$45 Cheap flights to Washington County

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Cheap flights to Washington County from $45 One Way, $73 Round Trip

$73 return flights and $45 one-way flights to Washington County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 22 - Sun, Oct 25
LAS
Las Vegas
BOI
Boise
$73 Roundtrip, found 3 days ago
$73
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Las Vegas to Boise, returning Sun, Oct 25, priced at $73 found 3 days ago
Mon, Jan 11 - Mon, Jan 18
AZA
Mesa
BOI
Boise
$85 Roundtrip, found 5 days ago
$85
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Mon, Jan 11 from Mesa to Boise, returning Mon, Jan 18, priced at $85 found 5 days ago
Sun, Sep 27 - Mon, Sep 28
SNA
Orange County
BOI
Boise
$135 Roundtrip, found 3 days ago
$135
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Sun, Sep 27 from Orange County to Boise, returning Mon, Sep 28, priced at $135 found 3 days ago
Sat, Sep 5 - Mon, Sep 7
SAN
San Diego
BOI
Boise
$137 Roundtrip, found 3 days ago
$137
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Sep 5 from San Diego to Boise, returning Mon, Sep 7, priced at $137 found 3 days ago
Thu, Aug 20 - Sat, Aug 22
DEN
Denver
BOI
Boise
$155 Roundtrip, found 6 days ago
$155
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Aug 20 from Denver to Boise, returning Sat, Aug 22, priced at $155 found 6 days ago
Sun, Oct 25 - Sat, Oct 31
SEA
Seattle
BOI
Boise
$167 Roundtrip, found 6 days ago
$167
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Oct 25 from Seattle to Boise, returning Sat, Oct 31, priced at $167 found 6 days ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
PHXBoiseAugust 9 to August 11$330
GEGBoiseAugust 8 to August 9$336
SFOBoiseAugust 9 to August 11$356
LAXBoiseAugust 8 to August 10$369
SLCBoiseAugust 9 to August 11$375
SANBoiseAugust 8 to August 11$377
PDXBoiseAugust 8 to August 9$387
DENBoiseAugust 9 to August 13$407
SEABoiseAugust 9 to August 30$412
ONTBoiseAugust 8 to August 11$504
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Washington County Accommodation Deals

Weiser Motel & RV Park

Weiser Motel & RV Park

2.5 out of 5
747 Hillcrest Avenue Weiser ID
The price is $115 total per night from Aug 9 to Aug 10
$115 total
per night
Aug 9 - Aug 10
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
Motel 6 Ontario, OR

Motel 6 Ontario, OR

2 out of 5
275 Ne 12th St Ontario OR
Fully refundableReserve now, pay when you stay
The price is $85 total per night from Sep 6 to Sep 7
$85 total
per night
Sep 6 - Sep 7
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 ...
7.8/10 Good! (1,019 reviews)
"Good"

Reviewed on Aug 6, 2026

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

Birch Glen Hotel

2 out of 5
762 S Main St Cascade ID
The price is $77 total per night from Aug 23 to Aug 24
$77 total
per night
Aug 23 - Aug 24
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 ...
7.4/10 Good! (169 reviews)
"You get what you pay for, so expectations shouldn't be more than what you payed."

Reviewed on Aug 4, 2026

Opens in a new windowBirch Glen Hotel
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Hotel NoBo Cascade, Tapestry Collection by Hilton

Hotel NoBo Cascade, Tapestry Collection by Hilton

3 out of 5
500 N Main St Cascade ID
Fully refundableReserve now, pay when you stay
The price is $154 total per night from Aug 31 to Sep 1
$154 total
per night
Aug 31 - Sep 1
Book a stay at this business-friendly hotel in Cascade. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (813 reviews)
"We love it here and its even better that my dog can stay! Breakfast is good."

Reviewed on Aug 4, 2026

Opens in a new windowHotel NoBo Cascade, Tapestry Collection by Hilton
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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Washington County

Save money on your flights to Washington County as well as on hotel and car packages.

 

Free Fees

Snap up cheap Washington County flights at Orbitz, and pay no booking fees. We also don’t charge fees when your plans change or are cancelled. While you’re there, check out our low fare deals on flights to other locations besides flights to Washington County.

Everyday Is a Great Day to Save Even More

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Mix and Match

At Orbitz, we turned a great idea from the world of fashion into another way for you to save money. When you shop our low cost tickets on flights to any destination, don’t be afraid to mix and match different airlines for maximum savings on your Washington County flights air ticket. Save more on air travel every day in every way at Orbitz.

Frequently asked questions

Which airlines fly to Washington County?
There are 12 air carriers that make the journey to Boise Airport (BOI). With this many to select from, there's a great chance you'll land a cheap flight! Your Washington County adventure awaits with one of these top domestic carriers:

  • Alaska Airlines - 312 flights to Washington County per month
  • Delta - 241 flights to Washington County per month
  • United Airlines - 207 flights to Washington County per month

How much is a flight to Washington County?
Prices for return flights dropped as low as $73 this week to Washington County, and peaked at $504. Several lucky passengers flying out of Las Vegas (LAS) managed to secure one-way tickets starting at just $45.
How to book the cheapest flight to Washington County?
Picking up cheap flights to Washington County is as easy as booking your ticket with Orbitz. But if you're eager to make sure you're getting the best flight deals around, here are some suggestions your wallet will love:

  • Consider taking off from or landing at nearby airports to increase your savings. Enter your preferred departure and arrival airports in the form fields, then select the 'Nearby airports' function below. It will show you any available options.
  • If you're flexible with your travel schedule, click on the 'Show flexible dates' option. It'll bring up flight deals for the days around your chosen departure. Fares often vary depending on what day of the week it is.
  • You can also hit the 'Show options' link to filter results for your preferred carrier, seating class, and nonstop and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you'd prefer to fly.
  • The early bird gets the most impressive deals, so book your tickets the moment you know your travel dates. The most affordable airfares go like hotcakes and prices normally increase as the departure date nears.
  • Save big on your vacation by bundling your hotel, flights and car rental into an Orbitz package deal. Your wallet will thank you.
  • If you can, don't travel during the busy season. Airfares soar during school breaks, summer and other vacation periods like Thanksgiving and Christmas.

What is the best time to book a flight to Washington County?
Pick up a bargain and book your tickets to Washington County in January. If you've missed this month, don't stress. February and August often have affordable airfares as well. Be careful not to snooze on a sale — cheap flights come and go in an instant!
What day of the week is the cheapest to book a flight to Washington County?
When it comes to cheap flights to Washington County, the best days to book are generally Tuesdays, Wednesdays and Saturdays. An unbeatable flight deal is just clicks away with Orbitz.
What is the cheapest day of the week to fly to Washington County?
Based on Orbitz data from 2020, Monday tends to be the best day for cheap flights to Washington County. Tuesday also has wallet-friendly fares, whereas Saturday has the highest ticket prices. Even though leaving at the weekend may be more convenient, you'll have more money in your pocket to play with if you head out at the start of the week.
What is the cheapest month to fly to Washington County?
Consider jetting off sometime in August if you don't want to put a dent in your budget. Orbitz data has found that it's generally the best month for cheap flights to Washington County. June is when airfares really go up.
Which airlines allow free cancellation?
If you're worried your travel plans may change, Orbitz will help you find a flexible fare. All you need to do is select "Filter by flexible change policies" when searching for your flights. We'll show you airlines that include free cancellation within 24 hours and no change fees — along with awesome low prices.
What do I need for the flight to Washington County?
There is so much to plan for any big trip, so it's good to get some help along the way. Here are a few pointers to ensure that you're organized for your flight:

  • Ensure that you have your travel documents and identification. For overseas journeys, you'll need to take your passport. When reserving your seats, always use the same details that are listed on your current ID.
  • A well-packed carry-on bag is just the ticket for a great flight experience. Given your flight to Washington County is no quick hop, take enough snacks and things to keep you happy. A good book or magazine will help pass the time.
  • Both air conditioning and high altitudes can create a chilly environment. No matter what the weather is outside, carry an extra layer with you to keep nice and toasty during your flight.

How do I get cheap first-class/business deals to Washington County?
If you think a business or first-class ticket is out of your reach, think again. Here are just a few tips to help you land a premium flight to Washington County for less:

  • Flexibility is key. By being open to a variety of travel dates, you'll have better odds of landing a great deal on your airfares.
  • Plenty of low-cost airlines offer superb business-class seating that doesn't cost an arm and a leg.
  • Take advantage of your airline's customer loyalty program and use points to upgrade your seat. You can also bid for an upgrade in an online auction if available.

What is the best time to go to Washington County?
Anytime is a great time to vacation in Washington County, though March, June and July are the liveliest months. As with most places in the Northern Hemisphere, summertime starts June 20. If you'd like to hang out in a light shirt than a big winter jacket, this time of the year may be perfect for you. Expect average daytime highs of 85 ºF and nightly lows around 60 ºF.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.