AirHint found the following cheapest return flights from Bristol (BRS) to Keflavik (KEF) in October 2025 (see full year).

Return flights

03 Oct - 08 Oct	easyJet
26 Oct - 28 Oct	Ryanair
24 Oct - 28 Oct	easyJet
19 Oct - 26 Oct	easyJet
15 Oct - 19 Oct	Jet2	direct
26 Oct - 28 Oct	easyJet	direct
10 Oct - 12 Oct	Ryanair
06 Oct - 12 Oct	easyJet
30 Oct - 02 Nov	easyJet
26 Oct - 29 Oct	Ryanair
16 Oct - 20 Oct	Ryanair
28 Oct - 02 Nov	easyJet
31 Oct - 02 Nov	easyJet
26 Oct - 02 Nov	Ryanair
30 Oct - 02 Nov	easyJet	direct
28 Oct - 02 Nov	easyJet	direct
26 Oct - 02 Nov	easyJet	direct

Also check the deals for one-way flights from Bristol to Keflavik in October.

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 Bristol to Keflavik in October from 137€

Return flights