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San Sebastian

$349+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — EAS
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from USA to San Sebastian

Cheapest flights from USA to San Sebastian
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 March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Mon 5/410:50 pm
BOS
-
EAS
1 stop27h 30m
Multiple Airlines
Tue 5/198:55 am
EAS
-
BOS
1 stop18h 10m
Multiple Airlines
Deal found 3/15$590
This Trip.com deal was found by Cheapflights users on 3/13. 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.
Mon 4/2711:00 pm
EWR
-
EAS
2 stops15h 50m
Multiple Airlines
Mon 5/41:40 pm
EAS
-
EWR
2 stops31h 50m
Multiple Airlines
Deal found 3/13$615
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:55 pm
EWR
-
EAS
1 stop14h 55m
Iberia
Tue 4/281:40 pm
EAS
-
EWR
1 stop14h 45m
Iberia
Deal found 3/16$668
This Iberia deal was found by Cheapflights users on 3/13. 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.
Wed 10/79:20 pm
BOS
-
EAS
1 stop9h 40m
Iberia
Tue 10/138:55 am
EAS
-
BOS
1 stop18h 20m
Iberia
Deal found 3/13$672
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:40 pm
JFK
-
EAS
1 stop30h 00m
Iberia
Tue 4/281:40 pm
EAS
-
JFK
1 stop11h 15m
Iberia
Deal found 3/14$680
This Iberia deal was found by Cheapflights users on 3/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:20 pm
JFK
-
EAS
1 stop10h 20m
Iberia
Mon 4/209:30 pm
EAS
-
JFK
1 stop23h 09m
Iberia
Deal found 3/14$686
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:55 pm
EWR
-
EAS
1 stop14h 55m
Iberia
Mon 5/41:40 pm
EAS
-
EWR
1 stop14h 45m
Iberia
Deal found 3/13$687
This Mytrip deal was found by Cheapflights users on 3/16. 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.
Sun 4/125:30 pm
EWR
-
EAS
2 stops17h 50m
Multiple Airlines
Tue 4/285:55 pm
EAS
-
EWR
2 stops27h 35m
Multiple Airlines
Deal found 3/16$691
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/2810:05 pm
JFK
-
EAS
1 stop16h 45m
Multiple Airlines
Tue 5/59:20 am
EAS
-
JFK
1 stop14h 25m
Multiple Airlines
Deal found 3/13$695
This Iberia deal was found by Cheapflights users on 3/13. 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.
Sat 9/264:20 pm
JFK
-
EAS
1 stop10h 20m
Iberia
Sun 10/49:30 pm
EAS
-
JFK
1 stop20h 55m
Iberia
Deal found 3/13$706
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Mon 4/275:35 pm
JFK
-
EAS
2 stops17h 45m
Multiple Airlines
Mon 5/45:55 pm
EAS
-
JFK
2 stops25h 20m
Multiple Airlines
Deal found 3/13$708
This Iberia deal was found by Cheapflights users on 3/13. 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.
Sat 4/2511:55 pm
EWR
-
EAS
1 stop26h 45m
Iberia
Sat 5/21:40 pm
EAS
-
EWR
1 stop14h 45m
Iberia
Deal found 3/13$715

Find 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590
(Kiwi.com)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$747
Provider with most accurate pricing for New York (NYC)-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-San Sebastián flights.
Search Deals
From USA to San Sebastián
Search Deals
One-way flight from USA to San Sebastián
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from the United States to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Mon 4/27

11:00 pm-8:50 pm

2 stops15h 50m

San Sebastián

Mon 5/4

1:40 pm-3:30 pm

2 stops31h 50m

$615

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sat 4/25

11:55 pm-8:40 am

1 stop26h 45m

San Sebastián

Sat 5/2

1:40 pm-10:25 pm

1 stop14h 45m

$715

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Tue 4/28

11:55 pm-8:50 pm

1 stop14h 55m

San Sebastián

Tue 5/5

1:40 pm-10:25 pm

1 stop14h 45m

$745
Quickest round-trip

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 4/29

11:34 am-8:40 am

2 stops15h 06m

San Sebastián

Wed 5/6

9:20 am-4:10 pm

1 stop12h 50m

$749

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 4/26

5:20 pm-8:20 am

3 stops33h 00m

San Sebastián

Wed 4/29

8:55 am-1:15 pm

3 stops34h 20m

$752

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Fri 7/24

11:25 pm-8:20 am

1 stop26h 55m

San Sebastián

Mon 8/31

8:55 am-9:40 pm

1 stop18h 45m

$772

AtlantaSan Sebastian

ATL - EAS

ATLEAS

Atlanta Hartsfield-Jackson

Wed 8/12

11:00 am-1:00 pm

2 stops20h 00m

San Sebastián

Wed 8/19

9:30 pm-10:07 pm

2 stops30h 37m

$782

New YorkSan Sebastian

LGA - EAS

LGAEAS

New York LaGuardia

Mon 4/27

3:30 pm-5:20 pm

2 stops19h 50m

San Sebastián

Mon 5/4

8:55 am-7:36 pm

2 stops16h 41m

$788

AtlantaSan Sebastian

ATL - EAS

ATLEAS

Atlanta Hartsfield-Jackson

Tue 4/14

4:49 pm-8:50 pm

2 stops22h 01m

San Sebastián

Tue 4/21

9:20 am-10:23 pm

2 stops19h 03m

$802

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Fri 7/24

11:55 pm-8:50 pm

1 stop14h 55m

San Sebastián

Mon 8/31

9:20 am-10:25 pm

1 stop19h 05m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, March is the cheapest month in which you can book a flight from USA to San Sebastian (average of $344). Flying from USA to San Sebastian in July is currently the most expensive (average of $531). 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.

The best insider tips for theUnited States to San Sebastian flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to San Sebastian trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Vueling

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Emily Zemler

Emily Zemler

Expert on Iberia

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Marisa Garcia

Marisa Garcia

Expert on American Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more

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 March 17, 2026.
Peruse reviews from past customers who have flown with American Airlines 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.
American Airlines
7.1
Good
11,466 reviews

Overall

7.1

Comfort

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,466 reviews
American Airlines
7.1
Good
11,466 reviews

Overall

7.1

Comfort

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
Iberia
7.0
Good
3,137 reviews
American Airlines
7.1
Good
11,466 reviews

Overall

7.1

Comfort

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

  • What airport do you fly into for flights to San Sebastian from United States?

    Located just 9.7 mi from the city center, San Sebastián (EAS) is the airport most travelers will use when flying to San Sebastian from United States.

  • How long is the flight from USA to San Sebastian?

    Airlines like Iberia, LEVEL, and American Airlines fly from USA to San Sebastian in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 10h 15m. There are 5766 mi between USA and San Sebastian. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from USA to San Sebastian?

    Most travelers choose New York John F Kennedy Intl - San Sebastián, Chicago O'Hare Intl - San Sebastián or Los Angeles Los Angeles - San Sebastián when deciding on the best route from USA to San Sebastian.

  • Can I find deals for flights from USA to San Sebastian that include hotel bookings?

    Yes. In addition to deals on USA to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to San Sebastian.

  • Can I find deals for business class flights from USA to San Sebastian?

    Yes. Cheapflights offers flight deals from USA to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to San Sebastian?

    Currently, March is the cheapest month in which you can book a flight from USA to San Sebastian (average of $344). Flying from USA to San Sebastian in July is currently the most expensive (average of $531). 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.

See more FAQs

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.

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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$72Average$891FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$450Average$852FlexibilityNo cancel feeOn-time71%

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