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Cheap flights from London Southend Airport to San Sebastian from £59
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — EAS
9 Nov — 16 Nov1
Cheap flight deals from Southend to San Sebastian
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Southend to San SebastianExplore the most affordable flight options available from Southend 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 Southend to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.
Thu 10/1207:00 -
1 stop8h 00m
Thu 10/1218:10 -
1 stop5h 10m
Deal found 6/10£127
Thu 10/1207:00 -
1 stop8h 00m
Sun 13/1218:10 -
1 stop5h 05m
Deal found 6/10£128
Sun 27/1217:15 -
1 stop19h 20m
Thu 31/1218:10 -
1 stop5h 10m
Deal found 7/10£149
Sat 17/1016:50 -
1 stop14h 30m
Tue 20/1017:55 -
1 stop15h 00m
Deal found 7/10£175
Wed 9/1207:00 -
2 stops12h 50m
Thu 10/1218:10 -
1 stop5h 10m
Deal found 9/10£191
Wed 14/1008:25 -
1 stop23h 10m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£224
Tue 13/1020:25 -
2 stops35h 15m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£246
Thu 5/1117:20 -
1 stop19h 15m
Sun 8/1118:10 -
1 stop5h 10m
Deal found 6/10£280
Thu 15/1017:20 -
2 stops14h 00m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£305
Sat 12/1207:15 -
2 stops12h 20m
Sun 13/1218:10 -
2 stops21h 40m
Deal found 7/10£347
Best flights from Southend to San SebastianDiscover carefully curated flight deals from Southend 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 Southend 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.
Thu 10/1207:00 -
1 stop8h 00m
Thu 10/1218:10 -
1 stop5h 10m
Deal found 6/10£127
Thu 10/1207:00 -
1 stop8h 00m
Sun 13/1218:10 -
1 stop5h 05m
Deal found 6/10£128
Sun 27/1217:15 -
1 stop19h 20m
Thu 31/1218:10 -
1 stop5h 10m
Deal found 7/10£149
Thu 25/217:20 -
1 stop19h 15m
Sun 28/218:10 -
1 stop5h 05m
Deal found 9/10£180
Wed 9/1207:00 -
2 stops12h 50m
Thu 10/1218:10 -
1 stop5h 10m
Deal found 9/10£191
Thu 5/1117:20 -
1 stop19h 15m
Sun 8/1118:10 -
1 stop5h 10m
Deal found 6/10£280
Sat 12/1207:15 -
2 stops12h 20m
Sun 13/1218:10 -
2 stops21h 40m
Deal found 7/10£347
Fri 30/1020:10 -
2 stops16h 25m
Sun 1/1111:50 -
1 stop12h 25m
Deal found 9/10£378
Tue 27/1019:55 -
2 stops16h 40m
Thu 29/1018:10 -
2 stops14h 30m
Deal found 10/10£382
Fri 23/1013:30 -
2 stops17h 50m
Sun 25/1011:50 -
1 stop12h 25m
Deal found 8/10£422
Last-minute flights from Southend to San SebastianDiscover last-minute flight deals from Southend to San Sebastian. Data last updated 10 October 2026 and is based on user searches.
Discover last-minute flight deals from Southend to San Sebastian. Data last updated 10 October 2026 and is based on user searches.
Tue 13/1020:25 -
2 stops35h 15m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£246
Wed 14/1008:25 -
1 stop23h 10m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£224
Wed 14/1008:25 -
1 stop7h 55m
Sat 17/1008:55 -
1 stop13h 50m
Deal found 9/10£400
Thu 15/1017:20 -
2 stops14h 00m
Mon 19/1018:05 -
1 stop18h 15m
Deal found 10/10£305
Fri 16/1013:30 -
2 stops17h 50m
Sun 18/1008:55 -
2 stops15h 25m
Deal found 7/10£419
Sat 17/1016:50 -
1 stop14h 30m
Tue 20/1017:55 -
1 stop15h 00m
Deal found 7/10£175
Fri 23/1013:30 -
2 stops17h 50m
Sun 25/1011:50 -
1 stop12h 25m
Deal found 8/10£422
Tue 27/1019:55 -
2 stops16h 40m
Thu 29/1018:10 -
2 stops14h 30m
Deal found 10/10£382
Fri 30/1020:10 -
2 stops16h 25m
Sun 1/1111:50 -
1 stop12h 25m
Deal found 9/10£378
Thu 5/1117:20 -
1 stop19h 15m
Sun 8/1118:10 -
1 stop5h 10m
Deal found 6/10£280
One-way flights from Southend to San SebastianSearch for one-way flight options from Southend to San Sebastian. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.
Search for one-way flight options from Southend to San Sebastian. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.
Tue 15/1215:30 -
1 stop21h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£59
Tue 29/1215:30 -
1 stop21h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£69
Tue 22/1215:30 -
1 stop21h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£90
Wed 9/1207:00 -
2 stops35h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£91
Mon 9/1116:20 -
2 stops15h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/10£91
Thu 31/1217:20 -
1 stop19h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£92
Sun 8/1108:10 -
2 stops7h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£94
Wed 4/1107:00 -
2 stops24h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£94
Sun 1/1107:00 -
2 stops24h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£98
Wed 18/1117:20 -
2 stops19h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/10£104
Find flight deals from Southend to San Sebastian
Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) 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 Southend 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 London Southend Airport to San Sebastian that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest return flight
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Tue 15/12
15:30-13:35
1 stop21h 05m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£59
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Tue 29/12
15:30-13:35
1 stop21h 05m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£69
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Wed 9/12
07:00-19:50
2 stops35h 50m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£91
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Mon 9/11
16:20-08:40
2 stops15h 20m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£91
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Wed 28/10
17:20-08:40
2 stops14h 20m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£107
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Thu 24/12
17:20-13:35
1 stop19h 15m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£120
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Thu 10/12
07:00-16:00
1 stop8h 00m
San Sebastián
Thu 10/12
18:10-22:20
1 stop5h 10m
£127
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Thu 10/12
07:00-16:00
1 stop8h 00m
San Sebastián
Sun 13/12
18:10-22:15
1 stop5h 05m
£128
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Sun 8/11
17:15-13:35
1 stop19h 20m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£131
LondonSan Sebastian
SEN London Southend - EAS San Sebastián
SENEAS
London Southend
Fri 13/11
14:25-08:40
2 stops17h 15m
San Sebastián
Wed 31/12
00:00-00:00
Nonstop0h 00m
£138
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Southend to San Sebastian
Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Southend with our price prediction graph.
SEN-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 Southend 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
Complete your trip
Direct flights to Basque Country
Flights by cabin class
Other flight options
Other flights from Southend
Popular flights
San Sebastian flight routes
Alternative routes for Southend to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.
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 Southend to San Sebastian by cabin class
Find flights from Southend to San Sebastian, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Southend and San Sebastian flights
Browse other Southend and San Sebastian flight options. Last updated on 10 October 2026.
Other flights from Southend
Browse through other flights departing from Southend. 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 Southend to San Sebastian?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southend to San Sebastian. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Southend to San Sebastian?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southend to San Sebastian for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Southend to San Sebastian with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Southend to San Sebastian flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Southend to San Sebastian become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!