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Cheap flights from London Southend Airport to San Sebastian from £73

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — EAS
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£148

One-way from

£73

Popular in

May

Cheapest in

January

Average price

£295
5/12-7/12
  • 5/12-7/12
  • 3 total stops
  • 30h 50m total
  • London to San Sebastian
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16/11
  • 16/11
  • 1 total stop
  • 21h 15m total
  • London to San Sebastian
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Southend to San Sebastian

Cheapest flights from Southend to San Sebastian
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 18 September 2025.

Fri 5/1212:50SEN - EAS
2 stops23h 40mMultiple Airlines
Sun 7/1214:05EAS - SEN
1 stop7h 10mMultiple Airlines
Deal found 17/9£148
Sat 27/917:30SEN - EAS
2 stops14h 20mMultiple Airlines
Wed 1/1009:10EAS - SEN
2 stops14h 55mMultiple Airlines
Deal found 17/9£271
Fri 26/913:35SEN - EAS
2 stops17h 50mMultiple Airlines
Sat 27/911:45EAS - SEN
2 stops12h 15mMultiple Airlines
Deal found 16/9£324
Thu 23/1007:15SEN - EAS
2 stops9h 05mMultiple Airlines
Sun 26/1014:05EAS - SEN
2 stops9h 45mMultiple Airlines
Deal found 16/9£544
Thu 18/907:15SEN - EAS
2 stops9h 05mMultiple Airlines
Thu 25/909:00EAS - SEN
2 stops12h 05mMultiple Airlines
Deal found 17/9£560
Thu 30/1020:35SEN - EAS
2 stops15h 55mMultiple Airlines
Sun 2/1114:05EAS - SEN
2 stops9h 45mMultiple Airlines
Deal found 18/9£658
Thu 25/906:30SEN - EAS
2 stops9h 50mMultiple Airlines
Fri 26/917:55EAS - SEN
2 stops15h 05mMultiple Airlines
Deal found 16/9£695

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 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from London Southend Airport to San Sebastian that are best for you.

Fly from

Southend

Fly to

San Sebastian

Route

Depart

Return

Price

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 5/12

12:50-13:30

2 stops23h 40m

San Sebastián

Sun 7/12

14:05-20:15

1 stop7h 10m

£148

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 23/10

07:15-17:20

2 stops9h 05m

San Sebastián

Sun 26/10

14:05-22:50

2 stops9h 45m

£544

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 30/10

20:35-13:30

2 stops15h 55m

San Sebastián

Sun 2/11

14:05-22:50

2 stops9h 45m

£658

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sun 16/11

15:15-13:30

1 stop21h 15m

£73

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 15/10

17:30-08:25

2 stops13h 55m

£77

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 24/9

17:30-08:25

2 stops13h 55m

£114

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 23/10

07:15-17:20

2 stops9h 05m

£142

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 4/12

06:50-13:30

1 stop5h 40m

£149

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 25/9

06:30-17:20

2 stops9h 50m

£208

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 5/12

07:00-10:45

2 stops26h 45m

£253

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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.
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.

  • What airport do you fly into for flights to San Sebastian from London Southend?

    If you book a flight to San Sebastian from London Southend, you will be flying to San Sebastián, which is the city’s only airport. San Sebastián (EAS) is located 9.7 mi from the center of San Sebastian. There are 0 flights from London Southend to San Sebastián per day from 0 different airlines.

  • Can I find deals for flights from Southend to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Southend to San Sebastian flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southend to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to San Sebastian.

  • Can I find deals for business class flights from Southend to San Sebastian?

    Yes. Cheapflights offers flight deals from Southend to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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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.

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