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Look for other cheap flights to San Sebastián

$2,153 Cheap flights to San Sebastian

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to San Sebastian departing on 22/9. 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 Australia to San Sebastian

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 08:40SYD  Sydney Kingsford Smith-EAS San Sebastián
43h 50m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Multiple Airlines Logo
21:30 - 06:10EAS  San Sebastián-SYD Sydney Kingsford Smith
48h 40m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$2,153Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
20:50 - 08:40SYD  Sydney Kingsford Smith-EAS San Sebastián
43h 50m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Multiple Airlines Logo
21:30 - 06:10EAS  San Sebastián-SYD Sydney Kingsford Smith
48h 40m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$2,174Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
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
21:30 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Doha Hamad Intl
$2,452Qatar Airways
Sun, 8 Nov - Wed, 11 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
21:30 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Doha Hamad Intl
$2,456Qatar Airways
Sun, 8 Nov - Wed, 11 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
21:30 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Doha Hamad Intl
$2,459Qatar Airways
Sun, 8 Nov - Wed, 11 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
21:30 - 06:50EAS  San Sebastián-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Doha Hamad Intl
$2,463Qatar Airways
Sun, 8 Nov - Wed, 11 Nov
Multiple Airlines Logo
15:40 - 17:20SYD  Sydney Kingsford Smith-EAS San Sebastián
33h 40m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
08:55 - 06:10EAS  San Sebastián-SYD Sydney Kingsford Smith
61h 15m3 stops Barcelona-El Prat Madrid Barajas Abu Dhabi Zayed Intl
$2,747Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
15:40 - 17:20SYD  Sydney Kingsford Smith-EAS San Sebastián
33h 40m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
08:55 - 06:10EAS  San Sebastián-SYD Sydney Kingsford Smith
61h 15m3 stops Barcelona-El Prat Madrid Barajas Abu Dhabi Zayed Intl
$2,784Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
14:35 - 17:35SYD  Sydney Kingsford Smith-EAS San Sebastián
35h 00m3 stops Singapore Changi London Heathrow Madrid Barajas
Multiple Airlines Logo
13:40 - 06:05EAS  San Sebastián-SYD Sydney Kingsford Smith
32h 25m3 stops Madrid Barajas London Heathrow Singapore Changi
$4,081Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
11:45 - 20:50SYD  Sydney Kingsford Smith-EAS San Sebastián
41h 05m3 stops Santiago Arturo Merino Benitez Sao Paulo Guarulhos Intl Madrid Barajas
Multiple Airlines Logo
21:30 - 16:50EAS  San Sebastián-SYD Sydney Kingsford Smith
35h 20m3 stops Madrid Barajas Milan Malpensa Abu Dhabi Zayed Intl
$6,043Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep

momondo Fare Finder

 
Locate flights to San Sebastián that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 12 August 2026.
Use the filters below to find and compare flights to San Sebastian that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

20:50-08:40

2 stops43h 50m

San Sebastián

Tue 29/9

21:30-06:10

2 stops48h 40m

$2,153

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

20:50-08:40

2 stops43h 50m

San Sebastián

Tue 29/9

21:30-06:10

2 stops48h 40m

$2,174

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Sun 8/11

15:50-13:35

2 stops55h 45m

San Sebastián

Wed 11/11

21:30-06:50

2 stops47h 20m

$2,452

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Sun 8/11

15:50-13:35

2 stops55h 45m

San Sebastián

Wed 11/11

21:30-06:50

2 stops47h 20m

$2,456

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Sun 8/11

15:50-13:35

2 stops55h 45m

San Sebastián

Wed 11/11

21:30-06:50

2 stops47h 20m

$2,459

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Sun 8/11

15:50-13:35

2 stops55h 45m

San Sebastián

Wed 11/11

21:30-06:50

2 stops47h 20m

$2,463

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

15:40-17:20

2 stops33h 40m

San Sebastián

Tue 29/9

08:55-06:10

3 stops61h 15m

$2,747

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

15:40-17:20

2 stops33h 40m

San Sebastián

Tue 29/9

08:55-06:10

3 stops61h 15m

$2,784
Fastest return journey

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

14:35-17:35

3 stops35h 00m

San Sebastián

Tue 29/9

13:40-06:05

3 stops32h 25m

$4,081

SydneySan Sebastian

SYD Sydney Kingsford Smith - EAS San Sebastián

SYDEAS

Sydney Kingsford Smith

Tue 22/9

11:45-20:50

3 stops41h 05m

San Sebastián

Tue 29/9

21:30-16:50

3 stops35h 20m

$6,043

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

San Sebastian flights insights and trends

Explore insights for your San Sebastian flight to craft the best travel plan

How long does it take to fly to San Sebastian?

On average, it takes 44h 40m to fly from Australia to San Sebastian if you fly out of Sydney Kingsford Smith (the most popular airport in Australia) and into Bilbao (the most popular airport in San Sebastian). If you’re flying out of Melbourne and into Bilbao, then the flight time is around 35h 05m.

Cheap San Sebastian flight deals and tips

Summary info about San Sebastian flight prices, duration and airlines

Best Round-Trip Price

$2,153

Fastest flight time

43h 50m
The best return flight price to San Sebastian from Australia in the last 5 days is $2,153 (Sydney Kingsford Smith to San Sebastián).
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The fastest flight to San Sebastian from Australia takes 43h 50m (Sydney Kingsford Smith to San Sebastián).
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Frequently asked questions about flying to San Sebastian

Is there an alternative airport near San Sebastian?

Finding an alternative and possibly cheaper destination airport near San Sebastian is possible. If you are planning a flight to San Sebastian, consider booking flights to San Sebastián Airport (16 km from San Sebastian city centre), Pamplona Airport (66 km from San Sebastian city centre), Vitoria-Gasteiz Airport (77 km from San Sebastian city centre), Logroño Agoncillo Airport (99 km from San Sebastian city centre) or Santander Airport (150 km from San Sebastian city centre).

Is there a cheaper alternative to flying into San Sebastian?

With an average price of $95 per person, San Sebastián Airport is the cheapest airport to fly into when planning your trip to San Sebastian. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

When did momondo last update prices for flights to San Sebastián Airport?

Prices for flights to San Sebastián Airport are refreshed on a daily basis.

How old do you have to be to fly to San Sebastián Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to San Sebastián Airport.

What documentation or ID do you need to fly to San Sebastián Airport?

The necessary travel and health documents for your San Sebastián Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to San Sebastian. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Sebastian which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to San Sebastian?

momondo helps you find the best flight to San Sebastian by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to San Sebastian

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to San Sebastián Flightsfrom $1,330