Cheapest return flights from Boston to Oslo in December from $397

AirHint found the following cheapest return flights from Boston (BOS) to Oslo (OSL) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec Scandinavian Airlines
03 Dec - 08 Dec Air Canada
15 Dec - 10 Jan Scandinavian Airlines
06 Dec - 13 Dec Scandinavian Airlines
31 Dec - 07 Jan Icelandair
27 Dec - 17 Jan Icelandair
11 Dec - 18 Dec Icelandair
16 Dec - 23 Dec Icelandair
21 Dec - 28 Dec Icelandair
26 Dec - 02 Jan Icelandair

Also check the deals for one-way flights from Boston to Oslo in December.

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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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