Flight Destinations in Washington County

View ฿49,795 flight on Mon, 12 Jan 2026Opens in a new window

Popular airlines to Washington County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • KLM

    KLM

  • Breeze Airways

    Breeze Airways

  • 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 ฿49,795 for one-way flights and ฿39,850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿39,850 Return, found 20 hours ago
฿39,850
Return
found 20 hours ago
Select Delta flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿39,850 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿40,745 Return, found 20 hours ago
฿40,745
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿40,745 found 20 hours ago
KLM
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿40,755 Return, found 20 hours ago
฿40,755
Return
found 20 hours ago
Select KLM flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿40,755 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿40,820 Return, found 20 hours ago
฿40,820
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿40,820 found 20 hours ago
Delta
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,005 Return, found 20 hours ago
฿41,005
Return
found 20 hours ago
Select Delta flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,005 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,015 Return, found 20 hours ago
฿41,015
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,015 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,640 Return, found 20 hours ago
฿41,640
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,640 found 20 hours ago
KLM
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,650 Return, found 20 hours ago
฿41,650
Return
found 20 hours ago
Select KLM flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,650 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,715 Return, found 20 hours ago
฿41,715
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,715 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,900 Return, found 20 hours ago
฿41,900
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,900 found 20 hours ago
KLM
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,910 Return, found 20 hours ago
฿41,910
Return
found 20 hours ago
Select KLM flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,910 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿41,975 Return, found 20 hours ago
฿41,975
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿41,975 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿42,165 Return, found 20 hours ago
฿42,165
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿42,165 found 20 hours ago
KLM
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿42,805 Return, found 20 hours ago
฿42,805
Return
found 20 hours ago
Select KLM flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿42,805 found 20 hours ago
KLM
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿43,060 Return, found 20 hours ago
฿43,060
Return
found 20 hours ago
Select KLM flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿43,060 found 20 hours ago
Air France
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿43,920 Return, found 20 hours ago
฿43,920
Return
found 20 hours ago
Select Air France flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿43,920 found 20 hours ago
Qatar Airways
Mon, 12 Jan - Sun, 25 Jan
RUH
Riyadh
TRI
Tri-Cities
฿74,435 Return, found 20 hours ago
฿74,435
Return
found 20 hours ago
Select Qatar Airways flight, departing Mon, 12 Jan from Riyadh to Tri-Cities, returning Sun, 25 Jan, priced at ฿74,435 found 20 hours 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. ฿39,850 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 ฿39,850 and ฿74,435. If you were flying one way from Riyadh (RUH), you could have picked up a bargain from just ฿49,795.
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 ฿39,850 and ฿74,435. 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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