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$2,034 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,034 Return, found 1 day ago
HK$2,034
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,034 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,271 Return, found 1 day ago
HK$2,271
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,271 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,497 Return, found 1 day ago
HK$2,497
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,497 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,540 Return, found 1 day ago
HK$2,540
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,540 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,583 Return, found 1 day ago
HK$2,583
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,583 found 1 day ago
Delta
Mon, 6 Apr - Wed, 8 Apr
OAK
Oakland
BOI
Boise
HK$2,776 Return, found 1 day ago
HK$2,776
Return
found 1 day ago
Select Delta flight, departing Mon, 6 Apr from Oakland to Boise, returning Wed, 8 Apr, priced at HK$2,776 found 1 day ago
Korean Air
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$9,064 Return, found 6 hours ago
HK$9,064
Return
found 6 hours ago
Select Korean Air flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$9,064 found 6 hours ago
STARLUX Airlines
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$10,596 Return, found 6 hours ago
HK$10,596
Return
found 6 hours ago
Select STARLUX Airlines flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$10,596 found 6 hours ago
United
Wed, 17 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$11,156 Return, found 6 hours ago
HK$11,156
Return
found 6 hours ago
Select United flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$11,156 found 6 hours ago
Japan Airlines
Tue, 16 Jun - Mon, 20 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$13,870 Return, found 5 days ago
HK$13,870
Return
found 5 days ago
Select Japan Airlines flight, departing Tue, 16 Jun from Hong Kong SAR to Boise, returning Mon, 20 Jul, priced at HK$13,870 found 5 days 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$2,034 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$2,034 and HK$13,870. 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$2,034 to HK$13,870 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 6 hours ago
HK$4,996
Return
found 6 hours ago
Select Delta flight, departing Wed, 17 Jun from Hong Kong SAR to Boise, returning Sun, 26 Jul, priced at HK$4,996 found 6 hours ago
*Available to Expedia members.