Cheapest return TRF–BOS flights, May

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

Return flights

15 May - 15 Jun Ryanair
09 May - 10 May Scandinavian Airlines
23 May - 30 May Wideroe
08 May - 24 May Wideroe
08 May - 15 May Wideroe
09 May - 16 May Wideroe
07 May - 14 May Wideroe
28 May - 04 Jun Wideroe
25 May - 01 Jun Wideroe
16 May - 23 May Wideroe
10 May - 17 May Wideroe
31 May - 07 Jun Wideroe
30 May - 06 Jun Wideroe

Also check the deals for one-way flights from Sandefjord to Boston 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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