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Cheap flights from Kos to London Heathrow Airport from £94

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LHR
30 Jul — 6 Aug1
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 30 June 2026.

Thu 6/821:10
KGS
-
LHR
1 stop13h 10m
Multiple Airlines
Sun 9/820:05
LHR
-
KGS
1 stop12h 05m
Multiple Airlines
Deal found 28/6£202
Tue 4/810:05
KGS
-
LHR
1 stop13h 35m
Austrian Airlines
Tue 25/819:30
LHR
-
KGS
1 stop23h 20m
Austrian Airlines
Deal found 26/6£206
Thu 9/721:10
KGS
-
LHR
1 stop13h 10m
Multiple Airlines
Wed 15/717:50
LHR
-
KGS
1 stop14h 35m
Multiple Airlines
Deal found 25/6£215
Thu 13/811:00
KGS
-
LHR
1 stop12h 45m
SWISS
Thu 20/820:05
LHR
-
KGS
1 stop17h 05m
SWISS
Deal found 29/6£218
Thu 23/721:10
KGS
-
LHR
1 stop13h 10m
Austrian Airlines
Thu 30/706:00
LHR
-
KGS
1 stop12h 20m
Austrian Airlines
Deal found 29/6£236
Tue 15/920:30
KGS
-
LHR
1 stop13h 25m
Multiple Airlines
Thu 24/912:20
LHR
-
KGS
1 stop6h 00m
Multiple Airlines
Deal found 26/6£240
Sun 5/711:25
KGS
-
LHR
1 stop24h 50m
Multiple Airlines
Sun 12/707:30
LHR
-
KGS
1 stop23h 25m
Multiple Airlines
Deal found 28/6£255
Wed 29/719:55
KGS
-
LHR
1 stop14h 20m
Multiple Airlines
Wed 5/806:00
LHR
-
KGS
1 stop11h 55m
Multiple Airlines
Deal found 29/6£273
Thu 2/711:00
KGS
-
LHR
1 stop7h 25m
Multiple Airlines
Wed 8/717:50
LHR
-
KGS
1 stop14h 35m
Multiple Airlines
Deal found 27/6£278
Thu 2/721:10
KGS
-
LHR
1 stop26h 30m
Austrian Airlines
Thu 9/706:00
LHR
-
KGS
1 stop12h 20m
Austrian Airlines
Deal found 25/6£288

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 30 June 2026.

Round-trip from

£202

One-way from

£94
SWISS
  • SWISS
  • 6/8-9/8
  • 2 total stops
  • 25h 15m total
  • Kos to London
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 17h 15m 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 30 June 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

Thu 6/8

21:10-08:20

1 stop13h 10m

London Heathrow

Sun 9/8

20:05-10:10

1 stop12h 05m

£202

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 9/7

21:10-08:20

1 stop13h 10m

London Heathrow

Wed 15/7

17:50-10:25

1 stop14h 35m

£215

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

11:00-21:45

1 stop12h 45m

London Heathrow

Thu 20/8

20:05-15:10

1 stop17h 05m

£218

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 23/7

21:10-08:20

1 stop13h 10m

London Heathrow

Thu 30/7

06:00-20:20

1 stop12h 20m

£242

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 1/10

06:00-17:55

1 stop13h 55m

London Heathrow

Sat 10/10

22:15-07:35

1 stop7h 20m

£305
Fastest return journey

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

06:00-11:15

1 stop7h 15m

London Heathrow

Thu 3/9

16:35-00:35

1 stop6h 00m

£330

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 15/9

06:00-21:10

1 stop17h 10m

London Heathrow

Thu 24/9

22:15-17:30

1 stop17h 15m

£339

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 1/10

06:00-17:55

1 stop13h 55m

London Heathrow

Sun 4/10

19:00-12:35

1 stop15h 35m

£385

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 15/9

18:10-09:55

2 stops17h 45m

London Heathrow

Thu 24/9

09:05-20:20

1 stop9h 15m

£408
Cheapest one-way

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 22/9

14:50-09:10

2 stops20h 20m

£106

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 12h 45m. Fly via SWISS, Austrian 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
Romford

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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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