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.

$101 CHEAP FLIGHTS from Washington to Boise

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Flight Deals

Cheap Flights from Washington to Boise

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Boise

Tue, Oct 13 - Tue, Oct 20

5:00 pm - 6:57 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

0h 57mnonstop

4:24 pm - 4:23 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

0h 59mnonstop

$206Alaska Airlines

Wed, Oct 7 - Sat, Oct 10

2:48 pm - 5:07 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 19mnonstop

9:12 am - 9:33 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$207Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

8:59 am - 11:27 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mnonstop

12:08 pm - 1:00 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 52mnonstop

$207Delta

Sat, Oct 3 - Wed, Oct 7

7:15 am - 9:54 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

10:34 am - 11:31 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 57mnonstop

$207Delta

Tue, Oct 13 - Sat, Oct 17

5:54 pm - 8:19 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

1:32 pm - 1:50 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 18mnonstop

$207Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

8:59 am - 11:27 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mnonstop

5:59 pm - 6:41 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mnonstop

$207Delta

Wed, Oct 28 - Sat, Oct 31

6:50 am - 12:50 pmPDX Portland-BOI Boise Air Term. Gowen Fld

5h 00m1 stop San Jose

10:40 am - 2:30 pmBOI Boise Air Term. Gowen Fld-PDX Portland

4h 50m1 stop Oakland

$217Southwest

Wed, Sep 30 - Tue, Oct 6

7:50 am - 3:00 pmPDX Portland-BOI Boise Air Term. Gowen Fld

6h 10m1 stop Oakland

4:40 pm - 11:40 pmBOI Boise Air Term. Gowen Fld-PDX Portland

8h 00m1 stop Phoenix Sky Harbor Intl

$217Southwest

Tue, Sep 29 - Tue, Sep 29

5:30 am - 12:58 pmPDX Portland-BOI Boise Air Term. Gowen Fld

6h 28m1 stop San Francisco

6:50 pm - 10:57 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 07m1 stop San Francisco

$217United Airlines

Tue, Sep 29 - Tue, Sep 29

7:00 am - 12:58 pmPDX Portland-BOI Boise Air Term. Gowen Fld

4h 58m1 stop San Francisco

6:50 pm - 10:57 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 07m1 stop San Francisco

$217United Airlines

Recent last minute flight deals from Washington to Boise

Fri, Sep 4 - Tue, Sep 8

12:25 pm - 6:48 pmPDX Portland-BOI Boise Air Term. Gowen Fld

5h 23m1 stop Seattle/Tacoma Intl

3:28 pm - 8:02 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 34m1 stop Seattle/Tacoma Intl

$278Delta

Sat, Sep 5 - Sun, Sep 6

5:30 am - 11:43 amPDX Portland-BOI Boise Air Term. Gowen Fld

5h 13m1 stop Seattle/Tacoma Intl

3:29 pm - 7:44 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 15m1 stop Seattle/Tacoma Intl

$288Delta

Fri, Sep 4 - Mon, Sep 7

11:22 am - 6:48 pmPDX Portland-BOI Boise Air Term. Gowen Fld

6h 26m1 stop Seattle/Tacoma Intl

10:35 am - 2:45 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 10m1 stop Seattle/Tacoma Intl

$293Delta

Wed, Sep 2 - Mon, Sep 14

3:50 pm - 10:15 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Sacramento Intl

1:55 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

10h 25m2 stops Sacramento Intl Las Vegas Harry Reid Intl

$335Southwest

Wed, Sep 2 - Mon, Sep 14

3:50 pm - 10:15 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Sacramento Intl

7:00 am - 3:00 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

9h 00m1 stop Sacramento Intl

$335Southwest

Wed, Sep 2 - Tue, Sep 8

7:06 pm - 11:29 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

15h 23m1 stop Denver Intl

1:24 pm - 8:40 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

32h 16m2 stops Denver Intl Ontario

$338Frontier

Wed, Sep 2 - Tue, Sep 8

7:06 pm - 11:29 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

15h 23m1 stop Denver Intl

1:24 pm - 3:08 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

26h 44m1 stop Denver Intl

$340Frontier

Wed, Sep 2 - Mon, Sep 14

12:35 pm - 11:20 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

9h 45m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

1:55 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

10h 25m2 stops Sacramento Intl Las Vegas Harry Reid Intl

$340Southwest

Fri, Sep 4 - Sun, Sep 6

11:50 am - 2:22 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 32mnonstop

7:48 pm - 8:22 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 34mnonstop

$517Alaska Airlines

Thu, Sep 3 - Sun, Sep 6

7:18 am - 9:52 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 34mnonstop

6:23 am - 7:02 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$517Alaska Airlines

Recent direct flight deals from Washington to Boise

Tue, Oct 13 - Tue, Oct 20

5:00 pm - 6:57 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

0h 57mnonstop

4:24 pm - 4:23 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

0h 59mnonstop

$206Alaska Airlines

Wed, Oct 14 - Sat, Oct 17

9:57 am - 12:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 38mnonstop

6:43 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 37mnonstop

$207Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

8:59 am - 11:27 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mnonstop

12:08 pm - 1:00 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 52mnonstop

$207Delta

Sat, Oct 3 - Wed, Oct 7

7:15 am - 9:54 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

10:34 am - 11:31 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 57mnonstop

$207Delta

Wed, Sep 30 - Sat, Oct 3

9:55 am - 12:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 40mnonstop

12:58 pm - 1:32 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 34mnonstop

$207Alaska Airlines

Tue, Nov 3 - Tue, Nov 10

5:38 pm - 8:02 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 24mnonstop

10:49 am - 11:28 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$207Alaska Airlines

Sat, Oct 3 - Wed, Oct 7

9:57 am - 12:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 38mnonstop

4:18 pm - 4:56 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 38mnonstop

$207Alaska Airlines

Sat, Oct 3 - Wed, Oct 7

12:48 pm - 3:23 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 35mnonstop

8:22 pm - 8:57 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mnonstop

$207Alaska Airlines

Wed, Oct 7 - Sat, Oct 10

2:48 pm - 5:07 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 19mnonstop

9:12 am - 9:33 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$207Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

5:54 pm - 8:19 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

1:32 pm - 1:50 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 18mnonstop

$207Alaska Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$101

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly with an average 3% increase in price.

Flight from Seattle 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.

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.

McCall

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Boise (BOI)

BOI

$101 Find Cheap Flights from Washington to Boise - Compare and Save

Cheap Flights from Washington to Boise

Recent round-trip flight deals from Washington to Boise

Recent one-way flight deals from Washington to Boise

Recent last minute flight deals from Washington to Boise

Recent direct flight deals from Washington to Boise

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

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Everything you need to know for your flight to Boise

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Complete your trip to Boise with a hotel stay or car rental

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