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
21 Sep - 28 Sep	easyJet	direct
18 Sep - 25 Sep	easyJet	direct
14 Sep - 30 Sep	easyJet
11 Sep - 11 Sep	easyJet
21 Sep - 23 Sep	easyJet
23 Sep - 25 Sep	easyJet
07 Sep - 11 Sep	easyJet
11 Sep - 16 Sep	easyJet
14 Sep - 23 Sep	easyJet
28 Sep - 06 Oct	easyJet	direct
27 Sep - 05 Oct	Ryanair
24 Sep - 04 Oct	easyJet
28 Sep - 01 Oct	easyJet
26 Sep - 05 Oct	Ryanair
28 Sep - 01 Oct	Icelandair	direct
24 Sep - 04 Oct	Icelandair	direct
01 Sep - 01 Oct	Ryanair
26 Sep - 04 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Manchester to Keflavik in September from 88€

Return flights