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Cheap flights from Seattle to Boise from $114

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:23 pm - 11:46 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 23mnonstop
Alaska Airlines Logo
8:12 am - 9:08 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 56mnonstop
$201Alaska Airlines
Tue, Feb 2 - Tue, Feb 9
Alaska Airlines Logo
7:50 pm - 10:12 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 22mnonstop
Alaska Airlines Logo
9:59 pm - 10:55 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 56mnonstop
$205Alaska Airlines
Sat, Nov 21 - Sat, Nov 28
Delta Logo
5:45 pm - 8:17 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 32mnonstop
Delta Logo
8:40 am - 9:37 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 57mnonstop
$207Delta
Sat, Jan 16 - Tue, Jan 19
Delta Logo
1:30 pm - 4:05 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 35mnonstop
Delta Logo
5:59 pm - 6:46 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 47mnonstop
$207Delta
Sat, Nov 21 - Sat, Nov 28
Alaska Airlines Logo
11:51 am - 2:19 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 28mnonstop
Alaska Airlines Logo
2:12 pm - 2:55 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 43mnonstop
$207Alaska Airlines
Sat, Dec 12 - Sat, Dec 19
Alaska Airlines Logo
7:15 am - 9:44 amSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 29mnonstop
Alaska Airlines Logo
6:31 am - 7:20 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 49mnonstop
$207Alaska Airlines
Wed, Dec 23 - Sat, Dec 26
Delta Logo
1:30 pm - 4:04 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 34mnonstop
Delta Logo
6:35 am - 7:36 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
2h 01mnonstop
$207Delta
Wed, Dec 9 - Tue, Dec 15
Southwest Logo
6:05 am - 1:15 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
6h 10m1 stop Phoenix Sky Harbor Intl
Southwest Logo
2:25 pm - 9:30 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
8h 05m1 stop Phoenix Sky Harbor Intl
$227Southwest
Sat, Jan 16 - Tue, Jan 19
Southwest Logo
2:05 pm - 10:10 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
7h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
11:55 am - 5:40 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
6h 45m1 stop Denver Intl
$227Southwest
Tue, Jan 19 - Tue, Jan 26
Southwest Logo
7:00 am - 2:15 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
6h 15m1 stop San Diego
Southwest Logo
12:40 pm - 7:40 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
8h 00m1 stop San Jose
$227Southwest
Wed, Dec 9 - Wed, Dec 16

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Frontier flights from Seattle to Boise

Our best Frontier deals on Seattle to Boise flight tickets
Frontier
Nov 20
SEA9:53 pmSeattle/Tacoma Intl
20h 07m
1 stop
BOI7:00 pmBoise Air Term. Gowen Fld
Nov 24
BOI7:55 pmBoise Air Term. Gowen Fld
17h 42m
1 stop
SEA12:37 pmSeattle/Tacoma Intl
$235
Frontier
Nov 18
SEA4:27 pmSeattle/Tacoma Intl
20h 27m
2 stops
BOI1:54 pmBoise Air Term. Gowen Fld
Nov 25
BOI7:55 pmBoise Air Term. Gowen Fld
17h 42m
1 stop
SEA12:37 pmSeattle/Tacoma Intl
$261
Frontier
Nov 17
SEA7:48 pmSeattle/Tacoma Intl
41h 06m
2 stops
BOI1:54 pmBoise Air Term. Gowen Fld
Nov 22
BOI7:55 pmBoise Air Term. Gowen Fld
17h 42m
1 stop
SEA12:37 pmSeattle/Tacoma Intl
$280

Southwest flights from Seattle to Boise

Our best Southwest deals on Seattle to Boise flight tickets
Southwest
Dec 9
SEA5:15 amSeattle/Tacoma Intl
6h 10m
1 stop
BOI12:25 pmBoise Air Term. Gowen Fld
Dec 16
BOI12:40 pmBoise Air Term. Gowen Fld
10h 40m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$232
Southwest
Dec 2
SEA11:35 amSeattle/Tacoma Intl
9h 05m
2 stops
BOI9:40 pmBoise Air Term. Gowen Fld
Dec 11
BOI3:55 pmBoise Air Term. Gowen Fld
8h 10m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
$242
Southwest
Dec 18
SEA8:30 amSeattle/Tacoma Intl
10h 40m
1 stop
BOI8:10 pmBoise Air Term. Gowen Fld
Dec 21
BOI6:50 pmBoise Air Term. Gowen Fld
7h 55m
1 stop
SEA1:45 amSeattle/Tacoma Intl
$252

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Boise that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Tue 2/2

9:23 pm-11:46 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Tue 2/9

8:12 am-9:08 am

Nonstop1h 56m

$201

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Sat 11/21

7:50 pm-10:12 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Sat 11/28

9:59 pm-10:55 pm

Nonstop1h 56m

$205

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Sat 1/16

5:45 pm-8:17 pm

Nonstop1h 32m

Boise Air Term. Gowen Fld

Tue 1/19

8:40 am-9:37 am

Nonstop1h 57m

$207

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Sat 11/21

1:30 pm-4:05 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Sat 11/28

5:59 pm-6:46 pm

Nonstop1h 47m

$207
Quickest round-trip

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Sat 12/12

11:51 am-2:19 pm

Nonstop1h 28m

Boise Air Term. Gowen Fld

Sat 12/19

2:12 pm-2:55 pm

Nonstop1h 43m

$207

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Wed 12/23

7:15 am-9:44 am

Nonstop1h 29m

Boise Air Term. Gowen Fld

Sat 12/26

6:31 am-7:20 am

Nonstop1h 49m

$207

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Wed 12/9

1:30 pm-4:04 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

Tue 12/15

6:35 am-7:36 am

Nonstop2h 01m

$207

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Sat 1/16

6:05 am-1:15 pm

1 stop6h 10m

Boise Air Term. Gowen Fld

Tue 1/19

2:25 pm-9:30 pm

1 stop8h 05m

$227

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Tue 1/19

2:05 pm-10:10 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Tue 1/26

11:55 am-5:40 pm

1 stop6h 45m

$227

SeattleBoise

SEA Seattle/Tacoma Intl - BOI Boise Air Term. Gowen Fld

SEABOI

Seattle/Tacoma Intl

Wed 12/9

7:00 am-2:15 pm

1 stop6h 15m

Boise Air Term. Gowen Fld

Wed 12/16

12:40 pm-7:40 pm

1 stop8h 00m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boise from

How to get the cheapest flight ticket from Seattle to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Boise?

Prices are currently typical for flights on this route.

Typical prices usually range from $180 to $371.
The lowest price recently found on this route was $201.

What is the cheapest month to fly to Boise?

The month of January is, on average, the cheapest month to fly to Boise from Seattle, with most prices found around $116. If you aren’t able to travel during the month of January, then book flights to Boise from Seattle during April instead. Flights to Boise in April, while not as cheap as those in January, still average around $158.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Friday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $226. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $337. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Seattle to Boise flights are usually those with departure times in the afternoon. Our users have found flights to Boise in the afternoon for as low as $221. In the morning is when there is more demand to fly to Boise, so prices are often more expensive at around $281 per ticket.

What is the cheapest Seattle/Tacoma Intl to Boise Air Term. Gowen Fld flight route?

Fly from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld for the best Seattle/Tacoma Intl - Boise Air Term. Gowen Fld flight prices

How far in advance should I book a flight from Seattle to Boise?

You are more likely to see cheaper flights to Boise from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Seattle for as low as $170 on momondo.

What cabin class options are available on Seattle to Boise flights?

There are 4 cabin classes available to choose from on Seattle to Boise flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Boise flights?

You could potentially save up to 46% on your flight if you consider stops on a Seattle to Boise flight.

How have Seattle to Boise flight prices changed over time?

As of October 2026, prices for Seattle to Boise flights are approximately 52% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Boise (SEA to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Boise

Best Price Found

$114

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Seattle in the past 72 hours is $114. The best round-trip flight deal from Seattle to Boise found on momondo in the last 72 hours is $201.
The fastest flight from Seattle to Boise takes 1h 27m
Direct flights go from Seattle to Boise every day.
There is 1 airport in Boise. From Seattle there are direct flights to Boise Air Term. Gowen Fld (BOI).
Search flight deals

Frequently asked questions about flying from Seattle to Boise

  • How far is Seattle/Tacoma Intl to Boise Air Term. Gowen Fld by plane?

    Seattle/Tacoma Intl and Boise Air Term. Gowen Fld are 404.9 mi apart from one another. 1h 27m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents required for your trip to Boise Air Term. Gowen Fld Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boise Air Term. Gowen Fld Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Boise?

  • What is the most popular airline from Seattle to Boise?

Best airlines flying from Seattle to Boise

Compare and see reviews for airlines that fly from Seattle to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $79Free CancellationRating
7.8
8,654 reviews
Search Delta flights
Alaska AirlinesPriceFrom $101Free CancellationRating
7.9
13,101 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Boise

    Alaska Airlines is one of the most popular airlines flying from Seattle to Boise, operating 16 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Boise starts from $101 round-trip, up to an average price of $294. Our users have rated Alaska Airlines at 7.9/10.

  • Delta Flights From Seattle to Boise

    Another popular option for Seattle to Boise flights is Delta (7.8/10, 8,654 ratings). Delta flies from Seattle to Boise around 9 times per week, with deals starting from $79 round-trip and rising to an average price of around $205.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
Caldwell
McCall
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Boise?

Finding the right flight to Boise from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

Can I find flights from Seattle to Boise with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boise from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Boise?

Once all potential Seattle to Boise flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Boise right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boise from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Boise trip

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