AirHint found the following cheapest return flights from Treviso (TSF) to Keflavik (KEF) in August 2026 (see full year).

Return flights

30 Aug - 08 Sep	Ryanair
23 Aug - 01 Sep	Ryanair
25 Aug - 08 Sep	Ryanair
22 Aug - 01 Sep	Ryanair
02 Aug - 11 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
12 Aug - 20 Aug	Ryanair
24 Aug - 26 Aug	Ryanair
24 Aug - 27 Aug	Ryanair
01 Aug - 11 Aug	Ryanair
22 Aug - 26 Aug	Ryanair
20 Aug - 28 Aug	Ryanair
22 Aug - 31 Aug	Ryanair
09 Aug - 18 Aug	Ryanair

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

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Treviso to Keflavik in August from $356

Return flights