Cheap Flights to Washington County from $51 (2026/2027)

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Weiser

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Weiser

How Much Does it Cost To Fly To Washington County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Dec 10 - Mon, Dec 14
LAS
Harry Reid Intl.
BOI
Boise
$78 Roundtrip, found 5 days ago
$78
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Dec 10 from Harry Reid Intl. to Boise, returning Mon, Dec 14, priced at $78 found 5 days ago
Fri, Jan 8 - Mon, Jan 11
AZA
Phoenix - Mesa Gateway
BOI
Boise
$82 Roundtrip, found 9 hours ago
$82
Roundtrip
found 9 hours ago
Select Allegiant Air flight, departing Fri, Jan 8 from Phoenix - Mesa Gateway to Boise, returning Mon, Jan 11, priced at $82 found 9 hours ago
Thu, Dec 3 - Mon, Dec 7
SAN
San Diego Intl.
BOI
Boise
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 3 from San Diego Intl. to Boise, returning Mon, Dec 7, priced at $117 found 1 hour ago
Sat, Dec 5 - Sat, Dec 5
DEN
Denver Intl.
BOI
Boise
$131 Roundtrip, found 14 hours ago
$131
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sat, Dec 5 from Denver Intl. to Boise, returning Sat, Dec 5, priced at $131 found 14 hours ago
Fri, Dec 11 - Mon, Dec 14
PDX
Portland Intl.
BOI
Boise
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Dec 11 from Portland Intl. to Boise, returning Mon, Dec 14, priced at $137 found 1 day ago
Thu, Jan 21 - Thu, Jan 28
SNA
John Wayne
BOI
Boise
$137 Roundtrip, found 18 hours ago
$137
Roundtrip
found 18 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from John Wayne to Boise, returning Thu, Jan 28, priced at $137 found 18 hours ago
Sat, Nov 21 - Tue, Nov 24
PHX
Sky Harbor Intl.
BOI
Boise
$143 Roundtrip, found 3 days ago
$143
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Nov 21 from Sky Harbor Intl. to Boise, returning Tue, Nov 24, priced at $143 found 3 days ago
Thu, Dec 3 - Mon, Jan 4
LAX
Los Angeles Intl.
BOI
Boise
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 3 from Los Angeles Intl. to Boise, returning Mon, Jan 4, priced at $150 found 1 day ago
OriginDestinationTravel DatesFlights From*
AZABoiseJanuary 8 to January 11$82
SANBoiseNovember 18 to November 23$117
DENBoiseDecember 5 to December 5$131
PDXBoiseDecember 11 to December 14$137
ONTBoiseDecember 3 to December 9$166
SFOBoiseNovember 19 to November 24$185
LAXBoiseDecember 3 to December 7$201
GEGBoiseDecember 1 to December 3$207
SEABoiseNovember 28 to December 2$207
SLCBoiseDecember 5 to December 7$253
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
SANBoiseNovember 8 to November 9$225
AZABoiseNovember 6 to November 9$245
DENBoiseNovember 8 to November 21$269
ONTBoiseNovember 6 to November 8$323
GEGBoiseNovember 7 to November 10$347
PDXBoiseNovember 6 to November 8$352
SFOBoiseNovember 8 to November 9$361
LAXBoiseNovember 6 to November 7$409
SEABoiseNovember 7 to November 10$437
SLCBoiseNovember 8 to November 10$735
*Prices include taxes and fees

Best Washington County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Anniversary Inn - Boise
3.0-star property

Anniversary Inn - Boise

Dec 4 - Dec 6

2 night stay

Spokane (GEG) to Boise (BOI)

Alaska Airlines • Roundtrip • Coach
Price was $538, price is now $445 per person
$445
per person
found 1 day ago
Fairfield Inn & Suites by Marriott Boise West
3.0-star property

Fairfield Inn & Suites by Marriott Boise West

Nov 12 - Nov 16

4 night stay

Ontario Intl. Airport (ONT) to Boise (BOI)

Alaska Airlines • Roundtrip • Coach
Price was $914, price is now $745 per person
$745
per person
found 10 hours ago
Hilton Garden Inn Boise Spectrum
3.0-star property

Hilton Garden Inn Boise Spectrum

Nov 13 - Nov 19

6 night stay

Indianapolis (IND) to Boise (BOI)

Delta • Non-stop • Coach

Boise (BOI) to Indianapolis (IND)

American Airlines • Non-stop • Coach
Price was $1,264, price is now $1,047 per person
$1,047
per person
found 18 hours ago
Don't see what you're looking for?
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Travelers ❤️ These Washington County 🏨

Weiser Motel & RV Park

Weiser Motel & RV Park

2.5 out of 5
747 Hillcrest Avenue Weiser ID
Stay at this hotel in Weiser. Enjoy free WiFi, free parking, and Netflix. Our guests praise the helpful staff and the clean rooms in our reviews.
Opens in a new windowWeiser Motel & RV Park
Red Lion Inn & Suites Ontario

Red Lion Inn & Suites Ontario

2 out of 5
266 NE Goodfellow St. Ontario OR
Stay at this hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Four Rivers Cultural Center and Beck-Kiwanis Park are located nearby.
Opens in a new windowRed Lion Inn & Suites Ontario
Motel 6 Ontario, OR

Motel 6 Ontario, OR

2 out of 5
275 Ne 12th St Ontario OR
Stay at this motel in Ontario. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Four Rivers Cultural Center and Beck-Kiwanis Park are located nearby.
7.6/10 Good! (1,090 reviews)
"Quiet and easy to get to places to eat and shop."

Reviewed on Oct 31, 2026

Opens in a new windowMotel 6 Ontario, OR
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Birch Glen Hotel

Birch Glen Hotel

2 out of 5
762 S Main St Cascade ID
Book a stay at this family-friendly hotel in Cascade. Enjoy free WiFi, free parking, and a pool table. Popular attractions Kelly's Whitewater Park and Armstrong Park are located nearby.
Opens in a new windowBirch Glen Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Washington County?
Based on prices found over the last seven days, a roundtrip flight to Washington County was as low as $78. If you can be flexible with your dates, it makes it easy to snap up a great bargain. This price was available on Travelocity for flights to Washington County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Washington County?
Splash out more money on grand experiences and less on your airline ticket by making your way to Washington County in December. This is the most affordable time to set off to this place based on Travelocity's direct return flight demand from January to December last year. Take a peek at our selection of flights and get away from it all without emptying your bank account.
How can I check my flight status to Washington County?
Get useful alerts about your flight status and gate numbers with Trips. Travelocity's handy portal can be found at the top right of our homepage and is the place to view and manage your bookings. Create your account in a matter of seconds and everything will be at your fingertips. Or, download the Travelocity app and look up the details of your flight to Washington County while you're on the move — and even when you're offline. Travelocity's app is the travel companion in your pocket. Whether you'd like to add transportation from your airport or share your travel itinerary with any members of your family flying with you, the app is your one-stop travel shop.
How do I find the best deals on flights to Washington County?
It's always wise to book early, and if you can, avoid traveling during vacation periods. Another smart way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. This lets you compare fares for nearby days. In the last seven days, the lowest price for a return flight to Washington County was $78. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Washington County with Travelocity?
Browse cheap flights to Washington County with Travelocity and begin organizing your next adventure. With round-the-clock customer assistance during every step of your trip and a Price Match Guarantee, we take the bother out of securing cheap family flights, places to stay and more. Nab an awesome deal today and brace yourself for the adventure of a lifetime.
What are the most popular flight routes to Washington County?
If you're planning to book a flight to Washington County, here are some well-known routes to take a look at:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boise Airport (BOI) - 2,881 flights a month.
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Boise Airport (BOI) - 1,343 flights a month.
  • San Francisco, CA (SFO-San Francisco Intl.) to Boise Airport (BOI) - 1,174 flights a month.

How much is a flight to Washington County on average?
Airfares for roundtrip flights to Washington County were priced between $78 and $735 in the last seven days. As soon as you find a good deal, lock it in and get ready for your next big adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Washington County?
To get a feel for the average length of a direct flight to Washington County, take a look at these top routes:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boise Airport (BOI) - 1 hour and 26 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Boise Airport (BOI) - 2 hours and 3 minutes
  • San Francisco, CA (SFO-San Francisco Intl.) to Boise Airport (BOI) - 1 hour and 36 minutes

What can I expect on a flight to Washington County?
That largely depends on where you're leaving from and which airline you go with. You're likely to find all kinds of flights to Washington County, from business class journeys to cheap flights for family vacations. Most airlines on long-haul flights typically provide food and drinks, a variety of entertainment programs as well as games for the youngsters.