£89 Cheap Flights from London (LOND) to Kos (KGS)

Q: How much are return flights from London to Kos?

The best price we found for a return flight from London to Kos is £89. 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.

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

3 hours and 54 minutes is the average flight time from London to Kos.

Q: Which airlines fly direct from London to Kos?

TUI, Jet2 and British Airways fly direct from London to Kos.

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

As of April 2025, there are 24 flights per week flying from London to Kos.

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

The cheapest month to fly from London to Kos is usually April 2025.

Q: 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 Wednesday, 18 June 2025 .

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

Yes – the average flight time is 3 hours and 54 minutes.

Q: 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.

Q: 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.

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

The cheapest airline that flies to Kos is TUI .

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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.£89 per passenger.Departing Wed, 18 Jun, returning Mon, 30 Jun.Return flight with TUI.Outbound direct flight with TUI departs from London Gatwick on Wed, 18 Jun, arriving in Kos.Inbound direct flight with TUI departs from Kos on Mon, 30 Jun, arriving in London Gatwick.Price includes taxes and charges.From £89, select.

Kos.£91 per passenger.Departing Tue, 15 Jul, returning Mon, 21 Jul.Return flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Tue, 15 Jul, arriving in Kos.Inbound direct flight with easyJet departs from Kos on Mon, 21 Jul, arriving in London Gatwick.Price includes taxes and charges.From £91, select.

Kos.£92 per passenger.Departing Sun, 29 Jun, returning Mon, 7 Jul.Return flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 29 Jun, arriving in Kos.Inbound direct flight with easyJet departs from Kos on Mon, 7 Jul, arriving in London Gatwick.Price includes taxes and charges.From £92, select.

Kos.£95 per passenger.Departing Sun, 14 Sep, returning Mon, 22 Sep.Return flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Sun, 14 Sep, arriving in Kos.Inbound direct flight with easyJet departs from Kos on Mon, 22 Sep, arriving in London Gatwick.Price includes taxes and charges.From £95, select.

Kos.£105 per passenger.Departing Mon, 5 May, returning Thu, 8 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from London Stansted on Mon, 5 May, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Thu, 8 May, arriving in London Stansted.Price includes taxes and charges.From £105, select.

Kos.£110 per passenger.Departing Wed, 15 Apr, returning Wed, 22 Apr.Return flight with easyJet.Outbound direct flight with easyJet departs from London Gatwick on Wed, 15 Apr, arriving in Kos.Inbound direct flight with easyJet departs from Kos on Wed, 22 Apr, arriving in London Gatwick.Price includes taxes and charges.From £110, select.

Kos.£116 per passenger.Departing Tue, 20 May, returning Wed, 4 Jun.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Gatwick on Tue, 20 May, arriving in Kos.Inbound indirect flight with easyJet, departs from Kos on Wed, 4 Jun, arriving in London Gatwick.Price includes taxes and charges.From £116, select.

Kos.£121 per passenger.Departing Wed, 20 Aug, returning Wed, 17 Sep.Return flight with easyJet.Outbound indirect flight with easyJet, departs from London Luton on Wed, 20 Aug, arriving in Kos.Inbound indirect flight with easyJet, departs from Kos on Wed, 17 Sep, arriving in London Luton.Price includes taxes and charges.From £121, 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 June.

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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	£89
Cheapest month to fly	June
Average flight time	3 hrs, 54 mins
Most popular airline	TUI
Average flights per week	22

Finding cheap flights from London to Kos: Frequently asked questions

How much are return flights from London to Kos?

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

Which airlines fly direct from London to Kos?

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

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

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

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

How can I find the best flight deal to Kos?

When is the best time to book flights to Kos?

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

Flying from London to Kos Airport (KGS): what you need to know

Expect to be travelling for 4 hours. On average, that's the time it takes for a direct flight from London to Kos Airport.
The timezone in Greece is UTC+2, which is 2 hours ahead of London. Kos Airport is located in Greece.
London Heathrow Airport (LHR) to Kos Airport (KGS) is the most popular route. There are 6 direct flights a week to choose from. If you prefer starting your day later, take the last flight with easyJet at 18:00. Opt for the first LHR to KGS departure operated by Jet2 at 05:40 if you want to get going earlier.
To ensure you get on your flight from London to KGS, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
Show up at the airport even earlier during popular months like July. Aim for two hours before a domestic departure and up to four hours for international flights. After checking in, you can use any extra time to relax or grab something to eat.

Airports in London

London Heathrow Airport (LHR)

Take the express route from London Heathrow Airport (LHR). Direct flights from London to Kos Airport (KGS) can be booked from here.
If you plan to leave from LHR, you can catch a direct flight from London to Kos Airport with British Airways.
Consider adding a stopover to potentially save money on your flight from London to KGS. Just uncheck 'Direct flights only' when browsing departures from London Heathrow Airport (LHR). Break up the journey at one of these airports:
- Dusseldorf International Airport (DUS)
- Franz Josef Strauss Airport (MUC)
- Zurich Airport (ZRH)
The distance from central London to LHR is approximately 19 miles. Use travel apps like Google Maps for the quickest route, whether that's in your own car or with public transport.
Want a convenient hotel close to London Heathrow Airport? If you're catching an early flight from London to Kos Airport, these stays will put you moments from your departure lounge:

London Gatwick Airport (LGW)

Prefer to leave from London Gatwick Airport (LGW)? You can reserve a direct flight from London to Kos Airport (KGS) departing from this busy hub.
There are plenty of airlines that operate direct flights from London to KGS. Compare your options below to find out which carrier best fits your itinerary departing from LGW:
Visit friends or family or just take some time to unwind with a stopover. If you'd like to break up your flight from London to Kos Airport, check out these options when departing from London Gatwick Airport:
- Stuttgart Airport (STR)
- Eleftherios Venizelos International Airport (ATH)
- Frankfurt Airport (FRA)
You can reach LGW from central London in about 1 hour and 19 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour and 26 minutes to travel the 50 miles or so.
Get your holiday started early with an additional night away from home. Before catching your flight from London to KGS, kick back in one of these hotels near London Gatwick Airport:

About Kos Airport (KGS)

The last thing you need is a long journey to your hotel if you're arriving on a late flight from London to Kos Airport. Check in to one of these accommodation options near KGS instead:

Getting from Kos Airport (KGS) to central Greece

The centre of Greece is roughly 270 miles from Kos Airport. Journey times by cab or car rental will vary depending on time of day, so do a little research ahead of your trip.

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

£32 is the lowest price we've seen for a one-way ticket from London to Kos Airport. Return flights start from £89. Prices may vary depending on availability at the time of booking.
It's a good idea to book 2 months before your planned departure. Flight price data suggests you're more likely to find cheap tickets from London to KGS around that time.
You'll land the biggest savings on your tickets from London to Kos Airport if you plan your holiday for November. Go one step further and use the 'Whole month' tool to find the cheapest day to fly.
Create a Price Alert for cheap tickets from London to KGS. There's no need to check every day to find out if fares have dropped. We'll update you as soon as there's a change in price.
Personalise your trip with filters. Adjust the number of stops, duration, and arrival and departure times to find the right flight from London to Kos Airport. You can also sort the results to see the 'Best,' 'Cheapest' or 'Fastest' options first.

The best time to fly from London to Kos Airport (KGS)

August is the most popular month for flights from London to Kos Airport. To steer clear of the crowds, visit Greece in February when it's quieter.
The warmest month in Greece is July, with temperatures ranging between 22ºC and 33ºC. Book your flights from London to KGS in this month if this is the type of weather you enjoy.
If you want to travel in cooler conditions, look for a cheap flight from London to Kos Airport in January when temperatures average between 2ºC and 13ºC.

More about Greece

After booking your flight from London to Kos Airport, think about where you'd like to stay in this city. Make one of these accommodation options your base for exploring Greece:
Every great journey has to include some sightseeing. Agios Panteleimonas, Κύμα - Kyma - The wave and Τρείς μώλοι / Three piers beach are essential stops on your Greece itinerary.