AirHint found the following cheapest return flights from Washington (DCA) to Oslo (OSL) in November 2025 (see full year).
Return flights
| 13 Nov - 20 Nov | British Airways | ||
| 25 Nov - 20 Dec | British Airways | ||
| 27 Nov - 30 Nov | Delta |
Also check the deals for one-way flights from Washington to Oslo in November.
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