Cheapest return flights from Washington (IAD) to Oslo (OSL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
11 Sep 18 Sep Icelandair
30 Sep 07 Oct Scandinavian Airlines
02 Sep 09 Sep Scandinavian Airlines
29 Sep 06 Oct Scandinavian Airlines
09 Sep 16 Sep Scandinavian Airlines
23 Sep 30 Sep Scandinavian Airlines
03 Sep 10 Sep Scandinavian Airlines
01 Sep 08 Sep Air France
07 Sep 14 Sep Air France
08 Sep 15 Sep Air France
10 Sep 17 Sep Air France
14 Sep 21 Sep Air France
28 Sep 05 Oct Scandinavian Airlines
25 Sep 02 Oct Scandinavian Airlines
26 Sep 03 Oct Scandinavian Airlines
27 Sep 04 Oct Air France
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deals for one-way flights from Washington to Oslo in September.

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Updated Jun 2, 2026.

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