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Cheap flights from Kos to London Heathrow Airport from £65

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LHR
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kos to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Kos to Heathrow
Explore the most affordable flight options available from Kos to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 May 2026.

Sat 13/620:35
KGS
-
LHR
1 stop22h 30m
Brussels Airlines
Sat 20/606:50
LHR
-
KGS
1 stop25h 35m
Brussels Airlines
Deal found 16/5£227
Sat 13/609:40
KGS
-
LHR
1 stop7h 00m
Lufthansa
Sat 20/609:30
LHR
-
KGS
2 stops8h 15m
Lufthansa
Deal found 16/5£233
Sun 5/715:15
KGS
-
LHR
1 stop6h 05m
Multiple Airlines
Sun 12/719:30
LHR
-
KGS
1 stop11h 25m
Multiple Airlines
Deal found 13/5£291
Mon 29/609:20
KGS
-
LHR
1 stop8h 10m
Aegean Airlines
Fri 3/716:35
LHR
-
KGS
1 stop6h 00m
Aegean Airlines
Deal found 15/5£296
Mon 29/609:45
KGS
-
LHR
1 stop9h 55m
Multiple Airlines
Fri 3/719:30
LHR
-
KGS
1 stop23h 05m
Multiple Airlines
Deal found 16/5£308
Thu 18/609:20
KGS
-
LHR
1 stop10h 35m
Aegean Airlines
Sun 21/622:15
LHR
-
KGS
1 stop24h 20m
Aegean Airlines
Deal found 13/5£319
Tue 30/606:00
KGS
-
LHR
1 stop7h 15m
Aegean Airlines
Fri 3/722:15
LHR
-
KGS
1 stop8h 35m
Aegean Airlines
Deal found 13/5£320

Find flight deals from Kos to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Kos (KGS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 May 2026.

Round-trip from

£227

One-way from

£65
Brussels Airlines
  • Brussels Airlines
  • 13/6-20/6
  • 2 total stops
  • 48h 05m total
  • Kos to London
Search Deals
8/6
  • 8/6
  • 2 total stops
  • 17h 45m total
  • Kos to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kos to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 May 2026.
Use the filters below to find and compare flights from Kos to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KosLondon

KGS - LHR

KGSLHR

Kos

Sat 13/6

20:35-17:05

1 stop22h 30m

London Heathrow

Sat 20/6

06:50-10:25

1 stop25h 35m

£227
Fastest return journey

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 29/6

09:20-15:30

1 stop8h 10m

London Heathrow

Fri 3/7

16:35-00:35

1 stop6h 00m

£296

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 29/6

09:45-16:40

1 stop8h 55m

London Heathrow

Fri 3/7

19:30-20:35

1 stop23h 05m

£311

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 18/6

09:20-17:55

1 stop10h 35m

London Heathrow

Sun 21/6

22:15-00:35

1 stop24h 20m

£319

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 30/6

06:00-11:15

1 stop7h 15m

London Heathrow

Fri 3/7

22:15-08:50

1 stop8h 35m

£320

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 29/6

12:40-20:40

2 stops10h 00m

London Heathrow

Fri 3/7

17:30-08:50

1 stop13h 20m

£367

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 29/6

18:40-08:05

1 stop15h 25m

London Heathrow

Tue 30/6

19:00-10:40

1 stop13h 40m

£402

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

12:35-21:10

1 stop10h 35m

London Heathrow

Thu 3/9

16:35-00:35

1 stop6h 00m

£421

KosLondon

KGS - LHR

KGSLHR

Kos

Sun 5/7

20:00-15:30

2 stops21h 30m

London Heathrow

Sun 12/7

22:15-15:30

2 stops15h 15m

£422

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 29/6

06:00-15:30

1 stop11h 30m

London Heathrow

Tue 30/6

22:15-14:50

2 stops14h 35m

£437

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Kos to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Kos with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Kos to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kos to London Heathrow?

    Located just 12.8 mi from the city center, Kos is the airport most travelers will use when flying to London Heathrow from Kos. Booking flights from Kos (KGS) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Kos to London Heathrow Airport?

    There are many flights that can get you from Kos to London Heathrow Airport in 8h 10m. Fly via Brussels Airlines or Aegean Airlines to get the fastest option. The distance from Kos to London Heathrow Airport is about 1683 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Kos to Heathrow that include hotel bookings?

    Yes. In addition to deals on Kos to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kos to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kos to Heathrow.

  • Can I find deals for business class flights from Kos to Heathrow?

    Yes. Cheapflights offers flight deals from Kos to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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How does Cheapflights help users find flights from Kos to Heathrow?

When you search for this flight from Kos to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Kos to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Kos to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kos to Heathrow with no change fees?

Yes, we can. To see specific flights from Kos to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Kos to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Kos today and book when prices fit your budget.

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