Cheap flights to Washington County

View €243 flight on Mon, 7 Sept 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • KLM

  • Virgin Atlantic

  • Air France

  • Qatar Airways

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €243 for one-way flights and €375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 25 Apr - Sun, 26 Apr
CLT
Charlotte
TRI
Tri-Cities
€375 Return, found 4 hours ago
€375
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 25 Apr from Charlotte to Tri-Cities, returning Sun, 26 Apr, priced at €375 found 4 hours ago
Delta
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€376 Return, found 12 hours ago
€376
Return
found 12 hours ago
Select Delta flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €376 found 12 hours ago
Delta
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€472 Return, found 12 hours ago
€472
Return
found 12 hours ago
Select Delta flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €472 found 12 hours ago
Delta
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€482 Return, found 12 hours ago
€482
Return
found 12 hours ago
Select Delta flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €482 found 12 hours ago
Delta
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€569 Return, found 12 hours ago
€569
Return
found 12 hours ago
Select Delta flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €569 found 12 hours ago
Delta
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€578 Return, found 12 hours ago
€578
Return
found 12 hours ago
Select Delta flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €578 found 12 hours ago
American Airlines
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€580 Return, found 12 hours ago
€580
Return
found 12 hours ago
Select American Airlines flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €580 found 12 hours ago
KLM
Wed, 26 Aug - Mon, 31 Aug
DUB
Dublin
TRI
Tri-Cities
€677 Return, found 2 days ago
€677
Return
found 2 days ago
Select KLM flight, departing Wed, 26 Aug from Dublin to Tri-Cities, returning Mon, 31 Aug, priced at €677 found 2 days ago
Air France
Tue, 7 Apr - Sat, 11 Apr
DUB
Dublin
TRI
Tri-Cities
€687 Return, found 2 days ago
€687
Return
found 2 days ago
Select Air France flight, departing Tue, 7 Apr from Dublin to Tri-Cities, returning Sat, 11 Apr, priced at €687 found 2 days ago
United
Mon, 7 Sept - Sun, 13 Sept
PDX
Portland
TRI
Tri-Cities
€1,078 Return, found 12 hours ago
€1,078
Return
found 12 hours ago
Select United flight, departing Mon, 7 Sept from Portland to Tri-Cities, returning Sun, 13 Sept, priced at €1,078 found 12 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.

Delta
Wed, 26 Aug - Mon, 31 Aug
DUB
Dublin
TRI
Tri-Cities
€653 Return, found 2 days ago
€653
Return
found 2 days ago
Select Delta flight, departing Wed, 26 Aug from Dublin to Tri-Cities, returning Mon, 31 Aug, priced at €653 found 2 days ago

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. €375 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 €375 and €1,078. If you were flying one way from Portland (PDX), you could have picked up a bargain from just €243.
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 €375 and €1,078. 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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About Washington County

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About Washington County

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