Cheapest return flights from Washington to Oslo in April from $459

Best time to book flights for Washington (IAD) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Oslo (OSL) in April 2025 (see full year).

Return flights

22 Apr - 29 Apr Icelandair
24 Apr - 01 May Icelandair
30 Apr - 07 May Icelandair
28 Apr - 05 May Scandinavian Airlines
21 Apr - 01 May Scandinavian Airlines
12 Apr - 19 Apr SWISS
17 Apr - 24 Apr Lufthansa
11 Apr - 18 Apr Lufthansa
14 Apr - 21 Apr Lufthansa
13 Apr - 20 Apr Lufthansa

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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