What is the cheapest month to book a flight from USA to San Sebastian?
Currently, October is the cheapest month in which you can book a flight from USA to San Sebastian (average of $359). Flying from USA to San Sebastian in July is currently the most expensive (average of $532). 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 US to EAS?
Find hourly flight availability from USA 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 October 14, 2025.
It’s optimal to fly from USA to San Sebastian in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.
The best insider tips for theUnited States to San Sebastian flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to San Sebastian trip
Airlines
![Iberia]()
Iberia
![American Airlines]()
American Airlines
Flagship Business class offers 6’ 7” lay-flat beds and 16” HD touchscreens on international flights.
Premium Economy features 38” seat pitch and an 11.5” HD touchscreen on long-haul flights.
![Vueling]()
Vueling
Vueling offers facial recognition boarding at select Spanish airports for a smoother process.
Check-in up to seven days prior via app or online without extra fees.
Our travel experts
Reviews of airlines servicing San Sebastian
Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated October 14, 2025.
Peruse reviews from past customers who have flown with American Airlines, Vueling, and Iberia from the United States to San Sebastian to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Crew
8.0
Food
6.4
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Comfort
7.2
Crew
8.0
Food
6.4
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Comfort
7.2
Crew
8.0
Food
6.4
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Comfort
7.2
Crew
8.0
Food
6.4
Entertainment
6.9
Overall
7.2
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Related info for your journey
Find useful and relevant information for your journey from USA to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for USA to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from USA to San Sebastian
Discover the top 2 airlines that operate flights from USA to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$450 | Average$1,143 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$461 | Average$1,038 | FlexibilityNo cancel fee | On-time77% |