Flight Destinations in Washington County

Popular airlines to Washington County

  • Nok Air

    Nok Air

  • Thai AirAsia

    Thai AirAsia

  • Thai Airways International

    Thai Airways International

  • Thai AirAsia X

    Thai AirAsia X

  • Hong Kong Airlines

    Hong Kong Airlines

  • AirAsia

    AirAsia

  • Scoot

    Scoot

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at ฿2,110 for one-way flights and ฿3,280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 28 Oct - Tue, 4 Nov
SEA
Seattle
BOI
Boise
฿3,280 Return, found 4 days ago
฿3,280
Return
found 4 days ago
Select Delta flight, departing Tue, 28 Oct from Seattle to Boise, returning Tue, 4 Nov, priced at ฿3,280 found 4 days ago
Delta
Fri, 26 Dec - Wed, 31 Dec
SEA
Seattle
BOI
Boise
฿4,085 Return, found 1 day ago
฿4,085
Return
found 1 day ago
Select Delta flight, departing Fri, 26 Dec from Seattle to Boise, returning Wed, 31 Dec, priced at ฿4,085 found 1 day ago
Delta
Fri, 26 Dec - Wed, 31 Dec
SEA
Seattle
BOI
Boise
฿4,730 Return, found 1 day ago
฿4,730
Return
found 1 day ago
Select Delta flight, departing Fri, 26 Dec from Seattle to Boise, returning Wed, 31 Dec, priced at ฿4,730 found 1 day ago
Delta
Tue, 28 Oct - Tue, 4 Nov
SEA
Seattle
BOI
Boise
฿5,205 Return, found 4 days ago
฿5,205
Return
found 4 days ago
Select Delta flight, departing Tue, 28 Oct from Seattle to Boise, returning Tue, 4 Nov, priced at ฿5,205 found 4 days ago
Delta
Tue, 28 Oct - Tue, 4 Nov
SEA
Seattle
BOI
Boise
฿5,880 Return, found 4 days ago
฿5,880
Return
found 4 days ago
Select Delta flight, departing Tue, 28 Oct from Seattle to Boise, returning Tue, 4 Nov, priced at ฿5,880 found 4 days ago
Delta
Tue, 28 Oct - Tue, 4 Nov
SEA
Seattle
BOI
Boise
฿5,925 Return, found 4 days ago
฿5,925
Return
found 4 days ago
Select Delta flight, departing Tue, 28 Oct from Seattle to Boise, returning Tue, 4 Nov, priced at ฿5,925 found 4 days ago
United
Tue, 28 Oct - Tue, 4 Nov
SEA
Seattle
BOI
Boise
฿7,535 Return, found 4 days ago
฿7,535
Return
found 4 days ago
Select United flight, departing Tue, 28 Oct from Seattle to Boise, returning Tue, 4 Nov, priced at ฿7,535 found 4 days ago
Philippine Airlines
Tue, 3 Feb - Wed, 29 Apr
BKK
Bangkok
BOI
Boise
฿24,835 Return, found 1 day ago
฿24,835
Return
found 1 day ago
Select Philippine Airlines flight, departing Tue, 3 Feb from Bangkok to Boise, returning Wed, 29 Apr, priced at ฿24,835 found 1 day ago
American Airlines
Sun, 12 Oct - Thu, 16 Oct
SEA
Seattle
BOI
Boise
฿28,520 Return, found 3 days ago
฿28,520
Return
found 3 days ago
Select American Airlines flight, departing Sun, 12 Oct from Seattle to Boise, returning Thu, 16 Oct, priced at ฿28,520 found 3 days ago
Alaska Airlines
Sun, 12 Oct - Thu, 16 Oct
PAE
Seattle
BOI
Boise
฿35,370 Return, found 3 days ago
฿35,370
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 12 Oct from Seattle to Boise, returning Thu, 16 Oct, priced at ฿35,370 found 3 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, ฿3,280 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 ฿3,280 and ฿35,370. If you were travelling one way out of Seattle (SEA), you could have gotten a low-cost fare from just ฿2,110.
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 ฿3,280 to ฿35,370 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.

Philippine Airlines
Tue, 3 Feb - Wed, 29 Apr
BKK
Bangkok
BOI
Boise
฿24,835 Return, found 1 day ago
฿24,835
Return
found 1 day ago
Select Philippine Airlines flight, departing Tue, 3 Feb from Bangkok to Boise, returning Wed, 29 Apr, priced at ฿24,835 found 1 day ago
*Available to Expedia members.