BOI

$105 Find Cheap Flights from Washington to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Washington to Boise

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington to Boise

Wed, Dec 9 - Wed, Dec 16
Alaska Airlines Logo
4:21 pm - 6:21 pmPUW  Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld
1h 00mnonstop
Alaska Airlines Logo
3:40 pm - 3:44 pmBOI  Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional
1h 04mnonstop
$197Alaska Airlines
Wed, Nov 25 - Tue, Dec 1
Alaska Airlines Logo
5:32 pm - 7:31 pmPUW  Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld
0h 59mnonstop
Alaska Airlines Logo
3:40 pm - 3:44 pmBOI  Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional
1h 04mnonstop
$197Alaska Airlines
Sat, Jan 16 - Tue, Jan 19
Alaska Airlines Logo
9:54 am - 12:24 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 30mnonstop
Alaska Airlines Logo
8:12 am - 9:08 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 56mnonstop
$201Alaska Airlines
Wed, Jan 27 - Wed, Feb 3
Alaska Airlines Logo
9:54 am - 12:24 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 30mnonstop
Alaska Airlines Logo
6:37 am - 7:25 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 48mnonstop
$201Alaska Airlines
Wed, Nov 25 - Wed, Dec 2
Delta Logo
7:50 pm - 10:26 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 36mnonstop
Delta Logo
12:20 pm - 1:14 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 54mnonstop
$207Delta
Sat, Feb 13 - Tue, Feb 16
Delta Logo
5:45 pm - 8:17 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 32mnonstop
Delta Logo
2:35 pm - 3:25 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 50mnonstop
$207Delta
Wed, Dec 23 - Sat, Dec 26
Delta Logo
8:39 am - 11:13 amSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 34mnonstop
Delta Logo
2:10 pm - 3:00 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 50mnonstop
$207Delta
Thu, Dec 3 - Sun, Dec 6
Frontier Logo
9:07 pm - 7:01 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
20h 54m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:15 pm - 12:16 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
19h 01m1 stop Las Vegas Harry Reid Intl
$213Frontier
Thu, Jan 28 - Thu, Feb 4
Frontier Logo
6:33 pm - 6:58 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
23h 25m1 stop Las Vegas Harry Reid Intl
Frontier Logo
7:53 pm - 5:18 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
22h 25m1 stop Las Vegas Harry Reid Intl
$215Frontier
Tue, Nov 17 - Tue, Nov 24
Frontier Logo
7:48 pm - 1:54 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
41h 06m2 stops Los Angeles Las Vegas Harry Reid Intl
Frontier Logo
7:55 pm - 12:37 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
17h 42m1 stop Las Vegas Harry Reid Intl
$219Frontier
Useful Info

Good to know

Low season

January

Cheapest flight

$105
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Seattle to Boise

Flights from Washington to Boise: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Washington to Boise 
AllieFlew with Alaska Airlines-May 2025
If you can, arrive at airport no sooner than 4 hours before flight.
Verified travelerFlew with Alaska Airlines-Feb 2024
Keep an eye on boarding time. At SEATAC, if you are not sitting at your exact gate, you cannot hear boarding announcements.

FAQs for booking flights from Washington to Boise

  • How does KAYAK find such low prices on flights from Washington to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
McCall
Ontario

More options for your flight to Boise