Cheapest return flights from London to Kos in August from 219€

Best time to book flights for London (LON) to Kos (KGS) flights at AirHint

AirHint found the following cheapest return flights from London (LON) to Kos (KGS) in August 2025 (see full year).

Return flights

29 Aug - 08 Sep easyJet
21 Aug - 28 Aug Brussels Airlines
27 Aug - 03 Sep Brussels Airlines
18 Aug - 08 Sep Ryanair
21 Aug - 10 Sep Ryanair
21 Aug - 08 Sep Ryanair
21 Aug - 09 Sep Ryanair
23 Aug - 28 Aug Brussels Airlines
11 Aug - 26 Aug Brussels Airlines
26 Aug - 02 Sep easyJet
30 Aug - 16 Sep SKY express
21 Aug - 08 Sep Ryanair direct
22 Aug - 27 Aug Brussels Airlines
29 Aug - 08 Sep Jet2 direct
07 Aug - 08 Aug Ryanair
07 Aug - 14 Aug Ryanair
18 Aug - 23 Aug Brussels Airlines
11 Aug - 21 Aug SKY express
12 Aug - 16 Aug SWISS
10 Aug - 18 Aug Brussels Airlines

Also check the deals for one-way flights from London to Kos in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Kos

Cheap car rent in Kos