Our cheapest offers for flights from London Heathrow to Kos

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
Best option London Heathrow Kos	Outbound 15/05/26 1 Stopover (ATH) A30601, A30228 10h 20min	Return 24/05/26 1 Stopover (ATH) A30221, A30600 07h 15min	Aegean Airlines		£235
London Heathrow Kos	Outbound 15/05/26 1 Stopover (FRA) LH0909, LH4418 15h 20min	Return 24/05/26 1 Stopover (ZRH) LX8357, LX0338 27h 30min	Lufthansa		£286
London Heathrow Kos	Outbound 15/05/26 1 Stopover (ATH) A30601, A30228 10h 20min	Return 24/05/26 1 Stopover (ATH) A30223, A30604 10h 35min	Aegean Airlines		£237
London Heathrow Kos	Outbound 15/05/26 1 Stopover (ATH) A30601, A30228 10h 20min	Return 24/05/26 1 Stopover (ATH) A30225, A30608 10h 05min	Aegean Airlines		£263
London Heathrow Kos	Outbound 15/05/26 1 Stopover (FRA) LH0909, LH4418 15h 20min	Return 24/05/26 1 Stopover (ZRH) LX8357, LX0338 27h 30min	Lufthansa		£291
London Heathrow Kos	Outbound 15/05/26 1 Stopover (FRA) LH0917, LH4418 12h 20min	Return 24/05/26 1 Stopover (ZRH) LX8357, LX0338 27h 30min	Lufthansa		£297
London Heathrow Kos	Outbound 15/05/26 1 Stopover (FRA) LH0917, LH4418 12h 20min	Return 24/05/26 1 Stopover (ZRH) LX8357, LX0338 27h 30min	Lufthansa		£302
London Heathrow Kos	Outbound 08/12/25 2 Stopovers (BRU, ATH) SN2104, SN3245, A30226 11h 15min	Return 24/12/25 2 Stopovers (ATH, BRU) A30223, SN3246, SN2103 10h 45min	Brussels Airlines, Aegean Airlines		£322 found 3 days ago
London Heathrow Kos	Outbound 15/05/26 1 Stopover (ATH) A30601, A30228 10h 20min	Return 24/05/26 1 Stopover (ATH) A30225, A30604 06h 50min	Aegean Airlines	?	£325
London Heathrow Kos	Outbound 08/12/25 1 Stopover (ATH) A30601, A30226 05h 50min	Return 24/12/25 1 Stopover (ATH) A30227, A30602 20h 55min	Aegean Airlines		£348 found 3 days ago

Important flight information

Flight information: London Heathrow - Kos

Outbound and return from	£ 234,97
Distance	2715 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Kos (KGS)
Destination country	Flights to Greece

Alternative routes to Greece

Flight London Heathrow - Athens from £ 83
Flight London Heathrow - Kefalonia Kefallinia from £ 235
Flight London Heathrow - Corfu from £ 201
Flight London Heathrow - Chania from £ 221
Flight London Heathrow - Santorini from £ 165
Flight London Heathrow - Mykonos from £ 165

Alternative flights to Kos

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