Cheap Flights to Washington | Popular Routes to Washington from HK$2,812

View HK$2,812 flight on Mon, 2 Feb 2026Opens in a new window

Popular airlines to Washington

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to Washington

Prices were available within the past 7 days and start at HK$2,812 for one-way flights and HK$4,583 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 13 Aug - Thu, 27 Aug
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, found 1 hour ago
HK$4,583
Return
found 1 hour ago
Select Philippine Airlines flight, departing Thu, 13 Aug from Hong Kong SAR to Seattle, returning Thu, 27 Aug, priced at HK$4,583 found 1 hour ago
Air Canada
Sat, 13 Jun - Mon, 22 Jun
HKG
Hong Kong SAR
SEA
Seattle
HK$4,634 Return, just found
HK$4,634
Return
just found
Select Air Canada flight, departing Sat, 13 Jun from Hong Kong SAR to Seattle, returning Mon, 22 Jun, priced at HK$4,634 just found
Cathay Pacific
Wed, 15 Apr - Wed, 22 Apr
TPE
Taipei
SEA
Seattle
HK$4,707 Return, found 6 days ago
HK$4,707
Return
found 6 days ago
Select Cathay Pacific flight, departing Wed, 15 Apr from Taipei to Seattle, returning Wed, 22 Apr, priced at HK$4,707 found 6 days ago
United
Fri, 13 Feb - Sun, 22 Feb
HKG
Hong Kong SAR
SEA
Seattle
HK$4,867 Return, just found
HK$4,867
Return
just found
Select United flight, departing Fri, 13 Feb from Hong Kong SAR to Seattle, returning Sun, 22 Feb, priced at HK$4,867 just found
United
Sun, 1 Mar - Thu, 30 Apr
TPE
Taipei
PDX
Portland
HK$4,869 Return, found 4 days ago
HK$4,869
Return
found 4 days ago
Select United flight, departing Sun, 1 Mar from Taipei to Portland, returning Thu, 30 Apr, priced at HK$4,869 found 4 days ago
Delta
Thu, 22 Jan - Wed, 4 Feb
TPE
Taipei
SEA
Seattle
HK$4,935 Return, found 2 days ago
HK$4,935
Return
found 2 days ago
Select Delta flight, departing Thu, 22 Jan from Taipei to Seattle, returning Wed, 4 Feb, priced at HK$4,935 found 2 days ago
China Airlines
Mon, 6 Apr - Fri, 10 Apr
HKG
Hong Kong SAR
SEA
Seattle
HK$5,113 Return, found 6 hours ago
HK$5,113
Return
found 6 hours ago
Select China Airlines flight, departing Mon, 6 Apr from Hong Kong SAR to Seattle, returning Fri, 10 Apr, priced at HK$5,113 found 6 hours ago
Asiana Airlines
Fri, 12 Jun - Fri, 19 Jun
HKG
Hong Kong SAR
SEA
Seattle
HK$5,279 Return, found 12 hours ago
HK$5,279
Return
found 12 hours ago
Select Asiana Airlines flight, departing Fri, 12 Jun from Hong Kong SAR to Seattle, returning Fri, 19 Jun, priced at HK$5,279 found 12 hours ago
Air Canada
Wed, 21 Jan - Wed, 28 Jan
HKG
Hong Kong SAR
PDX
Portland
HK$5,317 Return, found 6 days ago
HK$5,317
Return
found 6 days ago
Select Air Canada flight, departing Wed, 21 Jan from Hong Kong SAR to Portland, returning Wed, 28 Jan, priced at HK$5,317 found 6 days ago
Korean Air
Wed, 2 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$5,423 Return, found 1 hour ago
HK$5,423
Return
found 1 hour ago
Select Korean Air flight, departing Wed, 2 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at HK$5,423 found 1 hour ago

About Washington

Expedia offers flights to Washington to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Washington or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Washington that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to give you the most flexible fares available. Simply mark the "No change fee" box right under the "Flexible change policies" filter to find the best flights to Washington.
Which airlines fly to Washington?
Book your seat with any of these airlines and buckle up for new adventures in Washington:

  • Alaska Airlines - 9,739 flights to or near Washington each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) and 676 flights to Spokane Intl. Airport (GEG) per month.
  • American Airlines - 8,039 flights to or near Washington each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 663 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 6,417 flights to or near Washington each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) and 1,516 flights to Ronald Reagan Washington National Airport (DCA) per month.

How can I find cheap tickets to Washington?
Start searching as early as possible, fly in or out of nearby airports, avoid peak travel periods — you're not short of ways! One more is to make the most of Expedia's "flexible dates" feature. Search for your Washington flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Washington was HK$4,583.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between HK$4,583 and HK$5,423 in the last seven days. For one-way journeys from Hong Kong SAR (HKG), the lowest amount paid during this time was HK$2,812.
What are the most popular airports to fly into in Washington?
Your budget, departure point and your chosen airline will help decide which of these major Washington airports you'll touch down at:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Spokane Intl. Airport (GEG) - 1,742 flights per month.

When is the cheapest time to fly to Washington?
If you're not fixed on what date you jet off to Washington, fly out early in the week. The cheapest day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the priciest day, with many holiday makers preferring to fly on the weekend.
How much is a plane ticket to Washington?
In the last seven days, plane tickets to Washington varied from HK$4,583 to HK$5,423.
What is the best time to go to Washington?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a lovely time to travel to the exciting Washington city of Seattle. Average temperatures range between 13ºC and 24ºC across the season. The biggest crowds can be found here in March, May and June.
What months are the cheapest to book a flight to Washington?
The top month to purchase budget fares to Washington is February. It's worth noting that in the USA, the most expensive time to purchase a ticket is the festive month of December.

Trending flights to Washington

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 13 Aug - Thu, 27 Aug
HKG
Hong Kong SAR
SEA
Seattle
HK$4,583 Return, found 1 hour ago
HK$4,583
Return
found 1 hour ago
Select Philippine Airlines flight, departing Thu, 13 Aug from Hong Kong SAR to Seattle, returning Thu, 27 Aug, priced at HK$4,583 found 1 hour ago
*Available to Expedia members.