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Cheap flights to Washington County

View €120 flight on Sat, 8 Aug 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 €120 for one-way flights and €261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 16 Jul - Sun, 19 Jul
SEA
Seattle
BOI
Boise
€261 Return, found 14 hours ago
€261
Return
found 14 hours ago
Select Delta flight, departing Thu, 16 Jul from Seattle to Boise, returning Sun, 19 Jul, priced at €261 found 14 hours ago
Delta
Thu, 16 Jul - Sun, 19 Jul
PDX
Portland
BOI
Boise
€268 Return, found 14 hours ago
€268
Return
found 14 hours ago
Select Delta flight, departing Thu, 16 Jul from Portland to Boise, returning Sun, 19 Jul, priced at €268 found 14 hours ago
United
Wed, 15 Jul - Sat, 18 Jul
PDX
Portland
BOI
Boise
€274 Return, found 1 day ago
€274
Return
found 1 day ago
Select United flight, departing Wed, 15 Jul from Portland to Boise, returning Sat, 18 Jul, priced at €274 found 1 day ago
Delta
Thu, 16 Jul - Sun, 19 Jul
SEA
Seattle
BOI
Boise
€287 Return, found 14 hours ago
€287
Return
found 14 hours ago
Select Delta flight, departing Thu, 16 Jul from Seattle to Boise, returning Sun, 19 Jul, priced at €287 found 14 hours ago
American Airlines
Sat, 8 Aug - Sun, 9 Aug
SNA
Orange County
BOI
Boise
€290 Return, found 1 day ago
€290
Return
found 1 day ago
Select American Airlines flight, departing Sat, 8 Aug from Orange County to Boise, returning Sun, 9 Aug, priced at €290 found 1 day ago
Delta
Thu, 16 Jul - Sun, 19 Jul
PDX
Portland
BOI
Boise
€292 Return, found 14 hours ago
€292
Return
found 14 hours ago
Select Delta flight, departing Thu, 16 Jul from Portland to Boise, returning Sun, 19 Jul, priced at €292 found 14 hours ago
Delta
Sat, 8 Aug - Sun, 9 Aug
SNA
Orange County
BOI
Boise
€295 Return, found 1 day ago
€295
Return
found 1 day ago
Select Delta flight, departing Sat, 8 Aug from Orange County to Boise, returning Sun, 9 Aug, priced at €295 found 1 day ago
United
Wed, 8 Jul - Wed, 15 Jul
CYS
Cheyenne
BOI
Boise
€348 Return, found 1 day ago
€348
Return
found 1 day ago
Select United flight, departing Wed, 8 Jul from Cheyenne to Boise, returning Wed, 15 Jul, priced at €348 found 1 day ago
WestJet
Wed, 8 Jul - Wed, 15 Jul
YYC
Calgary
BOI
Boise
€445 Return, found 1 day ago
€445
Return
found 1 day ago
Select WestJet flight, departing Wed, 8 Jul from Calgary to Boise, returning Wed, 15 Jul, priced at €445 found 1 day ago
Air Canada
Wed, 8 Jul - Wed, 15 Jul
YYC
Calgary
BOI
Boise
€542 Return, found 1 day ago
€542
Return
found 1 day ago
Select Air Canada flight, departing Wed, 8 Jul from Calgary to Boise, returning Wed, 15 Jul, priced at €542 found 1 day 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.

Finnair
Wed, 28 Oct - Wed, 4 Nov
DUB
Dublin
BOI
Boise
€825 Return, found 5 days ago
€825
Return
found 5 days ago
Select Finnair flight, departing Wed, 28 Oct from Dublin to Boise, returning Wed, 4 Nov, priced at €825 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, €261 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 €261 and €825. If you were travelling one way out of Orange County (SNA), you could have gotten a low-cost fare from just €120.
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 €261 to €825 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

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.
About Washington County
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