Cheap Flights to Washington County | Popular Routes to Washington County from HK$1,867

View HK$1,867 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • KLM

  • Breeze Airways

  • Virgin Atlantic

  • Air France

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at HK$1,867 for one-way flights and HK$3,088 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,088 Return, found 7 hours ago
HK$3,088
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,088 found 7 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,432 Return, found 7 hours ago
HK$3,432
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,432 found 7 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,550 Return, found 7 hours ago
HK$3,550
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,550 found 7 hours ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,851 Return, found 7 hours ago
HK$3,851
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,851 found 7 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,894 Return, found 7 hours ago
HK$3,894
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,894 found 7 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,098 Return, found 7 hours ago
HK$4,098
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,098 found 7 hours ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,196 Return, found 7 hours ago
HK$4,196
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,196 found 7 hours ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,217 Return, found 7 hours ago
HK$4,217
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,217 found 7 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,335 Return, found 7 hours ago
HK$4,335
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,335 found 7 hours ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,389 Return, found 7 hours ago
HK$4,389
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,389 found 7 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$3,088 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$3,088 and HK$5,069. If you were flying one way from Washington (IAD), you could have picked up a bargain from just HK$1,867.
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$3,088 and HK$5,069. 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.

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About Washington County

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About Washington County

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