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Cheap flights from San Sebastian to London from £42

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 19/12. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — LON
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from San Sebastian to London

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to London (LON). 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

£110

One-way from

£42

Popular in

June

Cheapest in

November

Average price

£138

Good one-way deal

£73 or less
13/12-15/12
  • 13/12-15/12
  • 2 total stops
  • 22h 40m total
  • San Sebastian to London
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19/12
  • 19/12
  • 1 total stop
  • 10h 30m total
  • San Sebastian to London
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (£120 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from San Sebastián to London (LON).
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Find flight deals from San Sebastian to London

Cheapest flights from San Sebastian to London
Explore the most affordable flight options available from San Sebastian to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sat 13/1214:05EAS - STN
1 stop7h 30mMultiple Airlines
Mon 15/1221:20STN - EAS
1 stop15h 10mMultiple Airlines
Deal found 16/9£110
Sat 13/1214:05EAS - LGW
1 stop5h 40mMultiple Airlines
Mon 15/1206:55LGW - EAS
1 stop5h 35mMultiple Airlines
Deal found 16/9£110
Sat 13/1214:05EAS - LGW
1 stop5h 40mVueling
Mon 15/1215:40LGW - EAS
2 stops20h 50mVueling
Deal found 16/9£111
Sat 13/1214:05EAS - LTN
2 stops19h 25mMultiple Airlines
Mon 15/1206:25LTN - EAS
1 stop6h 05mMultiple Airlines
Deal found 16/9£120
Sat 25/1009:00EAS - STN
1 stop11h 25mMultiple Airlines
Wed 29/1020:55STN - EAS
1 stop15h 35mMultiple Airlines
Deal found 17/9£122
Wed 19/1113:40EAS - LTN
1 stop7h 40mMultiple Airlines
Fri 21/1116:30LTN - EAS
1 stop27h 20mMultiple Airlines
Deal found 17/9£122
Thu 16/1011:20EAS - LGW
1 stop26h 20mMultiple Airlines
Wed 22/1018:05LGW - EAS
1 stop13h 20mMultiple Airlines
Deal found 16/9£127
Thu 16/1009:00EAS - STN
1 stop8h 55mMultiple Airlines
Wed 22/1022:10STN - EAS
1 stop9h 15mMultiple Airlines
Deal found 16/9£131
Tue 30/920:10EAS - LGW
2 stops19h 35mMultiple Airlines
Fri 12/1206:50LGW - EAS
1 stop5h 40mMultiple Airlines
Deal found 17/9£133
Thu 16/1011:20EAS - LTN
1 stop16h 15mMultiple Airlines
Wed 22/1014:15LTN - EAS
2 stops17h 10mMultiple Airlines
Deal found 16/9£138
Thu 16/1009:00EAS - STN
1 stop12h 00mMultiple Airlines
Sun 19/1016:40STN - EAS
1 stop14h 30mMultiple Airlines
Deal found 17/9£139
Wed 19/1114:05EAS - LGW
1 stop7h 10mMultiple Airlines
Fri 21/1117:00LGW - EAS
1 stop26h 50mMultiple Airlines
Deal found 17/9£139

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Sebastian to London 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 San Sebastian to London that are best for you.

Fly from

San Sebastian

Fly to

London

Route

Depart

Return

Price

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Sat 13/12

14:05-20:35

1 stop7h 30m

London Stansted

Mon 15/12

21:20-13:30

1 stop15h 10m

£110

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Sat 13/12

14:05-18:45

1 stop5h 40m

London Gatwick

Mon 15/12

15:40-13:30

2 stops20h 50m

£111

San SebastianLondon

EAS - LTN

EASLTN

San Sebastián

Sat 13/12

14:05-08:30

2 stops19h 25m

London Luton

Mon 15/12

06:25-13:30

1 stop6h 05m

£120

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Sat 25/10

09:00-19:25

1 stop11h 25m

London Stansted

Wed 29/10

20:55-13:30

1 stop15h 35m

£122

San SebastianLondon

EAS - LTN

EASLTN

San Sebastián

Wed 19/11

13:40-20:20

1 stop7h 40m

London Luton

Fri 21/11

16:30-20:50

1 stop27h 20m

£122

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Sat 13/12

11:20-08:40

2 stops22h 20m

London Gatwick

Mon 15/12

15:40-13:30

2 stops20h 50m

£135

San SebastianLondon

EAS - LTN

EASLTN

San Sebastián

Thu 16/10

11:20-02:35

1 stop16h 15m

London Luton

Wed 22/10

14:15-08:25

2 stops17h 10m

£138

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Mon 19/1

21:30-07:45

1 stop11h 15m

London Stansted

Tue 20/1

17:20-13:30

1 stop19h 10m

£138

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Thu 16/10

09:00-20:00

1 stop12h 00m

London Stansted

Sun 19/10

16:40-08:10

1 stop14h 30m

£139

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Wed 19/11

14:05-20:15

1 stop7h 10m

London Gatwick

Fri 21/11

17:00-20:50

1 stop26h 50m

£139

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results
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Best time to book a flight from San Sebastian to London

Have a flexible travel schedule? Discover the best time to fly to London from San Sebastian 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.

Cheapflights Insights

Everything you need to know about your flight from San Sebastian to London

What is the cheapest month to book a flight from San Sebastian to London?

Currently, January is the cheapest month in which you can book a flight from San Sebastian to London (average of £112). Flying from San Sebastian to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EAS to LON?

Find hourly flight availability from San Sebastian to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Sebastian to London as you normally would.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian to London. 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 from for flights from San Sebastian to London?

    San Sebastián (EAS) is the airport you will fly out of if you book a flight from San Sebastian to London. You should not have trouble finding flights to London from San Sebastián; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Sebastian airport to London. It is only a 9.7 mi journey to San Sebastián (EAS) from San Sebastian’s city center.

  • How long is the flight from San Sebastian to London?

    A quick flight from San Sebastian to London can take about 5h 40m. Vueling provides one of the quickest options available for as low as £111. The distance between San Sebastian and London is about 544 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from San Sebastian to London?

    Most travelers choose San Sebastián - London Heathrow, San Sebastián - London Gatwick or San Sebastián - London Stansted when deciding on the best route from San Sebastian to London.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from San Sebastian to London?

    Currently, January is the cheapest month in which you can book a flight from San Sebastian to London (average of £112). Flying from San Sebastian to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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Why should you use Cheapflights to find cheap flight tickets from San Sebastian to London?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Sebastian to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Sebastian to London become cheaper?

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