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Cheap Flights from London Heathrow to San Sebastian

Compare London Heathrow to San Sebastian flight deals

Find the cheapest month or even day of the year to fly to San Sebastian

Book the best San Sebastian fare with no extra fees

Flight deals from London Heathrow to San Sebastian

Looking for a cheap last-minute deal or the best return flight from London Heathrow to San Sebastian? Find the lowest prices on one-way and return tickets right here.
San Sebastian.SAR 344 per passenger.Departing Mon, 6 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 6 Oct, arriving in San Sebastian.Price includes taxes and charges.From SAR 344, select.
San Sebastian.SAR 344 per passenger.Departing Wed, 24 Sep.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 24 Sep, arriving in San Sebastian.Price includes taxes and charges.From SAR 344, select.
San Sebastian.SAR 344 per passenger.Departing Sun, 4 Jan.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sun, 4 Jan, arriving in San Sebastian.Price includes taxes and charges.From SAR 344, select.
San Sebastian.SAR 344 per passenger.Departing Sat, 1 Nov.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 1 Nov, arriving in San Sebastian.Price includes taxes and charges.From SAR 344, select.
San Sebastian.SAR 364 per passenger.Departing Sat, 13 Dec.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 13 Dec, arriving in San Sebastian.Price includes taxes and charges.From SAR 364, select.
San Sebastian.SAR 381 per passenger.Departing Sun, 15 Jun.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sun, 15 Jun, arriving in San Sebastian.Price includes taxes and charges.From SAR 381, select.
San Sebastian.SAR 381 per passenger.Departing Wed, 7 May.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 7 May, arriving in San Sebastian.Price includes taxes and charges.From SAR 381, select.
San Sebastian.SAR 399 per passenger.Departing Tue, 22 Apr.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 22 Apr, arriving in San Sebastian.Price includes taxes and charges.From SAR 399, select.

Find the cheapest month to fly from London Heathrow to San Sebastian

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to San Sebastian flights are currently cheapest in September.
Apr
from SAR 399
May
from SAR 381
Jun
from SAR 381
Jul
from SAR 479
Aug
from SAR 454
Sep
from SAR 344
Oct
from SAR 344
Nov
from SAR 344
Dec
from SAR 364
Jan
from SAR 344
Feb
from SAR 432
Mar
from SAR 576

London Heathrow to San Sebastian: Alternative routes

Compare routes from London Heathrow to San Sebastian below. You may find an airport to fly into that's cheaper, faster, or easier than San Sebastian.

London to San Sebastian: Flight information

The things to know before you go.
Cheapest flight foundSAR 344
Cheapest month to flyJanuary

Finding cheap flights from London Heathrow to San Sebastian: Frequently asked questions

The best price we found for a return flight from London Heathrow to San Sebastian is SAR 643. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to San Sebastian. But we found flights with one or more stops from SAR 643.
As of April 2025, there are no flights flying from London Heathrow to San Sebastian.
The cheapest month to fly from London Heathrow to San Sebastian is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to San Sebastian Airport on Saturday, 13 December 2025.
No airlines currently offer direct flights between London Heathrow Airport and San Sebastian Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Sebastian but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Sebastian is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines offers the cheapest flight tickets to San Sebastian.

How to find cheap flights to San Sebastian from London Heathrow

Looking for cheap tickets from London Heathrow to San Sebastian? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London Heathrow to San Sebastian. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to San Sebastian from London Heathrow from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London Heathrow-San Sebastian ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Sebastian from London Heathrow.
  • Set up a Price Alert. You can easily track the fare of your cheap London Heathrow-San Sebastian flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London Heathrow and San Sebastian? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from London Heathrow and San Sebastian. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Sebastian, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London Heathrow to San Sebastian flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to San Sebastian from London Heathrow with hotels and car hire

    Once you've secured your cheap flight ticket from London Heathrow to San Sebastian, discover the best prices and exclusive rates for hotels in San Sebastian or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from London to San Sebastian

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.