Cheapest return flights from Boston to Oslo in May from $414

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

Return flights

06 May - 31 May Icelandair
10 May - 17 May Icelandair
16 May - 23 May Icelandair
05 May - 12 May Icelandair
06 May - 13 May Icelandair
21 May - 28 May Icelandair
23 May - 30 May Icelandair
24 May - 31 May Icelandair
17 May - 24 May Icelandair
18 May - 25 May Icelandair
26 May - 02 Jun Icelandair
29 May - 05 Jun Icelandair
27 May - 03 Jun Icelandair
28 May - 04 Jun Icelandair
25 May - 01 Jun Icelandair
30 May - 06 Jun Icelandair
31 May - 07 Jun Icelandair

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

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