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.

$93 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

Sat, Oct 10 - Sat, Oct 17

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

1h 19mnonstop

5:59 am - 6:20 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$202Alaska Airlines

Tue, Oct 6 - Tue, Oct 13

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

1h 26mnonstop

5:59 am - 6:20 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$207Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

4:02 pm - 6:33 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 31mnonstop

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

1h 57mnonstop

$207Delta

Tue, Oct 13 - Sat, Oct 17

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

1h 28mnonstop

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

1h 57mnonstop

$207Delta

Tue, Oct 13 - Sat, Oct 17

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

1h 26mnonstop

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

1h 21mnonstop

$207Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

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

1h 26mnonstop

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

1h 21mnonstop

$207Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

4:04 pm - 6:40 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 36mnonstop

10:34 am - 11:26 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 52mnonstop

$207Delta

Tue, Oct 6 - Tue, Oct 13

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

5h 00m1 stop San Jose

1:50 pm - 7:20 pmBOI Boise Air Term. Gowen Fld-PDX Portland

6h 30m1 stop San Diego

$217Southwest

Tue, Oct 13 - Tue, Oct 20

6:40 am - 11:20 amPDX Portland-BOI Boise Air Term. Gowen Fld

3h 40m1 stop Sacramento Intl

7:00 am - 1:00 pmBOI Boise Air Term. Gowen Fld-PDX Portland

7h 00m1 stop San Diego

$217Southwest

Wed, Oct 7 - Sat, Oct 10

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

5h 00m1 stop San Jose

1:35 pm - 7:30 pmBOI Boise Air Term. Gowen Fld-PDX Portland

6h 55m1 stop San Diego

$217Southwest

Recent last minute flight deals from Washington to Boise

Mon, Aug 31 - Sat, Sep 5

11:22 am - 5:19 pmPDX Portland-BOI Boise Air Term. Gowen Fld

4h 57m1 stop Seattle/Tacoma Intl

5:59 pm - 10:38 pmBOI Boise Air Term. Gowen Fld-PDX Portland

5h 39m1 stop Seattle/Tacoma Intl

$308Delta

Mon, Aug 31 - Sun, Sep 27

7:06 pm - 12:29 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

16h 23m1 stop Denver Intl

2:50 pm - 6:28 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

28h 38m1 stop Las Vegas Harry Reid Intl

$315Frontier

Sat, Aug 29 - Sun, Aug 30

9:45 am - 4:22 pmPDX Portland-BOI Boise Air Term. Gowen Fld

5h 37m1 stop Salt Lake City

8:45 am - 12:10 pmBOI Boise Air Term. Gowen Fld-PDX Portland

4h 25m1 stop Salt Lake City

$318Delta

Fri, Aug 28 - Sun, Aug 30

1:10 pm - 7:10 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 00m1 stop Oakland

6:30 am - 11:25 amBOI Boise Air Term. Gowen Fld-GEG Spokane

5h 55m1 stop Las Vegas Harry Reid Intl

$322Southwest

Fri, Aug 28 - Mon, Aug 31

5:54 pm - 11:53 pmPDX Portland-BOI Boise Air Term. Gowen Fld

4h 59m1 stop Seattle/Tacoma Intl

6:49 am - 10:42 amBOI Boise Air Term. Gowen Fld-PDX Portland

4h 53m1 stop Seattle/Tacoma Intl

$333Delta

Mon, Aug 31 - Mon, Sep 7

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

6h 26m1 stop Seattle/Tacoma Intl

6:00 am - 8:37 amBOI Boise Air Term. Gowen Fld-PDX Portland

3h 37m1 stop Salt Lake City

$333Delta

Mon, Aug 31 - Sun, Sep 27

7:06 pm - 12:29 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

16h 23m1 stop Denver Intl

5:52 pm - 6:33 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$334Multiple Airlines

Tue, Sep 1 - Tue, Sep 29

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

1h 26mnonstop

7:20 am - 12:39 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

6h 19m1 stop San Diego

$440Alaska Airlines

Tue, Sep 1 - Mon, Sep 7

4:32 pm - 10:25 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

4h 53m1 stop San Jose

1:15 pm - 1:49 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 34mnonstop

$487Alaska Airlines

Sat, Aug 29 - Mon, Aug 31

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

1h 32mnonstop

2:17 pm - 2:53 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 36mnonstop

$497Alaska Airlines

Recent direct flight deals from Washington to Boise

Sat, Oct 10 - Sat, Oct 17

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

1h 19mnonstop

5:59 am - 6:20 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$202Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

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

1h 26mnonstop

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

1h 21mnonstop

$207Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

4:02 pm - 6:33 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 31mnonstop

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

1h 57mnonstop

$207Delta

Tue, Oct 13 - Sat, Oct 17

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

1h 28mnonstop

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

1h 57mnonstop

$207Delta

Tue, Oct 13 - Sat, Oct 17

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

1h 26mnonstop

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

1h 21mnonstop

$207Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

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

1h 26mnonstop

8:23 pm - 8:50 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 27mnonstop

$207Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

4:04 pm - 6:40 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 36mnonstop

10:34 am - 11:26 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 52mnonstop

$207Delta

Tue, Oct 20 - Sat, Oct 24

4:02 pm - 6:33 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 31mnonstop

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

1h 48mnonstop

$207Delta

Tue, Oct 6 - Tue, Oct 13

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

1h 26mnonstop

5:59 am - 6:20 amBOI Boise Air Term. Gowen Fld-PDX Portland

1h 21mnonstop

$207Alaska Airlines

Fri, Nov 13 - Sun, Nov 15

7:15 am - 9:57 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 42mnonstop

5:55 pm - 6:42 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 47mnonstop

$227JetBlue

Useful Info

Low season	January
High season	October
Cheapest flight	$93

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

Most popular time to fly and prices are also 5% lower on average.

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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Everything you need to know for your flight to Boise

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Boise (BOI)

BOI

$93 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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