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Cheap flights from San Francisco to San Sebastian from $511

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 8/7. 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

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.
Iberia Logo
9:35 pm - 8:40 am
SFO
-
EAS
27h 05m
2 stops
Iberia Logo
9:20 am - 12:43 am
EAS
-
SFO
24h 23m
2 stops
$837Iberia
Mon, Oct 26 - Fri, Nov 6
Iberia Logo
10:29 am - 8:50 pm
SFO
-
EAS
25h 21m
2 stops
Iberia Logo
9:20 am - 8:10 pm
EAS
-
SFO
19h 50m
2 stops
$839Iberia
Sun, Jan 10 - Wed, Jan 20
Iberia Logo
1:28 pm - 8:50 pm
SFO
-
EAS
22h 22m
2 stops
Iberia Logo
9:20 am - 9:39 pm
EAS
-
SFO
21h 19m
2 stops
$900Iberia
Mon, Oct 5 - Fri, Oct 16
Iberia Logo
2:58 pm - 8:40 am
SFO
-
EAS
56h 42m
2 stops
Iberia Logo
1:40 pm - 12:44 am
EAS
-
SFO
20h 04m
2 stops
$916Iberia
Sat, Sep 26 - Tue, Oct 13
Iberia Logo
9:00 am - 5:25 pm
SFO
-
EAS
23h 25m
2 stops
Iberia Logo
9:30 pm - 1:50 pm
EAS
-
SFO
49h 20m
2 stops
$919Iberia
Wed, Sep 23 - Sun, Sep 27
Iberia Logo
5:55 pm - 8:50 pm
SFO
-
EAS
17h 55m
1 stop
Iberia Logo
9:20 am - 11:59 pm
EAS
-
SFO
23h 39m
2 stops
$925Iberia
Sun, Sep 13 - Wed, Sep 23
Iberia Logo
5:55 pm - 8:50 pm
SFO
-
EAS
17h 55m
1 stop
Iberia Logo
6:30 pm - 4:20 pm
EAS
-
SFO
30h 50m
1 stop
$926Iberia
Sun, Sep 13 - Wed, Sep 23
Multiple Airlines Logo
10:31 am - 8:50 pm
SFO
-
EAS
25h 19m
2 stops
Multiple Airlines Logo
9:20 am - 11:28 pm
EAS
-
SFO
23h 08m
2 stops
$930Multiple Airlines
Sun, Sep 13 - Wed, Sep 23
Iberia Logo
5:55 pm - 8:40 am
SFO
-
EAS
29h 45m
1 stop
Iberia Logo
9:30 pm - 12:59 am
EAS
-
SFO
36h 29m
2 stops
$934Iberia
Tue, Sep 8 - Tue, Sep 15
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
$935Multiple Airlines
Sun, Oct 4 - Fri, Oct 16

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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
Sep 8
SFO5:55 pmSan Francisco
29h 45m
1 stop
EAS8:40 amSan Sebastián
Sep 15
EAS9:20 amSan Sebastián
16h 00m
1 stop
SFO4:20 pmSan Francisco
$975
American Airlines
Aug 10
SFO5:05 amSan Francisco
18h 35m
2 stops
EAS8:40 amSan Sebastián
Aug 20
EAS1:40 pmSan Sebastián
19h 31m
2 stops
SFO12:11 amSan Francisco
$1,037
American Airlines
Oct 3
SFO9:29 pmSan Francisco
26h 11m
2 stops
EAS8:40 amSan Sebastián
Oct 20
EAS9:20 amSan Sebastián
22h 39m
2 stops
SFO10:59 pmSan Francisco
$1,120

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
Oct 5
SFO1:28 pmSan Francisco
22h 22m
2 stops
EAS8:50 pmSan Sebastián
Oct 16
EAS9:20 amSan Sebastián
21h 19m
2 stops
SFO9:39 pmSan Francisco
$900
Iberia
Sep 26
SFO2:58 pmSan Francisco
56h 42m
2 stops
EAS8:40 amSan Sebastián
Oct 13
EAS1:40 pmSan Sebastián
20h 04m
2 stops
SFO12:44 amSan Francisco
$916
Iberia
Sep 23
SFO9:00 amSan Francisco
23h 25m
2 stops
EAS5:25 pmSan Sebastián
Sep 27
EAS9:30 pmSan Sebastián
49h 20m
2 stops
SFO1:50 pmSan Francisco
$919

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 19, 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

Mon 10/26

9:35 pm-8:40 am

2 stops27h 05m

San Sebastián

Fri 11/6

9:20 am-12:43 am

2 stops24h 23m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 1/10

10:29 am-8:50 pm

2 stops25h 21m

San Sebastián

Wed 1/20

9:20 am-8:10 pm

2 stops19h 50m

$839

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 10/5

1:28 pm-8:50 pm

2 stops22h 22m

San Sebastián

Fri 10/16

9:20 am-9:39 pm

2 stops21h 19m

$900

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 9/26

2:58 pm-8:40 am

2 stops56h 42m

San Sebastián

Tue 10/13

1:40 pm-12:44 am

2 stops20h 04m

$916

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 9/23

9:00 am-5:25 pm

2 stops23h 25m

San Sebastián

Sun 9/27

9:30 pm-1:50 pm

2 stops49h 20m

$919
Quickest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/13

5:55 pm-8:50 pm

1 stop17h 55m

San Sebastián

Wed 9/23

9:20 am-11:59 pm

2 stops23h 39m

$925

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/13

5:55 pm-8:50 pm

1 stop17h 55m

San Sebastián

Wed 9/23

6:30 pm-4:20 pm

1 stop30h 50m

$926

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/13

10:31 am-8:50 pm

2 stops25h 19m

San Sebastián

Wed 9/23

9:20 am-11:28 pm

2 stops23h 08m

$930

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/8

5:55 pm-8:40 am

1 stop29h 45m

San Sebastián

Tue 9/15

9:30 pm-12:59 am

2 stops36h 29m

$934

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 10/4

7:30 pm-8:40 am

2 stops28h 10m

San Sebastián

Fri 10/16

1:40 pm-12:44 am

2 stops20h 04m

$935

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 42% 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.
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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 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 $474Free CancellationRating
7.0
3,257 reviews
Search Iberia 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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