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Cheap flights from San Francisco to San Sebastian from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Sebastian departing on 8/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:10 am - 5:20 pm
SFO
-
EAS
24h 10m
2 stops
Multiple Airlines Logo
5:55 pm - 2:35 pm
EAS
-
SFO
29h 40m
2 stops
$884Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
4:30 pm - 8:20 am
SFO
-
EAS
30h 50m
3 stops
Multiple Airlines Logo
5:55 pm - 2:30 pm
EAS
-
SFO
29h 35m
3 stops
$889Multiple Airlines
Mon, Aug 10 - Tue, Aug 25
Multiple Airlines Logo
6:40 am - 5:20 pm
SFO
-
EAS
25h 40m
3 stops
Multiple Airlines Logo
5:55 pm - 2:35 pm
EAS
-
SFO
29h 40m
2 stops
$891Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
American Airlines Logo
5:05 am - 8:40 am
SFO
-
EAS
18h 35m
2 stops
American Airlines Logo
9:20 am - 8:18 pm
EAS
-
SFO
19h 58m
2 stops
$921American Airlines
Mon, Aug 10 - Tue, Aug 25
Iberia Logo
6:15 pm - 8:50 pm
SFO
-
EAS
17h 35m
1 stop
Iberia Logo
9:20 am - 11:59 pm
EAS
-
SFO
23h 39m
2 stops
$926Iberia
Mon, Aug 24 - Wed, Oct 21
Multiple Airlines Logo
6:15 pm - 8:40 am
SFO
-
EAS
29h 25m
1 stop
Multiple Airlines Logo
9:20 am - 8:33 pm
EAS
-
SFO
20h 13m
2 stops
$930Multiple Airlines
Mon, Aug 10 - Tue, Aug 25
British Airways Logo
2:48 pm - 8:50 pm
SFO
-
EAS
21h 02m
2 stops
British Airways Logo
1:40 pm - 12:44 am
EAS
-
SFO
20h 04m
2 stops
$931British Airways
Mon, Aug 24 - Wed, Oct 21
Multiple Airlines Logo
7:30 pm - 8:40 am
SFO
-
EAS
28h 10m
2 stops
Multiple Airlines Logo
1:40 pm - 12:44 am
EAS
-
SFO
20h 04m
2 stops
$941Multiple Airlines
Sun, Aug 23 - Tue, Oct 20
British Airways Logo
2:48 pm - 8:50 pm
SFO
-
EAS
21h 02m
2 stops
British Airways Logo
1:40 pm - 12:44 am
EAS
-
SFO
20h 04m
2 stops
$942British Airways
Tue, Aug 25 - Tue, Oct 20
Multiple Airlines Logo
5:40 pm - 8:40 am
SFO
-
EAS
30h 00m
2 stops
Multiple Airlines Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$944Multiple Airlines
Tue, Aug 25 - Sat, Sep 5

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American Airlines flights from San Francisco to San Sebastian

Our best American Airlines deals on San Francisco to San Sebastian flight tickets
American Airlines
Aug 10
SFO5:05 amSan Francisco
18h 35m
2 stops
EAS8:40 amSan Sebastián
Aug 25
EAS9:20 amSan Sebastián
19h 58m
2 stops
SFO8:18 pmSan Francisco
$921
American Airlines
Sep 15
SFO5:55 pmSan Francisco
14h 40m
1 stop
EAS5:35 pmSan Sebastián
Sep 26
EAS1:40 pmSan Sebastián
20h 19m
2 stops
SFO12:59 amSan Francisco
$975
American Airlines
Aug 18
SFO6:20 amSan Francisco
17h 20m
2 stops
EAS8:40 amSan Sebastián
Aug 25
EAS9:20 amSan Sebastián
16h 00m
1 stop
SFO4:20 pmSan Francisco
$976

Finnair flights from San Francisco to San Sebastian

Our best Finnair deals on San Francisco to San Sebastian flight tickets
Finnair
Aug 26
SFO8:45 amSan Francisco
19h 15m
2 stops
EAS1:00 pmSan Sebastián
Sep 4
EAS9:20 amSan Sebastián
24h 39m
2 stops
SFO12:59 amSan Francisco
$1,051
Finnair
Aug 10
SFO6:15 pmSan Francisco
29h 25m
1 stop
EAS8:40 amSan Sebastián
Aug 25
EAS9:20 amSan Sebastián
23h 25m
2 stops
SFO11:45 pmSan Francisco
$1,144
Finnair
Aug 22
SFO12:51 pmSan Francisco
34h 49m
2 stops
EAS8:40 amSan Sebastián
Oct 20
EAS9:20 amSan Sebastián
23h 39m
2 stops
SFO11:59 pmSan Francisco
$1,192

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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 July 4, 2026.
Use the filters below to find and compare flights from San Francisco to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/18

8:10 am-5:20 pm

2 stops24h 10m

San Sebastián

Tue 8/25

5:55 pm-2:35 pm

2 stops29h 40m

$884

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/10

4:30 pm-8:20 am

3 stops30h 50m

San Sebastián

Tue 8/25

5:55 pm-2:30 pm

3 stops29h 35m

$889

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/18

6:40 am-5:20 pm

3 stops25h 40m

San Sebastián

Tue 8/25

5:55 pm-2:35 pm

2 stops29h 40m

$891
Quickest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/10

5:05 am-8:40 am

2 stops18h 35m

San Sebastián

Tue 8/25

9:20 am-8:18 pm

2 stops19h 58m

$921

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/24

6:15 pm-8:50 pm

1 stop17h 35m

San Sebastián

Wed 10/21

9:20 am-11:59 pm

2 stops23h 39m

$926

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/10

6:15 pm-8:40 am

1 stop29h 25m

San Sebastián

Tue 8/25

9:20 am-8:33 pm

2 stops20h 13m

$930

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/24

2:48 pm-8:50 pm

2 stops21h 02m

San Sebastián

Wed 10/21

1:40 pm-12:44 am

2 stops20h 04m

$931

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 8/23

7:30 pm-8:40 am

2 stops28h 10m

San Sebastián

Tue 10/20

1:40 pm-12:44 am

2 stops20h 04m

$941

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/25

2:48 pm-8:50 pm

2 stops21h 02m

San Sebastián

Tue 10/20

1:40 pm-12:44 am

2 stops20h 04m

$942

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/25

5:40 pm-8:40 am

2 stops30h 00m

San Sebastián

Sat 9/5

9:30 pm-4:20 pm

1 stop27h 50m

$944

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 San Francisco 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

Can stopping save me money on San Francisco to San Sebastian flights?

You could potentially save up to 18% on your flight if you consider stops on a San Francisco to San Sebastian flight.

When to book flights from San Francisco to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to San Sebastian (SFO to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Sebastian

Fastest flight time

17h 55m

Direct flights

None
The fastest flight from San Francisco to San Sebastian takes 17h 55m
There are no direct flights from San Francisco to San Sebastian. There are no popular flight routes from San Francisco to San Sebastian.
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Frequently asked questions about flying from San Francisco to San Sebastian

  • How far is San Francisco to San Sebastián by plane?

    The distance between San Francisco and San Sebastián is about 5702.3 mi. Flights usually cover this in 17h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Francisco Airport to San Sebastián Airport refresh daily.

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

  • How old do you have to be to fly from San Francisco Airport to San Sebastián Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport 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.

  • What is the most popular airline from San Francisco to San Sebastian?

Best airlines flying from San Francisco to San Sebastian

Compare and see reviews for airlines that fly from San Francisco to San Sebastian with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $474Free CancellationRating
7.0
3,250 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.1
11,767 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 San Francisco to San Sebastian?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to San Sebastian for you.

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

momondo does allow users to show only those flights to San Sebastian from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco 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 help filter your options to help you make an informed choice when booking flights to San Sebastian from San Francisco.

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

Yes. momondo can track prices for San Francisco to San Sebastian flights 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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