AirHint found the following cheapest return flights from Sandefjord (TRF) to Dubrovnik (DBV) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep	Ryanair	direct
10 Sep - 13 Sep	Ryanair	direct
06 Sep - 10 Sep	Ryanair	direct
06 Sep - 13 Sep	Ryanair	direct
17 Sep - 20 Sep	Ryanair	direct
17 Sep - 24 Sep	Ryanair	direct
20 Sep - 27 Sep	Ryanair	direct
20 Sep - 24 Sep	Ryanair	direct
21 Sep - 24 Sep	Ryanair
13 Sep - 16 Sep	Ryanair
30 Sep - 08 Oct	Ryanair
23 Sep - 01 Oct	Ryanair
27 Sep - 04 Oct	Ryanair
26 Sep - 04 Oct	Ryanair
27 Sep - 04 Oct	Ryanair	direct

Also check the deals for one-way flights from Sandefjord to Dubrovnik in September.

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 Dubrovnik in September from $62

Return flights