Cheapest return flights from Boston to Oslo in August from 394€

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

Return flights

20 Aug - 27 Aug Air France
27 Aug - 03 Sep Air France
30 Aug - 06 Sep Air France
17 Aug - 24 Aug Air France
18 Aug - 25 Aug Air France
25 Aug - 01 Sep Air France
28 Aug - 04 Sep Air France
10 Aug - 17 Aug KLM
24 Aug - 31 Aug KLM
26 Aug - 02 Sep KLM
31 Aug - 07 Sep KLM
21 Aug - 28 Aug Air France
04 Aug - 11 Aug KLM
22 Aug - 29 Aug KLM
13 Aug - 20 Aug Air France
23 Aug - 30 Aug Air France
29 Aug - 05 Sep KLM

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

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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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