Cheap Flights from London to Kos

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Flight deals from London to Kos

Looking for a cheap last-minute deal or the best return flight from London to Kos? Find the lowest prices on one-way and return tickets right here.

Kos.R 719 per passenger.Departing Sun, 21 Sep.One-way flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 21 Sep, arriving in Kos.Price includes taxes and charges.From R 719, select.

Kos.R 838 per passenger.Departing Sun, 2 Nov.One-way flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 2 Nov, arriving in Kos.Price includes taxes and charges.From R 838, select.

Kos.R 839 per passenger.Departing Mon, 20 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from London Stansted on Mon, 20 Oct, arriving in Kos.Price includes taxes and charges.From R 839, select.

Kos.R 851 per passenger.Departing Sun, 24 Aug.One-way flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 24 Aug, arriving in Kos.Price includes taxes and charges.From R 851, select.

Kos.R 1,569 per passenger.Departing Sun, 5 Apr.One-way flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 5 Apr, arriving in Kos.Price includes taxes and charges.From R 1,569, select.

Kos.R 1,740 per passenger.Departing Mon, 19 Jan.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Mon, 19 Jan, arriving in Kos.Price includes taxes and charges.From R 1,740, select.

Kos.R 2,208 per passenger.Departing Wed, 1 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 1 Jul, arriving in Kos.Price includes taxes and charges.From R 2,208, select.

Kos.R 2,221 per passenger.Departing Sun, 12 Jul.One-way flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 12 Jul, arriving in Kos.Price includes taxes and charges.From R 2,221, select.

Find the cheapest month to fly from London to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Kos flights are currently cheapest in September.

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Direct flights from London to Kos

London to Kos: Flight information

The things to know before you go.

Cheapest flight found	R 719
Cheapest month to fly	September
Average flight time	3 hrs, 57 mins
Most popular airline	TUI
Average flights per week	44

Finding cheap flights from London to Kos: Frequently asked questions

How much are return flights from London to Kos?

The best price we found for a return flight from London to Kos is R 2,103. 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.

How long does it take to fly from London to Kos?

3 hours and 57 minutes is the average flight time from London to Kos.

Which airlines fly direct from London to Kos?

TUI, BA Euroflyer and British Airways fly direct from London to Kos.

How many flights are there a week from London to Kos?

As of August 2025, there are 22 flights per week flying from London to Kos.

When is the cheapest time to fly from London to Kos?

The cheapest month to fly from London to Kos is usually August.

Which upcoming date is cheapest to fly from London to Kos Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Kos Airport on Sunday, 24 August 2025.

Can I get a direct flight from London to Kos Airport?

Yes – the average flight time is 3 hours and 57 minutes.

How can I find the best flight deal to Kos?

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.

When is the best time to book flights to Kos?

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.

Which is the cheapest airline to fly from London to Kos with?

The cheapest airline that flies to Kos is easyJet .

Travelling from London to Kos Airport (KGS): What you need to know

For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your flight from London to KGS.
Delays at check-in and security are more likely if you're jetting off during high season, so allow some extra breathing space. The recommendation for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

Airports in London

London Heathrow Airport (LHR)

Travelling from central London to LHR takes about 1 hour by public transport. If you drive, ride-share or grab a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic conditions.
Want a leisurely start to your trip? Stay near London Heathrow Airport. Whether you're boarding an early flight from London to Kos Airport or aren't a fan of being rushed, these hotels are just the thing:
When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights arrive within the scheduled time frame.

London Gatwick Airport (LGW)

Looking to fly out of London Gatwick Airport (LGW)? Direct London to Kos Airport (KGS) plane tickets are available from here.
From LGW, direct flights from London to KGS are available with British Airways.
On the LGW to KGS route, British Airways is the preferred choice of many.
You can get to LGW from the centre of London in approximately 1 hour 20 minutes by car, depending on traffic. The journey on public transport takes roughly 30 minutes to travel the 80 kilometres or so.
Get your holiday started early with an extra night away from home. Before your London to KGS flight, unwind in one of these hotels close to London Gatwick Airport:
London Gatwick Airport has an on-time performance rate of 69.26%. This figure highlights how often flights that depart from this airport make it to their destination on schedule.

Stansted Airport (STN)

One flight, zero drama. You can take a direct flight from London to Kos Airport departing from Stansted Airport (STN).
Jet2 is one well-known airline that offers direct London to KGS plane tickets from STN.
The majority of travellers choose to book seats with Jet2 from STN to KGS.
STN is around 64 kilometres from central London. The drive from the city centre to the terminal takes about 1 hour. If you're planning to take public transport, expect a journey of around 1 hour 25 minutes.
Wake up, take it easy and still make your London to Kos Airport flight with plenty of time to spare. These hotels near Stansted Airport make departure day a breeze if you're jetting off early:
The on-time performance record of STN is 64.73%. In simpler terms, that's how frequently flights departing this airport arrive as planned.

About Kos Airport (KGS)

Have a late flight from London to Kos Airport? Don't let it leave you bleary-eyed. Check in to one of these hotels near KGS and shut your eyes sooner:

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

R 719 is the best price for a one-way ticket from London to Kos Airport. Return flights start from R 2,103. These prices can change depending on demand.
Score cheap flights from London to KGS by booking three months ahead. Based on our research, that's the ideal time frame for finding the biggest deals.
Schedule your trip for August. That's the best month for scoring the biggest deals on London to Kos Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the cheapest price across every month.
Tailor your travel plans using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from London to Kos Airport.