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Cheap flights from London Southend Airport to San Sebastian from £64

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — EAS
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to San Sebastian

Enter your travel dates to find the best prices.

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 4 July 2026.

Sat 26/916:50
SEN
-
EAS
1 stop14h 30m
Multiple Airlines
Thu 1/1014:30
EAS
-
SEN
2 stops23h 30m
Multiple Airlines
Deal found 3/7£133
Thu 13/816:35
SEN
-
EAS
1 stop14h 45m
Multiple Airlines
Thu 20/809:05
EAS
-
SEN
1 stop13h 45m
Multiple Airlines
Deal found 29/6£150
Sat 29/816:50
SEN
-
EAS
1 stop14h 30m
Multiple Airlines
Sat 5/910:50
EAS
-
SEN
1 stop9h 15m
Multiple Airlines
Deal found 30/6£165
Wed 30/908:25
SEN
-
EAS
1 stop7h 55m
Multiple Airlines
Sat 3/1017:55
EAS
-
SEN
1 stop4h 50m
Multiple Airlines
Deal found 2/7£171
Sun 20/917:30
SEN
-
EAS
2 stops23h 45m
Multiple Airlines
Fri 25/917:55
EAS
-
SEN
2 stops15h 45m
Multiple Airlines
Deal found 30/6£177
Sat 1/816:50
SEN
-
EAS
1 stop14h 30m
Multiple Airlines
Sat 8/808:55
EAS
-
SEN
1 stop13h 50m
Multiple Airlines
Deal found 2/7£184
Thu 30/716:35
SEN
-
EAS
1 stop14h 45m
Multiple Airlines
Thu 6/809:05
EAS
-
SEN
1 stop13h 45m
Multiple Airlines
Deal found 2/7£190
Tue 1/920:25
SEN
-
EAS
1 stop12h 15m
Multiple Airlines
Sat 5/910:50
EAS
-
SEN
1 stop9h 15m
Multiple Airlines
Deal found 2/7£197

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 4 July 2026.

Round-trip from

£133

One-way from

£64

Popular in

December

Cheapest in

January

Average price

£365
26/9-1/10
  • 26/9-1/10
  • 3 total stops
  • 38h 00m total
  • London to San Sebastian
Search Deals
15/8
  • 15/8
  • 1 total stop
  • 14h 30m total
  • London to San Sebastian
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 4 July 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

Price

Cheapest return flight

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 26/9

16:50-08:20

1 stop14h 30m

San Sebastián

Thu 1/10

14:30-13:00

2 stops23h 30m

£133

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 13/8

16:35-08:20

1 stop14h 45m

San Sebastián

Thu 20/8

09:05-21:50

1 stop13h 45m

£150

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 29/8

16:50-08:20

1 stop14h 30m

San Sebastián

Sat 5/9

10:50-19:05

1 stop9h 15m

£165

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 1/8

16:50-08:20

1 stop14h 30m

San Sebastián

Sat 8/8

08:55-21:45

1 stop13h 50m

£184

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 30/7

16:35-08:20

1 stop14h 45m

San Sebastián

Thu 6/8

09:05-21:50

1 stop13h 45m

£190

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 16/7

16:35-08:20

1 stop14h 45m

San Sebastián

Sun 19/7

12:05-22:10

1 stop11h 05m

£242

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 22/7

18:00-08:30

2 stops13h 30m

San Sebastián

Sun 26/7

08:55-07:20

3 stops23h 25m

£269

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 23/9

08:25-17:20

1 stop7h 55m

San Sebastián

Sun 27/9

12:20-23:20

2 stops12h 00m

£275
Fastest return journey

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 14/7

06:30-17:20

1 stop9h 50m

San Sebastián

Thu 16/7

17:55-21:50

1 stop4h 55m

£290
Cheapest one-way

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 10/7

13:30-09:50

1 stop19h 20m

£83

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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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How does Cheapflights help users find flights from Southend to San Sebastian?

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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!

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