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Cheap flights from San Francisco to San Sebastian from $453

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 10/15. 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
7:30 pm - 8:20 am
SFO
-
EAS
27h 50m
2 stops
Iberia Logo
9:30 pm - 8:30 pm
EAS
-
SFO
32h 00m
2 stops
$869Iberia
Sun, Sep 6 - Tue, Sep 15
Iberia Logo
7:30 pm - 8:40 am
SFO
-
EAS
28h 10m
2 stops
Iberia Logo
9:30 pm - 9:54 pm
EAS
-
SFO
33h 24m
2 stops
$901Iberia
Mon, Sep 21 - Fri, Oct 2
Iberia Logo
8:35 am - 8:40 am
SFO
-
EAS
39h 05m
2 stops
Iberia Logo
9:30 pm - 9:52 pm
EAS
-
SFO
33h 22m
2 stops
$912Iberia
Thu, Sep 17 - Tue, Sep 29
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
$940Iberia
Sun, Sep 6 - Tue, Sep 15
Iberia Logo
7:50 pm - 8:20 am
SFO
-
EAS
27h 30m
1 stop
Iberia Logo
9:20 am - 4:20 pm
EAS
-
SFO
16h 00m
1 stop
$950Iberia
Sun, Sep 6 - Tue, Sep 15
Multiple Airlines Logo
5:40 pm - 8:20 am
SFO
-
EAS
29h 40m
2 stops
Multiple Airlines Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$961Multiple Airlines
Sun, Sep 6 - Wed, Sep 16
Multiple Airlines Logo
5:35 pm - 8:20 am
SFO
-
EAS
29h 45m
2 stops
Multiple Airlines Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$962Multiple Airlines
Mon, Sep 7 - Wed, Sep 16
Iberia Logo
8:35 am - 8:40 am
SFO
-
EAS
39h 05m
2 stops
Iberia Logo
9:20 am - 4:20 pm
EAS
-
SFO
16h 00m
1 stop
$972Iberia
Thu, Sep 17 - Tue, Sep 29
British Airways Logo
1:27 pm - 5:15 pm
SFO
-
EAS
42h 48m
2 stops
British Airways Logo
9:30 pm - 4:20 pm
EAS
-
SFO
27h 50m
1 stop
$979British Airways
Sat, Sep 5 - Wed, Sep 16
Iberia Logo
9:02 am - 1:00 pm
SFO
-
EAS
18h 58m
2 stops
Iberia Logo
9:30 pm - 9:26 pm
EAS
-
SFO
32h 56m
2 stops
$983Iberia
Sat, Oct 3 - Fri, Oct 9

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
Sep 6
SFO7:30 pmSan Francisco
27h 50m
2 stops
EAS8:20 amSan Sebastián
Sep 15
EAS9:30 pmSan Sebastián
32h 00m
2 stops
SFO8:30 pmSan Francisco
$869
Iberia
Sep 21
SFO7:30 pmSan Francisco
28h 10m
2 stops
EAS8:40 amSan Sebastián
Oct 2
EAS9:30 pmSan Sebastián
33h 24m
2 stops
SFO9:54 pmSan Francisco
$901
Iberia
Sep 17
SFO8:35 amSan Francisco
39h 05m
2 stops
EAS8:40 amSan Sebastián
Sep 29
EAS9:30 pmSan Sebastián
33h 22m
2 stops
SFO9:52 pmSan Francisco
$912

American Airlines flights from San Francisco to San Sebastian

Our best American Airlines deals on San Francisco to San Sebastian flight tickets
American Airlines
Jul 6
SFO10:15 amSan Francisco
17h 45m
2 stops
EAS1:00 pmSan Sebastián
Jul 14
EAS9:20 amSan Sebastián
19h 45m
2 stops
SFO8:05 pmSan Francisco
$1,052
American Airlines
Nov 8
SFO8:40 pmSan Francisco
27h 00m
2 stops
EAS8:40 amSan Sebastián
Nov 12
EAS9:20 amSan Sebastián
21h 52m
2 stops
SFO10:12 pmSan Francisco
$1,060
American Airlines
Nov 7
SFO11:59 pmSan Francisco
23h 41m
2 stops
EAS8:40 amSan Sebastián
Nov 12
EAS9:20 amSan Sebastián
20h 36m
2 stops
SFO8:56 pmSan Francisco
$1,062

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 June 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

Sun 9/6

7:30 pm-8:20 am

2 stops27h 50m

San Sebastián

Tue 9/15

9:30 pm-8:30 pm

2 stops32h 00m

$869

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 9/21

7:30 pm-8:40 am

2 stops28h 10m

San Sebastián

Fri 10/2

9:30 pm-9:54 pm

2 stops33h 24m

$901

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 9/17

8:35 am-8:40 am

2 stops39h 05m

San Sebastián

Tue 9/29

9:30 pm-9:52 pm

2 stops33h 22m

$912

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/6

7:30 pm-8:20 am

2 stops27h 50m

San Sebastián

Tue 9/15

9:20 am-4:20 pm

1 stop16h 00m

$940
Quickest round-trip

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/6

7:50 pm-8:20 am

1 stop27h 30m

San Sebastián

Tue 9/15

9:20 am-4:20 pm

1 stop16h 00m

$950

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 9/6

5:40 pm-8:20 am

2 stops29h 40m

San Sebastián

Wed 9/16

9:30 pm-4:20 pm

1 stop27h 50m

$961

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 9/7

5:35 pm-8:20 am

2 stops29h 45m

San Sebastián

Wed 9/16

9:30 pm-4:20 pm

1 stop27h 50m

$962

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 9/17

8:35 am-8:40 am

2 stops39h 05m

San Sebastián

Tue 9/29

9:20 am-4:20 pm

1 stop16h 00m

$972

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 9/5

1:27 pm-5:15 pm

2 stops42h 48m

San Sebastián

Wed 9/16

9:30 pm-4:20 pm

1 stop27h 50m

$979

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 10/3

9:02 am-1:00 pm

2 stops18h 58m

San Sebastián

Fri 10/9

9:30 pm-9:26 pm

2 stops32h 56m

$983

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 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
3,226 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.1
11,649 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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