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Cheap flights from London Southend Airport to San Sebastian from £55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Southend Airport to San Sebastian departing on 15/4. 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
0 bags
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Find the cheapest flights from London Southend Airport to San Sebastian

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:50 - 08:20
SEN
-
EAS
14h 30m
1 stop
Multiple Airlines Logo
17:55 - 07:55
EAS
-
SEN
15h 00m
1 stop
£106Multiple Airlines
Sat, 25 Apr - Tue, 28 Apr
Multiple Airlines Logo
16:50 - 08:20
SEN
-
EAS
14h 30m
1 stop
Multiple Airlines Logo
17:55 - 07:55
EAS
-
SEN
15h 00m
1 stop
£117Multiple Airlines
Sat, 16 May - Tue, 19 May
Multiple Airlines Logo
16:50 - 08:20
SEN
-
EAS
14h 30m
1 stop
Multiple Airlines Logo
17:55 - 07:55
EAS
-
SEN
15h 00m
1 stop
£149Multiple Airlines
Sat, 13 Jun - Tue, 16 Jun
Multiple Airlines Logo
16:50 - 08:20
SEN
-
EAS
14h 30m
1 stop
Multiple Airlines Logo
08:55 - 21:45
EAS
-
SEN
13h 50m
1 stop
£159Multiple Airlines
Sat, 25 Apr - Sat, 2 May
Multiple Airlines Logo
20:25 - 09:40
SEN
-
EAS
12h 15m
1 stop
Multiple Airlines Logo
17:55 - 07:55
EAS
-
SEN
15h 00m
1 stop
£167Multiple Airlines
Tue, 15 Sep - Tue, 29 Sep
Multiple Airlines Logo
08:25 - 17:20
SEN
-
EAS
7h 55m
1 stop
Multiple Airlines Logo
17:55 - 08:40
EAS
-
SEN
15h 45m
2 stops
£229Multiple Airlines
Wed, 9 Sep - Fri, 18 Sep
Multiple Airlines Logo
06:30 - 17:20
SEN
-
EAS
9h 50m
1 stop
Multiple Airlines Logo
12:20 - 22:00
EAS
-
SEN
10h 40m
1 stop
£235Multiple Airlines
Tue, 14 Apr - Sun, 19 Apr
Multiple Airlines Logo
20:40 - 09:45
SEN
-
EAS
12h 05m
1 stop
Multiple Airlines Logo
17:55 - 12:30
EAS
-
SEN
19h 35m
2 stops
£236Multiple Airlines
Fri, 19 Jun - Mon, 22 Jun
Multiple Airlines Logo
08:25 - 17:20
SEN
-
EAS
7h 55m
1 stop
Multiple Airlines Logo
12:20 - 22:00
EAS
-
SEN
10h 40m
1 stop
£237Multiple Airlines
Wed, 15 Apr - Sun, 19 Apr
Multiple Airlines Logo
17:30 - 08:35
SEN
-
EAS
14h 05m
2 stops
Multiple Airlines Logo
12:20 - 22:00
EAS
-
SEN
10h 40m
1 stop
£245Multiple Airlines
Wed, 15 Apr - Sun, 19 Apr

momondo Fare Finder

 
Customise your flight search to find flights from London Southend Airport 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, momondo users made 279,928 searches. Data last updated 27 March 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 25/4

16:50-08:20

1 stop14h 30m

San Sebastián

Tue 28/4

17:55-07:55

1 stop15h 00m

£106

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 16/5

16:50-08:20

1 stop14h 30m

San Sebastián

Tue 19/5

17:55-07:55

1 stop15h 00m

£117

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 13/6

16:50-08:20

1 stop14h 30m

San Sebastián

Tue 16/6

17:55-07:55

1 stop15h 00m

£149

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 25/4

16:50-08:20

1 stop14h 30m

San Sebastián

Sat 2/5

08:55-21:45

1 stop13h 50m

£159

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 15/9

20:25-09:40

1 stop12h 15m

San Sebastián

Tue 29/9

17:55-07:55

1 stop15h 00m

£167

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 9/9

08:25-17:20

1 stop7h 55m

San Sebastián

Fri 18/9

17:55-08:40

2 stops15h 45m

£228

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 14/4

06:30-17:20

1 stop9h 50m

San Sebastián

Sun 19/4

12:20-22:00

1 stop10h 40m

£235

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 19/6

20:40-09:45

1 stop12h 05m

San Sebastián

Mon 22/6

17:55-12:30

2 stops19h 35m

£236
Fastest return journey

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 15/4

08:25-17:20

1 stop7h 55m

San Sebastián

Sun 19/4

12:20-22:00

1 stop10h 40m

£237

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 15/4

17:30-08:35

2 stops14h 05m

San Sebastián

Sun 19/4

12:20-22:00

1 stop10h 40m

£245

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Sebastian from

How to get the cheapest flight ticket from London Southend Airport to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Sebastian?

Our data shows that Sunday is the least expensive day to fly to San Sebastian. Tickets to fly out on this day can be as low as £308. On the other hand, Wednesday is the most expensive day to depart from London Southend Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,141.

What is the cheapest time of day to depart on your flight to San Sebastian?

The cheapest time of day to fly to San Sebastian is at midday when flights can be purchased for as low as £362. In contrast, the most expensive time of day to depart to San Sebastian is in the morning when prices are around £382.

When to book flights from London Southend Airport to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from London Southend Airport to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Southend Airport to San Sebastian (SEN to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to San Sebastian

Fastest flight time

5h 40m

Direct flights

None
The fastest flight from London Southend Airport to San Sebastian takes 5h 40m
There are no direct flights from London Southend Airport to San Sebastian. There are no popular flight routes from London Southend Airport to San Sebastian.
Search flight deals

  • How far is London Southend to San Sebastián by plane?

    The distance between London Southend and San Sebastián is about 583.6 mi. Typically, this will take 5h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from London Southend Airport to San Sebastián Airport?

    Prices for flights from London Southend Airport to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from London Southend Airport to San Sebastián Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Southend Airport to San Sebastián Airport.

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

    The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

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

It is quick and easy to find London to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

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

All flight searches from London to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Sebastian?

Once you have performed a search for London to San Sebastian flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to San Sebastian flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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