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Cheap flights from San Sebastian to London from £45

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — LON
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from San Sebastian to London

Enter your travel dates to find the best prices.

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 27 November 2025.

Thu 11/1221:30EAS - STN
1 stop27h 35mMultiple Airlines
Sun 14/1221:35STN - EAS
2 stops43h 30mMultiple Airlines
Deal found 26/11£216
Wed 10/1213:40EAS - STN
1 stop7h 35mMultiple Airlines
Sat 13/1215:30STN - EAS
2 stops16h 10mMultiple Airlines
Deal found 26/11£225
Sun 14/1209:20EAS - STN
1 stop15h 15mMultiple Airlines
Thu 18/1207:30STN - EAS
2 stops26h 05mMultiple Airlines
Deal found 25/11£229
Sun 14/1221:30EAS - LGW
1 stop12h 30mMultiple Airlines
Thu 18/1207:00LGW - EAS
1 stop5h 30mMultiple Airlines
Deal found 25/11£230
Wed 10/1213:40EAS - LGW
1 stop6h 20mMultiple Airlines
Sat 13/1216:00LGW - EAS
2 stops15h 40mMultiple Airlines
Deal found 26/11£233
Mon 8/1209:20EAS - STN
1 stop23h 25mMultiple Airlines
Wed 10/1218:10STN - EAS
2 stops37h 30mMultiple Airlines
Deal found 26/11£242
Mon 8/1209:20EAS - LHR
1 stop8h 15mIberia
Wed 10/1219:05LHR - EAS
1 stop12h 35mIberia
Deal found 26/11£245
Wed 3/1214:05EAS - LHR
1 stop4h 55mMultiple Airlines
Sun 7/1209:15LHR - EAS
1 stop10h 35mMultiple Airlines
Deal found 26/11£250
Fri 12/1214:05EAS - STN
1 stop10h 05mMultiple Airlines
Sun 14/1205:55STN - EAS
1 stop6h 35mMultiple Airlines
Deal found 26/11£268
Wed 10/1213:40EAS - LHR
1 stop4h 35mIberia
Sat 13/1218:45LHR - EAS
1 stop12h 55mIberia
Deal found 26/11£270
Wed 3/1214:05EAS - LTN
1 stop23h 00mMultiple Airlines
Sun 7/1206:20LTN - EAS
1 stop6h 10mMultiple Airlines
Deal found 26/11£271
Wed 3/1221:30EAS - STN
2 stops27h 15mMultiple Airlines
Sun 7/1207:40STN - EAS
1 stop24h 00mMultiple Airlines
Deal found 26/11£272

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 27 November 2025.

Round-trip from

£108

One-way from

£45

Popular in

June

Cheapest in

September
24/1-28/1
  • 24/1-28/1
  • 2 total stops
  • 23h 05m total
  • San Sebastian to London
Search Deals
9/1
  • 9/1
  • 1 total stop
  • 9h 55m total
  • San Sebastian to London
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£23 potential savings vs. average return price).
Search Deals

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 27 November 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

Thu 8/1

14:05-20:55

1 stop7h 50m

London Stansted

Sun 11/1

05:55-13:30

1 stop6h 35m

£113

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Sat 10/1

14:05-20:35

1 stop7h 30m

London Stansted

Sat 17/1

21:00-13:30

1 stop15h 30m

£115

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Sat 24/1

14:05-11:20

2 stops22h 15m

London Stansted

Wed 28/1

20:55-13:30

1 stop15h 35m

£122

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Thu 8/1

14:05-23:30

1 stop10h 25m

London Gatwick

Sun 11/1

15:30-08:40

1 stop16h 10m

£122

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Fri 9/1

14:05-00:40

1 stop11h 35m

London Stansted

Fri 16/1

05:55-13:30

1 stop6h 35m

£123

San SebastianLondon

EAS - LTN

EASLTN

San Sebastián

Fri 9/1

14:05-22:20

1 stop9h 15m

London Luton

Fri 16/1

20:50-13:30

2 stops39h 40m

£127

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Thu 8/1

14:05-23:30

1 stop10h 25m

London Gatwick

Sun 11/1

21:05-13:30

2 stops15h 25m

£129

San SebastianLondon

EAS - LTN

EASLTN

San Sebastián

Sat 10/1

14:05-08:30

2 stops19h 25m

London Luton

Sat 17/1

14:40-13:30

2 stops21h 50m

£135

San SebastianLondon

EAS - LGW

EASLGW

San Sebastián

Mon 12/1

14:05-23:20

1 stop10h 15m

London Gatwick

Mon 19/1

15:40-13:30

2 stops20h 50m

£136

San SebastianLondon

EAS - STN

EASSTN

San Sebastián

Thu 12/2

21:30-00:05

1 stop27h 35m

London Stansted

Mon 16/2

15:05-13:30

2 stops45h 25m

£139

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 57 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, December is the cheapest month in which you can book a flight from San Sebastian to London (average of £25). Flying from San Sebastian to London in August is currently the most expensive (average of £88). 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.

How much does it cost for a return flight from San Sebastian to London?

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 10h 25m. Vueling provides one of the quickest options available for as low as £129. 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, December is the cheapest month in which you can book a flight from San Sebastian to London (average of £25). Flying from San Sebastian to London in August is currently the most expensive (average of £88). 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?

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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?

Yes! Start tracking prices for San Sebastian to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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