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Cheap Flights from Kos to London Heathrow

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Compare Kos to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Kos to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Kos to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.R 1,730 per passenger.Departing Fri, 9 May.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Fri, 9 May, arriving in London Heathrow.Price includes taxes and charges.From R 1,730, select.
London.R 1,912 per passenger.Departing Wed, 17 Sep.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Kos on Wed, 17 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 1,912, select.
London.R 2,110 per passenger.Departing Mon, 23 Jun.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Mon, 23 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 2,110, select.
London.R 2,216 per passenger.Departing Mon, 16 Feb.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Mon, 16 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 2,216, select.
London.R 2,239 per passenger.Departing Wed, 23 Apr.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Kos on Wed, 23 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 2,239, select.
London.R 2,260 per passenger.Departing Tue, 15 Jul.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Tue, 15 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 2,260, select.
London.R 2,618 per passenger.Departing Wed, 6 Aug.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Kos on Wed, 6 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 2,618, select.
London.R 2,669 per passenger.Departing Tue, 4 Nov.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Tue, 4 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 2,669, select.

Find the cheapest month to fly from Kos to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kos to London Heathrow flights are currently cheapest in May.
Mar
from R 2,939
Apr
from R 2,239
May
from R 1,730
Jun
from R 2,110
Jul
from R 2,260
Aug
from R 2,618
Sep
from R 1,912
Oct
from R 2,735
Nov
from R 2,669
Dec
Find prices
Jan
from R 4,191
Feb
from R 2,216

Kos to London Heathrow: Alternative routes

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

Kos to London: Flight information

The things to know before you go.
Cheapest flight foundR 1,730
Cheapest month to flyMay

Finding cheap flights from Kos to London Heathrow: Frequently asked questions

The best price we found for a return flight from Kos to London Heathrow is R 3,968. 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 Kos to London Heathrow. But we found flights with one or more stops from R 3,968.
As of March 2025, there are no flights flying from Kos to London Heathrow.
The cheapest month to fly from Kos to London Heathrow is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to London Heathrow Airport on Monday, 12 May 2025.
No airlines currently offer direct flights between Kos Airport and London Heathrow 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 London Heathrow 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to London Heathrow.

Travelling from Kos Airport (KGS) to London Heathrow Airport (LHR): what you need to know

  • The average time for a direct flight from Kos Airport to London Heathrow Airport is 4 hours 10 minutes. London's timezone is UTC+0, making London 2 hours behind Greece.

  • You'll likely experience longer queues in popular months such as August and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • British Airways runs direct flights from Kos Airport to London Heathrow Airport. Book with this popular carrier, then get ready to check out the sights in London — plus maybe even more of United Kingdom if your schedule allows.

  • We make it a cinch to book a flight with a stopover. To see the options for flights from Kos Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Some popular stopovers between KGS and LHR include:

    • Eleftherios Venizelos International Airport

    • Stuttgart Airport

    • Frankfurt Airport

  • Remember, you may need a visa to enter United Kingdom. Visa regulations can vary and travel documentation requirements are constantly changing. Before reserving your cheap ticket from KGS to LHR, be sure to check with your airline and your destination country's local consulate or embassy for the most up-to-date information.

How to find the cheapest flights from Kos Airport (KGS) to London Heathrow Airport (LHR)

  • The lowest price we've seen for a one-way ticket from Kos Airport to London Heathrow Airport is R 1,730. For a return flight on this route, the best price is R 3,968. Depending on the availability when you book, these fares can change.

  • Score cheap tickets from KGS to LHR by booking at least 9 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • The cheapest month for tickets from Kos Airport to London Heathrow Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Snapping up a cheap ticket from KGS to LHR is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as the price has dropped.

  • Tailor your flights using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Kos Airport to London Heathrow Airport.

Handy information about Kos Airport (KGS)

  • Kos Airport is about 434 kilometres from central Greece. To help work out how to get there, use Google Maps. This useful traveller tool will show you the quickest route and public transport alternatives.

  • Have an early flight from Kos Airport to London Heathrow Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these hotels close to KGS:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 57 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey time of roughly 1 hour and 1 minute.

When to fly to London Heathrow Airport (LHR)

  • July is the most popular month for flights from Kos Airport to London Heathrow Airport. To escape the crowds, visit London in February.

  • Book your flight from Kos Airport to London Heathrow Airport for July if you want to go to London during its warmest month. Expect temperatures of between 11ºC and 26ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from KGS to LHR in January. Average temperatures are between 0ºC and 9ºC then.

More about London

Complete your London trip with hotels and a car rental

  • You've booked your cheap ticket to London Heathrow Airport — next up is finding a great stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in London.

Plan the rest of your trip from Kos to London

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