Cheapest return flights from Washington to Oslo in March from $514

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

Return flights

31 Mar - 07 Apr Air France
03 Mar - 10 Mar Air France
17 Mar - 24 Mar Air France
18 Mar - 25 Mar Air France
23 Mar - 30 Mar Air France
11 Mar - 18 Mar Air France
09 Mar - 16 Mar Air France
10 Mar - 17 Mar Air France
22 Mar - 29 Mar Air France
02 Mar - 09 Mar Air France
15 Mar - 20 Mar KLM
25 Mar - 01 Apr KLM
30 Mar - 06 Apr Air France
28 Mar - 01 Apr Turkish Airlines
28 Mar - 03 Apr Frontier Airlines
29 Mar - 05 Apr Air France
26 Mar - 02 Apr Scandinavian Airlines
28 Mar - 04 Apr Air France

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

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