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

Return flights

04 Sep - 10 Sep	Wizz Air
11 Sep - 17 Sep	Ryanair
29 Sep - 06 Oct	easyJet
01 Sep - 07 Sep	Ryanair
03 Sep - 09 Sep	Ryanair
08 Sep - 14 Sep	Ryanair
30 Sep - 06 Oct	Ryanair
12 Sep - 18 Sep	Ryanair
28 Sep - 02 Oct	Ryanair
14 Sep - 20 Sep	Ryanair
30 Sep - 07 Oct	Ryanair
02 Sep - 08 Sep	Wizz Air
09 Sep - 15 Sep	Ryanair
10 Sep - 16 Sep	Ryanair
28 Sep - 04 Oct	Ryanair
29 Sep - 05 Oct	easyJet
28 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Leeds 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 Leeds to Keflavik in September from 182€

Return flights