How does KAYAK find such low prices on flights from Idaho to Seattle?

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 Idaho to Seattle. 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 Idaho to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Idaho 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 Idaho to Seattle?

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 Seattle with an airline and back to Idaho 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 Idaho to Seattle?

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 Seattle from Idaho 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>

$60 CHEAP FLIGHTS from Idaho to Seattle

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Cheap Flights from Idaho to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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 Idaho to Seattle

Sat, Oct 11 - Tue, Oct 14

5:38 pm - 6:15 pmBOI-SEA

1h 37mnonstop

3:50 pm - 9:54 pmSEA-BOI

5h 04m1 stop

$127Hawaiian Airlines

Find Deal

Thu, Oct 9 - Sat, Oct 11

9:00 am - 9:42 amBOI-SEA

1h 42mnonstop

1:21 pm - 3:45 pmSEA-BOI

1h 24mnonstop

$132Alaska Airlines

Find Deal

Sat, Oct 11 - Mon, Oct 13

11:41 am - 12:29 pmBOI-SEA

1h 48mnonstop

8:25 am - 11:01 amSEA-BOI

1h 36mnonstop

$137Delta

Find Deal

Tue, Dec 2 - Thu, Dec 4

5:17 am - 6:19 amBOI-SEA

2h 02mnonstop

10:35 am - 1:14 pmSEA-BOI

1h 39mnonstop

$138Delta

Find Deal

Tue, Oct 14 - Tue, Oct 21

12:50 pm - 7:50 pmBOI-SEA

8h 00m1 stop

12:35 pm - 11:20 pmSEA-BOI

9h 45m1 stop

$142Southwest

Find Deal

Sat, Oct 11 - Tue, Oct 14

2:50 pm - 9:45 pmBOI-SEA

7h 55m1 stop

6:55 am - 6:45 pmSEA-BOI

10h 50m2 stops

$149Southwest

Find Deal

Thu, Oct 9 - Sat, Oct 11

7:05 pm - 12:59 amBOI-SEA

6h 54m1 stop

5:31 pm - 11:44 pmSEA-BOI

5h 13m1 stop

$204United Airlines

Find Deal

Sun, Oct 5 - Tue, Oct 7

12:22 pm - 12:30 amBOI-SEA

13h 08m1 stop

1:21 pm - 3:45 pmSEA-BOI

1h 24mnonstop

$226Multiple Airlines

Find Deal

Thu, Nov 6 - Wed, Nov 12

9:16 pm - 6:32 pmGEG-SEA

21h 16m1 stop

12:58 pm - 11:08 amSEA-GEG

22h 10m1 stop

$255Multiple Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

4:18 pm - 9:34 pmJAC-SEA

6h 16m1 stop

5:05 am - 1:17 pmSEA-JAC

7h 12m1 stop

$346United Airlines

Find Deal

Cheapest round-trip

$127

Overall average: $187

Hawaiian Airlines

Sat 10/11Tue 10/14

BOI - SEA • Non-stop

Cheapest non-stop

$132

Typical prices: $154-350

Alaska Airlines

Thu 10/9Sat 10/11

BOI - SEA • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Seattle!

Useful Info

Low season	January
High season	July
Cheapest flight	$60

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

Most popular time to fly with an average 15% increase in price.

Flight from Boise to Seattle

How does KAYAK find such low prices on flights from Idaho to Seattle?
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 Idaho to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Idaho 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 Idaho to Seattle?
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 Seattle with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Seattle?
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 Seattle from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lynnwood

Centralia

Fife

Westport

Mukilteo

Lakewood

Lacey

Edmonds

Aberdeen

Woodinville

Poulsbo

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

Everything you need to know for your flight to Seattle

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Seattle

Seattle (SEA)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SEA

$60 Find Cheap Flights from Idaho to Seattle

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

Cheap Flights from Idaho to Seattle

Recent round-trip flight deals from Idaho to Seattle

Recent one-way flight deals from Idaho to Seattle

Recent last minute flight deals from Idaho to Seattle

Recent direct flight deals from Idaho to Seattle

Everything you should know

Good to know

FAQs for booking flights from Idaho to Seattle

How does KAYAK find such low prices on flights from Idaho to Seattle?

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 Idaho to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Idaho 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 Idaho to Seattle?

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 Seattle with an airline and back to Idaho with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Seattle?

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 Seattle from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Seattle?

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Cabin class types available on flights to Idaho

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

Find direct flights for Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight