Cheap Flights to Washington County

View AU$1,011 flight on Tue, 4 Aug 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • Breeze Airways

  • KLM

  • Virgin Atlantic

  • Air France

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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.

United
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,442 Return, found 5 days ago
AU$2,442
Return
found 5 days ago
Select United flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,442 found 5 days ago
United
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,468 Return, found 5 days ago
AU$2,468
Return
found 5 days ago
Select United flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,468 found 5 days ago
Japan Airlines
Tue, 28 Apr - Sat, 2 May
SYD
Sydney
TRI
Tri-Cities
AU$2,567 Return, found 6 days ago
AU$2,567
Return
found 6 days ago
Select Japan Airlines flight, departing Tue, 28 Apr from Sydney to Tri-Cities, returning Sat, 2 May, priced at AU$2,567 found 6 days ago
Japan Airlines
Mon, 27 Apr - Fri, 1 May
SYD
Sydney
TRI
Tri-Cities
AU$2,602 Return, found 2 days ago
AU$2,602
Return
found 2 days ago
Select Japan Airlines flight, departing Mon, 27 Apr from Sydney to Tri-Cities, returning Fri, 1 May, priced at AU$2,602 found 2 days ago
American Airlines
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,611 Return, found 5 days ago
AU$2,611
Return
found 5 days ago
Select American Airlines flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,611 found 5 days ago
Japan Airlines
Tue, 28 Apr - Sat, 2 May
SYD
Sydney
TRI
Tri-Cities
AU$2,616 Return, found 6 days ago
AU$2,616
Return
found 6 days ago
Select Japan Airlines flight, departing Tue, 28 Apr from Sydney to Tri-Cities, returning Sat, 2 May, priced at AU$2,616 found 6 days ago
Japan Airlines
Wed, 22 Apr - Sun, 26 Apr
MEL
Melbourne
TRI
Tri-Cities
AU$2,617 Return, found 6 days ago
AU$2,617
Return
found 6 days ago
Select Japan Airlines flight, departing Wed, 22 Apr from Melbourne to Tri-Cities, returning Sun, 26 Apr, priced at AU$2,617 found 6 days ago
Qantas Airways
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,635 Return, found 5 days ago
AU$2,635
Return
found 5 days ago
Select Qantas Airways flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,635 found 5 days ago
Qantas Airways
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,646 Return, found 5 days ago
AU$2,646
Return
found 5 days ago
Select Qantas Airways flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,646 found 5 days ago
Delta
Sun, 31 May - Thu, 4 June
MEL
Melbourne
TRI
Tri-Cities
AU$2,656 Return, found 7 hours ago
AU$2,656
Return
found 7 hours ago
Select Delta flight, departing Sun, 31 May from Melbourne to Tri-Cities, returning Thu, 4 June, priced at AU$2,656 found 7 hours 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.

United
Fri, 7 Aug - Sat, 12 Dec
SYD
Sydney
TRI
Tri-Cities
AU$2,442 Return, found 5 days ago
AU$2,442
Return
found 5 days ago
Select United flight, departing Fri, 7 Aug from Sydney to Tri-Cities, returning Sat, 12 Dec, priced at AU$2,442 found 5 days ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
When it comes to flying these days, flexibility is crucial. That's why we've added a "No change fee" search function to help you find cheap and flexible flights to Washington County. It's near the top left of your screen under the "Flexible change policies" subheading.
Which airlines fly to Washington County?
When you're ready to reserve your airfare to or near Washington County, these quality airlines look forward to welcoming you on board:

  • 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?
For an unbeatable deal to Washington County, book ahead of time. Also think about using Expedia's handy "flexible dates" feature at the top of your search results. This will display prices for the days around your travel dates. In the last seven days, AU$2,442 was the best price for a flight to Washington County.
How much is a flight to Washington County?
There were lots of affordable fares up for grabs in the last seven days, with the cost of a round-trip flight to Washington County varying between AU$2,442 and AU$2,656. Many lucky travellers scored one-way tickets from Melbourne (MEL) for only AU$1,011.
What are the most popular airports to fly into in Washington County?
Book your flight to Tri-Cities Regional Airport (TRI) and experience everything that Washington County has to offer. As the region's main entry point, about 385 flights touch down here each month.
When is the cheapest time to fly to Washington County?
If you're not set on what date you travel to Washington County, try to depart early on in the week. The cheapest day to take off is normally Tuesday, followed closely by Monday. Saturday is typically the priciest day, with a lot of people preferring to take off on the weekend.
How much is a plane ticket to Washington County?
In the last seven days, fares to Washington County varied between AU$2,442 and AU$2,656. Prices rise as your travel date nears, so land yourself a bargain today.
What is the best time to go to Washington County?
If you're eager to enjoy Washington County's most populous city at its liveliest, travel to Johnson City sometime during March, April and August. Similar to most places in the Northern Hemisphere, summer here begins June 20  with temperatures ranging between 16ºC and 29ºC.
What months are the cheapest to book a flight to Washington County?
Book your ticket in February for bargain flight deals to Washington County. The festive month of December is generally the most expensive time to buy a seat.

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
United, Delta, American Airlines, Japan Airlines, Qatar Airways, Qantas Airways
Roundtrip price
from AU$2,442
Washington County Flights Information

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