Cheap Flights to Washington County from ￥58,260

View ￥58,260 flight on Sat, Jun 27, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • KLM

  • Virgin Atlantic

  • Air France

  • Breeze Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at ￥58,260 for one-way flights and ￥66,350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, May 17 - Fri, May 22
RIC
Richmond
TRI
Tri-Cities
￥66,350 Roundtrip, found 1 day ago
￥66,350
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, May 17 from Richmond to Tri-Cities, returning Fri, May 22, priced at ￥66,350 found 1 day ago
American Airlines
Sun, May 17 - Fri, May 22
RIC
Richmond
TRI
Tri-Cities
￥69,470 Roundtrip, found 1 day ago
￥69,470
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, May 17 from Richmond to Tri-Cities, returning Fri, May 22, priced at ￥69,470 found 1 day ago
American Airlines
Sun, May 17 - Fri, May 22
RIC
Richmond
TRI
Tri-Cities
￥74,410 Roundtrip, found 1 day ago
￥74,410
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, May 17 from Richmond to Tri-Cities, returning Fri, May 22, priced at ￥74,410 found 1 day ago
American Airlines
Sun, May 17 - Fri, May 22
RIC
Richmond
TRI
Tri-Cities
￥77,640 Roundtrip, found 1 day ago
￥77,640
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, May 17 from Richmond to Tri-Cities, returning Fri, May 22, priced at ￥77,640 found 1 day ago
American Airlines
Sun, May 17 - Fri, May 22
RIC
Richmond
TRI
Tri-Cities
￥79,140 Roundtrip, found 1 day ago
￥79,140
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, May 17 from Richmond to Tri-Cities, returning Fri, May 22, priced at ￥79,140 found 1 day ago
American Airlines
Sat, Jun 27 - Sat, Aug 1
DFW
Dallas
TRI
Tri-Cities
￥80,430 Roundtrip, found 1 day ago
￥80,430
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jun 27 from Dallas to Tri-Cities, returning Sat, Aug 1, priced at ￥80,430 found 1 day ago
Delta
Sun, May 17 - Fri, May 22
AGS
Augusta
TRI
Tri-Cities
￥85,050 Roundtrip, found 1 day ago
￥85,050
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, May 17 from Augusta to Tri-Cities, returning Fri, May 22, priced at ￥85,050 found 1 day ago
United
Sat, Jun 27 - Sat, Aug 1
DFW
Dallas
TRI
Tri-Cities
￥97,520 Roundtrip, found 1 day ago
￥97,520
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 27 from Dallas to Tri-Cities, returning Sat, Aug 1, priced at ￥97,520 found 1 day ago
Korean Air
Thu, Oct 8 - Thu, Oct 22
KIX
Osaka
TRI
Tri-Cities
￥242,350 Roundtrip, found 5 days ago
￥242,350
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Oct 8 from Osaka to Tri-Cities, returning Thu, Oct 22, priced at ￥242,350 found 5 days ago
Japan Airlines
Thu, Oct 8 - Thu, Oct 22
ITM
Osaka
TRI
Tri-Cities
￥259,390 Roundtrip, found 5 days ago
￥259,390
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Thu, Oct 8 from Osaka to Tri-Cities, returning Thu, Oct 22, priced at ￥259,390 found 5 days ago

Trending flights to Washington County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Oct 8 - Thu, Oct 22
KIX
Osaka
TRI
Tri-Cities
￥242,350 Roundtrip, found 5 days ago
￥242,350
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Oct 8 from Osaka to Tri-Cities, returning Thu, Oct 22, priced at ￥242,350 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, ￥66,350 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 ￥66,350 and ￥259,390. Many lucky travelers scored one-way tickets from Dallas (DFW) for only ￥58,260.
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.
How much is a plane ticket to Washington County?
In the last seven days, fares to Washington County varied between ￥66,350 and ￥259,390. 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 60ºF and 85ºF.
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.

Explore a world of travel with Expedia

*Available to Expedia members.