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

Return flights

15 Jul - 25 Jul	Ryanair
24 Jul - 01 Aug	Ryanair
29 Jul - 10 Aug	Ryanair
24 Jul - 07 Aug	Ryanair
28 Jul - 10 Aug	Ryanair
09 Jul - 16 Jul	Ryanair
07 Jul - 31 Jul	Ryanair
26 Jul - 02 Aug	Ryanair
27 Jul - 01 Aug	Ryanair
22 Jul - 31 Jul	Ryanair
22 Jul - 05 Aug	Ryanair
10 Jul - 13 Jul	Ryanair
24 Jul - 27 Jul	Ryanair
12 Jul - 19 Jul	Ryanair
27 Jul - 30 Jul	Ryanair
21 Jul - 28 Jul	Ryanair
07 Jul - 13 Jul	Ryanair
25 Jul - 01 Aug	Ryanair
25 Jul - 02 Aug	Ryanair

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

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 Treviso to Keflavik in July from $364

Return flights