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Cheap Flights from London Heathrow to Kos

Compare London Heathrow to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

Book the best Kos fare with no extra fees

Flight deals from London Heathrow to Kos

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.Rs30,789 per passenger.Departing Wed, 22 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 22 Oct, arriving in Kos.Price includes taxes and charges.From Rs30,789, select.
Kos.Rs33,467 per passenger.Departing Tue, 30 Sep.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from London Heathrow on Tue, 30 Sep, arriving in Kos.Price includes taxes and charges.From Rs33,467, select.
Kos.Rs38,870 per passenger.Departing Sat, 30 Aug.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 30 Aug, arriving in Kos.Price includes taxes and charges.From Rs38,870, select.
Kos.Rs38,900 per passenger.Departing Thu, 9 Apr.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from London Heathrow on Thu, 9 Apr, arriving in Kos.Price includes taxes and charges.From Rs38,900, select.
Kos.Rs39,445 per passenger.Departing Wed, 5 Nov.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 5 Nov, arriving in Kos.Price includes taxes and charges.From Rs39,445, select.
Kos.Rs40,571 per passenger.Departing Wed, 3 Jun.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 3 Jun, arriving in Kos.Price includes taxes and charges.From Rs40,571, select.
Kos.Rs42,196 per passenger.Departing Thu, 31 Jul.One-way flight with Eurowings.Outbound indirect flight with Eurowings, departs from London Heathrow on Thu, 31 Jul, arriving in Kos.Price includes taxes and charges.From Rs42,196, select.
Kos.Rs47,136 per passenger.Departing Thu, 21 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 21 May, arriving in Kos.Price includes taxes and charges.From Rs47,136, select.

Find the cheapest month to fly from London Heathrow to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Kos flights are currently cheapest in October.
Jul
from Rs42,196
Aug
from Rs38,870
Sep
from Rs33,467
Oct
from Rs30,789
Nov
from Rs39,445
Dec
from Rs47,156
Jan
from Rs58,276
Feb
Find prices
Mar
Find prices
Apr
from Rs38,900
May
from Rs47,136
Jun
from Rs40,571

London to Kos: Flight information

The things to know before you go.
Cheapest flight foundRs30,789
Cheapest month to flyOctober

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

The best price we found for a return flight from London Heathrow to Kos is Rs49,183. 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 Kos. But we found flights with one or more stops from Rs49,183.
As of July 2025, there are no flights flying from London Heathrow to Kos.
The cheapest month to fly from London Heathrow to Kos is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Kos Airport on Wednesday, 22 October 2025.
No airlines currently offer direct flights between London Heathrow Airport and Kos 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 Kos 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 Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to Kos.

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

  • Book a direct flight from London Heathrow Airport to Kos Airport and you'll be travelling for an average of 4 hours.

  • Arrive at the airport on time so you don't miss your LHR to KGS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • Planning to travel during a peak period like public or school holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Most travellers choose to travel with British Airways on this route.

  • If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Kos Airport. Here are the most popular stopovers between LHR and KGS:

    • Franz Josef Strauss Airport

    • Zurich Airport

    • Frankfurt Airport

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

  • Rs30,789 is currently the best price for a one-way London Heathrow Airport to Kos Airport flight. Return flights start from Rs49,183. These fares may change based on availability.

  • It's usually best to book early if you're hoping to get cheap tickets from LHR to KGS. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • November is the cheapest month for flights from London Heathrow Airport to Kos Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as a special offer becomes available on cheap flights from LHR to KGS.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from London Heathrow Airport to Kos Airport.

Handy information about London Heathrow Airport (LHR)

  • Of the departures from London Heathrow Airport, 68.18% arrive on time at their destination.

  • London Heathrow Airport is around 31 kilometres from central London. If you're driving, catching a cab or ride-sharing from the centre, it'll take 55 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of roughly 1 hour on public transport.

  • Looking for a handy hotel near LHR? If you're catching an early flight from London Heathrow Airport to Kos Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Kos Airport (KGS)

  • Reserving your vehicle from Kos Airport about three weeks in advance can help you secure the lowest rate.

Plan the rest of your trip from London to Kos

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