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Cheap flights from the United States to San Sebastian from $301

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 10/2. 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.

Find the cheapest flights from the United States to San Sebastian

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

Enter your travel dates to find the best prices.
Iberia Logo
11:35 pm - 5:20 pm
BOS
-
EAS
11h 45m
1 stop
Iberia Logo
5:55 pm - 9:05 pm
EAS
-
BOS
33h 10m
1 stop
$710Iberia
Sun, Jul 26 - Tue, Aug 11
LEVEL Logo
10:50 pm - 8:35 am
BOS
-
EAS
27h 45m
1 stop
LEVEL Logo
8:55 am - 9:05 pm
EAS
-
BOS
18h 10m
1 stop
$757LEVEL
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
8:50 pm - 10:35 am
BOS
-
EAS
31h 45m
2 stops
Multiple Airlines Logo
8:55 am - 9:05 pm
EAS
-
BOS
18h 10m
1 stop
$784Multiple Airlines
Tue, May 12 - Tue, May 19
Iberia Logo
4:55 pm - 8:40 am
JFK
-
EAS
9h 45m
1 stop
Iberia Logo
9:10 am - 10:00 pm
EAS
-
JFK
18h 50m
1 stop
$806Iberia
Fri, May 8 - Thu, May 21
LEVEL Logo
10:50 pm - 8:20 am
BOS
-
EAS
27h 30m
1 stop
LEVEL Logo
8:55 am - 9:00 pm
EAS
-
BOS
18h 05m
1 stop
$813LEVEL
Sat, May 30 - Wed, Jun 10
Iberia Logo
10:55 pm - 5:10 pm
BOS
-
EAS
12h 15m
1 stop
Iberia Logo
8:55 am - 9:05 pm
EAS
-
BOS
18h 10m
1 stop
$826Iberia
Wed, Jul 29 - Wed, Aug 12
British Airways Logo
7:30 pm - 4:10 pm
SFO
-
EAS
35h 40m
1 stop
British Airways Logo
3:25 pm - 1:50 pm
EAS
-
SFO
31h 25m
1 stop
$1,035British Airways
Fri, Sep 18 - Fri, Sep 25
American Airlines Logo
3:15 pm - 12:35 pm
ORD
-
EAS
14h 20m
2 stops
American Airlines Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
$1,102American Airlines
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
8:01 am - 8:40 am
ORD
-
EAS
17h 39m
2 stops
American Airlines Logo
1:40 pm - 5:21 am
EAS
-
ORD
22h 41m
2 stops
$1,103American Airlines
Mon, May 18 - Tue, Jun 2
British Airways Logo
5:40 pm - 4:55 pm
IAD
-
EAS
17h 15m
2 stops
British Airways Logo
1:15 pm - 3:50 pm
EAS
-
IAD
32h 35m
1 stop
$1,124British Airways
Mon, Jun 1 - Mon, Jun 8

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Iberia flights from United States to San Sebastian

Our best Iberia deals on United States to San Sebastian flight tickets
Iberia
Oct 6
JFK11:25 pmNew York John F Kennedy Intl
11h 55m
1 stop
EAS5:20 pmSan Sebastián
Oct 13
EAS8:55 amSan Sebastián
18h 45m
1 stop
JFK9:40 pmNew York John F Kennedy Intl
$538
Iberia
Oct 1
BOS11:00 pmBoston Logan Intl
27h 20m
1 stop
EAS8:20 amSan Sebastián
Oct 7
EAS8:55 amSan Sebastián
18h 20m
1 stop
BOS9:15 pmBoston Logan Intl
$581
Iberia
Jul 26
BOS11:35 pmBoston Logan Intl
11h 45m
1 stop
EAS5:20 pmSan Sebastián
Aug 11
EAS5:55 pmSan Sebastián
33h 10m
1 stop
BOS9:05 pmBoston Logan Intl
$710

LEVEL flights from United States to San Sebastian

Our best LEVEL deals on United States to San Sebastian flight tickets
LEVEL
Aug 25
JFK11:50 pmNew York John F Kennedy Intl
26h 40m
1 stop
EAS8:30 amSan Sebastián
Sep 8
EAS8:55 amSan Sebastián
18h 45m
1 stop
JFK9:40 pmNew York John F Kennedy Intl
$703
LEVEL
May 12
BOS10:50 pmBoston Logan Intl
27h 45m
1 stop
EAS8:35 amSan Sebastián
May 19
EAS8:55 amSan Sebastián
18h 10m
1 stop
BOS9:05 pmBoston Logan Intl
$757
LEVEL
May 30
BOS10:50 pmBoston Logan Intl
27h 30m
1 stop
EAS8:20 amSan Sebastián
Jun 10
EAS8:55 amSan Sebastián
18h 05m
1 stop
BOS9:00 pmBoston Logan Intl
$813

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 May 5, 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

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 7/26

11:35 pm-5:20 pm

1 stop11h 45m

San Sebastián

Tue 8/11

5:55 pm-9:05 pm

1 stop33h 10m

$710

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 5/12

10:50 pm-8:35 am

1 stop27h 45m

San Sebastián

Tue 5/19

8:55 am-9:05 pm

1 stop18h 10m

$757

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 5/12

8:50 pm-10:35 am

2 stops31h 45m

San Sebastián

Tue 5/19

8:55 am-9:05 pm

1 stop18h 10m

$784

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Fri 5/8

4:55 pm-8:40 am

1 stop9h 45m

San Sebastián

Thu 5/21

9:10 am-10:00 pm

1 stop18h 50m

$806

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sat 5/30

10:50 pm-8:20 am

1 stop27h 30m

San Sebastián

Wed 6/10

8:55 am-9:00 pm

1 stop18h 05m

$813

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 7/29

10:55 pm-5:10 pm

1 stop12h 15m

San Sebastián

Wed 8/12

8:55 am-9:05 pm

1 stop18h 10m

$826

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 9/18

7:30 pm-4:10 pm

1 stop35h 40m

San Sebastián

Fri 9/25

3:25 pm-1:50 pm

1 stop31h 25m

$1,035
Quickest round-trip

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Sun 6/7

3:15 pm-12:35 pm

2 stops14h 20m

San Sebastián

Sun 6/14

9:20 am-2:25 pm

1 stop12h 05m

$1,102

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Mon 5/18

8:01 am-8:40 am

2 stops17h 39m

San Sebastián

Tue 6/2

1:40 pm-5:21 am

2 stops22h 41m

$1,103

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 6/1

5:40 pm-4:55 pm

2 stops17h 15m

San Sebastián

Mon 6/8

1:15 pm-3:50 pm

1 stop32h 35m

$1,124

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 July is, on average, the cheapest month to fly to San Sebastian from United States, with most prices found around $98. If you are unable to visit San Sebastian during the month of July, then departing from United States during the month October is also very affordable. Most momondo users find prices during this month for around $134.

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

You could potentially save up to 9% 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

Fastest flight time

9h 40m

Direct flights

None
The fastest flight from United States to San Sebastian takes 9h 40m
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

Frequently asked questions about flying from the United States to San Sebastian

  • 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
IberiaPriceFrom $72Free CancellationRating
7.0
3,208 reviews
Search Iberia flights
American AirlinesPriceFrom $450Free CancellationRating
7.1
11,668 reviews
Search American Airlines 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.

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