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

Return flights

01 Oct - 06 Oct	Ryanair
13 Oct - 18 Oct	Ryanair
06 Oct - 12 Oct	Ryanair
01 Oct - 05 Oct	Ryanair
30 Oct - 02 Nov	Wizz Air Malta
26 Oct - 31 Oct	Wizz Air Malta
18 Oct - 25 Oct	Ryanair
15 Oct - 25 Oct	Ryanair
03 Oct - 06 Oct	Ryanair
15 Oct - 22 Oct	Ryanair
06 Oct - 16 Oct	Wizz Air Malta
31 Oct - 07 Nov	Wizz Air Malta
29 Oct - 01 Nov	Wizz Air Malta
28 Oct - 02 Nov	Wizz Air Malta
25 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Treviso 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Treviso to Keflavik in October from $207

Return flights