Cheapest return IAD–OSL flights, December

AirHint found the following cheapest return flights from Washington (IAD) to Oslo (OSL) in December 2026 (see full year).

Return flights

05 Dec - 12 Dec Air France
31 Dec - 07 Jan Air France
15 Dec - 22 Dec Air France
30 Dec - 06 Jan Air France
29 Dec - 05 Jan Air France
14 Dec - 21 Dec Air France
28 Dec - 04 Jan Air France
23 Dec - 30 Dec KLM
24 Dec - 31 Dec Air France
21 Dec - 28 Dec KLM
25 Dec - 01 Jan Air France
22 Dec - 29 Dec KLM
26 Dec - 02 Jan Scandinavian Airlines
19 Dec - 26 Dec Scandinavian Airlines

Also check the deals for one-way flights from Washington to Oslo in December.

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