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Cheap flights from the United States to San Sebastian from $268

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 7/15. 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
1 adult, Economy, 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.
Multiple Airlines Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Multiple Airlines Logo
5:55 pm - 9:05 pm
EAS
-
BOS
33h 10m
1 stop
$631Multiple Airlines
Sun, Aug 16 - Wed, Sep 16
Multiple Airlines Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Multiple Airlines Logo
10:10 am - 9:05 pm
EAS
-
BOS
16h 55m
2 stops
$719Multiple Airlines
Sun, Aug 16 - Wed, Sep 16
Multiple Airlines Logo
8:30 pm - 8:20 am
JFK
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
5:55 pm - 8:05 pm
EAS
-
JFK
32h 10m
2 stops
$751Multiple Airlines
Wed, Sep 9 - Sat, Sep 19
Multiple Airlines Logo
8:25 pm - 8:20 am
EWR
-
EAS
29h 55m
3 stops
Multiple Airlines Logo
5:55 pm - 3:30 pm
EAS
-
EWR
27h 35m
2 stops
$763Multiple Airlines
Wed, Sep 9 - Sat, Sep 19
Iberia Logo
8:25 pm - 5:35 pm
IAD
-
EAS
15h 10m
1 stop
Iberia Logo
1:40 pm - 6:50 pm
EAS
-
IAD
11h 10m
1 stop
$827Iberia
Tue, Sep 22 - Tue, Sep 29
Iberia Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Iberia Logo
8:55 am - 9:05 pm
EAS
-
BOS
18h 10m
1 stop
$830Iberia
Sun, Oct 4 - Wed, Oct 7
British Airways Logo
4:55 pm - 8:50 pm
ORD
-
EAS
20h 55m
1 stop
British Airways Logo
9:30 pm - 4:00 pm
EAS
-
ORD
25h 30m
1 stop
$838British Airways
Mon, Sep 28 - Mon, Oct 5
British Airways Logo
5:50 pm - 1:00 pm
IAD
-
EAS
13h 10m
1 stop
British Airways Logo
9:30 pm - 4:20 pm
EAS
-
IAD
24h 50m
1 stop
$838British Airways
Wed, Nov 25 - Wed, Dec 2
American Airlines Logo
6:05 am - 8:40 am
LAX
-
EAS
17h 35m
2 stops
American Airlines Logo
1:40 pm - 12:18 am
EAS
-
LAX
19h 38m
2 stops
$879American Airlines
Mon, Sep 21 - Thu, Oct 22
American Airlines Logo
2:45 pm - 1:00 pm
LGA
-
EAS
16h 15m
2 stops
American Airlines Logo
9:20 am - 8:53 pm
EAS
-
LGA
17h 33m
2 stops
$894American Airlines
Tue, Oct 6 - Tue, Oct 13

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American Airlines flights from United States to San Sebastian

Our best American Airlines deals on United States to San Sebastian flight tickets
American Airlines
Sep 21
LAX6:05 amLos Angeles
17h 35m
2 stops
EAS8:40 amSan Sebastián
Oct 22
EAS1:40 pmSan Sebastián
19h 38m
2 stops
LAX12:18 amLos Angeles
$879
American Airlines
Oct 6
EWR10:29 amNewark
16h 11m
2 stops
EAS8:40 amSan Sebastián
Oct 13
EAS1:40 pmSan Sebastián
14h 45m
1 stop
EWR10:25 pmNewark
$884
American Airlines
Sep 21
JFK4:55 pmNew York John F Kennedy Intl
9h 45m
1 stop
EAS8:40 amSan Sebastián
Oct 26
EAS9:30 pmSan Sebastián
23h 45m
1 stop
JFK4:15 pmNew York John F Kennedy Intl
$890

Iberia flights from United States to San Sebastian

Our best Iberia deals on United States to San Sebastian flight tickets
Iberia
Sep 22
IAD8:25 pmWashington, D.C. Dulles Intl
15h 10m
1 stop
EAS5:35 pmSan Sebastián
Sep 29
EAS1:40 pmSan Sebastián
11h 10m
1 stop
IAD6:50 pmWashington, D.C. Dulles Intl
$827
Iberia
Oct 4
BOS11:35 pmBoston Logan Intl
26h 45m
1 stop
EAS8:20 amSan Sebastián
Oct 7
EAS8:55 amSan Sebastián
18h 10m
1 stop
BOS9:05 pmBoston Logan Intl
$830
Iberia
Sep 28
ORD4:55 pmChicago O'Hare Intl
20h 55m
1 stop
EAS8:50 pmSan Sebastián
Oct 5
EAS9:30 pmSan Sebastián
23h 55m
1 stop
ORD2:25 pmChicago O'Hare Intl
$837

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 June 23, 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 8/16

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Wed 9/16

5:55 pm-9:05 pm

1 stop33h 10m

$631

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 8/16

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Wed 9/16

10:10 am-9:05 pm

2 stops16h 55m

$719

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Wed 9/9

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Sat 9/19

5:55 pm-8:05 pm

2 stops32h 10m

$751

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Wed 9/9

8:25 pm-8:20 am

3 stops29h 55m

San Sebastián

Sat 9/19

5:55 pm-3:30 pm

2 stops27h 35m

$763
Quickest round-trip

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Tue 9/22

8:25 pm-5:35 pm

1 stop15h 10m

San Sebastián

Tue 9/29

1:40 pm-6:50 pm

1 stop11h 10m

$827

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/4

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Wed 10/7

8:55 am-9:05 pm

1 stop18h 10m

$830

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Mon 9/28

4:55 pm-8:50 pm

1 stop20h 55m

San Sebastián

Mon 10/5

9:30 pm-4:00 pm

1 stop25h 30m

$838

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 11/25

5:50 pm-1:00 pm

1 stop13h 10m

San Sebastián

Wed 12/2

9:30 pm-4:20 pm

1 stop24h 50m

$838

Los AngelesSan Sebastian

LAX - EAS

LAXEAS

Los Angeles

Mon 9/21

6:05 am-8:40 am

2 stops17h 35m

San Sebastián

Thu 10/22

1:40 pm-12:18 am

2 stops19h 38m

$879

New YorkSan Sebastian

LGA - EAS

LGAEAS

New York LaGuardia

Tue 10/6

2:45 pm-1:00 pm

2 stops16h 15m

San Sebastián

Tue 10/13

9:20 am-8:53 pm

2 stops17h 33m

$894

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 2% 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 35m

Direct flights

None
The fastest flight from United States to San Sebastian takes 9h 35m
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
3,245 reviews
Search Iberia flights
American AirlinesPriceFrom $447Free CancellationRating
7.1
11,741 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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