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Cheap flights to Washington County

View €36 flight on Fri, 21 Aug 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • Breeze Airways

  • United

  • Allegiant Air

  • KLM

  • Air France

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €36 for one-way flights and €72 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€72 Return, found 14 hours ago
€72
Return
found 14 hours ago
Select Breeze Airways flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €72 found 14 hours ago
American Airlines
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€253 Return, found 14 hours ago
€253
Return
found 14 hours ago
Select American Airlines flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €253 found 14 hours ago
Delta
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€253 Return, found 14 hours ago
€253
Return
found 14 hours ago
Select Delta flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €253 found 14 hours ago
Breeze Airways
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€258 Return, found 14 hours ago
€258
Return
found 14 hours ago
Select Breeze Airways flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €258 found 14 hours ago
American Airlines
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€262 Return, found 14 hours ago
€262
Return
found 14 hours ago
Select American Airlines flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €262 found 14 hours ago
Delta
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€266 Return, found 14 hours ago
€266
Return
found 14 hours ago
Select Delta flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €266 found 14 hours ago
Breeze Airways
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€270 Return, found 14 hours ago
€270
Return
found 14 hours ago
Select Breeze Airways flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €270 found 14 hours ago
Delta
Fri, 21 Aug - Mon, 24 Aug
IAD
Washington
TRI
Tri-Cities
€283 Return, found 14 hours ago
€283
Return
found 14 hours ago
Select Delta flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €283 found 14 hours ago
United
Mon, 21 Dec - Wed, 30 Dec
DUB
Dublin
TRI
Tri-Cities
€633 Return, found 22 hours ago
€633
Return
found 22 hours ago
Select United flight, departing Mon, 21 Dec from Dublin to Tri-Cities, returning Wed, 30 Dec, priced at €633 found 22 hours ago
British Airways
Mon, 24 Aug - Thu, 10 Dec
BUD
Budapest
TRI
Tri-Cities
€692 Return, found 5 hours ago
€692
Return
found 5 hours ago
Select British Airways flight, departing Mon, 24 Aug from Budapest to Tri-Cities, returning Thu, 10 Dec, priced at €692 found 5 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
Mon, 21 Dec - Wed, 30 Dec
DUB
Dublin
TRI
Tri-Cities
€633 Return, found 22 hours ago
€633
Return
found 22 hours ago
Select United flight, departing Mon, 21 Dec from Dublin to Tri-Cities, returning Wed, 30 Dec, priced at €633 found 22 hours 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, €72 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 €72 and €692. Many lucky travellers scored one-way tickets from Washington (IAD) for only €36.
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 €72 and €692. 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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