Cheapest return flights from Washington to Oslo in August from $487

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

Return flights

31 Aug - 07 Sep Icelandair
10 Aug - 21 Aug Air France
19 Aug - 26 Aug Air France
13 Aug - 20 Aug Air France
17 Aug - 24 Aug Air France
18 Aug - 25 Aug Air France
15 Aug - 22 Aug Air France
16 Aug - 23 Aug Air France
14 Aug - 21 Aug KLM
12 Aug - 19 Aug KLM
24 Aug - 31 Aug Scandinavian Airlines
26 Aug - 02 Sep Scandinavian Airlines
27 Aug - 03 Sep Air France
25 Aug - 01 Sep Air France
29 Aug - 05 Sep Air France
30 Aug - 06 Sep Air France
28 Aug - 04 Sep Scandinavian Airlines

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

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