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Cheap flights from San Sebastian to London Heathrow Airport from £65

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — LHR
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Sebastian to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from San Sebastian to Heathrow
Explore the most affordable flight options available from San Sebastian to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Fri 1/517:55
EAS
-
LHR
2 stops21h 50m
Vueling
Mon 4/520:50
LHR
-
EAS
1 stop10h 30m
Vueling
Deal found 22/1£140
Sat 7/314:05
EAS
-
LHR
1 stop7h 00m
Vueling
Sat 14/320:50
LHR
-
EAS
1 stop15h 40m
Vueling
Deal found 21/1£147
Sat 7/314:05
EAS
-
LHR
1 stop7h 00m
Multiple Airlines
Wed 11/318:45
LHR
-
EAS
1 stop12h 55m
Multiple Airlines
Deal found 20/1£162
Sat 7/314:05
EAS
-
LHR
1 stop7h 00m
Vueling
Wed 11/318:50
LHR
-
EAS
2 stops17h 40m
Vueling
Deal found 20/1£163
Fri 5/608:55
EAS
-
LHR
1 stop12h 10m
Vueling
Mon 8/620:50
LHR
-
EAS
1 stop10h 30m
Vueling
Deal found 20/1£164
Sat 7/314:05
EAS
-
LHR
1 stop7h 00m
Multiple Airlines
Sat 14/310:45
LHR
-
EAS
1 stop9h 05m
Multiple Airlines
Deal found 21/1£168
Mon 30/308:55
EAS
-
LHR
1 stop12h 10m
Vueling
Sat 11/420:50
LHR
-
EAS
1 stop10h 30m
Vueling
Deal found 21/1£168
Thu 26/214:05
EAS
-
LHR
1 stop7h 00m
Multiple Airlines
Mon 2/319:05
LHR
-
EAS
1 stop12h 35m
Multiple Airlines
Deal found 20/1£179
Sat 28/214:05
EAS
-
LHR
1 stop7h 00m
Multiple Airlines
Sun 8/309:15
LHR
-
EAS
1 stop26h 45m
Multiple Airlines
Deal found 20/1£180
Tue 31/308:55
EAS
-
LHR
1 stop12h 10m
Vueling
Fri 10/409:55
LHR
-
EAS
1 stop6h 25m
Vueling
Deal found 21/1£181

Find flight deals from San Sebastian to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to Heathrow (LHR). 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 22 January 2026.

Round-trip from

£140

One-way from

£65

Popular in

June

Cheapest in

February
Vueling
  • Vueling
  • 1/5-4/5
  • 3 total stops
  • 32h 20m total
  • San Sebastian to London
Search Deals
Iberia
  • Iberia
  • 16/6
  • 1 total stop
  • 20h 45m total
  • San Sebastian to London
Search Deals
Highest demand for flights based on searches. 41% potential increase in price (£147 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£24 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Sebastian to Heathrow 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 22 January 2026.
Use the filters below to find and compare flights from San Sebastian to London Heathrow Airport that are best for you.

Fly from

San Sebastian

Fly to

Heathrow

Route

Depart

Return

Price

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Fri 1/5

17:55-14:45

2 stops21h 50m

London Heathrow

Mon 4/5

20:50-08:20

1 stop10h 30m

£140

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 7/3

14:05-20:05

1 stop7h 00m

London Heathrow

Sat 14/3

20:50-13:30

1 stop15h 40m

£147

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 7/3

14:05-20:05

1 stop7h 00m

London Heathrow

Wed 11/3

18:45-08:40

1 stop12h 55m

£162

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 7/3

14:05-20:05

1 stop7h 00m

London Heathrow

Wed 11/3

18:50-13:30

2 stops17h 40m

£163

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 7/3

14:05-20:05

1 stop7h 00m

London Heathrow

Sat 14/3

10:45-20:50

1 stop9h 05m

£168

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Thu 26/2

14:05-20:05

1 stop7h 00m

London Heathrow

Mon 2/3

19:05-08:40

1 stop12h 35m

£179

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 28/2

14:05-20:05

1 stop7h 00m

London Heathrow

Sun 8/3

09:15-13:00

1 stop26h 45m

£180

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Tue 31/3

08:55-20:05

1 stop12h 10m

London Heathrow

Fri 10/4

09:55-17:20

1 stop6h 25m

£181

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Fri 6/3

21:30-08:25

1 stop11h 55m

London Heathrow

Fri 13/3

06:15-13:00

1 stop5h 45m

£182

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 28/2

21:30-08:25

1 stop11h 55m

London Heathrow

Sun 8/3

06:15-13:00

1 stop5h 45m

£184

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 22 results
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Best time to book a flight from San Sebastian to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from San Sebastian to London Heathrow Airport (average of £47). Flying from San Sebastian to London Heathrow Airport in August is currently the most expensive (average of £95). 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.

Related info for your journey

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

    If you book a flight to London Heathrow from San Sebastian, you will be flying from 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 San Sebastián to London Heathrow per day from 0 different airlines.

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

    Departing from San Sebastian to London Heathrow Airport will take you 21h 50m. Airlines will cover a distance of 564 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Sebastian to Heathrow 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 Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from San Sebastian to London Heathrow Airport (average of £47). Flying from San Sebastian to London Heathrow Airport in August is currently the most expensive (average of £95). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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Deals for San Sebastian to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from San Sebastian.

Can Cheapflights find flights from San Sebastian to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from San Sebastian? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for San Sebastian to Heathrow 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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