Cheap Flights to Washington County | Popular Routes to Washington County from HK$3,124

View HK$3,124 flight on Wed, 17 Jun 2026Opens in a new window

Popular airlines to Washington County

  • HK Express

  • Cathay Pacific

  • Peach

  • British Airways

  • AirAsia

  • Thai AirAsia

  • Hong Kong Airlines

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at HK$3,124 for one-way flights and HK$4,996 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$4,996 Return, found 1 day ago
HK$4,996
Return
found 1 day ago
Select Delta flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$4,996 found 1 day ago
Delta
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$5,796 Return, found 1 day ago
HK$5,796
Return
found 1 day ago
Select Delta flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$5,796 found 1 day ago
EVA Airways
Tue, 16 Jun - Mon, 20 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,394 Return, found 6 days ago
HK$6,394
Return
found 6 days ago
Select EVA Airways flight, departing Tue, 16 Jun from Hong Kong SAR to Boise, returning Mon, 20 Jul, priced at HK$6,394 found 6 days ago
EVA Airways
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,476 Return, found 1 day ago
HK$6,476
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$6,476 found 1 day ago
China Airlines
Tue, 16 Jun - Mon, 20 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,494 Return, found 6 days ago
HK$6,494
Return
found 6 days ago
Select China Airlines flight, departing Tue, 16 Jun from Hong Kong SAR to Boise, returning Mon, 20 Jul, priced at HK$6,494 found 6 days ago
EVA Airways
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,556 Return, found 1 day ago
HK$6,556
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$6,556 found 1 day ago
Asiana Airlines
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,681 Return, found 1 day ago
HK$6,681
Return
found 1 day ago
Select Asiana Airlines flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$6,681 found 1 day ago
EVA Airways
Tue, 16 Jun - Mon, 20 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,704 Return, found 6 days ago
HK$6,704
Return
found 6 days ago
Select EVA Airways flight, departing Tue, 16 Jun from Hong Kong SAR to Boise, returning Mon, 20 Jul, priced at HK$6,704 found 6 days ago
China Airlines
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,936 Return, found 1 day ago
HK$6,936
Return
found 1 day ago
Select China Airlines flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$6,936 found 1 day ago
Korean Air
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$7,395 Return, found 1 day ago
HK$7,395
Return
found 1 day ago
Select Korean Air flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$7,395 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?
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, HK$4,996 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 HK$4,996 and HK$7,395. If you were traveling one way out of Hong Kong SAR (HKG), you could have gotten a low-cost fare from just HK$3,124.
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.
When is the cheapest time to fly to Washington County?
Fly out on a Tuesday to raise your chances of scoring the cheapest airfare to Washington County. Mondays are usually the second most affordable day to take off. Saturday is typically the most expensive day to fly anywhere.
How much is a plane ticket to Washington County?
Ticket prices ranged anywhere from HK$4,996 to HK$7,395 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.

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, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$4,996 Return, found 1 day ago
HK$4,996
Return
found 1 day ago
Select Delta flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$4,996 found 1 day ago
*Available to Expedia members.