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Cheap Flights to Washington County | Popular Routes to Washington County from HK$9,115

View HK$9,115 flight on Tue, 15 Sept 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • KLM

  • Air France

  • Breeze Airways

  • Virgin Atlantic

  • United

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at HK$9,115 for one-way flights and HK$10,883 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, 15 Sept - Thu, 15 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$10,883 Return, found 13 hours ago
HK$10,883
Return
found 13 hours ago
Select Cathay Pacific flight, departing Tue, 15 Sept from Hong Kong SAR to Tri-Cities, returning Thu, 15 Oct, priced at HK$10,883 found 13 hours ago
Cathay Pacific
Tue, 15 Sept - Thu, 15 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$10,985 Return, found 13 hours ago
HK$10,985
Return
found 13 hours ago
Select Cathay Pacific flight, departing Tue, 15 Sept from Hong Kong SAR to Tri-Cities, returning Thu, 15 Oct, priced at HK$10,985 found 13 hours ago
Cathay Pacific
Tue, 15 Sept - Thu, 15 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$11,087 Return, found 13 hours ago
HK$11,087
Return
found 13 hours ago
Select Cathay Pacific flight, departing Tue, 15 Sept from Hong Kong SAR to Tri-Cities, returning Thu, 15 Oct, priced at HK$11,087 found 13 hours ago
Cathay Pacific
Sat, 28 Nov - Fri, 11 Dec
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$11,951 Return, found 3 days ago
HK$11,951
Return
found 3 days ago
Select Cathay Pacific flight, departing Sat, 28 Nov from Hong Kong SAR to Tri-Cities, returning Fri, 11 Dec, priced at HK$11,951 found 3 days ago
Cathay Pacific
Sat, 28 Nov - Fri, 11 Dec
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$12,299 Return, found 3 days ago
HK$12,299
Return
found 3 days ago
Select Cathay Pacific flight, departing Sat, 28 Nov from Hong Kong SAR to Tri-Cities, returning Fri, 11 Dec, priced at HK$12,299 found 3 days ago
Cathay Pacific
Tue, 15 Sept - Thu, 15 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$12,413 Return, found 13 hours ago
HK$12,413
Return
found 13 hours ago
Select Cathay Pacific flight, departing Tue, 15 Sept from Hong Kong SAR to Tri-Cities, returning Thu, 15 Oct, priced at HK$12,413 found 13 hours ago
Delta
Thu, 10 Sept - Mon, 12 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$12,791 Return, found 13 hours ago
HK$12,791
Return
found 13 hours ago
Select Delta flight, departing Thu, 10 Sept from Hong Kong SAR to Tri-Cities, returning Mon, 12 Oct, priced at HK$12,791 found 13 hours ago
Korean Air
Thu, 10 Sept - Mon, 12 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$12,871 Return, found 13 hours ago
HK$12,871
Return
found 13 hours ago
Select Korean Air flight, departing Thu, 10 Sept from Hong Kong SAR to Tri-Cities, returning Mon, 12 Oct, priced at HK$12,871 found 13 hours ago
Qatar Airways
Thu, 10 Sept - Mon, 12 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$13,773 Return, found 13 hours ago
HK$13,773
Return
found 13 hours ago
Select Qatar Airways flight, departing Thu, 10 Sept from Hong Kong SAR to Tri-Cities, returning Mon, 12 Oct, priced at HK$13,773 found 13 hours ago
United
Sat, 28 Nov - Fri, 11 Dec
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$15,329 Return, found 3 days ago
HK$15,329
Return
found 3 days ago
Select United flight, departing Sat, 28 Nov from Hong Kong SAR to Tri-Cities, returning Fri, 11 Dec, priced at HK$15,329 found 3 days ago

Trending flights to Washington County

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
Tue, 15 Sept - Thu, 15 Oct
HKG
Hong Kong SAR
TRI
Tri-Cities
HK$10,883 Return, found 13 hours ago
HK$10,883
Return
found 13 hours ago
Select Cathay Pacific flight, departing Tue, 15 Sept from Hong Kong SAR to Tri-Cities, returning Thu, 15 Oct, priced at HK$10,883 found 13 hours ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to offer you the most flexible fares in town. Just tick the "No change fee" box right under the "Flexible change policies" filter to find the best flights to Washington County.
Which airlines fly to Washington County?
Find your passport, pack your bags and choose from these major airlines that have flights into or near Washington County:

  • American Airlines - 260 flights to or near Washington County each month, including 260 flights to Tri-Cities Regional Airport (TRI) per month.
  • Delta Air Lines - 108 flights to or near Washington County each month, including 108 flights to Tri-Cities Regional Airport (TRI) per month.
  • Allegiant Air - 17 flights to or near Washington County each month, including 17 flights to Tri-Cities Regional Airport (TRI) per month.

How can I find cheap tickets to Washington County?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then click on the flexible dates box above to see the cheapest prices for nearby days. HK$10,883 was the cheapest price for a flight to Washington County in the last seven days.
How much is a flight to Washington County?
The cost of a round-trip ticket to Washington County in the last seven days fluctuated between HK$10,883 and HK$15,329. If you were flying one way from Hong Kong SAR (HKG), you could have picked up a bargain from just HK$9,115.
What are the most popular airports to fly into in Washington County?
Pack your suitcase and fly into Tri-Cities Regional Airport (TRI), Washington County's primary flight hub. Book one of the 385 flights that touch down at this top destination every month.
When is the cheapest time to fly to Washington County?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to land the cheapest flight. Steer clear of weekends if possible, because Saturday is typically the most expensive day. Spend the money you saved having fun in Washington County instead!
How much is a plane ticket to Washington County?
In the last seven days, seats to Washington County varied between HK$10,883 and HK$15,329. Prices usually rise as your travel date nears, so land yourself an awesome deal today.
What is the best time to go to Washington County?
If you want to experience Washington County's leading city when it's buzzing with activity, set off for Bristol sometime in June, July and August. Like most places in the Northern Hemisphere, summer here starts June 20, bringing average temperatures of between 16ºC and 29ºC.
What months are the cheapest to book a flight to Washington County?
February is the cheapest month to reserve a seat for your Washington County escape. Fares are priciest over the busy month of December, so keep clear of this time if possible.

Book with confidence

About Washington County

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