AirHint found the following cheapest return flights from Manchester (MAN) to Keflavik (KEF) in September 2025 (see full year).

Return flights

28 Sep - 02 Oct	easyJet	direct
21 Sep - 25 Sep	easyJet	direct
28 Sep - 05 Oct	easyJet	direct
18 Sep - 09 Oct	easyJet	direct
18 Sep - 25 Sep	easyJet	direct
07 Sep - 14 Sep	easyJet	direct
21 Sep - 23 Sep	easyJet
14 Sep - 18 Sep	easyJet	direct
11 Sep - 14 Sep	easyJet	direct
11 Sep - 18 Sep	easyJet	direct
04 Sep - 07 Sep	easyJet	direct
04 Sep - 14 Sep	easyJet	direct
25 Sep - 02 Oct	easyJet	direct
04 Sep - 11 Sep	easyJet	direct
18 Sep - 25 Oct	Ryanair
26 Sep - 01 Oct	Ryanair
19 Sep - 09 Oct	Ryanair
30 Sep - 15 Oct	Ryanair
28 Sep - 01 Oct	easyJet
28 Sep - 01 Oct	Icelandair	direct

Also check the deals for one-way flights from Manchester to Keflavik in September.

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 Keflavik in September from 114€

Return flights