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Cheap flights from Sydney to San Sebastian from $1,848

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to San Sebastian departing on 3/11. 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

Find the cheapest flights from Sydney to San Sebastian

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:30 - 08:40SYD  Sydney Kingsford Smith-EAS San Sebastián
45h 10m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Multiple Airlines Logo
21:30 - 06:30EAS  San Sebastián-SYD Sydney Kingsford Smith
47h 00m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,848Multiple Airlines
Tue, 3 Nov - Fri, 20 Nov
Multiple Airlines Logo
21:30 - 08:40SYD  Sydney Kingsford Smith-EAS San Sebastián
45h 10m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Multiple Airlines Logo
13:40 - 06:30EAS  San Sebastián-SYD Sydney Kingsford Smith
30h 50m3 stops Madrid Barajas Barcelona-El Prat Abu Dhabi Zayed Intl
$2,005Multiple Airlines
Tue, 3 Nov - Fri, 20 Nov
Multiple Airlines Logo
15:40 - 08:40SYD  Sydney Kingsford Smith-EAS San Sebastián
49h 00m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Multiple Airlines Logo
09:20 - 06:35EAS  San Sebastián-SYD Sydney Kingsford Smith
36h 15m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$2,406Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Qatar Airways Logo
15:50 - 13:35SYD  Sydney Kingsford Smith-EAS San Sebastián
55h 45m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
14:10 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
30h 40m2 stops Barcelona-El Prat Doha Hamad Intl
$2,416Qatar Airways
Thu, 12 Nov - Mon, 16 Nov
Qatar Airways Logo
15:50 - 13:35SYD  Sydney Kingsford Smith-EAS San Sebastián
55h 45m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
14:10 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
30h 40m2 stops Barcelona-El Prat Doha Hamad Intl
$2,418Qatar Airways
Thu, 12 Nov - Mon, 16 Nov
Qatar Airways Logo
15:50 - 13:35SYD  Sydney Kingsford Smith-EAS San Sebastián
55h 45m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
14:10 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
30h 40m2 stops Barcelona-El Prat Doha Hamad Intl
$2,423Qatar Airways
Thu, 12 Nov - Mon, 16 Nov
Qatar Airways Logo
15:50 - 13:35SYD  Sydney Kingsford Smith-EAS San Sebastián
55h 45m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
14:10 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
30h 40m2 stops Barcelona-El Prat Doha Hamad Intl
$2,427Qatar Airways
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:50 - 08:20SYD  Sydney Kingsford Smith-EAS San Sebastián
43h 30m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
08:55 - 22:30EAS  San Sebastián-SYD Sydney Kingsford Smith
52h 35m2 stops Barcelona-El Prat Dubai Intl
$2,523Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:50 - 08:20SYD  Sydney Kingsford Smith-EAS San Sebastián
43h 30m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
08:55 - 06:35EAS  San Sebastián-SYD Sydney Kingsford Smith
36h 40m3 stops Barcelona-El Prat Munich Franz Josef Strauss Abu Dhabi Zayed Intl
$3,187Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
21:35 - 13:35SYD  Sydney Kingsford Smith-EAS San Sebastián
50h 00m3 stops Singapore Changi Istanbul Barcelona-El Prat
Multiple Airlines Logo
21:30 - 18:40EAS  San Sebastián-SYD Sydney Kingsford Smith
35h 10m3 stops Madrid Barajas Paris Charles de Gaulle Perth
$3,254Multiple Airlines
Tue, 3 Nov - Fri, 20 Nov

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Qatar Airways flights from Sydney to San Sebastian

Our best Qatar Airways deals on Sydney to San Sebastian flight tickets
Qatar Airways
12 Nov
SYD15:50Sydney Kingsford Smith
55h 45m
2 stops
EAS13:35San Sebastián
16 Nov
EAS14:10San Sebastián
30h 40m
2 stops
SYD06:50Sydney Kingsford Smith
$2,416
Qatar Airways
12 Nov
SYD15:50Sydney Kingsford Smith
55h 45m
2 stops
EAS13:35San Sebastián
16 Nov
EAS14:10San Sebastián
30h 40m
2 stops
SYD06:50Sydney Kingsford Smith
$2,418
Qatar Airways
12 Nov
SYD15:50Sydney Kingsford Smith
55h 45m
2 stops
EAS13:35San Sebastián
16 Nov
EAS14:10San Sebastián
30h 40m
2 stops
SYD06:50Sydney Kingsford Smith
$2,423

momondo Fare Finder

 
Customise your flight search to find flights from Sydney 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 78,305 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Sydney to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 3/11

21:30-08:40

2 stops45h 10m

San Sebastián

Fri 20/11

21:30-06:30

2 stops47h 00m

$1,848
Fastest return journey

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 3/11

21:30-08:40

2 stops45h 10m

San Sebastián

Fri 20/11

13:40-06:30

3 stops30h 50m

$2,005

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Sun 27/9

15:40-08:40

2 stops49h 00m

San Sebastián

Sun 4/10

09:20-06:35

2 stops36h 15m

$2,406

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Thu 12/11

15:50-13:35

2 stops55h 45m

San Sebastián

Mon 16/11

14:10-06:50

2 stops30h 40m

$2,416

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Thu 12/11

15:50-13:35

2 stops55h 45m

San Sebastián

Mon 16/11

14:10-06:50

2 stops30h 40m

$2,418

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Thu 12/11

15:50-13:35

2 stops55h 45m

San Sebastián

Mon 16/11

14:10-06:50

2 stops30h 40m

$2,423

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Thu 12/11

15:50-13:35

2 stops55h 45m

San Sebastián

Mon 16/11

14:10-06:50

2 stops30h 40m

$2,427

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Mon 28/9

20:50-08:20

2 stops43h 30m

San Sebastián

Mon 5/10

08:55-22:30

2 stops52h 35m

$2,523

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Mon 28/9

20:50-08:20

2 stops43h 30m

San Sebastián

Mon 5/10

08:55-06:35

3 stops36h 40m

$3,187

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 3/11

21:35-13:35

3 stops50h 00m

San Sebastián

Fri 20/11

21:30-18:40

3 stops35h 10m

$3,254

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Sydney to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to San Sebastian (SYD to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to San Sebastian

Best price found

$1,848

Fastest flight time

44h 10m

Direct flights

None
The best flight deal from Sydney to San Sebastian found on momondo in the last 72 hours is $1,848
The fastest flight from Sydney to San Sebastian takes 44h 10m
There are no direct flights from Sydney to San Sebastian. There are no popular flight routes from Sydney to San Sebastian.
Search flight deals

Frequently asked questions about flying from Sydney to San Sebastian

  • How far is Sydney Kingsford Smith to San Sebastián by plane?

    The distance between Sydney Kingsford Smith and San Sebastián is about 17461.7 km. 44h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to San Sebastián Airport?

    Prices for flights from Sydney Kingsford Smith Airport to San Sebastián Airport are updated daily.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to San Sebastián Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith 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 licence 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.

Frequently asked questions about flying from Sydney to San Sebastian

  • How do I get Price Alerts for flights from Sydney to San Sebastian?

    Price Alerts will notify you by email when the price for flights to San Sebastian from Sydney decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Sydney to San Sebastian with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to San Sebastian?

It is quick and easy to find Sydney to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

Can I find flights from Sydney to San Sebastian with flexible booking policies on momondo?

Flights from Sydney to San Sebastian with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney 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 Sydney.

I’m not ready to book a flight from Sydney to San Sebastian right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sydney 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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