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Cheap Flights to Northwest Seattle from HK$617

View HK$617 flight on Sun, 6 Sept 2026Opens in a new window

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Cheap round-trip flights to Northwest Seattle

Prices were available within the past 7 days and start at HK$617 for one-way flights and HK$1,868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Alaska Airlines
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Frequently asked questions

How do I find cheap flights to Northwest Seattle that have flexible change policies?
By using our smart "No change fee" filter, that's how. All you have to do is enter your preferred dates and destination, click "Search," then check the box directly under the "Flexible change policies" subheading (it's on the left of your screen). Expedia makes it easy to find flexible, low-priced tickets to Northwest Seattle.
Which airlines fly to Northwest Seattle?
When it's time for a well-earned break, these top airlines will make journeying to Northwest Seattle a total breeze:
  • Kenmore Air - 243 flights to or near Northwest Seattle each month, including 243 flights to Boeing Field Airport (BFI) per month.
  • Sun Country Airlines - 4 flights to or near Northwest Seattle each month, including 4 flights to Boeing Field Airport (BFI) per month.
How can I find cheap tickets to Northwest Seattle?
A great strategy for finding cheap airfares is to be flexible with your travel dates. Start by searching for your flight to Northwest Seattle, then click on the "flexible dates" box for a list of prices for nearby days. Want another tip? Book ahead of time. To give you an idea of costs, HK$1,868 was the best price for a flight to Northwest Seattle in the last seven days.
How much is a flight to Northwest Seattle?
In the last seven days, return airfares to Northwest Seattle sold for as low as HK$1,868 and reached a maximum of HK$6,037. For one-way fares departing from San Francisco (SFO), the lowest price during this time was just HK$617.
What are the most popular airports to fly into in Northwest Seattle?
Book your flight to Boeing Field Airport (BFI) and sample the best that Northwest Seattle has to offer. As the region's main entry point, around 247 flights land here every month.
When is the cheapest time to fly to Northwest Seattle?
If you're not fixed on your travel dates to Northwest Seattle, depart early in the week. The cheapest day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the costliest day, with a lot of people choosing to take off on the weekend.
How much is a plane ticket to Northwest Seattle?
In the last seven days, ticket prices to Northwest Seattle ranged from HK$1,868 to HK$6,037.
What months are the cheapest to book a flight to Northwest Seattle?
February is the most affordable month to reserve a seat for your Northwest Seattle adventure. Fares are at a premium during December, so avoid this time if you can.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$1,189

Trending flights to Northwest Seattle

Prices were available within the past 7 days and start at HK$617 for one-way flights and HK$1,868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada

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