Cheapest return IAD–OSL flights, June

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

Return flights

14 Jun - 14 Jul Porter Airlines (Canada) Ltd
04 Jun - 14 Jun Porter Airlines (Canada) Ltd
09 Jun - 13 Jul Scandinavian Airlines
01 Jun - 08 Jun Icelandair
02 Jun - 09 Jun Icelandair
03 Jun - 10 Jun Icelandair
04 Jun - 12 Jun Lufthansa
12 Jun - 15 Jun United
18 Jun - 25 Jun Porter Airlines (Canada) Ltd
14 Jun - 15 Jul Porter Airlines (Canada) Ltd
18 Jun - 28 Jun Porter Airlines (Canada) Ltd
03 Jun - 24 Jun Porter Airlines (Canada) Ltd
04 Jun - 11 Jun Air France
10 Jun - 13 Jul Lufthansa
15 Jun - 13 Jul Lufthansa
11 Jun - 13 Jul SWISS
13 Jun - 13 Jul SWISS
14 Jun - 13 Jul SWISS
16 Jun - 13 Jul SWISS
12 Jun - 13 Jul United

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

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