Cheap flights to Washington County

View €35 flight on Fri, 6 Feb 2026Opens in a new window

Popular airlines to Washington County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Breeze Airways

    Breeze Airways

  • KLM

    KLM

  • Air France

    Air France

  • Virgin Atlantic

    Virgin Atlantic

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €35 for one-way flights and €70 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€70 Return, found 13 hours ago
€70
Return
found 13 hours ago
Select Breeze Airways flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €70 found 13 hours ago
Breeze Airways
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€79 Return, found 13 hours ago
€79
Return
found 13 hours ago
Select Breeze Airways flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €79 found 13 hours ago
American Airlines
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€231 Return, found 13 hours ago
€231
Return
found 13 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €231 found 13 hours ago
American Airlines
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€248 Return, found 13 hours ago
€248
Return
found 13 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €248 found 13 hours ago
American Airlines
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€264 Return, found 13 hours ago
€264
Return
found 13 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €264 found 13 hours ago
American Airlines
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€269 Return, found 13 hours ago
€269
Return
found 13 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €269 found 13 hours ago
Breeze Airways
Fri, 6 Feb - Mon, 9 Feb
IAD
Washington
TRI
Tri-Cities
€273 Return, found 13 hours ago
€273
Return
found 13 hours ago
Select Breeze Airways flight, departing Fri, 6 Feb from Washington to Tri-Cities, returning Mon, 9 Feb, priced at €273 found 13 hours ago
Delta
Sat, 7 Feb - Sun, 8 Feb
BNA
Nashville
TRI
Tri-Cities
€283 Return, found 1 day ago
€283
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Feb from Nashville to Tri-Cities, returning Sun, 8 Feb, priced at €283 found 1 day ago
KLM
Mon, 26 Jan - Fri, 30 Jan
OPO
Porto
TRI
Tri-Cities
€939 Return, found 10 hours ago
€939
Return
found 10 hours ago
Select KLM flight, departing Mon, 26 Jan from Porto to Tri-Cities, returning Fri, 30 Jan, priced at €939 found 10 hours ago
Air France
Mon, 26 Jan - Fri, 30 Jan
OPO
Porto
TRI
Tri-Cities
€953 Return, found 10 hours ago
€953
Return
found 10 hours ago
Select Air France flight, departing Mon, 26 Jan from Porto to Tri-Cities, returning Fri, 30 Jan, priced at €953 found 10 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, €70 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 €70 and €953. Many lucky travellers scored one-way tickets from Washington (IAD) for only €35.
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 €70 and €953. 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.

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About Washington County

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About Washington County

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