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

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

Return flights

23 Apr - 30 Apr Air France
23 Apr - 06 May Air France
29 Apr - 06 May Air France
27 Apr - 04 May Air France
28 Apr - 05 May Air France
26 Apr - 03 May Air France
24 Apr - 29 Apr Delta
13 Apr - 20 Apr KLM
14 Apr - 21 Apr KLM
22 Apr - 29 Apr KLM
12 Apr - 19 Apr KLM
30 Apr - 07 May KLM
25 Apr - 02 May KLM
21 Apr - 28 Apr Delta
24 Apr - 01 May Delta
15 Apr - 22 Apr KLM
11 Apr - 18 Apr Icelandair
20 Apr - 27 Apr KLM

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

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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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