Flight Destinations in Washington County

View ฿30,180 flight on Tue, 9 Jun 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

  • Delta

  • United

  • KLM

  • Air France

  • Virgin Atlantic

  • Breeze Airways

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at ฿30,180 for one-way flights and ฿45,240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿45,240 Return, found 1 day ago
฿45,240
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿45,240 found 1 day ago
Qatar Airways
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿45,970 Return, found 1 day ago
฿45,970
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿45,970 found 1 day ago
United
Tue, 9 Jun - Sat, 25 Jul
BKK
Bangkok
TRI
Tri-Cities
฿46,000 Return, found 1 day ago
฿46,000
Return
found 1 day ago
Select United flight, departing Tue, 9 Jun from Bangkok to Tri-Cities, returning Sat, 25 Jul, priced at ฿46,000 found 1 day ago
Qatar Airways
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿46,700 Return, found 1 day ago
฿46,700
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿46,700 found 1 day ago
United
Tue, 9 Jun - Sat, 25 Jul
BKK
Bangkok
TRI
Tri-Cities
฿48,510 Return, found 1 day ago
฿48,510
Return
found 1 day ago
Select United flight, departing Tue, 9 Jun from Bangkok to Tri-Cities, returning Sat, 25 Jul, priced at ฿48,510 found 1 day ago
Qatar Airways
Wed, 1 Jul - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿50,320 Return, found 1 day ago
฿50,320
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 1 Jul from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿50,320 found 1 day ago
Qatar Airways
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿51,050 Return, found 1 day ago
฿51,050
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿51,050 found 1 day ago
Japan Airlines
Tue, 9 Jun - Sat, 25 Jul
BKK
Bangkok
TRI
Tri-Cities
฿53,235 Return, found 1 day ago
฿53,235
Return
found 1 day ago
Select Japan Airlines flight, departing Tue, 9 Jun from Bangkok to Tri-Cities, returning Sat, 25 Jul, priced at ฿53,235 found 1 day ago
American Airlines
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿54,855 Return, found 1 day ago
฿54,855
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿54,855 found 1 day ago
Finnair
Tue, 9 Jun - Sat, 25 Jul
BKK
Bangkok
TRI
Tri-Cities
฿55,205 Return, found 1 day ago
฿55,205
Return
found 1 day ago
Select Finnair flight, departing Tue, 9 Jun from Bangkok to Tri-Cities, returning Sat, 25 Jul, priced at ฿55,205 found 1 day 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.

Qatar Airways
Mon, 29 Jun - Thu, 13 Aug
BKK
Bangkok
TRI
Tri-Cities
฿45,240 Return, found 1 day ago
฿45,240
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 29 Jun from Bangkok to Tri-Cities, returning Thu, 13 Aug, priced at ฿45,240 found 1 day 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. ฿45,240 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 ฿45,240 and ฿94,215. If you were flying one way from Bangkok (BKK), you could have picked up a bargain from just ฿30,180.
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 ฿45,240 and ฿94,215. 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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