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Cheap flights from San Sebastian to London Heathrow Airport from £73

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — LHR
25 Jun — 2 Jul1
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 26 May 2026.

Thu 2/709:05
EAS
-
LHR
1 stop12h 00m
Vueling
Mon 6/720:50
LHR
-
EAS
1 stop10h 30m
Vueling
Deal found 22/5£142
Thu 2/709:05
EAS
-
LHR
1 stop12h 00m
Vueling
Wed 8/720:50
LHR
-
EAS
1 stop10h 40m
Vueling
Deal found 24/5£149
Fri 7/821:30
EAS
-
LHR
1 stop25h 45m
Multiple Airlines
Mon 10/820:50
LHR
-
EAS
1 stop10h 30m
Multiple Airlines
Deal found 25/5£191
Fri 11/921:30
EAS
-
LHR
1 stop15h 30m
Multiple Airlines
Sun 20/920:50
LHR
-
EAS
1 stop10h 30m
Multiple Airlines
Deal found 25/5£192
Wed 8/708:55
EAS
-
LHR
1 stop12h 10m
Vueling
Thu 9/720:50
LHR
-
EAS
1 stop10h 30m
Vueling
Deal found 21/5£193
Tue 20/1017:55
EAS
-
LHR
1 stop16h 15m
Iberia
Wed 21/1020:50
LHR
-
EAS
1 stop10h 45m
Iberia
Deal found 24/5£196
Wed 2/921:30
EAS
-
LHR
1 stop25h 45m
Iberia
Sat 5/918:45
LHR
-
EAS
1 stop12h 55m
Iberia
Deal found 21/5£205
Fri 4/1221:30
EAS
-
LHR
1 stop20h 05m
Iberia
Mon 7/1219:05
LHR
-
EAS
1 stop12h 35m
Iberia
Deal found 23/5£206
Wed 8/721:30
EAS
-
LHR
2 stops18h 15m
Multiple Airlines
Thu 9/720:50
LHR
-
EAS
1 stop10h 30m
Multiple Airlines
Deal found 21/5£216
Fri 21/808:55
EAS
-
LHR
1 stop25h 15m
Iberia
Mon 24/820:50
LHR
-
EAS
1 stop10h 30m
Iberia
Deal found 25/5£222

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 26 May 2026.

Round-trip from

£142

One-way from

£73
Vueling
  • Vueling
  • 2/7-6/7
  • 2 total stops
  • 22h 30m total
  • San Sebastian to London
Search Deals
Iberia
  • Iberia
  • 21/10
  • 1 total stop
  • 20h 45m total
  • San Sebastian to London
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 26 May 2026.
Use the filters below to find and compare flights from San Sebastian to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Thu 2/7

09:05-20:05

1 stop12h 00m

London Heathrow

Mon 6/7

20:50-08:20

1 stop10h 30m

£142

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Thu 2/7

09:05-20:05

1 stop12h 00m

London Heathrow

Wed 8/7

20:50-08:30

1 stop10h 40m

£149

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Wed 8/7

08:55-20:05

1 stop12h 10m

London Heathrow

Thu 9/7

20:50-08:20

1 stop10h 30m

£193

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Fri 20/11

21:30-08:25

1 stop11h 55m

London Heathrow

Sun 22/11

10:45-20:50

1 stop9h 05m

£232

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Sat 29/8

21:30-10:35

1 stop14h 05m

London Heathrow

Tue 1/9

20:50-08:20

1 stop10h 30m

£266

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Fri 19/6

08:55-20:05

1 stop12h 10m

London Heathrow

Sun 21/6

20:50-08:20

1 stop10h 30m

£287

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Wed 2/9

21:30-11:55

1 stop15h 25m

London Heathrow

Sat 5/9

06:15-20:50

1 stop13h 35m

£288
Fastest return journey

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Thu 25/6

13:40-18:15

1 stop5h 35m

London Heathrow

Mon 29/6

09:15-20:50

1 stop10h 35m

£364
Cheapest one-way

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Mon 27/7

17:55-09:10

1 stop16h 15m

£90

San SebastianLondon

EAS - LHR

EASLHR

San Sebastián

Wed 1/7

08:55-09:10

1 stop25h 15m

£104

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.

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 12h. 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.

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
Hounslow
Milton Keynes
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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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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