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Cheap flights from San Francisco to San Sebastian from $438

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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:30 pm - 8:40 am
SFO
-
EAS
28h 10m
2 stops
Iberia Logo
9:20 am - 12:39 am
EAS
-
SFO
24h 19m
2 stops
$868Iberia
Mon, Sep 14 - Thu, Sep 24
Iberia Logo
7:30 am - 8:50 pm
SFO
-
EAS
28h 20m
2 stops
Iberia Logo
9:30 pm - 9:07 pm
EAS
-
SFO
32h 37m
2 stops
$870Iberia
Wed, Oct 21 - Tue, Nov 3
Iberia Logo
7:30 pm - 8:40 am
SFO
-
EAS
28h 10m
2 stops
Iberia Logo
9:30 pm - 12:12 am
EAS
-
SFO
35h 42m
2 stops
$899Iberia
Tue, Sep 22 - Sat, Oct 3
Iberia Logo
5:55 pm - 8:40 am
SFO
-
EAS
29h 45m
1 stop
Iberia Logo
9:30 pm - 12:12 am
EAS
-
SFO
35h 42m
2 stops
$906Iberia
Tue, Sep 22 - Sat, Oct 3
Iberia Logo
6:45 am - 8:50 pm
SFO
-
EAS
29h 05m
2 stops
Iberia Logo
9:30 pm - 10:51 pm
EAS
-
SFO
34h 21m
2 stops
$972Iberia
Mon, Aug 3 - Mon, Aug 10
Iberia Logo
7:30 pm - 8:20 am
SFO
-
EAS
27h 50m
2 stops
Iberia Logo
9:30 pm - 10:51 pm
EAS
-
SFO
34h 21m
2 stops
$1,031Iberia
Mon, Jul 27 - Mon, Aug 10
Iberia Logo
7:30 pm - 8:20 am
SFO
-
EAS
27h 50m
2 stops
Iberia Logo
9:20 am - 4:20 pm
EAS
-
SFO
16h 00m
1 stop
$1,078Iberia
Mon, Sep 14 - Thu, Sep 24
Iberia Logo
1:29 pm - 8:50 pm
SFO
-
EAS
22h 21m
2 stops
Iberia Logo
9:20 am - 9:26 pm
EAS
-
SFO
21h 06m
2 stops
$1,091Iberia
Sun, Oct 4 - Wed, Oct 14
Multiple Airlines Logo
8:10 am - 5:20 pm
SFO
-
EAS
24h 10m
2 stops
Multiple Airlines Logo
5:55 pm - 8:51 pm
EAS
-
SFO
35h 56m
3 stops
$1,115Multiple Airlines
Mon, Jul 27 - Mon, Aug 10
Multiple Airlines Logo
4:35 pm - 8:20 am
SFO
-
EAS
30h 45m
3 stops
Multiple Airlines Logo
2:05 pm - 2:45 pm
EAS
-
SFO
33h 40m
2 stops
$1,152Multiple Airlines
Wed, Oct 21 - Tue, Nov 3

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
Sep 14
SFO7:30 pmSan Francisco
28h 10m
2 stops
EAS8:40 amSan Sebastián
Sep 24
EAS9:20 amSan Sebastián
24h 19m
2 stops
SFO12:39 amSan Francisco
$868
Iberia
Oct 21
SFO7:30 amSan Francisco
28h 20m
2 stops
EAS8:50 pmSan Sebastián
Nov 3
EAS9:30 pmSan Sebastián
32h 37m
2 stops
SFO9:07 pmSan Francisco
$870
Iberia
Sep 22
SFO7:30 pmSan Francisco
28h 10m
2 stops
EAS8:40 amSan Sebastián
Oct 3
EAS9:30 pmSan Sebastián
35h 42m
2 stops
SFO12:12 amSan Francisco
$899

British Airways flights from San Francisco to San Sebastian

Our best British Airways deals on San Francisco to San Sebastian flight tickets
British Airways
Jun 15
SFO7:50 amSan Francisco
24h 05m
2 stops
EAS4:55 pmSan Sebastián
Jun 29
EAS9:30 pmSan Sebastián
36h 43m
2 stops
SFO1:13 amSan Francisco
$1,350
British Airways
Jun 8
SFO7:50 amSan Francisco
24h 05m
2 stops
EAS4:55 pmSan Sebastián
Jun 18
EAS9:30 pmSan Sebastián
35h 39m
2 stops
SFO12:09 amSan Francisco
$1,380
British Airways
Jun 8
SFO7:50 amSan Francisco
24h 05m
2 stops
EAS4:55 pmSan Sebastián
Jun 24
EAS9:30 pmSan Sebastián
34h 13m
2 stops
SFO10:43 pmSan Francisco
$1,381

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 May 7, 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 9/14

7:30 pm-8:40 am

2 stops28h 10m

San Sebastián

Thu 9/24

9:20 am-12:39 am

2 stops24h 19m

$868

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 10/21

7:30 am-8:50 pm

2 stops28h 20m

San Sebastián

Tue 11/3

9:30 pm-9:07 pm

2 stops32h 37m

$870

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/22

7:30 pm-8:40 am

2 stops28h 10m

San Sebastián

Sat 10/3

9:30 pm-12:12 am

2 stops35h 42m

$899

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/22

5:55 pm-8:40 am

1 stop29h 45m

San Sebastián

Sat 10/3

9:30 pm-12:12 am

2 stops35h 42m

$906

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 8/3

6:45 am-8:50 pm

2 stops29h 05m

San Sebastián

Mon 8/10

9:30 pm-10:51 pm

2 stops34h 21m

$972

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 7/27

7:30 pm-8:20 am

2 stops27h 50m

San Sebastián

Mon 8/10

9:30 pm-10:51 pm

2 stops34h 21m

$1,031

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 9/14

7:30 pm-8:20 am

2 stops27h 50m

San Sebastián

Thu 9/24

9:20 am-4:20 pm

1 stop16h 00m

$1,078
Quickest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 10/4

1:29 pm-8:50 pm

2 stops22h 21m

San Sebastián

Wed 10/14

9:20 am-9:26 pm

2 stops21h 06m

$1,091

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 7/27

8:10 am-5:20 pm

2 stops24h 10m

San Sebastián

Mon 8/10

5:55 pm-8:51 pm

3 stops35h 56m

$1,115

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 10/21

4:35 pm-8:20 am

3 stops30h 45m

San Sebastián

Tue 11/3

2:05 pm-2:45 pm

2 stops33h 40m

$1,152

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 30% 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
3,212 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.1
11,669 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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