Which airlines fly to San Sebastian?

There may be other airlines that fly to San Sebastian from United States, but the most popular among our users are Iberia, United Airlines, Lufthansa and Delta. These airlines should offer flights to San Sebastian on a routine basis if you’re flying from one of the more popular airports in United States.

American Airlines Flights to San Sebastian

15 American Airlines flights head to San Sebastian on average each week. Most will be flying from Madrid Barajas to San Sebastian, the most popular route that American Airlines operates to San Sebastian. Prices vary based on when and where you fly from - the cheapest American Airlines flight to San Sebastian found in the past 3 days on momondo was $450, departing from Boston Logan Intl. American Airlines is the most popular choice on momondo for this route and has been scored 7.2/10 by 11,050 of our users.

Iberia Flights to San Sebastian

Another popular choice for flights to San Sebastian is Iberia (7.0/10, 3,010 reviews). Most Iberia flights landing in San Sebastian will be arriving from Madrid Barajas, but there are 19 Iberia flights to San Sebastian from all departure points globally so prices can vary significantly. The best Iberia deal found on momondo this week was $461 (Boston Logan Intl to San Sebastian, round-trip).

How long does it take to fly to San Sebastian?

On average, it takes 17h 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 17h 20m.

$445 Cheap Flights to San Sebastian in 2025/26

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Find the cheapest flights from the United States to San Sebastian

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4:45 pm - 1:00 pmBOS-EAS

14h 15m1 stop

2:05 pm - 8:55 pmEAS-BOS

12h 50m1 stop

$445Iberia

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Mon, Jan 19 - Tue, Jan 27

9:20 pm - 8:50 pmBOS-EAS

17h 30m1 stop

9:20 am - 7:50 pmEAS-BOS

16h 30m1 stop

$447Iberia

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Sun, Feb 22 - Wed, Mar 4

3:35 pm - 1:00 pmBOS-EAS

15h 25m2 stops

9:20 am - 3:15 pmEAS-BOS

11h 55m1 stop

$452American Airlines

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Mon, Jan 19 - Tue, Jan 27

12:16 pm - 8:40 amBOS-EAS

14h 24m2 stops

1:40 pm - 10:56 pmEAS-BOS

15h 16m2 stops

$462American Airlines

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Mon, Jan 19 - Tue, Jan 27

5:00 pm - 1:00 pmJFK-EAS

14h 00m1 stop

9:30 pm - 7:15 pmEAS-JFK

27h 45m1 stop

$483Iberia

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Tue, Nov 25 - Tue, Dec 2

4:45 pm - 8:40 amBOS-EAS

9h 55m1 stop

1:40 pm - 7:50 pmEAS-BOS

12h 10m1 stop

$492Iberia

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Sun, Feb 8 - Sun, Feb 15

9:20 pm - 8:50 pmBOS-EAS

17h 30m1 stop

9:20 am - 4:10 pmEAS-BOS

12h 50m1 stop

$497Iberia

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Mon, Apr 20 - Thu, Apr 30

12:16 pm - 8:40 amBOS-EAS

14h 24m2 stops

9:20 am - 7:50 pmEAS-BOS

16h 30m1 stop

$502American Airlines

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Sun, Feb 8 - Sun, Feb 15

6:00 am - 8:40 amBOS-EAS

20h 40m2 stops

1:40 pm - 10:52 pmEAS-BOS

15h 12m2 stops

$512American Airlines

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Sun, Feb 8 - Sun, Feb 15

6:30 pm - 8:50 pmEWR-EAS

20h 20m2 stops

9:20 am - 1:50 pmEAS-EWR

34h 30m2 stops

$537Multiple Airlines

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Mon, Feb 23 - Thu, Feb 26

Fly from

Route

Depart

Return

Price

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 1/19

4:45 pm-1:00 pm

1 stop14h 15m

San Sebastián

Tue 1/27

2:05 pm-8:55 pm

1 stop12h 50m

$445

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 2/22

9:20 pm-8:50 pm

1 stop17h 30m

San Sebastián

Wed 3/4

9:20 am-7:50 pm

1 stop16h 30m

$447

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 1/19

3:35 pm-1:00 pm

2 stops15h 25m

San Sebastián

Tue 1/27

9:20 am-3:15 pm

1 stop11h 55m

$452

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 1/19

12:16 pm-8:40 am

2 stops14h 24m

San Sebastián

Tue 1/27

1:40 pm-10:56 pm

2 stops15h 16m

$462

New YorkSan Sebastian

JFK - EAS

JFKEAS

New York John F Kennedy Intl

Tue 11/25

5:00 pm-1:00 pm

1 stop14h 00m

San Sebastián

Tue 12/2

9:30 pm-7:15 pm

1 stop27h 45m

$483

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 2/8

4:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Sun 2/15

1:40 pm-7:50 pm

1 stop12h 10m

$492

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 4/20

9:20 pm-8:50 pm

1 stop17h 30m

San Sebastián

Thu 4/30

9:20 am-4:10 pm

1 stop12h 50m

$497

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 2/8

12:16 pm-8:40 am

2 stops14h 24m

San Sebastián

Sun 2/15

9:20 am-7:50 pm

1 stop16h 30m

$502

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 2/8

6:00 am-8:40 am

2 stops20h 40m

San Sebastián

Sun 2/15

1:40 pm-10:52 pm

2 stops15h 12m

$512

NewarkSan Sebastian

EWR - EAS

EWREAS

Newark

Mon 2/23

6:30 pm-8:50 pm

2 stops20h 20m

San Sebastián

Thu 2/26

9:20 am-1:50 pm

2 stops34h 30m

$537

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Sebastian flights insights and trends

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

Prices

Other information

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 $643. 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.

Cheapest flights to San Sebastián

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

Find flights from Los Angeles to Bilbao

CHEAPEST MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELES	August	31% cheaper	Flying from Los Angeles to San Sebastian costs on average just $737 in August
MOST EXPENSIVE MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELES	February	68% more expensive	It costs about $1,780 for flights to San Sebastian from Los Angeles in February
MOST POPULAR MONTH TO FLY TO SAN SEBASTIAN FROM LOS ANGELES	June	650% more users visited	More momondo users searched in flights to San Sebastian from Los Angeles in June 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	$490
Best Round-Trip Price	$445
Fastest flight time	12h 20m
Popular in	July

The best one-way flight price to San Sebastian from United States in the last 72 hours is $490 (Chicago O'Hare Intl to San Sebastián).

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The best round-trip flight price to San Sebastian from United States in the last 72 hours is $445 (Boston Logan Intl to San Sebastián).

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The fastest flight to San Sebastian from United States takes 12h 20m (Chicago O'Hare Intl to San Sebastián).

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July has the highest demand for flights to San Sebastian, with a 23% 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 Pamplona Airport where the average price is $30. 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 Porto, which is 77% 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 November 2025.

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.

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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.