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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$57 CHEAP FLIGHTS from Washington to Boise

BOI

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

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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, Mar 26 - Sun, Mar 29

7:31 pm - 10:04 pm

SEA

BOI

1h 33mnonstop

9:00 am - 9:49 am

BOI

SEA

1h 49mnonstop

$97Delta

Tue, Mar 24 - Tue, Mar 31

4:26 pm - 6:25 pm

PUW

BOI

0h 59mnonstop

3:49 pm - 3:49 pm

BOI

PUW

1h 00mnonstop

$97Alaska Airlines

Sat, Apr 11 - Sat, Apr 18

9:29 pm - 11:56 pm

SEA

BOI

1h 27mnonstop

2:38 pm - 4:47 pm

BOI

SEA

3h 09m

1 stop

$104Hawaiian Airlines

Fri, May 1 - Mon, May 4

5:31 pm - 7:30 pm

PUW

BOI

0h 59mnonstop

4:55 pm - 4:54 pm

BOI

PUW

0h 59mnonstop

$107Alaska Airlines

Mon, Apr 6 - Tue, Apr 7

8:27 pm - 10:57 pm

SEA

BOI

1h 30mnonstop

6:00 am - 6:43 am

BOI

SEA

1h 43mnonstop

$111Hawaiian Airlines

Tue, Apr 7 - Thu, Apr 9

8:27 pm - 10:57 pm

SEA

BOI

1h 30mnonstop

6:00 am - 6:43 am

BOI

SEA

1h 43mnonstop

$112Hawaiian Airlines

Tue, Mar 17 - Wed, Mar 18

6:48 pm - 9:15 pm

SEA

BOI

1h 27mnonstop

7:00 am - 7:24 am

BOI

SEA

1h 24mnonstop

$115Alaska Airlines

Sun, Apr 5 - Wed, Apr 8

7:15 am - 9:55 am

SEA

BOI

1h 40mnonstop

10:35 am - 11:20 am

BOI

SEA

1h 45mnonstop

$119Delta

Wed, Mar 18 - Wed, Mar 25

6:20 am - 8:28 am

GEG

BOI

1h 08mnonstop

7:30 am - 7:41 am

BOI

GEG

1h 11mnonstop

$137Alaska Airlines

Mon, Mar 16 - Wed, Mar 18

11:50 am - 10:30 pm

PDX

BOI

9h 40m

2 stops

6:40 am - 2:30 pm

BOI

PDX

8h 50m

1 stop

$175Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$57

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Seattle to Boise

AllieFlew with Alaska Airlines

GEG

BOI

May 2025

If you can, arrive at airport no sooner than 4 hours before flight.

Verified travelerFlew with Alaska Airlines

SEA

BOI

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

Ontario

Everything you need to know for your flight to Boise

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Boise (BOI)

BOI

$57 Find Cheap Flights from Washington to Boise

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

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

Good to know

Flights from Washington to Boise: the best tips from KAYAK users

FAQs for booking flights from Washington to Boise

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.

Traveling to a place near Boise?

Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Cabin class types available on flights to Washington

Complete your trip to Boise with a hotel stay or car rental

Find direct flights for Boise

Flights to other popular destinations

Flights from domestic origins to Boise

Choose which airport to fly into in Boise

Find deals for your return flight