Cheapest return flights from Boston to Oslo in September from 386€

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

Return flights

04 Sep - 13 Sep Lufthansa
09 Sep - 16 Sep Scandinavian Airlines
23 Sep - 30 Sep Scandinavian Airlines
01 Sep - 08 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
06 Sep - 13 Sep Scandinavian Airlines
07 Sep - 14 Sep Scandinavian Airlines
08 Sep - 15 Sep Scandinavian Airlines
14 Sep - 21 Sep Scandinavian Airlines
15 Sep - 22 Sep Scandinavian Airlines
29 Sep - 06 Oct Scandinavian Airlines
30 Sep - 07 Oct Scandinavian Airlines
24 Sep - 01 Oct Icelandair
27 Sep - 04 Oct Icelandair
25 Sep - 02 Oct Icelandair
26 Sep - 03 Oct Scandinavian Airlines

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

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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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