Cheap Flights to Washington | Popular Routes to Washington from HK$1,630

View HK$1,630 flight on Fri, 31 Jul 2026Opens in a new window

Popular airlines to Washington

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

  • 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 Washington

Prices were available within the past 7 days and start at HK$1,630 for one-way flights and HK$3,260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 31 Jul - Mon, 3 Aug
MDW
Chicago
GEG
Spokane
HK$3,260 Return, found 6 days ago
HK$3,260
Return
found 6 days ago
Select Delta flight, departing Fri, 31 Jul from Chicago to Spokane, returning Mon, 3 Aug, priced at HK$3,260 found 6 days ago
Delta
Wed, 5 Aug - Fri, 14 Aug
MDW
Chicago
PDX
Portland
HK$3,905 Return, found 6 days ago
HK$3,905
Return
found 6 days ago
Select Delta flight, departing Wed, 5 Aug from Chicago to Portland, returning Fri, 14 Aug, priced at HK$3,905 found 6 days ago
Cathay Pacific
Thu, 25 Jun - Thu, 10 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,899 Return, found 16 hours ago
HK$4,899
Return
found 16 hours ago
Select Cathay Pacific flight, departing Thu, 25 Jun from Hong Kong SAR to Seattle, returning Thu, 10 Sept, priced at HK$4,899 found 16 hours ago
United
Tue, 1 Sept - Tue, 1 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,930 Return, found 1 day ago
HK$4,930
Return
found 1 day ago
Select United flight, departing Tue, 1 Sept from Hong Kong SAR to Seattle, returning Tue, 1 Sept, priced at HK$4,930 found 1 day ago
Korean Air
Fri, 16 Oct - Sat, 31 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$5,660 Return, found 3 days ago
HK$5,660
Return
found 3 days ago
Select Korean Air flight, departing Fri, 16 Oct from Hong Kong SAR to Seattle, returning Sat, 31 Oct, priced at HK$5,660 found 3 days ago
All Nippon Airways
Mon, 15 Jun - Thu, 9 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$5,870 Return, found 8 hours ago
HK$5,870
Return
found 8 hours ago
Select All Nippon Airways flight, departing Mon, 15 Jun from Hong Kong SAR to Seattle, returning Thu, 9 Jul, priced at HK$5,870 found 8 hours ago
Air Canada
Thu, 25 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$5,998 Return, found 1 day ago
HK$5,998
Return
found 1 day ago
Select Air Canada flight, departing Thu, 25 Jun from Hong Kong SAR to Seattle, returning Sun, 26 Jul, priced at HK$5,998 found 1 day ago
Delta
Sat, 20 Jun - Sat, 4 Jul
HKG
Hong Kong SAR
PDX
Portland
HK$6,486 Return, found 1 day ago
HK$6,486
Return
found 1 day ago
Select Delta flight, departing Sat, 20 Jun from Hong Kong SAR to Portland, returning Sat, 4 Jul, priced at HK$6,486 found 1 day ago
STARLUX Airlines
Mon, 22 Jun - Tue, 7 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$6,620 Return, just found
HK$6,620
Return
just found
Select STARLUX Airlines flight, departing Mon, 22 Jun from Hong Kong SAR to Seattle, returning Tue, 7 Jul, priced at HK$6,620 just found
EVA Airways
Wed, 7 Oct - Wed, 14 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$6,680 Return, found 1 hour ago
HK$6,680
Return
found 1 hour ago
Select EVA Airways flight, departing Wed, 7 Oct from Hong Kong SAR to Seattle, returning Wed, 14 Oct, priced at HK$6,680 found 1 hour ago
Book with confidence

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.

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.

Cathay Pacific
Thu, 25 Jun - Thu, 10 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,899 Return, found 16 hours ago
HK$4,899
Return
found 16 hours ago
Select Cathay Pacific flight, departing Thu, 25 Jun from Hong Kong SAR to Seattle, returning Thu, 10 Sept, priced at HK$4,899 found 16 hours ago

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$3,260.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between HK$3,260 and HK$6,680 in the last seven days. For one-way journeys from Chicago (MDW), the lowest amount paid during this time was HK$1,630.
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$3,260 to HK$6,680.
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.

Book with confidence

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.
About Washington

Explore a world of travel with Expedia

*Available to Expedia members.