Cheap Flights to Boston Harbor

View ₩514,600 flight on Tue, Feb 17, 2026Opens in a new window

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How much is the cheapest flight to Boston Harbor?

Prices were available within the past 7 days and start at ₩514,600 for one-way flights and ₩644,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Oct 23 - Fri, Oct 31
ICN
Seoul
SEA
Seattle
₩644,900 Roundtrip, found 1 hour ago
₩644,900
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Thu, Oct 23 from Seoul to Seattle, returning Fri, Oct 31, priced at ₩644,900 found 1 hour ago
United
Tue, Sep 9 - Thu, Sep 11
ICN
Seoul
SEA
Seattle
₩652,300 Roundtrip, found 1 hour ago
₩652,300
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 9 from Seoul to Seattle, returning Thu, Sep 11, priced at ₩652,300 found 1 hour ago
Delta
Mon, Oct 6 - Wed, Oct 15
ICN
Seoul
SEA
Seattle
₩675,100 Roundtrip, found 1 hour ago
₩675,100
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Oct 6 from Seoul to Seattle, returning Wed, Oct 15, priced at ₩675,100 found 1 hour ago
Korean Air
Wed, Oct 8 - Wed, Oct 15
ICN
Seoul
SEA
Seattle
₩675,100 Roundtrip, found 6 hours ago
₩675,100
Roundtrip
found 6 hours ago
Select Korean Air flight, departing Wed, Oct 8 from Seoul to Seattle, returning Wed, Oct 15, priced at ₩675,100 found 6 hours ago
Air Canada
Thu, Oct 23 - Fri, Oct 31
ICN
Seoul
SEA
Seattle
₩768,900 Roundtrip, found 1 hour ago
₩768,900
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Thu, Oct 23 from Seoul to Seattle, returning Fri, Oct 31, priced at ₩768,900 found 1 hour ago

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

October is typically the cheapest month to fly

From ₩190,373 - ₩350,269 per traveler.

Graph displaying average flight prices per month

Searching for cheap flights to Boston Harbor? No travel company presents more choices than Expedia if you're looking to compare flights to Boston Harbor. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Olympia. Expedia provides the cheapest flights to many destinations in Olympia and you may find even greater savings if you combine your flight with a hotel stay in Boston Harbor.

Flights to Boston Harbor information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
₩204,500

Trending flights to Boston Harbor

Prices were available within the past 7 days and start at ₩514,600 for one-way flights and ₩644,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Oct 23 - Fri, Oct 31
ICN
Seoul
SEA
Seattle
₩644,900 Roundtrip, found 1 hour ago
₩644,900
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Thu, Oct 23 from Seoul to Seattle, returning Fri, Oct 31, priced at ₩644,900 found 1 hour ago
*Available to Expedia members.