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

Return flights

26 Jan - 29 Jan	Ryanair
23 Jan - 31 Jan	Ryanair
26 Jan - 31 Jan	Ryanair
18 Jan - 23 Jan	Ryanair
19 Jan - 24 Jan	Ryanair
26 Jan - 01 Feb	Ryanair
12 Jan - 16 Jan	Ryanair
18 Jan - 25 Jan	Ryanair
23 Jan - 01 Feb	Ryanair
15 Jan - 22 Jan	Wizz Air Malta
15 Jan - 18 Jan	Wizz Air Malta
16 Jan - 24 Jan	Ryanair
30 Jan - 06 Feb	Ryanair
27 Jan - 01 Feb	Ryanair
24 Jan - 01 Feb	Ryanair
22 Jan - 01 Feb	Ryanair
29 Jan - 06 Feb	Ryanair
29 Jan - 02 Feb	Ryanair

Also check the deals for one-way flights from Treviso to Keflavik in January.

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 January from $192

Return flights