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Flights to San Sebastián

$323 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 5/3. 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

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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
9:20 pm - 8:40 am
BOS
-
EAS
29h 20m
1 stop
Iberia Logo
9:30 pm - 7:50 pm
EAS
-
BOS
28h 20m
1 stop
$472Iberia
Sun, Apr 19 - Tue, Apr 28
Iberia Logo
9:20 pm - 1:00 pm
BOS
-
EAS
9h 40m
1 stop
Iberia Logo
9:20 am - 11:52 pm
EAS
-
BOS
20h 32m
2 stops
$487Iberia
Mon, Apr 27 - Tue, May 5
Iberia Logo
5:40 pm - 1:00 pm
BOS
-
EAS
13h 20m
1 stop
Iberia Logo
9:30 pm - 4:10 pm
EAS
-
BOS
24h 40m
1 stop
$488Iberia
Mon, Apr 27 - Tue, May 5
American Airlines Logo
11:34 am - 8:40 am
BOS
-
EAS
15h 06m
2 stops
American Airlines Logo
9:20 am - 6:48 pm
EAS
-
BOS
15h 28m
2 stops
$491American Airlines
Mon, Apr 27 - Tue, May 5
Iberia Logo
11:34 am - 8:40 am
BOS
-
EAS
15h 06m
2 stops
Iberia Logo
9:30 pm - 4:10 pm
EAS
-
BOS
24h 40m
1 stop
$492Iberia
Tue, Apr 28 - Tue, May 5
Iberia Logo
10:50 pm - 8:35 am
BOS
-
EAS
27h 45m
1 stop
Iberia Logo
1:40 pm - 4:10 pm
EAS
-
BOS
32h 30m
1 stop
$496Iberia
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
12:20 am - 8:40 am
EWR
-
EAS
26h 20m
3 stops
Multiple Airlines Logo
9:20 am - 11:10 pm
EAS
-
EWR
18h 50m
2 stops
$504Multiple Airlines
Sun, Feb 22 - Wed, Mar 11
American Airlines Logo
11:34 am - 8:40 am
BOS
-
EAS
15h 06m
2 stops
American Airlines Logo
1:40 pm - 11:52 pm
EAS
-
BOS
16h 12m
2 stops
$516American Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
12:20 am - 8:40 am
EWR
-
EAS
26h 20m
3 stops
Multiple Airlines Logo
9:20 am - 11:00 pm
EAS
-
EWR
42h 40m
3 stops
$516Multiple Airlines
Sun, Feb 22 - Wed, Mar 11
LEVEL Logo
7:40 pm - 8:20 am
SFO
-
EAS
27h 40m
1 stop
LEVEL Logo
5:55 pm - 5:55 pm
EAS
-
SFO
33h 00m
1 stop
$824LEVEL
Sun, Mar 29 - Mon, Apr 13

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 February 8, 2026.
Use the filters below to find and compare flights to San Sebastian that are best for you.

Fly from

Route

Depart

Return

Price

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 4/19

9:20 pm-8:40 am

1 stop29h 20m

San Sebastián

Tue 4/28

9:30 pm-7:50 pm

1 stop28h 20m

$472

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 4/27

9:20 pm-1:00 pm

1 stop9h 40m

San Sebastián

Tue 5/5

9:20 am-11:52 pm

2 stops20h 32m

$487

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 4/27

5:40 pm-1:00 pm

1 stop13h 20m

San Sebastián

Tue 5/5

9:30 pm-4:10 pm

1 stop24h 40m

$488

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 4/27

11:34 am-8:40 am

2 stops15h 06m

San Sebastián

Tue 5/5

9:20 am-6:48 pm

2 stops15h 28m

$491

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 4/28

11:34 am-8:40 am

2 stops15h 06m

San Sebastián

Tue 5/5

9:30 pm-4:10 pm

1 stop24h 40m

$492

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 4/28

10:50 pm-8:35 am

1 stop27h 45m

San Sebastián

Tue 5/5

1:40 pm-4:10 pm

1 stop32h 30m

$496

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 2/22

12:20 am-8:40 am

3 stops26h 20m

San Sebastián

Wed 3/11

9:20 am-11:10 pm

2 stops18h 50m

$504

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 4/27

11:34 am-8:40 am

2 stops15h 06m

San Sebastián

Mon 5/4

1:40 pm-11:52 pm

2 stops16h 12m

$516

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Sun 2/22

12:20 am-8:40 am

3 stops26h 20m

San Sebastián

Wed 3/11

9:20 am-11:00 pm

3 stops42h 40m

$516

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 3/29

7:40 pm-8:20 am

1 stop27h 40m

San Sebastián

Mon 4/13

5:55 pm-5:55 pm

1 stop33h 00m

$824

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to San Sebastian from

San Sebastian flights insights and trends

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

How long does it take to fly to San Sebastian?

On average, it takes 14h to fly from United States to San Sebastian if you fly out of Los Angeles (the most popular airport in United States) and into Bilbao (the most popular airport in San Sebastian). If you’re flying out of Miami and into Bilbao, then the flight time is around 12h 15m.

Cheapest flights to San Sebastián

Find the cheapest flights to San Sebastián from your nearest city or airport
Find flights from Los Angeles to San Sebastian
CHEAPEST MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELESJanuary47% cheaperFlying from Los Angeles to San Sebastian costs on average just $567 in January
MOST EXPENSIVE MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELESFebruary67% more expensiveIt costs about $1,780 for flights to San Sebastian from Los Angeles in February
MOST POPULAR MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELESJuly550% more users visitedMore momondo users searched in flights to San Sebastian from Los Angeles in July than any other month

Cheap San Sebastian flight deals and tips

Summary info about San Sebastian flight prices, duration and airlines

Best One-Way Price

$323

Best Round-Trip Price

$472

Fastest flight time

19h 40m

Popular in

July
The best one-way flight price to San Sebastian from United States in the last 72 hours is $323 (New York John F Kennedy Intl to San Sebastián).
Search Deals
The best round-trip flight price to San Sebastian from United States in the last 72 hours is $472 (Boston Logan Intl to San Sebastián).
Search Deals
The fastest flight to San Sebastian from United States takes 19h 40m (Miami to San Sebastián).
Search Deals
July has the highest demand for flights to San Sebastian, with a 22% price increase on average.
Search Deals

Frequently asked questions about flying to San Sebastian

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 September is also very affordable. Most momondo users find prices during this month for around $697.

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 $35. 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 $30/pp from Valencia, which is 83% 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 February 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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