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.

$103 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

Thu, Dec 3 - Mon, Dec 7

9:33 am - 5:16 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

6h 43m1 stop Seattle/Tacoma Intl

12:20 pm - 4:57 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

5h 37m1 stop Seattle/Tacoma Intl

$187Delta

Thu, Dec 10 - Wed, Dec 16

9:33 am - 5:16 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

6h 43m1 stop Seattle/Tacoma Intl

8:59 am - 2:46 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

6h 47m1 stop Seattle/Tacoma Intl

$187Delta

Fri, Dec 4 - Sun, Dec 6

1:00 pm - 6:38 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

4h 38m1 stop Seattle/Tacoma Intl

3:44 pm - 6:59 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

4h 15m1 stop Seattle/Tacoma Intl

$187Delta

Sat, Dec 5 - Sat, Dec 12

9:33 am - 3:25 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

4h 52m1 stop Seattle/Tacoma Intl

6:35 am - 10:40 amBOI Boise Air Term. Gowen Fld-GEG Spokane

5h 05m1 stop Seattle/Tacoma Intl

$187Delta

Sat, Dec 19 - Sat, Dec 26

1:03 pm - 3:27 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 24mnonstop

6:31 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mnonstop

$190Alaska Airlines

Wed, Dec 23 - Tue, Dec 29

3:38 pm - 5:40 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

1h 02mnonstop

2:58 pm - 3:01 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

1h 03mnonstop

$197Alaska Airlines

Wed, Dec 23 - Wed, Dec 30

3:38 pm - 5:40 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

1h 02mnonstop

2:58 pm - 3:01 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

1h 03mnonstop

$197Alaska Airlines

Sun, Jan 10 - Wed, Jan 13

11:53 am - 6:52 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 59m1 stop Las Vegas Harry Reid Intl

1:15 pm - 6:43 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

6h 28m1 stop Portland

$218Multiple Airlines

Sun, Jan 10 - Tue, Jan 12

11:53 am - 6:52 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 59m1 stop Las Vegas Harry Reid Intl

3:29 pm - 6:43 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

4h 14m1 stop Portland

$218Multiple Airlines

Wed, Dec 9 - Tue, Dec 15

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

6h 15m1 stop San Diego

6:40 pm - 10:20 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

4h 40m1 stop Sacramento Intl

$237Southwest

Recent last minute flight deals from Washington to Boise

Fri, Nov 13 - Fri, Dec 11

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

1h 36mnonstop

10:37 am - 11:34 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 57mnonstop

$417Delta

Fri, Nov 13 - Fri, Dec 11

3:35 pm - 11:33 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 58m1 stop San Francisco

4:24 pm - 8:47 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 23m1 stop San Francisco

$432United Airlines

Fri, Nov 13 - Fri, Dec 11

3:40 pm - 6:03 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 23mnonstop

5:47 am - 8:35 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

3h 48m1 stop Portland

$452Alaska Airlines

Fri, Nov 13 - Tue, Dec 15

1:17 pm - 7:17 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 00m1 stop Spokane

5:47 am - 9:33 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

4h 46m1 stop Portland

$492Alaska Airlines

Sun, Nov 15 - Sat, Nov 21

7:15 pm - 12:10 amGEG Spokane-BOI Boise Air Term. Gowen Fld

3h 55m1 stop Salt Lake City

12:13 pm - 5:01 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

5h 48m1 stop Seattle/Tacoma Intl

$507Delta

Sun, Nov 15 - Sun, Nov 22

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

$507Delta

Sun, Nov 15 - Sat, Nov 21

5:50 pm - 11:55 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 05m1 stop Sacramento Intl

5:25 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

7h 30m2 stops Phoenix Sky Harbor Intl Sacramento Intl

$512Southwest

Fri, Nov 13 - Tue, Dec 15

1:59 pm - 10:58 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 59m1 stop Los Angeles

4:10 pm - 4:54 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 44mnonstop

$512Alaska Airlines

Fri, Nov 13 - Fri, Dec 11

10:45 am - 11:55 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

12h 10m2 stops Phoenix Sky Harbor Intl Sacramento Intl

10:15 am - 3:05 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 50m1 stop San Jose

$517Southwest

Sun, Nov 15 - Sun, Nov 22

9:02 am - 11:33 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 31mnonstop

3:38 pm - 4:25 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 47mnonstop

$517Delta

Recent direct flight deals from Washington to Boise

Sat, Dec 19 - Sat, Dec 26

1:03 pm - 3:27 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 24mnonstop

6:31 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mnonstop

$190Alaska Airlines

Wed, Dec 23 - Tue, Dec 29

3:38 pm - 5:40 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

1h 02mnonstop

2:58 pm - 3:01 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

1h 03mnonstop

$197Alaska Airlines

Wed, Dec 23 - Wed, Dec 30

3:38 pm - 5:40 pmPUW Pullman Moscow Regional-BOI Boise Air Term. Gowen Fld

1h 02mnonstop

2:58 pm - 3:01 pmBOI Boise Air Term. Gowen Fld-PUW Pullman Moscow Regional

1h 03mnonstop

$197Alaska Airlines

Tue, Dec 22 - Tue, Dec 29

5:41 pm - 8:06 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

6:00 pm - 6:51 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 51mnonstop

$201Alaska Airlines

Sat, Dec 19 - Sat, Dec 26

1:03 pm - 3:27 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 24mnonstop

6:31 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mnonstop

$206Alaska Airlines

Tue, Dec 29 - Sat, Jan 2

5:41 pm - 8:06 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 25mnonstop

6:31 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mnonstop

$207Alaska Airlines

Sat, Dec 12 - Sat, Jan 2

7:00 am - 9:30 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

6:31 am - 7:20 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mnonstop

$207Alaska Airlines

Sat, Dec 5 - Sat, Dec 12

9:30 pm - 11:59 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 29mnonstop

12:56 pm - 1:37 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$207Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

10:35 am - 1:10 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 35mnonstop

5:30 pm - 6:18 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 48mnonstop

$217Delta

Sat, Dec 26 - Sat, Jan 2

5:44 pm - 8:17 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mnonstop

6:15 am - 7:14 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 59mnonstop

$217Delta

Useful Info

Low season	January
High season	December
Cheapest flight	$103

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 4% 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.