Cheap Flights to Northwest Seattle from HK$541

View HK$541 flight on Wed, 20 Aug 2025Opens 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$541 for one-way flights and HK$1,081 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 10 Sep - Wed, 17 Sep
SFO
San Francisco
SEA
Seattle
HK$1,081 Return, found 21 hours ago
HK$1,081
Return
found 21 hours ago
Select Delta flight, departing Wed, 10 Sep from San Francisco to Seattle, returning Wed, 17 Sep, priced at HK$1,081 found 21 hours ago
American Airlines
Wed, 10 Sep - Wed, 17 Sep
SFO
San Francisco
SEA
Seattle
HK$1,629 Return, found 21 hours ago
HK$1,629
Return
found 21 hours ago
Select American Airlines flight, departing Wed, 10 Sep from San Francisco to Seattle, returning Wed, 17 Sep, priced at HK$1,629 found 21 hours ago
United
Wed, 10 Sep - Wed, 17 Sep
SFO
San Francisco
SEA
Seattle
HK$1,629 Return, found 21 hours ago
HK$1,629
Return
found 21 hours ago
Select United flight, departing Wed, 10 Sep from San Francisco to Seattle, returning Wed, 17 Sep, priced at HK$1,629 found 21 hours ago
Korean Air
Tue, 23 Dec - Tue, 6 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$4,927 Return, found 7 hours ago
HK$4,927
Return
found 7 hours ago
Select Korean Air flight, departing Tue, 23 Dec from Hong Kong SAR to Seattle, returning Tue, 6 Jan, priced at HK$4,927 found 7 hours ago
Asiana Airlines
Thu, 13 Nov - Sun, 16 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$5,209 Return, found 3 days ago
HK$5,209
Return
found 3 days ago
Select Asiana Airlines flight, departing Thu, 13 Nov from Hong Kong SAR to Seattle, returning Sun, 16 Nov, priced at HK$5,209 found 3 days ago

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

September is typically the cheapest month to fly

From HK$959 - HK$1,934 per traveller.

Graph displaying average flight prices per month

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$1,081 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$1,081 and reached a maximum of HK$5,209. For one-way fares departing from San Francisco (SFO), the lowest price during this time was just HK$541.
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$1,081 to HK$5,209.
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.
Flights to Northwest Seattle information
Destination airport
Lake Union Seaplane Base
Destination airport IATA code
LKE
Destination city name
Seattle
Return price
HK$1,729

Trending flights to Northwest Seattle

Prices were available within the past 7 days and start at HK$541 for one-way flights and HK$1,081 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, 23 Dec - Tue, 6 Jan
HKG
Hong Kong SAR
SEA
Seattle
HK$4,927 Return, found 7 hours ago
HK$4,927
Return
found 7 hours ago
Select Korean Air flight, departing Tue, 23 Dec from Hong Kong SAR to Seattle, returning Tue, 6 Jan, priced at HK$4,927 found 7 hours ago
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