Cheap Flights to Washington | Popular Routes to Washington from HK$2,818

View HK$2,818 flight on Mon, 18 May 2026Opens in a new window

Popular airlines to Washington

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Washington

Prices were available within the past 7 days and start at HK$2,818 for one-way flights and HK$4,316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 26 Jun - Tue, 30 Jun
HKG
Hong Kong SAR
SEA
Seattle
HK$4,316 Return, found 4 days ago
HK$4,316
Return
found 4 days ago
Select Delta flight, departing Fri, 26 Jun from Hong Kong SAR to Seattle, returning Tue, 30 Jun, priced at HK$4,316 found 4 days ago
Philippine Airlines
Wed, 17 Jun - Fri, 26 Jun
HKG
Hong Kong SAR
SEA
Seattle
HK$4,595 Return, found 4 days ago
HK$4,595
Return
found 4 days ago
Select Philippine Airlines flight, departing Wed, 17 Jun from Hong Kong SAR to Seattle, returning Fri, 26 Jun, priced at HK$4,595 found 4 days ago
Air Canada
Wed, 24 Jun - Thu, 9 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$4,702 Return, found 1 day ago
HK$4,702
Return
found 1 day ago
Select Air Canada flight, departing Wed, 24 Jun from Hong Kong SAR to Seattle, returning Thu, 9 Jul, priced at HK$4,702 found 1 day ago
Delta
Tue, 16 Jun - Sat, 4 Jul
HKG
Hong Kong SAR
GEG
Spokane
HK$4,980 Return, found 3 days ago
HK$4,980
Return
found 3 days ago
Select Delta flight, departing Tue, 16 Jun from Hong Kong SAR to Spokane, returning Sat, 4 Jul, priced at HK$4,980 found 3 days ago
Delta
Sat, 27 Jun - Fri, 21 Aug
HKG
Hong Kong SAR
PDX
Portland
HK$4,996 Return, found 4 days ago
HK$4,996
Return
found 4 days ago
Select Delta flight, departing Sat, 27 Jun from Hong Kong SAR to Portland, returning Fri, 21 Aug, priced at HK$4,996 found 4 days ago
Asiana Airlines
Thu, 14 May - Mon, 18 May
HKG
Hong Kong SAR
SEA
Seattle
HK$5,100 Return, found 3 days ago
HK$5,100
Return
found 3 days ago
Select Asiana Airlines flight, departing Thu, 14 May from Hong Kong SAR to Seattle, returning Mon, 18 May, priced at HK$5,100 found 3 days ago
China Airlines
Sun, 15 Mar - Tue, 24 Mar
HKG
Hong Kong SAR
SEA
Seattle
HK$5,122 Return, found 3 hours ago
HK$5,122
Return
found 3 hours ago
Select China Airlines flight, departing Sun, 15 Mar from Hong Kong SAR to Seattle, returning Tue, 24 Mar, priced at HK$5,122 found 3 hours ago
Cathay Pacific
Wed, 9 Sept - Wed, 7 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$5,152 Return, found 4 hours ago
HK$5,152
Return
found 4 hours ago
Select Cathay Pacific flight, departing Wed, 9 Sept from Hong Kong SAR to Seattle, returning Wed, 7 Oct, priced at HK$5,152 found 4 hours ago
United
Thu, 16 Apr - Thu, 16 Apr
HKG
Hong Kong SAR
SEA
Seattle
HK$5,152 Return, found 1 day ago
HK$5,152
Return
found 1 day ago
Select United flight, departing Thu, 16 Apr from Hong Kong SAR to Seattle, returning Thu, 16 Apr, priced at HK$5,152 found 1 day ago
EVA Airways
Fri, 13 Mar - Thu, 2 Apr
HKG
Hong Kong SAR
SEA
Seattle
HK$5,330 Return, found 4 days ago
HK$5,330
Return
found 4 days ago
Select EVA Airways flight, departing Fri, 13 Mar from Hong Kong SAR to Seattle, returning Thu, 2 Apr, priced at HK$5,330 found 4 days 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$4,316.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between HK$4,316 and HK$5,330 in the last seven days. For one-way journeys from Hong Kong SAR (HKG), the lowest amount paid during this time was HK$2,818.
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$4,316 to HK$5,330.
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.

Delta
Fri, 26 Jun - Tue, 30 Jun
HKG
Hong Kong SAR
SEA
Seattle
HK$4,316 Return, found 4 days ago
HK$4,316
Return
found 4 days ago
Select Delta flight, departing Fri, 26 Jun from Hong Kong SAR to Seattle, returning Tue, 30 Jun, priced at HK$4,316 found 4 days ago
*Available to Expedia members.