Cheap flights to Washington County

View €27 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines to Washington County

  • Delta

  • American Airlines

  • United

  • Breeze Airways

  • KLM

  • Virgin Atlantic

  • Air France

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €27 for one-way flights and €54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, 6 Mar - Mon, 9 Mar
IAD
Washington
TRI
Tri-Cities
€54 Return, found 14 hours ago
€54
Return
found 14 hours ago
Select Breeze Airways flight, departing Fri, 6 Mar from Washington to Tri-Cities, returning Mon, 9 Mar, priced at €54 found 14 hours ago
Breeze Airways
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€58 Return, found 1 day ago
€58
Return
found 1 day ago
Select Breeze Airways flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €58 found 1 day ago
Breeze Airways
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€63 Return, found 1 day ago
€63
Return
found 1 day ago
Select Breeze Airways flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €63 found 1 day ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€228 Return, found 1 day ago
€228
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €228 found 1 day ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€237 Return, found 1 day ago
€237
Return
found 1 day ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €237 found 1 day ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€241 Return, found 1 day ago
€241
Return
found 1 day ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €241 found 1 day ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€253 Return, found 1 day ago
€253
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €253 found 1 day ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
€263 Return, found 1 day ago
€263
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at €263 found 1 day ago
KLM
Sat, 21 Feb - Wed, 25 Feb
WAW
Warsaw
TRI
Tri-Cities
€1,117 Return, found 1 day ago
€1,117
Return
found 1 day ago
Select KLM flight, departing Sat, 21 Feb from Warsaw to Tri-Cities, returning Wed, 25 Feb, priced at €1,117 found 1 day ago
Air France
Sat, 21 Feb - Wed, 25 Feb
WAW
Warsaw
TRI
Tri-Cities
€1,277 Return, found 1 day ago
€1,277
Return
found 1 day ago
Select Air France flight, departing Sat, 21 Feb from Warsaw to Tri-Cities, returning Wed, 25 Feb, priced at €1,277 found 1 day ago

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.

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to offer you the most flexible fares in town. Just tick the "No change fee" box right under the "Flexible change policies" filter to find the best flights to Washington County.
Which airlines fly to Washington County?
Find your passport, pack your bags and choose from these major airlines that have flights into or near Washington County:

  • 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?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then click on the flexible dates box above to see the cheapest prices for nearby days. €54 was the cheapest price for a flight to Washington County in the last seven days.
How much is a flight to Washington County?
The cost of a round-trip ticket to Washington County in the last seven days fluctuated between €54 and €1,277. If you were flying one way from Washington (IAD), you could have picked up a bargain from just €27.
What are the most popular airports to fly into in Washington County?
Pack your suitcase and fly into Tri-Cities Regional Airport (TRI), Washington County's primary flight hub. Book one of the 385 flights that touch down at this top destination every month.
How much is a plane ticket to Washington County?
In the last seven days, seats to Washington County varied between €54 and €1,277. Prices usually rise as your travel date nears, so land yourself an awesome deal today.
What is the best time to go to Washington County?
If you want to experience Washington County's leading city when it's buzzing with activity, set off for Bristol sometime in June, July and August. Like most places in the Northern Hemisphere, summer here starts June 20, bringing average temperatures of between 16ºC and 29ºC.
What months are the cheapest to book a flight to Washington County?
February is the cheapest month to reserve a seat for your Washington County escape. Fares are priciest over the busy month of December, so keep clear of this time if possible.
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