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

Return flights

30 Aug - 04 Sep	Wizz Air
30 Aug - 02 Sep	Wizz Air	direct
30 Aug - 04 Sep	Wizz Air	direct
26 Aug - 04 Sep	Wizz Air Malta
30 Aug - 13 Sep	Wizz Air	direct
29 Aug - 03 Sep	Norwegian
25 Aug - 06 Sep	SWISS
07 Aug - 12 Aug	Ryanair
14 Aug - 20 Aug	SWISS
21 Aug - 26 Aug	Scandinavian Airlines
30 Aug - 16 Sep	Wizz Air	direct
26 Aug - 16 Sep	Wizz Air
19 Aug - 24 Aug	easyJet
12 Aug - 20 Aug	Ryanair
21 Aug - 31 Aug	Scandinavian Airlines
24 Aug - 02 Sep	Ryanair
14 Aug - 21 Aug	Ryanair
19 Aug - 27 Aug	Wizz Air
15 Aug - 20 Aug	Ryanair
24 Aug - 31 Aug	LOT

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

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 Budapest to Keflavik in August from $261

Return flights