Cheapest return flights from Boston to Oslo in July from $517

AirHint found the following cheapest return flights from Boston (BOS) to Oslo (OSL) in July 2025 (see full year).

Return flights

14 Jul - 29 Jul British Airways
16 Jul - 23 Jul Icelandair
25 Jul - 01 Aug Icelandair
08 Jul - 31 Jul Icelandair
09 Jul - 16 Jul Finnair
20 Jul - 27 Jul Icelandair
22 Jul - 29 Jul Icelandair
30 Jul - 06 Aug Scandinavian Airlines
18 Jul - 25 Jul Scandinavian Airlines
26 Jul - 02 Aug Scandinavian Airlines
26 Jul - 01 Aug Delta
24 Jul - 31 Jul Icelandair

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

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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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