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Cheap flights from London Southend Airport to San Sebastian from £45

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 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
07:00 - 13:30SEN-EAS
29h 30m2 stops
Multiple Airlines Logo
14:05 - 22:55EAS-SEN
9h 50m2 stops
£131Multiple Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
06:50 - 13:30SEN-EAS
5h 40m1 stop
Multiple Airlines Logo
14:05 - 20:15EAS-SEN
7h 10m1 stop
£146Multiple Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Multiple Airlines Logo
06:50 - 13:30SEN-EAS
5h 40m1 stop
Multiple Airlines Logo
14:05 - 20:15EAS-SEN
7h 10m1 stop
£198Multiple Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Multiple Airlines Logo
16:05 - 13:30SEN-EAS
20h 25m2 stops
Multiple Airlines Logo
14:05 - 23:00EAS-SEN
9h 55m2 stops
£257Multiple Airlines
Find Deal
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
06:40 - 08:40SEN-EAS
25h 00m2 stops
Multiple Airlines Logo
14:05 - 19:45EAS-SEN
6h 40m1 stop
£352Multiple Airlines
Find Deal
Sat, 20 Dec - Tue, 23 Dec
Multiple Airlines Logo
17:30 - 13:30SEN-EAS
19h 00m2 stops
Multiple Airlines Logo
14:05 - 23:00EAS-SEN
9h 55m2 stops
£454Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
15:55 - 13:30SEN-EAS
20h 35m2 stops
Multiple Airlines Logo
14:05 - 22:25EAS-SEN
9h 20m2 stops
£663Multiple Airlines
Find Deal
Tue, 23 Dec - Tue, 30 Dec

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 8 November 2025.
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

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Wed 4/3

07:00-13:30

2 stops29h 30m

San Sebastián

Wed 11/3

14:05-22:55

2 stops9h 50m

£131

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 4/12

06:50-13:30

1 stop5h 40m

San Sebastián

Sun 7/12

14:05-20:15

1 stop7h 10m

£146

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Thu 4/12

06:50-13:30

1 stop5h 40m

San Sebastián

Sun 7/12

14:05-20:15

1 stop7h 10m

£198

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 16/1

16:05-13:30

2 stops20h 25m

San Sebastián

Mon 19/1

14:05-23:00

2 stops9h 55m

£257

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 20/12

06:40-08:40

2 stops25h 00m

San Sebastián

Tue 23/12

14:05-19:45

1 stop6h 40m

£352

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Mon 8/12

17:30-13:30

2 stops19h 00m

San Sebastián

Mon 15/12

14:05-23:00

2 stops9h 55m

£454

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 23/12

15:55-13:30

2 stops20h 35m

San Sebastián

Tue 30/12

14:05-22:25

2 stops9h 20m

£663

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 17/3

20:20-13:30

1 stop16h 10m

£45

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Tue 17/3

15:55-13:30

2 stops20h 35m

£69

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 28/11

12:50-10:45

2 stops20h 55m

£124

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 £245. 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 £734.

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 in the evening when flights can be purchased for as low as £186. In contrast, the most expensive time of day to depart to San Sebastian is in the morning when prices are around £370.

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

Direct flights

None
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.
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  • 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
Hondarribia
Irun

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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