Cheapest return flights from Boston to Oslo in May from $464

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

Return flights

20 May - 24 May Air Canada
21 May - 24 May Lufthansa
12 May - 19 May Scandinavian Airlines
17 May - 24 May Scandinavian Airlines
07 May - 14 May Icelandair
27 May - 03 Jun Scandinavian Airlines
02 May - 09 May Scandinavian Airlines
22 May - 29 May 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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