Cheap Flights to Harbor Island from HK$378

View HK$378 flight on Thu, 11 Dec 2025Opens in a new window

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Cheap round-trip flights to Harbor Island

Prices were available within the past 7 days and start at HK$378 for one-way flights and HK$778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 19 Nov - Wed, 3 Dec
DEN
Denver
SEA
Seattle
HK$778 Return, found 23 hours ago
HK$778
Return
found 23 hours ago
Select Alaska Airlines flight, departing Wed, 19 Nov from Denver to Seattle, returning Wed, 3 Dec, priced at HK$778 found 23 hours ago
Delta
Sun, 23 Nov - Wed, 3 Dec
DEN
Denver
SEA
Seattle
HK$993 Return, found 23 hours ago
HK$993
Return
found 23 hours ago
Select Delta flight, departing Sun, 23 Nov from Denver to Seattle, returning Wed, 3 Dec, priced at HK$993 found 23 hours ago
United
Wed, 19 Nov - Sun, 30 Nov
DEN
Denver
SEA
Seattle
HK$1,659 Return, found 23 hours ago
HK$1,659
Return
found 23 hours ago
Select United flight, departing Wed, 19 Nov from Denver to Seattle, returning Sun, 30 Nov, priced at HK$1,659 found 23 hours ago
Air Canada
Tue, 18 Nov - Fri, 21 Nov
YYZ
Toronto
SEA
Seattle
HK$2,239 Return, found 22 hours ago
HK$2,239
Return
found 22 hours ago
Select Air Canada flight, departing Tue, 18 Nov from Toronto to Seattle, returning Fri, 21 Nov, priced at HK$2,239 found 22 hours ago
WestJet
Thu, 22 Jan - Fri, 30 Jan
YYZ
Toronto
SEA
Seattle
HK$2,306 Return, found 4 days ago
HK$2,306
Return
found 4 days ago
Select WestJet flight, departing Thu, 22 Jan from Toronto to Seattle, returning Fri, 30 Jan, priced at HK$2,306 found 4 days ago

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

September is typically the cheapest month to fly

From HK$1,063 - HK$1,917 per traveller.

Frequently asked questions

How do I find cheap flights to Harbor Island that have flexible change policies?
It's as easy as can be with Expedia. Step 1: Type in your travel dates and destination and click the "Search" button. Next step? Check the "No change fee" box directly below the "Flexible change policies" filter to the left of the screen. Step 3. Grab your flexible and cheap ticket to Harbor Island.
Which airlines fly to Harbor Island?
Whether you want to sit in first class or save your pennies in economy, these airlines will get you to or near Harbor Island:

  • Kenmore Air - 243 flights to or near Harbor Island each month, including 243 flights to Boeing Field Airport (BFI) per month.
  • Sun Country Airlines - 4 flights to or near Harbor Island each month, including 4 flights to Boeing Field Airport (BFI) per month.

How can I find cheap tickets to Harbor Island?
For the best deal to Harbor Island, book ahead of time. Also consider using Expedia's "flexible dates" link above your search results. This will show you the cheapest prices for similar time frames. In the last seven days, HK$778 was the best price for a flight to Harbor Island.
How much is a flight to Harbour Island?
One-way flights leaving Denver (DEN) sold for as little as HK$378 in the last seven days. During this period, the price of a return ticket to Harbour Island varied between HK$778 and HK$4,583. If you spot a bargain, grab it quickly — these fares don't stick around.
What are the most popular airports to fly into in Harbor Island?
A major entryway to Harbor Island, around 247 flights touch down at Boeing Field Airport (BFI) every month. Scout around for an amazing deal, lock in your fare and prepare to experience this fantastic region.
When is the cheapest time to fly to Harbour Island?
Taking off on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest fare. Avoid weekends if possible, because Saturday is typically the most expensive day of the week. Spend the funds you saved having fun in Harbour Island instead!
How much is a plane ticket to Harbor Island?
Fares to Harbor Island varied from HK$778 to HK$4,583 in the last seven days. Usually, the sooner you make a reservation, the better the deal.
What months are the cheapest to book a flight to Harbour Island?
February is the perfect month to get your hands on a terrific deal to Harbour Island. Bear in mind that the costliest time to purchase tickets in the States isn't during the height of summer, but in December.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$778

Trending flights to Harbor Island

Prices were available within the past 7 days and start at HK$378 for one-way flights and HK$778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 23 Oct - Fri, 7 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, just found
HK$4,583
Return
just found
Select Philippine Airlines flight, departing Thu, 23 Oct from Hong Kong SAR to Seattle, returning Fri, 7 Nov, priced at HK$4,583 just found

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