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Cheap flights from San Francisco to San Sebastian from $451

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 5/31. 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
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.
Multiple Airlines Logo
4:35 pm - 8:40 am
SFO
-
EAS
31h 05m2 stops
Multiple Airlines Logo
9:30 pm - 2:30 pm
EAS
-
SFO
50h 00m2 stops
$622Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
7:40 pm - 8:20 am
SFO
-
EAS
27h 40m1 stop
Multiple Airlines Logo
8:55 am - 5:55 pm
EAS
-
SFO
18h 00m1 stop
$735Multiple Airlines
Thu, Apr 30 - Sun, May 31
Multiple Airlines Logo
7:40 pm - 1:00 pm
SFO
-
EAS
32h 20m2 stops
Multiple Airlines Logo
8:55 am - 5:55 pm
EAS
-
SFO
18h 00m1 stop
$889Multiple Airlines
Thu, Apr 30 - Sun, May 31
Multiple Airlines Logo
8:20 pm - 8:20 am
SFO
-
EAS
27h 00m2 stops
Multiple Airlines Logo
8:55 am - 5:55 pm
EAS
-
SFO
18h 00m1 stop
$993Multiple Airlines
Fri, May 1 - Sun, May 31
Multiple Airlines Logo
12:50 pm - 5:20 pm
SFO
-
EAS
19h 30m2 stops
Multiple Airlines Logo
5:55 pm - 2:30 pm
EAS
-
SFO
29h 35m2 stops
$995Multiple Airlines
Fri, May 22 - Sun, Jun 7
Multiple Airlines Logo
12:50 pm - 5:20 pm
SFO
-
EAS
19h 30m2 stops
Multiple Airlines Logo
8:55 am - 6:00 pm
EAS
-
SFO
18h 05m1 stop
$1,038Multiple Airlines
Fri, May 22 - Sun, Jun 7
Multiple Airlines Logo
12:50 pm - 8:20 am
SFO
-
EAS
34h 30m3 stops
Multiple Airlines Logo
5:55 pm - 2:30 pm
EAS
-
SFO
29h 35m2 stops
$1,081Multiple Airlines
Fri, May 22 - Sun, Jun 7
Iberia Logo
8:00 am - 8:50 pm
SFO
-
EAS
27h 50m2 stops
Iberia Logo
9:30 pm - 9:26 pm
EAS
-
SFO
32h 56m2 stops
$1,101Iberia
Fri, Jan 9 - Mon, Jan 12
Iberia Logo
2:28 pm - 8:50 pm
SFO
-
EAS
21h 22m2 stops
Iberia Logo
9:20 am - 5:55 pm
EAS
-
SFO
17h 35m2 stops
$1,204Iberia
Fri, May 1 - Sun, May 31
Iberia Logo
6:28 am - 8:40 am
SFO
-
EAS
17h 12m2 stops
Iberia Logo
9:20 am - 9:30 pm
EAS
-
SFO
21h 10m2 stops
$1,209Iberia
Wed, Mar 4 - Sun, Mar 8

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
Jan 9
SFO8:00 amSan Francisco
27h 50m
2 stops
EAS8:50 pmSan Sebastián
Jan 12
EAS9:30 pmSan Sebastián
32h 56m
2 stops
SFO9:26 pmSan Francisco
$1,101
Find similar
Iberia
Mar 4
SFO5:30 pmSan Francisco
18h 20m
2 stops
EAS8:50 pmSan Sebastián
Mar 8
EAS9:20 amSan Sebastián
22h 13m
2 stops
SFO10:33 pmSan Francisco
$1,201
Find similar
Iberia
May 1
SFO2:28 pmSan Francisco
21h 22m
2 stops
EAS8:50 pmSan Sebastián
May 31
EAS9:20 amSan Sebastián
17h 35m
2 stops
SFO5:55 pmSan Francisco
$1,204
Find similar

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 December 28, 2025.
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

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 2/9

4:35 pm-8:40 am

2 stops31h 05m

San Sebastián

Mon 2/16

9:30 pm-2:30 pm

2 stops50h 00m

$622

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 4/30

7:40 pm-8:20 am

1 stop27h 40m

San Sebastián

Sun 5/31

8:55 am-5:55 pm

1 stop18h 00m

$735

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 4/30

7:40 pm-1:00 pm

2 stops32h 20m

San Sebastián

Sun 5/31

8:55 am-5:55 pm

1 stop18h 00m

$889

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 5/1

8:20 pm-8:20 am

2 stops27h 00m

San Sebastián

Sun 5/31

8:55 am-5:55 pm

1 stop18h 00m

$993

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 5/22

12:50 pm-5:20 pm

2 stops19h 30m

San Sebastián

Sun 6/7

5:55 pm-2:30 pm

2 stops29h 35m

$995

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 5/22

12:50 pm-5:20 pm

2 stops19h 30m

San Sebastián

Sun 6/7

8:55 am-6:00 pm

1 stop18h 05m

$1,038

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 5/22

12:50 pm-8:20 am

3 stops34h 30m

San Sebastián

Sun 6/7

5:55 pm-2:30 pm

2 stops29h 35m

$1,081

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 1/9

8:00 am-8:50 pm

2 stops27h 50m

San Sebastián

Mon 1/12

9:30 pm-9:26 pm

2 stops32h 56m

$1,101

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 5/1

2:28 pm-8:50 pm

2 stops21h 22m

San Sebastián

Sun 5/31

9:20 am-5:55 pm

2 stops17h 35m

$1,204

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 3/4

6:28 am-8:40 am

2 stops17h 12m

San Sebastián

Sun 3/8

9:20 am-9:30 pm

2 stops21h 10m

$1,209

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 35% 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 12m

Direct flights

None
The fastest flight from San Francisco to San Sebastian takes 17h 12m
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

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

    The distance between San Francisco and San Sebastián is about 5702.1 mi. Flights usually cover this in 17h 12m, 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
3,059 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.2
11,071 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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