Cheapest return flights from Boston to Oslo in March from $399

AirHint found the following cheapest return flights from Boston (BOS) to Oslo (OSL) in March 2026 (see full year).

Return flights

28 Mar - 03 Apr Icelandair
30 Mar - 06 Apr Scandinavian Airlines
29 Mar - 05 Apr Scandinavian Airlines
31 Mar - 07 Apr Scandinavian Airlines
28 Mar - 04 Apr Icelandair
02 Mar - 06 Mar Air France
03 Mar - 06 Mar Air France
29 Mar - 13 Apr Scandinavian Airlines
01 Mar - 06 Mar Iberia
04 Mar - 11 Mar Icelandair
25 Mar - 01 Apr Scandinavian Airlines
26 Mar - 02 Apr Scandinavian Airlines
22 Mar - 29 Mar Icelandair
01 Mar - 07 Mar British Airways
03 Mar - 10 Mar Scandinavian Airlines
09 Mar - 16 Mar Scandinavian Airlines
27 Mar - 03 Apr Icelandair
23 Mar - 30 Mar Scandinavian Airlines
01 Mar - 08 Mar Scandinavian Airlines

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

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