Cheap Flights to Northwest Washington from HK$3,018

View HK$3,018 flight on Tue, 26 May 2026Opens in a new window

Popular airlines

  • Alaska Airlines

  • American Airlines

  • Hawaiian Airlines

  • Qatar Airways

  • Japan Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Northwest Washington

Prices were available within the past 7 days and start at HK$3,018 for one-way flights and HK$4,847 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed, 4 Feb - Tue, 24 Feb
HKG
Hong Kong SAR
SEA
Seattle
HK$4,847 Return, found 2 days ago
HK$4,847
Return
found 2 days ago
Select Philippine Airlines flight, departing Wed, 4 Feb from Hong Kong SAR to Seattle, returning Tue, 24 Feb, priced at HK$4,847 found 2 days ago
Delta
Fri, 5 Jun - Mon, 6 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$4,964 Return, found 6 days ago
HK$4,964
Return
found 6 days ago
Select Delta flight, departing Fri, 5 Jun from Hong Kong SAR to Seattle, returning Mon, 6 Jul, priced at HK$4,964 found 6 days ago
Hainan Airlines
Mon, 9 Mar - Tue, 17 Mar
HKG
Hong Kong SAR
SEA
Seattle
HK$5,111 Return, found 1 hour ago
HK$5,111
Return
found 1 hour ago
Select Hainan Airlines flight, departing Mon, 9 Mar from Hong Kong SAR to Seattle, returning Tue, 17 Mar, priced at HK$5,111 found 1 hour ago
Air Canada
Mon, 7 Sept - Mon, 14 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$5,352 Return, just found
HK$5,352
Return
just found
Select Air Canada flight, departing Mon, 7 Sept from Hong Kong SAR to Seattle, returning Mon, 14 Sept, priced at HK$5,352 just found
Korean Air
Mon, 13 Apr - Wed, 22 Apr
HKG
Hong Kong SAR
SEA
Seattle
HK$5,427 Return, found 6 days ago
HK$5,427
Return
found 6 days ago
Select Korean Air flight, departing Mon, 13 Apr from Hong Kong SAR to Seattle, returning Wed, 22 Apr, priced at HK$5,427 found 6 days ago

Frequently asked questions

How do I find cheap flights to Northwest Washington that have flexible change policies?
By using our smart "No change fee" filter, that's how. Just enter your dates and other details, click the "Search" button, then check the box under the "Flexible change policies" heading (top left-hand side of your screen). Expedia makes it a snap to find flexible, low-cost airfares to Northwest Washington.
Which airlines fly to Northwest Washington?
A good range of airlines fly to airports in or close to Northwest Washington. Your next great adventure is only a few clicks away with these carriers:

  • Alaska Airlines - 9,327 flights to or near Northwest Washington each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) and 407 flights to Snohomish County - Paine Field Airport (PAE) per month.
  • Delta Air Lines - 4,407 flights to or near Northwest Washington each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) and 221 flights to Vancouver Intl. Airport (YVR) per month.
  • United Airlines - 1,279 flights to or near Northwest Washington each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) and 450 flights to Vancouver Intl. Airport (YVR) per month.

How can I find cheap tickets to Northwest Washington?
One of the easiest ways to get a hold of cheap tickets to Northwest Washington is to be flexible with your dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The lowest price for a flight to Northwest Washington in the last seven days was HK$4,847. Booking ahead of time will generally help you get an even bigger bargain.
How much is a flight to Northwest Washington?
One-way flights taking off from Hong Kong SAR (HKG) sold for as little as HK$3,018 in the last seven days. During this time, the price of a return journey to Northwest Washington varied between HK$4,847 and HK$5,427. If you spot a bargain ticket, book immediately — these prices don't wait around for long.
What are the most popular airports to fly into in Northwest Washington?
Which airport you fly into in Northwest Washington will depend on where you begin your journey and your final destination. Here's a list of the most popular airports in this region:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Vancouver Intl. Airport (YVR) - 2,212 flights per month.
  • Snohomish County - Paine Field Airport (PAE) - 438 flights per month.

When is the cheapest time to fly to Northwest Washington?
If you're not fixed on what day you travel to Northwest Washington, fly out early in the week. The most affordable day to take off is usually Tuesday, followed by Monday. Saturday is typically the costliest day, with many vacationers preferring to take off on the weekend.
How much is a plane ticket to Northwest Washington?
In the last seven days, plane tickets to Northwest Washington fluctuated between HK$4,847 and HK$5,427. Prices rise as your travel date nears, so find a bargain today.
What months are the cheapest to book a flight to Northwest Washington?
February is the most affordable month to secure a seat for your Northwest Washington vacation. Airfares cost the most during the busy month of December, so keep clear of this time if possible.
Flights to Northwest Washington information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$4,847

Trending flights to Northwest Washington

Prices were available within the past 7 days and start at HK$3,018 for one-way flights and HK$4,847 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed, 4 Feb - Tue, 24 Feb
HKG
Hong Kong SAR
SEA
Seattle
HK$4,847 Return, found 2 days ago
HK$4,847
Return
found 2 days ago
Select Philippine Airlines flight, departing Wed, 4 Feb from Hong Kong SAR to Seattle, returning Tue, 24 Feb, priced at HK$4,847 found 2 days ago

Explore a world of travel with Expedia

*Available to Expedia members.