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Cheap flights from San Francisco to San Sebastian from $429

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 9/7. 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 San Francisco to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
5:45 pm - 8:50 pm
SFO
-
EAS
18h 05m
1 stop
Iberia Logo
9:30 pm - 4:10 pm
EAS
-
SFO
27h 40m
1 stop
$927Iberia
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
4:35 pm - 8:40 am
SFO
-
EAS
31h 05m
2 stops
Multiple Airlines Logo
9:30 pm - 4:10 pm
EAS
-
SFO
27h 40m
1 stop
$948Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
12:55 pm - 8:20 am
SFO
-
EAS
34h 25m
3 stops
Multiple Airlines Logo
8:55 am - 10:50 am
EAS
-
SFO
34h 55m
3 stops
$988Multiple Airlines
Mon, May 4 - Mon, May 11
British Airways Logo
11:29 pm - 8:50 pm
SFO
-
EAS
36h 21m
2 stops
British Airways Logo
9:30 pm - 12:59 am
EAS
-
SFO
36h 29m
2 stops
$1,031British Airways
Mon, Jul 20 - Mon, Aug 3
British Airways Logo
1:16 pm - 8:50 pm
SFO
-
EAS
22h 34m
2 stops
British Airways Logo
9:30 pm - 9:16 pm
EAS
-
SFO
32h 46m
2 stops
$1,041British Airways
Fri, Aug 28 - Mon, Oct 19
British Airways Logo
11:30 pm - 8:40 am
SFO
-
EAS
24h 10m
2 stops
British Airways Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$1,069British Airways
Sat, Aug 22 - Wed, Sep 9
Multiple Airlines Logo
12:55 pm - 8:20 am
SFO
-
EAS
34h 25m
3 stops
Multiple Airlines Logo
5:55 pm - 2:35 pm
EAS
-
SFO
29h 40m
2 stops
$1,092Multiple Airlines
Mon, May 4 - Mon, May 11
Iberia Logo
6:10 am - 8:50 pm
SFO
-
EAS
29h 40m
2 stops
Iberia Logo
9:20 am - 10:58 pm
EAS
-
SFO
22h 38m
2 stops
$1,144Iberia
Sat, Aug 22 - Wed, Sep 9
Iberia Logo
6:15 am - 8:40 am
SFO
-
EAS
41h 25m
2 stops
Iberia Logo
9:20 am - 11:59 pm
EAS
-
SFO
23h 39m
2 stops
$1,180Iberia
Wed, May 20 - Wed, May 27
Iberia Logo
5:55 pm - 8:40 am
SFO
-
EAS
29h 45m
1 stop
Iberia Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$1,187Iberia
Sat, Aug 22 - Wed, Sep 9

British Airways flights from San Francisco to San Sebastian

Our best British Airways deals on San Francisco to San Sebastian flight tickets
British Airways
Jul 20
SFO11:29 pmSan Francisco
36h 21m
2 stops
EAS8:50 pmSan Sebastián
Aug 3
EAS9:30 pmSan Sebastián
36h 29m
2 stops
SFO12:59 amSan Francisco
$1,031
British Airways
Aug 28
SFO1:16 pmSan Francisco
22h 34m
2 stops
EAS8:50 pmSan Sebastián
Oct 19
EAS9:30 pmSan Sebastián
32h 46m
2 stops
SFO9:16 pmSan Francisco
$1,041
British Airways
Aug 22
SFO11:30 pmSan Francisco
24h 10m
2 stops
EAS8:40 amSan Sebastián
Sep 9
EAS9:30 pmSan Sebastián
27h 50m
1 stop
SFO4:20 pmSan Francisco
$1,069

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
May 4
SFO5:45 pmSan Francisco
18h 05m
1 stop
EAS8:50 pmSan Sebastián
May 11
EAS9:30 pmSan Sebastián
27h 40m
1 stop
SFO4:10 pmSan Francisco
$927
Iberia
Aug 22
SFO6:10 amSan Francisco
29h 40m
2 stops
EAS8:50 pmSan Sebastián
Sep 9
EAS9:20 amSan Sebastián
22h 38m
2 stops
SFO10:58 pmSan Francisco
$1,144
Iberia
May 20
SFO6:15 amSan Francisco
41h 25m
2 stops
EAS8:40 amSan Sebastián
May 27
EAS9:20 amSan Sebastián
23h 39m
2 stops
SFO11:59 pmSan Francisco
$1,180

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 April 9, 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
Quickest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 5/4

5:45 pm-8:50 pm

1 stop18h 05m

San Sebastián

Mon 5/11

9:30 pm-4:10 pm

1 stop27h 40m

$927

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 5/4

4:35 pm-8:40 am

2 stops31h 05m

San Sebastián

Mon 5/11

9:30 pm-4:10 pm

1 stop27h 40m

$948

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 5/4

12:55 pm-8:20 am

3 stops34h 25m

San Sebastián

Mon 5/11

8:55 am-10:50 am

3 stops34h 55m

$988

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 7/20

11:29 pm-8:50 pm

2 stops36h 21m

San Sebastián

Mon 8/3

9:30 pm-12:59 am

2 stops36h 29m

$1,031

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 8/28

1:16 pm-8:50 pm

2 stops22h 34m

San Sebastián

Mon 10/19

9:30 pm-9:16 pm

2 stops32h 46m

$1,041

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 8/22

11:30 pm-8:40 am

2 stops24h 10m

San Sebastián

Wed 9/9

9:30 pm-4:20 pm

1 stop27h 50m

$1,069

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 5/4

12:55 pm-8:20 am

3 stops34h 25m

San Sebastián

Mon 5/11

5:55 pm-2:35 pm

2 stops29h 40m

$1,092

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 8/22

6:10 am-8:50 pm

2 stops29h 40m

San Sebastián

Wed 9/9

9:20 am-10:58 pm

2 stops22h 38m

$1,144

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 5/20

6:15 am-8:40 am

2 stops41h 25m

San Sebastián

Wed 5/27

9:20 am-11:59 pm

2 stops23h 39m

$1,180

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 8/22

5:55 pm-8:40 am

1 stop29h 45m

San Sebastián

Wed 9/9

9:30 pm-4:20 pm

1 stop27h 50m

$1,187

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 9% 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 25m

Direct flights

None
The fastest flight from San Francisco to San Sebastian takes 17h 25m
There are no direct flights from San Francisco to San Sebastian. There are no popular flight routes from San Francisco to San Sebastian.
Search flight deals

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 25m, 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 $635Free CancellationRating
7.0
3,169 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.1
11,559 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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