Cheapest return flights from Belfast to Keflavik in August from 248€

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

Return flights

31 Aug - 02 Sep easyJet
15 Aug - 22 Aug easyJet
09 Aug - 10 Aug Ryanair

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

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.

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