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

Return flights

01 Oct - 11 Oct	easyJet
29 Oct - 12 Nov	Wizz Air	direct
29 Oct - 17 Nov	Wizz Air	direct
29 Oct - 10 Nov	Wizz Air	direct
29 Oct - 14 Nov	Wizz Air	direct
31 Oct - 17 Nov	Wizz Air	direct
31 Oct - 10 Nov	Wizz Air	direct
31 Oct - 12 Nov	Wizz Air	direct
08 Oct - 12 Oct	Wizz Air
27 Oct - 12 Nov	easyJet
28 Oct - 12 Nov	easyJet
29 Oct - 03 Nov	Wizz Air	direct
29 Oct - 31 Oct	Wizz Air	direct
14 Oct - 18 Oct	Fly Play
07 Oct - 11 Oct	Fly Play
02 Oct - 07 Oct	Wizz Air	direct
14 Oct - 29 Oct	Wizz Air	direct
14 Oct - 31 Oct	Wizz Air	direct
16 Oct - 29 Oct	Wizz Air	direct
16 Oct - 31 Oct	Wizz Air	direct

Also check the deals for one-way flights from Keflavik to Budapest 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 Keflavik to Budapest in October from $188

Return flights