Cheapest return flights from Seattle (SEA) to Oslo (OSL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
22 Sep 29 Sep Scandinavian Airlines
15 Sep 22 Sep Scandinavian Airlines
29 Sep 06 Oct Scandinavian Airlines
08 Sep 15 Sep Scandinavian Airlines
13 Sep 20 Sep Scandinavian Airlines
27 Sep 04 Oct Scandinavian Airlines
01 Sep 08 Sep Scandinavian Airlines
06 Sep 13 Sep Scandinavian Airlines
04 Sep 11 Sep Scandinavian Airlines
05 Sep 12 Sep Scandinavian Airlines
11 Sep 18 Sep Scandinavian Airlines
25 Sep 02 Oct Scandinavian Airlines
26 Sep 03 Oct Scandinavian Airlines
19 Sep 26 Sep Scandinavian Airlines
28 Sep 05 Oct Scandinavian Airlines
24 Sep 01 Oct Scandinavian Airlines
30 Sep 07 Oct Scandinavian Airlines
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deals for one-way flights from Seattle to Oslo in September.

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Updated Jul 4, 2026.

About these fares

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