Cheap Flights to Washington County

View AU$1,053 flight on Thu, 23 July 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • KLM

  • Virgin Atlantic

  • Air France

  • Qatar Airways

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Cheapest Flights to Washington County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 25 May - Mon, 22 June
SYD
Sydney
TRI
Tri-Cities
AU$1,635 Return, found 3 days ago
AU$1,635
Return
found 3 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Tri-Cities, returning Mon, 22 June, priced at AU$1,635 found 3 days ago
American Airlines
Thu, 23 July - Mon, 27 July
SYD
Sydney
TRI
Tri-Cities
AU$1,637 Return, found 6 days ago
AU$1,637
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 July from Sydney to Tri-Cities, returning Mon, 27 July, priced at AU$1,637 found 6 days ago
American Airlines
Mon, 25 May - Mon, 22 June
SYD
Sydney
TRI
Tri-Cities
AU$1,646 Return, found 3 days ago
AU$1,646
Return
found 3 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Tri-Cities, returning Mon, 22 June, priced at AU$1,646 found 3 days ago
American Airlines
Thu, 23 July - Mon, 27 July
SYD
Sydney
TRI
Tri-Cities
AU$1,648 Return, found 6 days ago
AU$1,648
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 July from Sydney to Tri-Cities, returning Mon, 27 July, priced at AU$1,648 found 6 days ago
American Airlines
Mon, 25 May - Mon, 22 June
SYD
Sydney
TRI
Tri-Cities
AU$1,657 Return, found 3 days ago
AU$1,657
Return
found 3 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Tri-Cities, returning Mon, 22 June, priced at AU$1,657 found 3 days ago
American Airlines
Thu, 23 July - Mon, 27 July
SYD
Sydney
TRI
Tri-Cities
AU$1,658 Return, found 6 days ago
AU$1,658
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 July from Sydney to Tri-Cities, returning Mon, 27 July, priced at AU$1,658 found 6 days ago
Delta
Mon, 25 May - Mon, 22 June
SYD
Sydney
TRI
Tri-Cities
AU$1,661 Return, found 3 days ago
AU$1,661
Return
found 3 days ago
Select Delta flight, departing Mon, 25 May from Sydney to Tri-Cities, returning Mon, 22 June, priced at AU$1,661 found 3 days ago
United
Tue, 11 Aug - Mon, 17 Aug
BNE
Brisbane
TRI
Tri-Cities
AU$1,676 Return, found 2 days ago
AU$1,676
Return
found 2 days ago
Select United flight, departing Tue, 11 Aug from Brisbane to Tri-Cities, returning Mon, 17 Aug, priced at AU$1,676 found 2 days ago
Qantas Airways
Tue, 19 May - Mon, 25 May
BNE
Brisbane
TRI
Tri-Cities
AU$1,680 Return, found 2 days ago
AU$1,680
Return
found 2 days ago
Select Qantas Airways flight, departing Tue, 19 May from Brisbane to Tri-Cities, returning Mon, 25 May, priced at AU$1,680 found 2 days ago
Jetstar
Tue, 11 Aug - Mon, 17 Aug
BNE
Brisbane
TRI
Tri-Cities
AU$1,682 Return, found 2 days ago
AU$1,682
Return
found 2 days ago
Select Jetstar flight, departing Tue, 11 Aug from Brisbane to Tri-Cities, returning Mon, 17 Aug, priced at AU$1,682 found 2 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.

American Airlines
Mon, 25 May - Mon, 22 June
SYD
Sydney
TRI
Tri-Cities
AU$1,635 Return, found 3 days ago
AU$1,635
Return
found 3 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Tri-Cities, returning Mon, 22 June, priced at AU$1,635 found 3 days 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. AU$1,635 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 AU$1,635 and AU$2,509. If you were flying one way from Sydney (SYD), you could have picked up a bargain from just AU$1,053.
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 AU$1,635 and AU$2,509. 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

Washington County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Washington County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Washington County Airfare

At Expedia.com.au, it’s simple to find cheap flights to Washington County that won’t cause your wallet to flinch. Browse through our inventory of Washington County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Washington County Flights

Travel information

Washington County Flights Information

Airlines serving
American Airlines, Delta, United, Qantas Airways, Jetstar, Qatar Airways
Roundtrip price
from AU$1,635
Washington County Flights Information

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