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.

$88 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, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$189Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$192Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$198Alaska Airlines

Wed, Oct 14 - Wed, Oct 28

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

1h 39mnonstop

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

1h 38mnonstop

$200Alaska Airlines

Tue, Sep 22 - Tue, Sep 29

7:59 pm - 10:34 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 35mnonstop

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

1h 42mnonstop

$207Delta

Wed, Oct 7 - Sat, Oct 10

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

1h 39mnonstop

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

1h 48mnonstop

$207Delta

Wed, Sep 23 - Sat, Sep 26

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

1h 36mnonstop

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

1h 42mnonstop

$207JetBlue

Wed, Sep 23 - Sat, Sep 26

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

1h 39mnonstop

12:17 pm - 1:02 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 45mnonstop

$207Delta

Tue, Oct 6 - Wed, Oct 7

5:45 am - 1:45 pmPDX Portland-BOI Boise Air Term. Gowen Fld

7h 00m1 stop Oakland

6:35 am - 11:35 amBOI Boise Air Term. Gowen Fld-PDX Portland

6h 00m1 stop Las Vegas Harry Reid Intl

$217Southwest

Tue, Oct 20 - Sat, Oct 24

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

3h 40m1 stop Sacramento Intl

5:15 pm - 8:40 pmBOI Boise Air Term. Gowen Fld-PDX Portland

4h 25m1 stop Sacramento Intl

$217Southwest

Recent last minute flight deals from Washington to Boise

Mon, Aug 24 - Wed, Aug 26

5:10 pm - 11:35 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Las Vegas Harry Reid Intl

11:40 am - 3:05 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

4h 25m1 stop Oakland

$305Southwest

Tue, Aug 25 - Thu, Aug 27

12:35 pm - 10:25 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

8h 50m1 stop Las Vegas Harry Reid Intl

6:00 am - 11:40 amBOI Boise Air Term. Gowen Fld-GEG Spokane

6h 40m1 stop Las Vegas Harry Reid Intl

$310Southwest

Tue, Aug 25 - Thu, Aug 27

6:15 am - 3:00 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

7h 45m2 stops Las Vegas Harry Reid Intl Oakland

2:55 pm - 10:00 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

8h 05m1 stop Denver Intl

$310Southwest

Mon, Aug 24 - Wed, Aug 26

5:10 pm - 11:35 pmGEG Spokane-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Las Vegas Harry Reid Intl

2:20 pm - 9:40 pmBOI Boise Air Term. Gowen Fld-GEG Spokane

8h 20m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$310Southwest

Wed, Aug 26 - Wed, Sep 2

9:03 am - 11:43 amSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 40mnonstop

10:35 am - 11:28 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 53mnonstop

$439Delta

Mon, Aug 24 - Mon, Aug 31

12:35 pm - 3:18 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 43mnonstop

5:59 pm - 6:37 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 38mnonstop

$439Delta

Mon, Aug 24 - Tue, Sep 1

9:20 pm - 11:53 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mnonstop

3:29 pm - 4:10 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mnonstop

$439Delta

Wed, Aug 26 - Wed, Sep 2

7:50 am - 12:50 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

4h 00m1 stop Spokane

10:00 am - 10:37 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 37mnonstop

$507Alaska Airlines

Mon, Aug 24 - Mon, Aug 31

5:35 pm - 7:58 pmPDX Portland-BOI Boise Air Term. Gowen Fld

1h 23mnonstop

4:28 pm - 4:46 pmBOI Boise Air Term. Gowen Fld-PDX Portland

1h 18mnonstop

$527Alaska Airlines

Wed, Aug 26 - Sun, Aug 30

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

1h 26mnonstop

8:25 pm - 10:39 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

3h 14m1 stop Portland

$537Alaska Airlines

Recent direct flight deals from Washington to Boise

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$189Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$192Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

8:03 am - 8:42 amBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 39mnonstop

$198Alaska Airlines

Wed, Oct 14 - Wed, Oct 28

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

1h 39mnonstop

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

1h 38mnonstop

$200Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mnonstop

4:20 pm - 4:56 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 36mnonstop

$201Alaska Airlines

Tue, Sep 22 - Tue, Sep 29

7:59 pm - 10:34 pmSEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 35mnonstop

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

1h 42mnonstop

$207Delta

Wed, Oct 7 - Sat, Oct 10

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

1h 39mnonstop

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

1h 48mnonstop

$207Delta

Wed, Sep 23 - Sat, Sep 26

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

1h 36mnonstop

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

1h 42mnonstop

$207JetBlue

Wed, Sep 23 - Sat, Sep 26

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

1h 39mnonstop

12:17 pm - 1:02 pmBOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 45mnonstop

$207Delta

Sat, Sep 19 - Wed, Sep 23

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

1h 39mnonstop

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

1h 52mnonstop

$207Delta

Useful Info

Low season	January
High season	October
Cheapest flight	$88

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

Most popular time to fly and prices are also 6% lower on average.

Flight from Portland 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.

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Boise (BOI)

BOI

$88 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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