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

Return flights

29 Aug - 05 Sep	easyJet	direct
05 Aug - 19 Aug	TUI	direct
30 Aug - 10 Sep	Ryanair
05 Aug - 12 Aug	TUI	direct
28 Aug - 05 Sep	easyJet	direct
04 Aug - 11 Aug	Ryanair
17 Aug - 20 Aug	easyJet	direct
04 Aug - 08 Aug	Ryanair
28 Aug - 04 Sep	Ryanair
30 Aug - 05 Sep	Ryanair
09 Aug - 13 Aug	Brussels Airlines
09 Aug - 12 Aug	Brussels Airlines
25 Aug - 04 Sep	Ryanair
03 Aug - 07 Aug	TUI	direct
30 Aug - 10 Sep	Jet2	direct
19 Aug - 26 Aug	easyJet
25 Aug - 30 Aug	Ryanair
29 Aug - 02 Sep	easyJet
28 Aug - 04 Sep	TUI	direct
29 Aug - 07 Sep	easyJet	direct

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

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.

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Cheapest return flights from Manchester to Kos in August from 166€

Return flights