Cheapest return flights from Washington to Oslo in April from 363€

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

Return flights

22 Apr - 29 Apr Icelandair
08 Apr - 15 Apr Icelandair
11 Apr - 18 Apr Icelandair
14 Apr - 21 Apr Icelandair
17 Apr - 24 Apr Icelandair
06 Apr - 13 Apr Icelandair
18 Apr - 25 Apr Icelandair
19 Apr - 26 Apr Icelandair
20 Apr - 27 Apr Icelandair
21 Apr - 28 Apr Icelandair
28 Apr - 05 May Icelandair
29 Apr - 06 May Icelandair
25 Apr - 02 May Icelandair
27 Apr - 04 May Icelandair
26 Apr - 03 May Scandinavian Airlines
30 Apr - 07 May Icelandair
24 Apr - 01 May Icelandair

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

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