Cheapest return TRF–SIN flights, May

AirHint found the following cheapest return flights from Sandefjord (TRF) to Singapore (SIN) in May 2026 (see full year).

Return flights

10 May - 11 Jun Ryanair
17 May - 02 Jun Ryanair
12 May - 17 May Ryanair
29 May - 13 Jun Finnair
06 May - 14 May Ryanair
20 May - 10 Jun Finnair
02 May - 03 Jun Ryanair
10 May - 12 Jun Ryanair
14 May - 29 May Scandinavian Airlines
11 May - 18 May Finnair
04 May - 11 May Finnair
29 May - 05 Jun Scandinavian Airlines

Also check the deals for one-way flights from Sandefjord to Singapore in May.

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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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