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Cheap flights to Washington County

View €457 flight on Tue, 13 Oct 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • Breeze Airways

  • United

  • KLM

  • Allegiant Air

  • Air France

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €457 for one-way flights and €790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€790 Return, found 1 day ago
€790
Return
found 1 day ago
Select American Airlines flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €790 found 1 day ago
American Airlines
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€798 Return, found 1 day ago
€798
Return
found 1 day ago
Select American Airlines flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €798 found 1 day ago
American Airlines
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€826 Return, found 1 day ago
€826
Return
found 1 day ago
Select American Airlines flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €826 found 1 day ago
American Airlines
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€840 Return, found 1 day ago
€840
Return
found 1 day ago
Select American Airlines flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €840 found 1 day ago
Delta
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€843 Return, found 1 day ago
€843
Return
found 1 day ago
Select Delta flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €843 found 1 day ago
KLM
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€867 Return, found 1 day ago
€867
Return
found 1 day ago
Select KLM flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €867 found 1 day ago
KLM
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€868 Return, found 1 day ago
€868
Return
found 1 day ago
Select KLM flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €868 found 1 day ago
American Airlines
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€880 Return, found 1 day ago
€880
Return
found 1 day ago
Select American Airlines flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €880 found 1 day ago
Air France
Sun, 2 Aug - Mon, 31 Aug
ZYR
Brussels
TRI
Tri-Cities
€1,009 Return, found 1 day ago
€1,009
Return
found 1 day ago
Select Air France flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €1,009 found 1 day ago
British Airways
Sun, 2 Aug - Mon, 31 Aug
BRU
Brussels
TRI
Tri-Cities
€1,046 Return, found 1 day ago
€1,046
Return
found 1 day ago
Select British Airways flight, departing Sun, 2 Aug from Brussels to Tri-Cities, returning Mon, 31 Aug, priced at €1,046 found 1 day 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, €790 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 €790 and €1,241. Many lucky travellers scored one-way tickets from Brussels (BRU) for only €457.
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 €790 and €1,241. 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

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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