Cheapest return flights from Boston to Oslo in May from $435

Best time to book flights for Boston (BOS) to Oslo (OSL) flights at AirHint

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

Return flights

12 May - 19 May Icelandair
26 May - 02 Jun Icelandair
08 May - 15 May Scandinavian Airlines
04 May - 10 May Fly Play
16 May - 23 May Scandinavian Airlines
22 May - 02 Jun Scandinavian Airlines
28 May - 04 Jun Scandinavian Airlines
22 May - 29 May Scandinavian Airlines
24 May - 31 May Scandinavian Airlines
30 May - 06 Jun Scandinavian Airlines

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