Cheapest return flights from Belfast to Keflavik in October from 137€

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

Return flights

21 Oct - 28 Oct easyJet
30 Oct - 06 Nov Ryanair
29 Oct - 05 Nov easyJet
09 Oct - 14 Oct easyJet
14 Oct - 18 Oct Ryanair
22 Oct - 27 Oct easyJet
30 Oct - 05 Nov easyJet
07 Oct - 10 Oct easyJet
22 Oct - 29 Oct easyJet
04 Oct - 08 Oct Ryanair
17 Oct - 03 Nov easyJet
01 Oct - 06 Oct easyJet
01 Oct - 04 Oct easyJet
01 Oct - 05 Oct easyJet

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

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.