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Cheap flights from San Francisco to San Sebastian from $593

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 10/1. 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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Find the cheapest flights from San Francisco to San Sebastian

Cheap round-trip flights

American Airlines Logo
5:09 am - 8:40 amSFO-EAS
18h 31m2 stops
American Airlines Logo
9:20 am - 10:09 pmEAS-SFO
21h 49m2 stops
$637American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
8:10 pm - 8:25 amSFO-EAS
27h 15m1 stop
Logo
9:30 pm - 2:30 pmEAS-SFO
26h 00m2 stops
$654
Find Deal
Thu, Oct 23 - Tue, Nov 4
Iberia Logo
5:45 pm - 8:40 amSFO-EAS
29h 55m1 stop
Iberia Logo
9:30 pm - 4:10 pmEAS-SFO
27h 40m1 stop
$687Iberia
Find Deal
Tue, Sep 16 - Mon, Sep 22
Logo
8:10 pm - 8:25 amSFO-EAS
27h 15m1 stop
Logo
2:05 pm - 10:37 amEAS-SFO
29h 32m2 stops
$732
Find Deal
Thu, Oct 23 - Wed, Nov 5
Iberia Logo
5:45 pm - 8:50 pmSFO-EAS
18h 05m1 stop
Iberia Logo
9:30 pm - 8:32 pmEAS-SFO
32h 02m2 stops
$784Iberia
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Tue, Sep 16 - Mon, Sep 22
Iberia Logo
8:10 am - 8:50 pmSFO-EAS
27h 40m2 stops
Iberia Logo
9:30 pm - 7:50 pmEAS-SFO
31h 20m2 stops
$794Iberia
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Tue, Dec 9 - Fri, Jan 9
Logo
8:10 pm - 8:25 amSFO-EAS
27h 15m1 stop
Logo
9:30 pm - 2:35 pmEAS-SFO
26h 05m2 stops
$818
Find Deal
Thu, Oct 23 - Sun, Nov 2
Logo
3:15 pm - 8:25 amSFO-EAS
32h 10m2 stops
Logo
8:50 am - 1:25 pmEAS-SFO
37h 35m2 stops
$854
Find Deal
Tue, Sep 16 - Mon, Sep 22
American Airlines Logo
6:00 am - 1:00 pmSFO-EAS
22h 00m2 stops
American Airlines Logo
1:40 pm - 8:34 pmEAS-SFO
39h 54m2 stops
$897American Airlines
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Fri, Nov 14 - Tue, Nov 18
British Airways Logo
9:40 pm - 12:40 pmSFO-EAS
31h 00m1 stop
British Airways Logo
4:55 pm - 6:26 pmEAS-SFO
34h 31m2 stops
$1,511British Airways
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Tue, Oct 28 - Sun, Nov 2

American Airlines flights from San Francisco to San Sebastian

Our best American Airlines deals on San Francisco to San Sebastian flight tickets
American Airlines
Oct 15
SFO5:09 amSan Francisco
18h 31m
2 stops
EAS8:40 amSan Sebastián
Oct 22
EAS9:20 amSan Sebastián
21h 49m
2 stops
SFO10:09 pmSan Francisco
$637
Find similar
American Airlines
Nov 14
SFO6:00 amSan Francisco
22h 00m
2 stops
EAS1:00 pmSan Sebastián
Nov 18
EAS1:40 pmSan Sebastián
39h 54m
2 stops
SFO8:34 pmSan Francisco
$897
Find similar

Iberia flights from San Francisco to San Sebastian

Our best Iberia deals on San Francisco to San Sebastian flight tickets
Iberia
Sep 16
SFO5:45 pmSan Francisco
29h 55m
1 stop
EAS8:40 amSan Sebastián
Sep 22
EAS9:30 pmSan Sebastián
27h 40m
1 stop
SFO4:10 pmSan Francisco
$687
Find similar
Iberia
Sep 16
SFO5:45 pmSan Francisco
18h 05m
1 stop
EAS8:50 pmSan Sebastián
Sep 22
EAS9:30 pmSan Sebastián
32h 02m
2 stops
SFO8:32 pmSan Francisco
$784
Find similar
Iberia
Dec 9
SFO8:10 amSan Francisco
27h 40m
2 stops
EAS8:50 pmSan Sebastián
Jan 9
EAS9:30 pmSan Sebastián
31h 20m
2 stops
SFO7:50 pmSan Francisco
$794
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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 September 2, 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

Wed 10/15

5:09 am-8:40 am

2 stops18h 31m

San Sebastián

Wed 10/22

9:20 am-10:09 pm

2 stops21h 49m

$637

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 10/23

8:10 pm-8:25 am

1 stop27h 15m

San Sebastián

Tue 11/4

9:30 pm-2:30 pm

2 stops26h 00m

$654

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/16

5:45 pm-8:40 am

1 stop29h 55m

San Sebastián

Mon 9/22

9:30 pm-4:10 pm

1 stop27h 40m

$687

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 10/23

8:10 pm-8:25 am

1 stop27h 15m

San Sebastián

Wed 11/5

2:05 pm-10:37 am

2 stops29h 32m

$732

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/16

5:45 pm-8:50 pm

1 stop18h 05m

San Sebastián

Mon 9/22

9:30 pm-8:32 pm

2 stops32h 02m

$784

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 12/9

8:10 am-8:50 pm

2 stops27h 40m

San Sebastián

Fri 1/9

9:30 pm-7:50 pm

2 stops31h 20m

$794

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 10/23

8:10 pm-8:25 am

1 stop27h 15m

San Sebastián

Sun 11/2

9:30 pm-2:35 pm

2 stops26h 05m

$818

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/16

3:15 pm-8:25 am

2 stops32h 10m

San Sebastián

Mon 9/22

8:50 am-1:25 pm

2 stops37h 35m

$854

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 11/14

6:00 am-1:00 pm

2 stops22h 00m

San Sebastián

Tue 11/18

1:40 pm-8:34 pm

2 stops39h 54m

$897

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 10/28

9:40 pm-12:40 pm

1 stop31h 00m

San Sebastián

Sun 11/2

4:55 pm-6:26 pm

2 stops34h 31m

$1,511

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

What is the cheapest day to depart on your flight to San Sebastian?

On average, the least expensive day to fly to San Sebastian from San Francisco is on a Monday. momondo users have found tickets for Monday departures for as low as $788. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to San Sebastian for around $1,566.

What is the cheapest time of day to depart on your flight to San Sebastian?

Flying to San Sebastian from San Francisco in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,039 when looking at flights departing in the evening. Flights to San Sebastian are more costly at noon, with an average ticket price of $1,438. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on San Francisco to San Sebastian flights?

You could potentially save up to 37% 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

Direct flights

None
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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  • 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 16h 32m, 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
2,909 reviews
Search Iberia flights
American AirlinesPriceFrom $714Free CancellationRating
7.2
10,000 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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