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.

$99 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

Wed, Oct 14 - Wed, Oct 21

5:40 am - 11:20 amGEG Spokane-BOI Boise Air Term. Gowen Fld

4h 40m1 stop Sacramento Intl

7:40 am - 1:15 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

6h 35m1 stop Sacramento Intl

$198Southwest

Tue, Oct 20 - Wed, Oct 21

5:40 am - 11:20 amGEG Spokane-BOI Boise Air Term. Gowen Fld

4h 40m1 stop Sacramento Intl

7:40 am - 1:15 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

6h 35m1 stop Sacramento Intl

$198Southwest

Tue, Oct 20 - Wed, Oct 21

3:25 pm - 10:30 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

6h 05m1 stop Sacramento Intl

6:35 am - 1:15 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

7h 40m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$204Southwest

Sat, Oct 17 - Wed, Oct 21

1:55 pm - 4:07 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

1h 12mnonstop

7:30 am - 7:43 amBOI Boise Air Term. Gowen Fld-GEG Spokane

1h 13mnonstop

$217Alaska Airlines

Fri, Oct 23 - Tue, Oct 27

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

$217Alaska Airlines

Wed, Nov 4 - Wed, Nov 11

6:30 am - 9:07 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 37mnonstop

1:53 pm - 2:31 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 38mnonstop

$222Alaska Airlines

Wed, Oct 28 - Wed, Nov 4

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

1h 39mnonstop

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

1h 52mnonstop

$227Delta

Sat, Oct 17 - 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

$227Delta

Mon, Dec 14 - Tue, Jan 5

1:22 pm - 8:56 pmPDX Portland-BOI Boise Air Term. Gowen Fld

6h 34m1 stop Las Vegas Harry Reid Intl

6:37 am - 11:18 amBOI Boise Air Term. Gowen Fld-PDX Portland

5h 41m1 stop Seattle/Tacoma Intl

$228Multiple Airlines

Sat, Nov 21 - Tue, Nov 24

10:10 pm - 7:00 pmPDX Portland-BOI Boise Air Term. Gowen Fld

19h 50m1 stop Las Vegas Harry Reid Intl

7:55 pm - 9:32 amBOI Boise Air Term. Gowen Fld-PDX Portland

14h 37m1 stop Las Vegas Harry Reid Intl

$241Frontier

Recent last minute flight deals from Washington to Boise

Wed, Sep 23 - Sat, Oct 17

9:45 pm - 1:55 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

15h 10m1 stop Las Vegas Harry Reid Intl

1:32 pm - 3:35 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

3h 03m1 stop Portland

$343Multiple Airlines

Thu, Sep 24 - Sat, Oct 17

9:45 pm - 1:55 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

15h 10m1 stop Las Vegas Harry Reid Intl

5:59 am - 8:25 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

3h 26m1 stop Portland

$343Multiple Airlines

Thu, Sep 24 - Sat, Oct 17

9:45 pm - 1:55 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

15h 10m1 stop Las Vegas Harry Reid Intl

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

1h 35mnonstop

$364Multiple Airlines

Fri, Sep 25 - Sat, Oct 17

8:08 pm - 10:38 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

2:06 pm - 2:41 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mnonstop

$448Alaska Airlines

Thu, Sep 24 - Sat, Oct 17

7:15 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 41mnonstop

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

1h 34mnonstop

$448Alaska Airlines

Sat, Sep 26 - Sat, Oct 17

3:41 pm - 6:07 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

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

1h 38mnonstop

$448Alaska Airlines

Thu, Sep 24 - Tue, Oct 13

12:39 pm - 3:16 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 37mnonstop

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

1h 52mnonstop

$462Delta

Thu, Sep 24 - Thu, Oct 15

12:39 pm - 3:16 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 37mnonstop

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

1h 52mnonstop

$462Delta

Wed, Sep 23 - Wed, Sep 30

3:50 pm - 10:20 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 30m1 stop Sacramento Intl

3:40 pm - 11:00 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

8h 20m1 stop Phoenix Sky Harbor Intl

$477Southwest

Wed, Sep 23 - Wed, Sep 30

12:35 pm - 11:25 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

9h 50m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

3:40 pm - 11:00 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

8h 20m1 stop Phoenix Sky Harbor Intl

$482Southwest

Recent direct flight deals from Washington to Boise

Sat, Oct 17 - Wed, Oct 21

1:55 pm - 4:07 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

1h 12mnonstop

7:30 am - 7:43 amBOI Boise Air Term. Gowen Fld-GEG Spokane

1h 13mnonstop

$217Alaska Airlines

Fri, Oct 23 - Tue, Oct 27

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

$217Alaska Airlines

Wed, Nov 4 - Wed, Nov 11

6:30 am - 9:07 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 37mnonstop

1:53 pm - 2:31 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 38mnonstop

$222Alaska Airlines

Sat, Jan 30 - Mon, Feb 1

10:00 am - 12:08 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

1h 08mnonstop

9:45 pm - 10:03 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

1h 18mnonstop

$222Alaska Airlines

Wed, Oct 28 - Wed, Nov 4

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

1h 39mnonstop

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

1h 52mnonstop

$227Delta

Sat, Oct 17 - 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

$227Delta

Wed, Oct 21 - Tue, Oct 27

10:44 am - 1:10 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

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

1h 18mnonstop

$227Alaska Airlines

Tue, Dec 1 - Wed, Dec 9

5:51 pm - 8:10 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 19mnonstop

1:13 pm - 1:48 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 35mnonstop

$227Alaska Airlines

Tue, Dec 15 - Wed, Jan 6

7:15 am - 9:36 amPDX Portland-BOI Boise Air Term. Gowen Fld

1h 21mnonstop

3:39 pm - 4:03 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 24mnonstop

$227Alaska Airlines

Wed, Dec 9 - Sat, Jan 9

10:47 am - 1:09 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 22mnonstop

8:57 am - 9:27 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 30mnonstop

$227Alaska Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$99

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Spokane 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.