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Flight to Washington County

View S$141 flight on Fri, 6 Nov, 2026Opens in a new window

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 S$141 for one-way flights and S$217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 26 Aug - Wed, 23 Sept
SEA
Seattle
BOI
Boise
S$217 Return, found 2 days ago
S$217
Return
found 2 days ago
Select Delta flight, departing Wed, 26 Aug from Seattle to Boise, returning Wed, 23 Sept, priced at S$217 found 2 days ago
Delta
Sat, 22 Aug - Wed, 26 Aug
LAX
Los Angeles
BOI
Boise
S$255 Return, found 5 days ago
S$255
Return
found 5 days ago
Select Delta flight, departing Sat, 22 Aug from Los Angeles to Boise, returning Wed, 26 Aug, priced at S$255 found 5 days ago
Delta
Sat, 26 Sept - Fri, 9 Oct
LAX
Los Angeles
BOI
Boise
S$267 Return, found 3 days ago
S$267
Return
found 3 days ago
Select Delta flight, departing Sat, 26 Sept from Los Angeles to Boise, returning Fri, 9 Oct, priced at S$267 found 3 days ago
Delta
Sat, 22 Aug - Sun, 23 Aug
LAX
Los Angeles
BOI
Boise
S$269 Return, found 1 day ago
S$269
Return
found 1 day ago
Select Delta flight, departing Sat, 22 Aug from Los Angeles to Boise, returning Sun, 23 Aug, priced at S$269 found 1 day ago
Delta
Thu, 1 Oct - Mon, 5 Oct
BZN
Bozeman
BOI
Boise
S$275 Return, found 1 day ago
S$275
Return
found 1 day ago
Select Delta flight, departing Thu, 1 Oct from Bozeman to Boise, returning Mon, 5 Oct, priced at S$275 found 1 day ago
Delta
Fri, 25 Sept - Fri, 9 Oct
LAX
Los Angeles
BOI
Boise
S$280 Return, found 3 days ago
S$280
Return
found 3 days ago
Select Delta flight, departing Fri, 25 Sept from Los Angeles to Boise, returning Fri, 9 Oct, priced at S$280 found 3 days ago
United
Sat, 22 Aug - Tue, 1 Sept
SEA
Seattle
BOI
Boise
S$333 Return, found 1 day ago
S$333
Return
found 1 day ago
Select United flight, departing Sat, 22 Aug from Seattle to Boise, returning Tue, 1 Sept, priced at S$333 found 1 day ago
American Airlines
Sat, 26 Sept - Fri, 9 Oct
LAX
Los Angeles
BOI
Boise
S$383 Return, found 3 days ago
S$383
Return
found 3 days ago
Select American Airlines flight, departing Sat, 26 Sept from Los Angeles to Boise, returning Fri, 9 Oct, priced at S$383 found 3 days ago
Air Canada
Sat, 10 Oct - Sun, 18 Oct
SIN
Singapore
BOI
Boise
S$1,343 Return, found 6 days ago
S$1,343
Return
found 6 days ago
Select Air Canada flight, departing Sat, 10 Oct from Singapore to Boise, returning Sun, 18 Oct, priced at S$1,343 found 6 days ago
STARLUX Airlines
Fri, 9 Oct - Tue, 20 Oct
SIN
Singapore
BOI
Boise
S$1,440 Return, found 5 days ago
S$1,440
Return
found 5 days ago
Select STARLUX Airlines flight, departing Fri, 9 Oct from Singapore to Boise, returning Tue, 20 Oct, priced at S$1,440 found 5 days 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.

Air Canada
Sat, 10 Oct - Sun, 18 Oct
SIN
Singapore
BOI
Boise
S$1,343 Return, found 6 days ago
S$1,343
Return
found 6 days ago
Select Air Canada flight, departing Sat, 10 Oct from Singapore to Boise, returning Sun, 18 Oct, priced at S$1,343 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, S$217 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 S$217 and S$1,440. If you were travelling one way out of Santa Rosa (STS), you could have gotten a low-cost fare from just S$141.
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 S$217 to S$1,440 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

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.

Travel information

Washington County Flights Information

Airlines serving
Delta, United, American Airlines, Air Canada, STARLUX Airlines
Roundtrip price
from S$217
Washington County Flights Information
*Available to Expedia members.