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Flight Destinations in Washington County

View ฿22,370 flight on Wed, 16 Sept 2026Opens in a new window

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Popular airlines to Washington County

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at ฿22,370 for one-way flights and ฿35,525 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Wed, 2 Sept - Fri, 18 Sept
CNX
Chiang Mai
BOI
Boise
฿35,525 Return, found 6 days ago
฿35,525
Return
found 6 days ago
Select EVA Airways flight, departing Wed, 2 Sept from Chiang Mai to Boise, returning Fri, 18 Sept, priced at ฿35,525 found 6 days ago
EVA Airways
Wed, 2 Sept - Fri, 18 Sept
CNX
Chiang Mai
BOI
Boise
฿35,855 Return, found 6 days ago
฿35,855
Return
found 6 days ago
Select EVA Airways flight, departing Wed, 2 Sept from Chiang Mai to Boise, returning Fri, 18 Sept, priced at ฿35,855 found 6 days ago
EVA Airways
Sat, 22 Aug - Sat, 29 Aug
CNX
Chiang Mai
BOI
Boise
฿36,515 Return, found 6 days ago
฿36,515
Return
found 6 days ago
Select EVA Airways flight, departing Sat, 22 Aug from Chiang Mai to Boise, returning Sat, 29 Aug, priced at ฿36,515 found 6 days ago
EVA Airways
Fri, 4 Sept - Thu, 17 Sept
CNX
Chiang Mai
BOI
Boise
฿36,845 Return, found 6 days ago
฿36,845
Return
found 6 days ago
Select EVA Airways flight, departing Fri, 4 Sept from Chiang Mai to Boise, returning Thu, 17 Sept, priced at ฿36,845 found 6 days ago
EVA Airways
Fri, 4 Sept - Thu, 17 Sept
CNX
Chiang Mai
BOI
Boise
฿37,505 Return, found 6 days ago
฿37,505
Return
found 6 days ago
Select EVA Airways flight, departing Fri, 4 Sept from Chiang Mai to Boise, returning Thu, 17 Sept, priced at ฿37,505 found 6 days ago
EVA Airways
Thu, 22 Oct - Tue, 3 Nov
CNX
Chiang Mai
BOI
Boise
฿37,810 Return, found 1 day ago
฿37,810
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 22 Oct from Chiang Mai to Boise, returning Tue, 3 Nov, priced at ฿37,810 found 1 day ago
EVA Airways
Thu, 22 Oct - Tue, 3 Nov
CNX
Chiang Mai
BOI
Boise
฿38,140 Return, found 1 day ago
฿38,140
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 22 Oct from Chiang Mai to Boise, returning Tue, 3 Nov, priced at ฿38,140 found 1 day ago
STARLUX Airlines
Thu, 22 Oct - Tue, 3 Nov
CNX
Chiang Mai
BOI
Boise
฿38,265 Return, found 1 day ago
฿38,265
Return
found 1 day ago
Select STARLUX Airlines flight, departing Thu, 22 Oct from Chiang Mai to Boise, returning Tue, 3 Nov, priced at ฿38,265 found 1 day ago
China Airlines
Fri, 4 Sept - Thu, 17 Sept
CNX
Chiang Mai
BOI
Boise
฿45,145 Return, found 6 days ago
฿45,145
Return
found 6 days ago
Select China Airlines flight, departing Fri, 4 Sept from Chiang Mai to Boise, returning Thu, 17 Sept, priced at ฿45,145 found 6 days ago
Korean Air
Thu, 22 Oct - Tue, 3 Nov
CNX
Chiang Mai
BOI
Boise
฿50,685 Return, found 1 day ago
฿50,685
Return
found 1 day ago
Select Korean Air flight, departing Thu, 22 Oct from Chiang Mai to Boise, returning Tue, 3 Nov, priced at ฿50,685 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.

EVA Airways
Wed, 2 Sept - Fri, 18 Sept
CNX
Chiang Mai
BOI
Boise
฿35,525 Return, found 6 days ago
฿35,525
Return
found 6 days ago
Select EVA Airways flight, departing Wed, 2 Sept from Chiang Mai to Boise, returning Fri, 18 Sept, priced at ฿35,525 found 6 days 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 a must. That's why we've added a "No change fee" filter to help you find cheap and flexible tickets to Washington County. It's on the left of your screen directly below the "Flexible change policies" heading.
Which airlines fly to Washington County?
You can choose from a selection of airlines that touch down in or near Washington County. Some of your top options are:

  • Alaska Airlines - 754 flights to or near Washington County each month, including 754 flights to Boise Airport (BOI) per month.
  • Delta Air Lines - 489 flights to or near Washington County each month, including 489 flights to Boise Airport (BOI) per month.
  • United Airlines - 303 flights to or near Washington County each month, including 303 flights to Boise Airport (BOI) per month.

How can I find cheap tickets to Washington County?
To nab a terrific deal to Washington County, book in advance. Also think about using Expedia's handy "flexible dates" link above your search results. This will show you the cheapest prices for nearby days. In the last seven days, ฿35,525 was the lowest price for a flight to Washington County.
How much is a flight to Washington County?
The price of a round-trip flight to Washington County in the last seven days varied between ฿35,525 and ฿50,685. If you were travelling one way out of Chiang Mai (CNX), you could have gotten a low-cost fare from just ฿22,370.
What are the most popular airports to fly into in Washington County?
Book your flight to Boise Airport (BOI) and sample the best that Washington County has to offer. As the region's primary entry point, around 1,994 flights land here each month.
How much is a plane ticket to Washington County?
Ticket prices ranged anywhere from ฿35,525 to ฿50,685 in the last seven days. When you're ready to book, we're here to help you grab a cheap flight to Washington County.
What is the best time to go to Washington County?
A fantastic time to head for Washington County, as well as the exciting city of Weiser, is during the busy months of March, June and July. Summer here starts June 20, and you can look forward to temperatures of between 16ºC and 29ºC if you go then. This warmer weather is ideal for wandering around the city sights.
What months are the cheapest to book a flight to Washington County?
The best month to purchase low-cost fares to Washington County is February. It's worth noting that in the U.S, the most expensive time to purchase a ticket is during the busy month of December.

Book with confidence

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.
About Washington County
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