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.

$79 CHEAP FLIGHTS from Washington to Boise

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Cheap Flights from Washington to Boise

Cheap flights from Washington to Boise with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Wed, Oct 28 - Sat, Oct 31

7:17 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

8:25 am - 9:07 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mnonstop

$151Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

9:24 pm - 11:49 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

4:16 pm - 4:57 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$151Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

7:17 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

8:25 am - 9:07 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mnonstop

$152Alaska Airlines

Thu, Nov 5 - Thu, Nov 12

7:35 pm - 10:08 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mnonstop

5:59 pm - 6:46 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 47mnonstop

$157Delta

Thu, Nov 19 - Thu, Dec 3

7:50 pm - 10:26 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 36mnonstop

5:56 pm - 6:44 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 48mnonstop

$157Delta

Thu, Mar 4 - Fri, Mar 5

7:55 pm - 10:20 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

6:00 am - 6:41 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$157Alaska Airlines

Fri, Nov 6 - Sun, Nov 8

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

1h 28mnonstop

7:13 pm - 8:10 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 57mnonstop

$157Delta

Wed, Nov 4 - Wed, Nov 11

7:00 am - 2:15 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 15m1 stop San Diego

5:45 am - 12:10 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 25m1 stop Phoenix Sky Harbor Intl

$177Southwest

Wed, Dec 9 - Wed, Dec 16

7:00 am - 2:15 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 15m1 stop San Diego

12:40 pm - 7:40 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 00m1 stop San Jose

$177Southwest

Wed, Dec 9 - Fri, Dec 18

6:10 am - 3:10 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

8h 00m1 stop Denver Intl

6:10 pm - 1:05 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 55m1 stop Phoenix Sky Harbor Intl

$177Southwest

Mon, Oct 12 - Fri, Oct 16

7:17 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

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

1h 35mnonstop

$415Alaska Airlines

Sat, Oct 10 - Sat, Dec 5

1:00 pm - 9:50 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

7h 50m1 stop Denver Intl

5:30 am - 12:50 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

8h 20m1 stop Phoenix Sky Harbor Intl

$448Southwest

Sun, Oct 11 - Sat, Jan 9

6:20 pm - 1:55 amGEG Spokane-BOI Boise Air Term. Gowen Fld

6h 35m1 stop Phoenix Sky Harbor Intl

3:35 pm - 7:45 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

5h 10m1 stop Sacramento Intl

$448Southwest

Sat, Oct 10 - Sat, Dec 5

7:00 am - 9:08 amGEG Spokane-BOI Boise Air Term. Gowen Fld

1h 08mnonstop

4:20 pm - 6:42 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

3h 22m1 stop Portland

$452Alaska Airlines

Sun, Oct 11 - Sat, Jan 9

5:35 pm - 7:42 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

1h 07mnonstop

8:24 pm - 10:35 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

3h 11m1 stop Portland

$452Alaska Airlines

Sat, Oct 10 - Sat, Dec 5

2:15 pm - 10:40 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

7h 25m1 stop Las Vegas Harry Reid Intl

11:30 am - 8:00 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

9h 30m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$453Southwest

Wed, Oct 14 - Mon, Oct 19

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

$457Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

5:38 pm - 10:08 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

3h 30m1 stop Seattle/Tacoma Intl

8:59 am - 2:50 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

6h 51m1 stop Seattle/Tacoma Intl

$477Delta

Thu, Oct 15 - Mon, Oct 19

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

$507Delta

Wed, Oct 14 - Tue, Oct 20

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

1h 28mnonstop

3:36 pm - 4:24 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 48mnonstop

$507Delta

Wed, Oct 28 - Sat, Oct 31

7:17 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

8:25 am - 9:07 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mnonstop

$151Alaska Airlines

Tue, Nov 3 - Sat, Nov 7

9:24 pm - 11:49 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

4:16 pm - 4:57 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$151Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

7:17 am - 9:56 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mnonstop

8:25 am - 9:07 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mnonstop

$152Alaska Airlines

Sat, Nov 7 - Mon, Nov 9

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

1h 39mnonstop

10:37 am - 11:36 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 59mnonstop

$157Delta

Sat, Nov 14 - Wed, Nov 18

4:05 pm - 6:38 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mnonstop

5:59 pm - 6:46 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 47mnonstop

$157Delta

Mon, Mar 8 - Wed, Mar 10

9:45 pm - 12:11 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

6:00 am - 6:41 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$157Alaska Airlines

Sun, Mar 7 - Tue, Mar 9

9:45 pm - 12:11 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

2:00 pm - 2:33 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 33mnonstop

$157Alaska Airlines

Sun, Mar 7 - Wed, Mar 10

9:45 pm - 12:11 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

6:00 am - 6:41 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$157Alaska Airlines

Tue, Mar 2 - Thu, Mar 4

9:45 pm - 12:11 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mnonstop

9:53 am - 10:26 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 33mnonstop

$157Alaska Airlines

Fri, Mar 5 - Mon, Mar 8

7:55 pm - 10:20 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

6:00 am - 6:41 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$157Alaska Airlines

Low season	January
High season	December
Cheapest flight	$79

Best time to beat the crowds with an average 21% drop in price.

Most popular time to fly with an average 5% 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.