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Cheap Flights to Washington County from ₩163,600

View ₩163,600 flight on Sun, Sep 27, 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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How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at ₩163,600 for one-way flights and ₩356,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 19 - Sun, Sep 27
LAX
Los Angeles
BOI
Boise
₩356,600 Roundtrip, found 1 day ago
₩356,600
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 19 from Los Angeles to Boise, returning Sun, Sep 27, priced at ₩356,600 found 1 day ago
Delta
Thu, Nov 5 - Wed, Nov 11
SFO
San Francisco
BOI
Boise
₩360,100 Roundtrip, found 18 hours ago
₩360,100
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Nov 5 from San Francisco to Boise, returning Wed, Nov 11, priced at ₩360,100 found 18 hours ago
Delta
Sat, Sep 19 - Sun, Sep 27
LAX
Los Angeles
BOI
Boise
₩370,800 Roundtrip, found 1 day ago
₩370,800
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 19 from Los Angeles to Boise, returning Sun, Sep 27, priced at ₩370,800 found 1 day ago
Delta
Thu, Nov 5 - Wed, Nov 11
SFO
San Francisco
BOI
Boise
₩403,300 Roundtrip, found 18 hours ago
₩403,300
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Nov 5 from San Francisco to Boise, returning Wed, Nov 11, priced at ₩403,300 found 18 hours ago
Delta
Thu, Aug 27 - Wed, Sep 2
SFO
San Francisco
BOI
Boise
₩407,900 Roundtrip, found 2 days ago
₩407,900
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 27 from San Francisco to Boise, returning Wed, Sep 2, priced at ₩407,900 found 2 days ago
Delta
Sat, Sep 19 - Sun, Sep 27
LAX
Los Angeles
BOI
Boise
₩414,200 Roundtrip, found 1 day ago
₩414,200
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 19 from Los Angeles to Boise, returning Sun, Sep 27, priced at ₩414,200 found 1 day ago
American Airlines
Sat, Sep 19 - Sun, Sep 27
LAX
Los Angeles
BOI
Boise
₩435,900 Roundtrip, found 1 day ago
₩435,900
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 19 from Los Angeles to Boise, returning Sun, Sep 27, priced at ₩435,900 found 1 day ago
United
Thu, Nov 5 - Wed, Nov 11
SFO
San Francisco
BOI
Boise
₩446,400 Roundtrip, found 18 hours ago
₩446,400
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Nov 5 from San Francisco to Boise, returning Wed, Nov 11, priced at ₩446,400 found 18 hours ago
Korean Air
Wed, Sep 30 - Sun, Oct 4
ICN
Seoul
BOI
Boise
₩1,860,500 Roundtrip, found 2 days ago
₩1,860,500
Roundtrip
found 2 days ago
Select Korean Air flight, departing Wed, Sep 30 from Seoul to Boise, returning Sun, Oct 4, priced at ₩1,860,500 found 2 days ago
Japan Airlines
Tue, Jun 1 - Sat, Jun 19
ICN
Seoul
BOI
Boise
₩2,250,800 Roundtrip, found 3 days ago
₩2,250,800
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Tue, Jun 1 from Seoul to Boise, returning Sat, Jun 19, priced at ₩2,250,800 found 3 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.

United
Fri, Aug 21 - Tue, Aug 25
ICN
Seoul
BOI
Boise
₩1,358,600 Roundtrip, found 2 days ago
₩1,358,600
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Seoul to Boise, returning Tue, Aug 25, priced at ₩1,358,600 found 2 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, ₩356,600 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 ₩356,600 and ₩2,250,800. If you were traveling one way out of Ontario (ONT), you could have gotten a low-cost fare from just ₩163,600.
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 ₩356,600 to ₩2,250,800 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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