Cheapest return flights from Boston to Oslo in September from 383€

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

Return flights

29 Sep - 06 Oct Scandinavian Airlines
30 Sep - 07 Oct Scandinavian Airlines
27 Sep - 04 Oct Scandinavian Airlines
28 Sep - 05 Oct Scandinavian Airlines
16 Sep - 23 Sep Icelandair
22 Sep - 29 Sep Icelandair
23 Sep - 30 Sep Icelandair
01 Sep - 08 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
08 Sep - 15 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
24 Sep - 01 Oct Scandinavian Airlines
25 Sep - 02 Oct Scandinavian Airlines
26 Sep - 03 Oct Scandinavian Airlines
17 Sep - 24 Sep Icelandair
18 Sep - 25 Sep Icelandair
20 Sep - 27 Sep Icelandair

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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