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Flights to San Sebastián

$243 Cheap flights to San Sebastian

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Sebastian departing on 7/26. 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

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Find the cheapest flights from the United States to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$631Iberia
Sun, Sep 27 - Wed, Oct 7
Iberia Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Iberia Logo
8:55 am - 9:45 pm
EAS
-
BOS
18h 50m
1 stop
$637Iberia
Sun, Sep 27 - Sun, Oct 11
Iberia Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Iberia Logo
5:55 pm - 9:05 pm
EAS
-
BOS
33h 10m
1 stop
$640Iberia
Sun, Sep 27 - Tue, Oct 6
Multiple Airlines Logo
11:35 pm - 8:20 am
BOS
-
EAS
26h 45m
1 stop
Multiple Airlines Logo
9:10 am - 9:05 pm
EAS
-
BOS
17h 55m
1 stop
$647Multiple Airlines
Sun, Sep 27 - Thu, Oct 8
Multiple Airlines Logo
10:55 pm - 5:25 pm
BOS
-
EAS
12h 30m
1 stop
Multiple Airlines Logo
8:55 am - 9:05 pm
EAS
-
BOS
18h 10m
1 stop
$689Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:30 pm - 5:20 pm
JFK
-
EAS
14h 50m
2 stops
Multiple Airlines Logo
8:55 am - 10:05 pm
EAS
-
JFK
19h 10m
2 stops
$698Multiple Airlines
Fri, Oct 9 - Tue, Oct 13
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
American Airlines Logo
11:37 am - 8:40 am
ORD
-
EAS
14h 03m
2 stops
American Airlines Logo
9:20 am - 7:35 pm
EAS
-
ORD
17h 15m
2 stops
$839American Airlines
Wed, Sep 30 - Wed, Oct 7
British Airways Logo
5:50 pm - 8:50 pm
LAX
-
EAS
18h 00m
1 stop
British Airways Logo
9:30 pm - 4:05 pm
EAS
-
LAX
27h 35m
1 stop
$876British Airways
Mon, Sep 21 - Thu, Oct 22
American Airlines Logo
8:00 am - 1:00 pm
LAX
-
EAS
20h 00m
2 stops
American Airlines Logo
1:40 pm - 11:57 pm
EAS
-
LAX
19h 17m
2 stops
$879American Airlines
Mon, Sep 21 - Thu, Oct 22

momondo Fare Finder

 
Locate flights to San Sebastián that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on June 18, 2026.
Use the filters below to find and compare flights to San Sebastian that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/27

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Wed 10/7

8:55 am-9:05 pm

1 stop18h 10m

$631

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/27

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Sun 10/11

8:55 am-9:45 pm

1 stop18h 50m

$637

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/27

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Tue 10/6

5:55 pm-9:05 pm

1 stop33h 10m

$640

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/27

11:35 pm-8:20 am

1 stop26h 45m

San Sebastián

Thu 10/8

9:10 am-9:05 pm

1 stop17h 55m

$647
Quickest round-trip

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 9/30

10:55 pm-5:25 pm

1 stop12h 30m

San Sebastián

Wed 10/7

8:55 am-9:05 pm

1 stop18h 10m

$689

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Fri 10/9

8:30 pm-5:20 pm

2 stops14h 50m

San Sebastián

Tue 10/13

8:55 am-10:05 pm

2 stops19h 10m

$698

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

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Wed 9/30

11:37 am-8:40 am

2 stops14h 03m

San Sebastián

Wed 10/7

9:20 am-7:35 pm

2 stops17h 15m

$839

Los AngelesSan Sebastian

LAX - EAS

LAXEAS

Los Angeles

Mon 9/21

5:50 pm-8:50 pm

1 stop18h 00m

San Sebastián

Thu 10/22

9:30 pm-4:05 pm

1 stop27h 35m

$876

Los AngelesSan Sebastian

LAX - EAS

LAXEAS

Los Angeles

Mon 9/21

8:00 am-1:00 pm

2 stops20h 00m

San Sebastián

Thu 10/22

1:40 pm-11:57 pm

2 stops19h 17m

$879

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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San Sebastian flights insights and trends

Explore insights for your San Sebastian flight to craft the best travel plan

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 $681. If you are unable to visit San Sebastian during the month of October, then departing from United States during the month March is also very affordable. Most momondo users find prices during this month for around $692.

Cheapest flights to San Sebastián

Find the cheapest flights to San Sebastián from your nearest city or airport

Cheap San Sebastian flight deals and tips

Summary info about San Sebastian flight prices, duration and airlines

Best One-Way Price

$243

Best Round-Trip Price

$631

Fastest flight time

17h 15m

Popular in

July
The best one-way flight price to San Sebastian from United States in the last 5 days is $243 (New York John F Kennedy Intl to San Sebastián).
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The best round-trip flight price to San Sebastian from United States in the last 5 days is $631 (Boston Logan Intl to San Sebastián).
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The fastest flight to San Sebastian from United States takes 17h 15m (Boston Logan Intl to San Sebastián).
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July has the highest demand for flights to San Sebastian, with a 21% price increase on average.
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Frequently asked questions about flying to San Sebastian

Is there an alternative airport near San Sebastian?

San Sebastián Airport, Pamplona Airport, Vitoria-Gasteiz Airport, Logroño Agoncillo Airport or Santander Airport can be an alternative airport used for travel to San Sebastian.

Is there a cheaper alternative to flying into San Sebastian?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in San Sebastian is Vitoria-Gasteiz Airport where the average price is $72. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to San Sebastian?

The best price found on momondo to San Sebastian was $22/pp from Porto, which is 85% cheaper than the average flight price to San Sebastian. To find the cheapest price to San Sebastian from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Sebastián Airport?

Prices for flights to San Sebastián Airport refresh daily.

How many operators does momondo search for flights to San Sebastián Airport?

The number of operators available for flights to San Sebastián Airport is 3 as of June 2026.

How old do you have to be to fly 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 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.

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 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.

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

All flight searches to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to San Sebastian?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to San Sebastian.

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

Yes. momondo can track flight prices for San Sebastian and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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