AirHint found the following cheapest return flights from Boston (BOS) to Oslo (OSL) in July 2026 (see full year).
Return flights
| 12 Jul - 13 Aug | Lufthansa | ||
| 07 Jul - 14 Jul | Lufthansa | ||
| 07 Jul - 21 Jul | Lufthansa | ||
| 01 Jul - 13 Aug | Lufthansa | ||
| 01 Jul - 08 Jul | Icelandair |
Also check the deals for one-way flights from Boston to Oslo in July.
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