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Cheap flights from London Heathrow Airport to San Sebastian from £60

LHR — EAS
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to San Sebastian

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to San Sebastian

Sat 12/1209:55 -
1 stop9h 40m
Mon 21/1214:10 -
1 stop6h 55m
Deal found 1/11£119
Sun 6/1218:45 -
1 stop12h 55m
Tue 15/1221:30 -
1 stop11h 55m
Deal found 30/10£135
Sat 12/1220:50 -
2 stops37h 05m
Mon 21/1214:10 -
1 stop6h 55m
Deal found 3/11£139
Thu 10/1209:55 -
1 stop6h 40m
Mon 14/1214:10 -
1 stop6h 55m
Deal found 2/11£153
Wed 2/1219:05 -
1 stop12h 35m
Wed 16/1213:40 -
1 stop6h 10m
Deal found 3/11£157

Find flight deals from Heathrow to San Sebastian

Round-trip from

£119

One-way from

£81

Popular in

December

Cheapest in

May

Average price

£233
Vueling
  • Vueling
  • 12/12-21/12
  • 2 total stops
  • 16h 35m total
  • London to San Sebastian
Search Deals
18/11-31/12
  • 18/11-31/12
  • 2 total stops
  • 20h 10m total
  • London to San Sebastian
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Tue 1/12

15:30-08:40

2 stops16h 10m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Fri 22/1

18:50-13:00

2 stops17h 10m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£90

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Fri 22/1

20:50-13:35

1 stop15h 45m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£94

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Sat 20/3

20:50-08:40

1 stop10h 50m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£106
Fastest return journey

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Mon 21/12

09:55-20:50

2 stops9h 55m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£114

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Tue 17/11

18:45-08:40

1 stop12h 55m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£119

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Sat 12/12

09:55-20:35

1 stop9h 40m

San Sebastián

Mon 21/12

14:10-20:05

1 stop6h 55m

£119

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Fri 19/3

20:50-13:35

1 stop15h 45m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£130

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Wed 30/12

09:55-13:35

1 stop26h 40m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

LondonSan Sebastian

LHR London Heathrow - EAS San Sebastián

LHREAS

London Heathrow

Tue 5/1

19:40-08:40

1 stop12h 00m

San Sebastián

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

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

What’s the top stopover airport for flights from London Heathrow Airport to San Sebastian?

Madrid (MAD) – chosen by Cheapflights users on 86% of one-stop itineraries from London Heathrow Airport to San Sebastian on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Sebastian?

Barcelona (BCN) is the most affordable one-stop option, with an average return flight price of £194.

What’s the fastest stopover option from London Heathrow Airport to San Sebastian?

Flights via Barcelona (BCN) have the shortest average one-way travel time for one-stop routes: 6h 25m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Sebastian?

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 2h 08m.

Related info for your journey

  • What airport do you fly into for flights to San Sebastian from London Heathrow?

    Located just 9.7 mi from the city center, San Sebastián is the airport most travelers will use when flying to San Sebastian from London Heathrow. Booking flights from London Heathrow to San Sebastián (EAS) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

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

    Airlines like Vueling fly from London Heathrow Airport to San Sebastian in about 9h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between London Heathrow Airport and San Sebastian is about 564 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to San Sebastian 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

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

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

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Not ready to book yet? You can track prices for flights from Heathrow to San Sebastian on Cheapflights with our Price Alert feature and get notified when better prices are available.

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