Cheap Flights to Mercer Island

View ₩527,300 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines to Mercer Island

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How much is the cheapest flight to Mercer Island?

Prices were available within the past 7 days and start at ₩527,300 for one-way flights and ₩468,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hahn Air Technologies
Thu, Sep 18 - Fri, Sep 19
CXH
Vancouver
LKE
Seattle
₩688,100 Roundtrip, found 1 day ago
₩688,100
Roundtrip
found 1 day ago
Select Hahn Air Technologies flight, departing Thu, Sep 18 from Vancouver to Seattle, returning Fri, Sep 19, priced at ₩688,100 found 1 day ago

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

August is typically the cheapest month to fly

From ₩189,590 - ₩349,064 per traveler.

Book with confidence

Book with confidence

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

Travel information

Travel information

Destination airport
Lake Union Seaplane Base
Destination airport IATA code
LKE
Destination city name
Seattle
Roundtrip price
₩688,100

Trending flights to Mercer Island

Prices were available within the past 7 days and start at ₩527,300 for one-way flights and ₩468,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Fri, Oct 17 - Sun, Oct 19
ICN
Seoul
SEA
Seattle
₩468,500 Roundtrip, just found
₩468,500
Roundtrip
just found
Select Hawaiian Airlines flight, departing Fri, Oct 17 from Seoul to Seattle, returning Sun, Oct 19, priced at ₩468,500 just found

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