Default HTG hotel image

Flights to Harbor Island, Seattle from NT$5,061

View NT$2,531 flight on Sat, 2026/9/5Opens in a new window

Popular airlines

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 45% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Harbor Island?

Prices were available within the past 7 days and start at NT$2,531 for one-way flights and NT$5,061 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Alaska Airlines
United
American Airlines
Southwest Airlines

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, NT$5,061 was the best price for a flight to Harbor Island.
How much is a flight to Harbor Island?
One-way flights leaving San Francisco (SFO) sold for as little as NT$2,531 in the last seven days. During this period, the price of a return ticket to Harbor Island varied between NT$5,061 and NT$20,283. 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 Harbor 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 Harbor Island instead!
How much is a plane ticket to Harbor Island?
Fares to Harbor Island varied from NT$5,061 to NT$20,283 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 Harbor Island?
February is the perfect month to get your hands on a terrific deal to Harbor 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
Roundtrip price
NT$4,880

Trending flights to Harbor Island

Prices were available within the past 7 days and start at NT$2,531 for one-way flights and NT$5,061 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

Explore a world of travel with Expedia

*Available to Expedia members.