Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United States to San Sebastian from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to San Sebastian departing on 11/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to San Sebastian

Recent round-trip flight deals from the United States to San Sebastian

Iberia Logo
4:30 pm - 8:40 amBOS-EAS
10h 10m1 stop
Iberia Logo
9:30 pm - 5:15 pmEAS-BOS
25h 45m2 stops
$428Iberia
Find Deal
Mon, Oct 13 - Mon, Oct 20
Multiple Airlines Logo
12:55 am - 8:40 amEWR-EAS
26h 45m2 stops
Multiple Airlines Logo
1:40 pm - 3:30 pmEAS-EWR
31h 50m2 stops
$436Multiple Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 11
Iberia Logo
5:00 pm - 1:00 pmJFK-EAS
14h 00m1 stop
Iberia Logo
2:05 pm - 10:00 pmEAS-JFK
13h 55m1 stop
$440Iberia
Find Deal
Wed, Dec 3 - Wed, Jan 14
Iberia Logo
5:55 pm - 8:40 amJFK-EAS
9h 45m1 stop
Iberia Logo
1:40 pm - 7:15 pmEAS-JFK
11h 35m1 stop
$448Iberia
Find Deal
Mon, Oct 27 - Tue, Nov 11
American Airlines Logo
5:55 pm - 8:40 amJFK-EAS
9h 45m1 stop
American Airlines Logo
1:40 pm - 7:15 pmEAS-JFK
11h 35m1 stop
$449American Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
American Airlines Logo
11:05 am - 8:40 amJFK-EAS
15h 35m2 stops
American Airlines Logo
9:20 am - 3:25 pmEAS-JFK
12h 05m1 stop
$452American Airlines
Find Deal
Wed, Dec 3 - Wed, Jan 14
American Airlines Logo
4:00 pm - 1:00 pmJFK-EAS
16h 00m2 stops
American Airlines Logo
1:40 pm - 7:15 pmEAS-JFK
11h 35m1 stop
$453American Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
American Airlines Logo
4:00 pm - 1:00 pmJFK-EAS
16h 00m2 stops
American Airlines Logo
1:40 pm - 7:15 pmEAS-JFK
11h 35m1 stop
$454American Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
British Airways Logo
8:25 pm - 4:15 pmLGA-EAS
37h 50m2 stops
British Airways Logo
1:25 pm - 7:28 amEAS-LGA
24h 03m2 stops
$832British Airways
Find Deal
Fri, Oct 3 - Thu, Oct 16
British Airways Logo
8:25 pm - 12:40 pmLGA-EAS
34h 15m2 stops
British Airways Logo
1:25 pm - 7:28 amEAS-LGA
24h 03m2 stops
$845British Airways
Find Deal
Tue, Oct 14 - Thu, Oct 23

American Airlines flights from United States to San Sebastian

Our best American Airlines deals on United States to San Sebastian flight tickets
American Airlines
Oct 27
JFK5:55 pmNew York John F Kennedy Intl
9h 45m
1 stop
EAS8:40 amSan Sebastián
Nov 11
EAS1:40 pmSan Sebastián
11h 35m
1 stop
JFK7:15 pmNew York John F Kennedy Intl
$449
Find similar
American Airlines
Dec 3
JFK11:05 amNew York John F Kennedy Intl
15h 35m
2 stops
EAS8:40 amSan Sebastián
Jan 14
EAS9:20 amSan Sebastián
12h 05m
1 stop
JFK3:25 pmNew York John F Kennedy Intl
$452
Find similar
American Airlines
Oct 27
JFK4:00 pmNew York John F Kennedy Intl
16h 00m
2 stops
EAS1:00 pmSan Sebastián
Nov 11
EAS1:40 pmSan Sebastián
11h 35m
1 stop
JFK7:15 pmNew York John F Kennedy Intl
$453
Find similar

Iberia flights from United States to San Sebastian

Our best Iberia deals on United States to San Sebastian flight tickets
Iberia
Oct 13
BOS4:30 pmBoston Logan Intl
10h 10m
1 stop
EAS8:40 amSan Sebastián
Oct 20
EAS9:30 pmSan Sebastián
25h 45m
2 stops
BOS5:15 pmBoston Logan Intl
$428
Find similar
Iberia
Dec 3
JFK5:00 pmNew York John F Kennedy Intl
14h 00m
1 stop
EAS1:00 pmSan Sebastián
Jan 14
EAS2:05 pmSan Sebastián
13h 55m
1 stop
JFK10:00 pmNew York John F Kennedy Intl
$440
Find similar
Iberia
Oct 27
JFK5:55 pmNew York John F Kennedy Intl
9h 45m
1 stop
EAS8:40 amSan Sebastián
Nov 11
EAS1:40 pmSan Sebastián
11h 35m
1 stop
JFK7:15 pmNew York John F Kennedy Intl
$448
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 10/13

4:30 pm-8:40 am

1 stop10h 10m

San Sebastián

Mon 10/20

9:30 pm-5:15 pm

2 stops25h 45m

$428

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 10/26

12:55 am-8:40 am

2 stops26h 45m

San Sebastián

Tue 11/11

1:40 pm-3:30 pm

2 stops31h 50m

$436

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Wed 12/3

5:00 pm-1:00 pm

1 stop14h 00m

San Sebastián

Wed 1/14

2:05 pm-10:00 pm

1 stop13h 55m

$440

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Mon 10/27

5:55 pm-8:40 am

1 stop9h 45m

San Sebastián

Tue 11/11

1:40 pm-7:15 pm

1 stop11h 35m

$448

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Mon 10/27

5:55 pm-8:40 am

1 stop9h 45m

San Sebastián

Tue 11/11

1:40 pm-7:15 pm

1 stop11h 35m

$449

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Wed 12/3

11:05 am-8:40 am

2 stops15h 35m

San Sebastián

Wed 1/14

9:20 am-3:25 pm

1 stop12h 05m

$452

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Mon 10/27

4:00 pm-1:00 pm

2 stops16h 00m

San Sebastián

Tue 11/11

1:40 pm-7:15 pm

1 stop11h 35m

$453

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Mon 10/27

4:00 pm-1:00 pm

2 stops16h 00m

San Sebastián

Tue 11/11

1:40 pm-7:15 pm

1 stop11h 35m

$454

New YorkSan Sebastian

LGA - EAS

LGAEAS

New York LaGuardia

Fri 10/3

8:25 pm-4:15 pm

2 stops37h 50m

San Sebastián

Thu 10/16

1:25 pm-7:28 am

2 stops24h 03m

$832

New YorkSan Sebastian

LGA - EAS

LGAEAS

New York LaGuardia

Tue 10/14

8:25 pm-12:40 pm

2 stops34h 15m

San Sebastián

Thu 10/23

1:25 pm-7:28 am

2 stops24h 03m

$845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Sebastian from

How to get the cheapest flight ticket from United States to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Sebastian?

The month of October is, on average, the cheapest month to fly to San Sebastian from United States, with most prices found around $598. If you are unable to visit San Sebastian during the month of October, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around $672.

What is the cheapest day to depart on your flight to San Sebastian?

On average, the least expensive day to fly to San Sebastian from United States is on a Sunday. momondo users have found tickets for Sunday departures for as low as $868. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from United States to San Sebastian for around $1,163.

What is the cheapest time of day to depart on your flight to San Sebastian?

Flying to San Sebastian from United States in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $918 when looking at flights departing in the afternoon. Flights to San Sebastian are more costly in the evening, with an average ticket price of $993. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on United States to San Sebastian flights?

You could potentially save up to 20% on your flight if you consider stops on a United States to San Sebastian flight.

Cheap United States to San Sebastian flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to San Sebastian

Direct flights

None
There are no direct flights from United States to San Sebastian. There are no popular flight routes from United States to San Sebastian.
Search flight deals

  • When did momondo last update prices for flights from United States to San Sebastián Airport?

    Prices for flights from United States to San Sebastián Airport are updated daily.

  • How many operators does momondo search for flights from United States to San Sebastián Airport?

  • How old do you have to be to fly from United States to San Sebastián Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United States to San Sebastian

Compare and see reviews for airlines that fly from United States to San Sebastian with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $450Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $461Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from United States to San Sebastian?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Sebastian from United States.

Can I find flights from United States to San Sebastian with flexible booking policies on momondo?

Yes. All flights to San Sebastian from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to San Sebastian?

Once you have performed a search for United States to San Sebastian flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to San Sebastian right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United States to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Sebastian trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/16
Thu 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Airports servicing Basque Country

Bilbao Airport