Cheapest return flights from Treviso to Keflavik in September from $265

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

Return flights

01 Sep - 14 Sep Ryanair
10 Sep - 20 Sep Ryanair
15 Sep - 20 Sep Ryanair
15 Sep - 24 Sep Ryanair
08 Sep - 14 Sep Ryanair
04 Sep - 07 Sep Ryanair
13 Sep - 17 Sep Wizz Air Malta
04 Sep - 06 Sep Ryanair
13 Sep - 14 Sep Ryanair
01 Sep - 07 Sep Ryanair
28 Sep - 09 Oct Ryanair

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

Skyscanner

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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