Cheapest return IAD–OSL flights, August

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

Return flights

31 Aug - 07 Sep Icelandair
17 Aug - 24 Aug Air France
18 Aug - 25 Aug Air France
14 Aug - 21 Aug Air France
13 Aug - 20 Aug Air France
15 Aug - 22 Aug Air France
16 Aug - 23 Aug Air France
30 Aug - 06 Sep Icelandair
20 Aug - 27 Aug Air France
21 Aug - 28 Aug Air France
24 Aug - 31 Aug Air France
27 Aug - 03 Sep Air France
29 Aug - 05 Sep Icelandair
25 Aug - 01 Sep Air France
26 Aug - 02 Sep Air France
06 Aug - 13 Aug Air France
28 Aug - 04 Sep Icelandair

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

Powered by

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Feel free to contact us with any feedback or request another flight research.