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

Return flights

17 Sep - 24 Sep	Wizz Air
12 Sep - 23 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
02 Sep - 11 Sep	Ryanair
05 Sep - 10 Sep	Ryanair
11 Sep - 15 Sep	Ryanair
11 Sep - 14 Sep	Ryanair
12 Sep - 15 Sep	Ryanair
09 Sep - 12 Sep	Ryanair
01 Sep - 09 Sep	Wizz Air Malta
30 Sep - 02 Oct	Ryanair
26 Sep - 03 Oct	Ryanair

Also check the deals for one-way flights from Brussels to Sandefjord 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 Brussels to Sandefjord in September from 100€

Return flights