Flights to Hanko from Seattle - ￥70,430

View ￥70,430 flight on Fri, May 15, 2026Opens in a new window

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Cheap Flights from Seattle to Hanko (SEA-OSL)

Prices were available within the past 7 days and start at ￥70,430 for one-way flights and ￥70,440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥70,440 Roundtrip, found 1 day ago
￥70,440
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥70,440 found 1 day ago
Icelandair
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥70,680 Roundtrip, found 1 day ago
￥70,680
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥70,680 found 1 day ago
American Airlines
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥173,080 Roundtrip, found 1 day ago
￥173,080
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥173,080 found 1 day ago
KLM
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥173,880 Roundtrip, found 1 day ago
￥173,880
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥173,880 found 1 day ago
Air France
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥174,870 Roundtrip, found 1 day ago
￥174,870
Roundtrip
found 1 day ago
Select Air France flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥174,870 found 1 day ago
Lufthansa
Fri, May 15 - Sat, Jun 6
SEA
Seattle
OSL
Oslo
￥175,591 Roundtrip, found 1 day ago
￥175,591
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, May 15 from Seattle to Oslo, returning Sat, Jun 6, priced at ￥175,591 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Oslo (OSL)

November is typically the cheapest month to fly

From ￥61,144 - ￥169,854 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.