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

Return flights

31 Jul - 05 Aug	Wizz Air
24 Jul - 31 Jul	Wizz Air
16 Jul - 24 Jul	Wizz Air
31 Jul - 03 Aug	Wizz Air
12 Jul - 15 Jul	Ryanair
15 Jul - 23 Jul	Ryanair
28 Jul - 03 Aug	Wizz Air Malta
26 Jul - 30 Jul	Ryanair
20 Jul - 24 Jul	Wizz Air
15 Jul - 20 Jul	Ryanair
19 Jul - 29 Jul	Ryanair
08 Jul - 16 Aug	Ryanair
20 Jul - 30 Jul	Ryanair
17 Jul - 29 Jul	Ryanair
31 Jul - 04 Aug	Wizz Air
25 Jul - 15 Aug	Ryanair
24 Jul - 01 Aug	Wizz Air
18 Jul - 01 Aug	Ryanair
28 Jul - 04 Aug	Lufthansa

Also check the deals for one-way flights from Sandefjord 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 Sandefjord to Keflavik in July from $361

Return flights