Our cheapest offers for flights from London Heathrow (LHR) to Kos (KGS)

Here you can compare cheap flights from London Heathrow (LHR) to Kos (KGS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Kos. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Kos	Outbound 06/10/26 1 Stopover (ATH) A30609, A30224 12h 20min	Return 20/10/26 1 Stopover (ATH) A30223, A30608 15h 00min	Aegean Airlines		£224
London Heathrow Kos Please note: transfer for connecting flight	Outbound 01/12/26 1 Stopover (ATH) A30609, A30220 07h 30min	Return 08/12/26 1 Stopover (ATH) A30223, A30608 09h 10min	Aegean Airlines		£241
London Heathrow Kos	Outbound 08/08/26 1 Stopover (VIE) OS0340, OS0869 12h 35min	Return 15/08/26 1 Stopover (ZRH) LX8357, LX0326 23h 05min	Austrian Airlines		£245
Best option London Heathrow Kos	Outbound 08/08/26 1 Stopover (HAM) EW7461, EW5316 06h 10min	Return 15/08/26 1 Stopover (ATH) A30221, A30600 07h 15min	Eurowings		£294
London Heathrow Kos	Outbound 08/08/26 1 Stopover (ZRH) LX0345, LX8356 12h 00min	Return 15/08/26 1 Stopover (ZRH) LX8357, LX0316 13h 10min	Swiss International Air Lines		£258
London Heathrow Kos	Outbound 08/08/26 1 Stopover (ZRH) LX0345, LX8356 12h 00min	Return 15/08/26 1 Stopover (ZRH) LX8357, LX0326 23h 05min	Swiss International Air Lines		£270
London Heathrow Kos	Outbound 08/08/26 1 Stopover (ZRH) LX0345, LX8356 12h 00min	Return 15/08/26 1 Stopover (ZRH) LX8357, LX0316 13h 10min	Swiss International Air Lines	?	£300
London Heathrow Kos	Outbound 08/08/26 1 Stopover (ZRH) LX0339, LX8356 16h 25min	Return 15/08/26 1 Stopover (ZRH) LX8357, LX0326 23h 05min	Swiss International Air Lines		£315
London Heathrow Kos	Outbound 01/12/26 2 Stopovers (MUC, ATH) LH2485, LH5916, A30224 08h 10min	Return 08/12/26 2 Stopovers (ATH, GVA) A30225, LX1823, LX0352 17h 00min	Lufthansa, Aegean Airlines	?	£365
London Heathrow Kos	Outbound 06/10/26 1 Stopover (ATH) A30603, A30228 06h 00min	Return 20/10/26 1 Stopover (ATH) A30223, A30608 15h 00min	Aegean Airlines	?	£371

Important flight information

Flight information: London Heathrow - Kos

Outbound and return from	£223.80
Distance	2715 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Kos (KGS)
Destination country	Flights to Greece
City-Code - Arrival airport	London - Kos
Departure airport - Destination country	London Heathrow - Greece

Alternative routes to Greece

Flight London Heathrow - Athens from £119
Flight London Heathrow - Kefalonia Kefallinia from £197
Flight London Heathrow - Santorini from £191
Flight London Heathrow - Chania from £216
Flight London Heathrow - Preveza from £328
Flight London Heathrow - Mykonos from £216

Alternative flights to Kos

Flight destinations with a similar price

Flight London Heathrow - Funchal from £210
Flight London Heathrow - Cologne from £234
Flight London Heathrow - Cardiff from £224
Flight London Heathrow - Pristina from £214
Flight London Heathrow - Lanzarote from £202
Flight London Heathrow - Fuerteventura from £226
Flight London Heathrow - Chania from £216
Flight London Heathrow - Mykonos from £216