Cheapest return flights from Washington to Oslo in May from 459€

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

Return flights

13 May - 24 May Air France
05 May - 12 May Icelandair
10 May - 17 May Icelandair
15 May - 22 May Icelandair
20 May - 27 May Icelandair
25 May - 01 Jun Icelandair
30 May - 06 Jun Icelandair
24 May - 06 Jun Brussels Airlines
23 May - 06 Jun Lufthansa

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

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