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Cheap flights from Southampton to San Sebastian from £250
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — EAS
9 Nov — 16 Nov1
Cheap flight deals from Southampton to San Sebastian
Enter your travel dates to find the best prices.
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Cheapest flights from Southampton to San SebastianExplore the most affordable flight options available from Southampton to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.
Explore the most affordable flight options available from Southampton to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.
Sun 22/1116:05 -
2 stops20h 30m
Sun 29/1118:10 -
2 stops18h 45m
Deal found 8/10£250
Fri 20/1115:00 -
3 stops45h 05m
Fri 27/1114:10 -
2 stops19h 35m
Deal found 6/10£402
Best flights from Southampton to San SebastianDiscover carefully curated flight deals from Southampton to San Sebastian that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.
Discover carefully curated flight deals from Southampton to San Sebastian that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.
Sun 22/1116:05 -
2 stops20h 30m
Sun 29/1118:10 -
2 stops18h 45m
Deal found 8/10£250
Fri 20/1115:00 -
3 stops45h 05m
Fri 27/1114:10 -
2 stops19h 35m
Deal found 6/10£402
Last-minute flights from Southampton to San SebastianDiscover last-minute flight deals from Southampton to San Sebastian. Data last updated 10 October 2026 and is based on user searches.
Discover last-minute flight deals from Southampton to San Sebastian. Data last updated 10 October 2026 and is based on user searches.
Fri 20/1115:00 -
3 stops45h 05m
Fri 27/1114:10 -
2 stops19h 35m
Deal found 6/10£402
Sun 22/1116:05 -
2 stops20h 30m
Sun 29/1118:10 -
2 stops18h 45m
Deal found 8/10£250
Find flight deals from Southampton to San Sebastian
Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to San Sebastian (EAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 October 2026.
Cheapflights Fare Finder
Customise your flight search to find flights from Southampton 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, Cheapflights users made 7,457,451 searches. Data last updated 10 October 2026.
Use the filters below to find and compare flights from Southampton to San Sebastian that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest return flight
Fastest return journey
SouthamptonSan Sebastian
SOU Southampton Eastleigh - EAS San Sebastián
SOUEAS
Southampton Eastleigh
Sun 22/11
16:05-13:35
2 stops20h 30m
San Sebastián
Sun 29/11
18:10-11:55
2 stops18h 45m
£250
SouthamptonSan Sebastian
SOU Southampton Eastleigh - EAS San Sebastián
SOUEAS
Southampton Eastleigh
Fri 20/11
15:00-13:05
3 stops45h 05m
San Sebastián
Fri 27/11
14:10-08:45
2 stops19h 35m
£402
Sorted by cheapest first
Best time to book a flight from Southampton to San Sebastian
Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Southampton with our price prediction graph.
SOU-EAS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Southampton to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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San Sebastian flight routes
Alternative routes for Southampton to San Sebastian
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Complete your trip
Complete your trip to San Sebastian by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Basque Country
Book a non-stop flight to one of these other cities located in Basque Country.
Search flights from Southampton to San Sebastian by cabin class
Find flights from Southampton to San Sebastian, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Southampton and San Sebastian flights
Browse other Southampton and San Sebastian flight options. Last updated on 10 October 2026.
Other flights from Southampton
Browse through other flights departing from Southampton. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Other flights to San Sebastian
Explore flights to San Sebastian departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Southampton to San Sebastian?
Cheapflights helps you search for flights from Southampton to San Sebastian via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Southampton to San Sebastian?
Cheapflights simply makes it quick and affordable to book flights from Southampton to San Sebastian by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Southampton to San Sebastian with no change fees?
Need flexible booking options for your flight to San Sebastian from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Southampton to San Sebastian become cheaper?
Yes, Cheapflights offers price alerts on Southampton to San Sebastian flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.