Cheap Flights to Washington County from ₩1,291,800

View ₩1,291,800 flight on Mon, Oct 5, 2026Opens in a new window

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  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

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How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at ₩1,291,800 for one-way flights and ₩1,888,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, Oct 5 - Tue, Oct 13
ICN
Seoul
BOI
Boise
₩1,888,300 Roundtrip, found 5 days ago
₩1,888,300
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Oct 5 from Seoul to Boise, returning Tue, Oct 13, priced at ₩1,888,300 found 5 days ago
Qatar Airways
Mon, Oct 5 - Wed, Oct 14
ICN
Seoul
BOI
Boise
₩1,932,600 Roundtrip, found 5 days ago
₩1,932,600
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Oct 5 from Seoul to Boise, returning Wed, Oct 14, priced at ₩1,932,600 found 5 days ago
Qatar Airways
Mon, Oct 5 - Sat, Oct 17
ICN
Seoul
BOI
Boise
₩1,933,200 Roundtrip, found 5 days ago
₩1,933,200
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Oct 5 from Seoul to Boise, returning Sat, Oct 17, priced at ₩1,933,200 found 5 days ago
Qatar Airways
Mon, Oct 5 - Thu, Oct 15
ICN
Seoul
BOI
Boise
₩1,955,300 Roundtrip, found 5 days ago
₩1,955,300
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Oct 5 from Seoul to Boise, returning Thu, Oct 15, priced at ₩1,955,300 found 5 days ago
Qatar Airways
Wed, Oct 7 - Wed, Oct 14
ICN
Seoul
BOI
Boise
₩1,976,900 Roundtrip, found 5 days ago
₩1,976,900
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Wed, Oct 7 from Seoul to Boise, returning Wed, Oct 14, priced at ₩1,976,900 found 5 days ago
Qatar Airways
Wed, Oct 7 - Sat, Oct 17
ICN
Seoul
BOI
Boise
₩1,977,500 Roundtrip, found 5 days ago
₩1,977,500
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Wed, Oct 7 from Seoul to Boise, returning Sat, Oct 17, priced at ₩1,977,500 found 5 days ago
Alaska Airlines
Mon, Jun 1 - Sun, Jun 21
ICN
Seoul
BOI
Boise
₩2,087,900 Roundtrip, found 5 days ago
₩2,087,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Jun 1 from Seoul to Boise, returning Sun, Jun 21, priced at ₩2,087,900 found 5 days ago
Delta
Mon, Oct 5 - Mon, Oct 12
ICN
Seoul
BOI
Boise
₩2,211,900 Roundtrip, found 5 days ago
₩2,211,900
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 5 from Seoul to Boise, returning Mon, Oct 12, priced at ₩2,211,900 found 5 days ago
Korean Air
Mon, Oct 5 - Mon, Oct 12
ICN
Seoul
BOI
Boise
₩2,311,900 Roundtrip, found 5 days ago
₩2,311,900
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Oct 5 from Seoul to Boise, returning Mon, Oct 12, priced at ₩2,311,900 found 5 days ago
American Airlines
Mon, Oct 5 - Mon, Oct 12
ICN
Seoul
BOI
Boise
₩2,365,600 Roundtrip, found 5 days ago
₩2,365,600
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 5 from Seoul to Boise, returning Mon, Oct 12, priced at ₩2,365,600 found 5 days ago

Trending flights to Washington County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, Oct 5 - Tue, Oct 13
ICN
Seoul
BOI
Boise
₩1,888,300 Roundtrip, found 5 days ago
₩1,888,300
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Oct 5 from Seoul to Boise, returning Tue, Oct 13, priced at ₩1,888,300 found 5 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, ₩1,888,300 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 ₩1,888,300 and ₩2,365,600. If you were traveling one way out of Seoul (ICN), you could have gotten a low-cost fare from just ₩1,291,800.
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 ₩1,888,300 to ₩2,365,600 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 60ºF and 85ºF 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 traveler'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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