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Cheap flights from Seattle to Boise from $113

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
9:57 am - 12:35 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 38mnonstop
Alaska Airlines Logo
2:06 pm - 2:41 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 35mnonstop
$211Alaska Airlines
Sat, Oct 24 - Sun, Oct 25
Alaska Airlines Logo
6:30 am - 9:07 amSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 37mnonstop
Alaska Airlines Logo
1:53 pm - 2:31 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 38mnonstop
$222Alaska Airlines
Wed, Nov 4 - Wed, Nov 11
Delta Logo
7:15 am - 9:54 amSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 39mnonstop
Delta Logo
12:08 pm - 1:00 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 52mnonstop
$227Delta
Wed, Oct 28 - Sat, Oct 31
Delta Logo
2:45 pm - 5:16 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 31mnonstop
Delta Logo
5:56 pm - 6:44 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 48mnonstop
$227Delta
Wed, Dec 2 - Sat, Dec 5
Alaska Airlines Logo
5:38 pm - 8:02 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 24mnonstop
Alaska Airlines Logo
6:37 am - 7:20 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 43mnonstop
$227Alaska Airlines
Wed, Nov 11 - Wed, Nov 18
Alaska Airlines Logo
7:50 pm - 10:20 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 30mnonstop
Alaska Airlines Logo
8:12 am - 9:08 amBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 56mnonstop
$227Alaska Airlines
Wed, Nov 18 - Wed, Jan 20
Delta Logo
7:15 am - 9:54 amSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
1h 39mnonstop
Delta Logo
12:08 pm - 1:00 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
1h 52mnonstop
$227Delta
Wed, Oct 28 - Wed, Nov 4
Southwest Logo
5:00 am - 1:00 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
7h 00m1 stop Las Vegas Harry Reid Intl
Southwest Logo
4:45 pm - 9:35 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
5h 50m1 stop Oakland
$247Southwest
Wed, Jan 6 - Wed, Jan 6
Southwest Logo
6:20 am - 2:10 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
6h 50m1 stop Sacramento Intl
Southwest Logo
6:40 pm - 10:20 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
4h 40m1 stop Sacramento Intl
$247Southwest
Sat, Nov 14 - Tue, Nov 17
Southwest Logo
1:00 pm - 9:40 pmSEA  Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld
7h 40m1 stop Phoenix Sky Harbor Intl
Southwest Logo
7:00 am - 12:20 pmBOI  Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl
6h 20m1 stop San Diego
$247Southwest
Wed, Dec 2 - Sat, Dec 5

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Alaska Airlines flights from Seattle to Boise

Our best Alaska Airlines deals on Seattle to Boise flight tickets
Alaska Airlines
Nov 4
SEA6:30 amSeattle/Tacoma Intl
1h 37m
BOI9:07 amBoise Air Term. Gowen Fld
Nov 11
BOI1:53 pmBoise Air Term. Gowen Fld
1h 38m
SEA2:31 pmSeattle/Tacoma Intl
$222
Alaska Airlines
Oct 17
SEA9:57 amSeattle/Tacoma Intl
1h 38m
BOI12:35 pmBoise Air Term. Gowen Fld
Oct 21
BOI8:25 amBoise Air Term. Gowen Fld
1h 42m
SEA9:07 amSeattle/Tacoma Intl
$227
Alaska Airlines
Nov 5
SEA9:24 pmSeattle/Tacoma Intl
1h 25m
BOI11:49 pmBoise Air Term. Gowen Fld
Nov 12
BOI6:37 amBoise Air Term. Gowen Fld
1h 43m
SEA7:20 amSeattle/Tacoma Intl
$239

Delta flights from Seattle to Boise

Our best Delta deals on Seattle to Boise flight tickets
Delta
Nov 7
SEA4:02 pmSeattle/Tacoma Intl
1h 31m
BOI6:33 pmBoise Air Term. Gowen Fld
Nov 8
BOI10:34 amBoise Air Term. Gowen Fld
1h 53m
SEA11:27 amSeattle/Tacoma Intl
$237
Delta
Oct 24
SEA4:02 pmSeattle/Tacoma Intl
1h 31m
BOI6:33 pmBoise Air Term. Gowen Fld
Oct 25
BOI10:34 amBoise Air Term. Gowen Fld
1h 53m
SEA11:27 amSeattle/Tacoma Intl
$238
Delta
Oct 30
SEA4:02 pmSeattle/Tacoma Intl
1h 31m
BOI6:33 pmBoise Air Term. Gowen Fld
Nov 2
BOI12:08 pmBoise Air Term. Gowen Fld
1h 52m
SEA1:00 pmSeattle/Tacoma Intl
$247

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

Sat 10/24

9:57 am-12:35 pm

Nonstop1h 38m

Boise Air Term. Gowen Fld

Sun 10/25

2:06 pm-2:41 pm

Nonstop1h 35m

$211

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 11/4

6:30 am-9:07 am

Nonstop1h 37m

Boise Air Term. Gowen Fld

Wed 11/11

1:53 pm-2:31 pm

Nonstop1h 38m

$222

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 10/28

7:15 am-9:54 am

Nonstop1h 39m

Boise Air Term. Gowen Fld

Sat 10/31

12:08 pm-1:00 pm

Nonstop1h 52m

$227

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 12/2

2:45 pm-5:16 pm

Nonstop1h 31m

Boise Air Term. Gowen Fld

Sat 12/5

5:56 pm-6:44 pm

Nonstop1h 48m

$227
Quickest round-trip

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 11/11

5:38 pm-8:02 pm

Nonstop1h 24m

Boise Air Term. Gowen Fld

Wed 11/18

6:37 am-7:20 am

Nonstop1h 43m

$227

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 11/18

7:50 pm-10:20 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Wed 1/20

8:12 am-9:08 am

Nonstop1h 56m

$227

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 10/28

7:15 am-9:54 am

Nonstop1h 39m

Boise Air Term. Gowen Fld

Wed 11/4

12:08 pm-1:00 pm

Nonstop1h 52m

$227

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 1/6

5:00 am-1:00 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Wed 1/6

4:45 pm-9:35 pm

1 stop5h 50m

$247

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Sat 11/14

6:20 am-2:10 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Tue 11/17

6:40 pm-10:20 pm

1 stop4h 40m

$247

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 12/2

1:00 pm-9:40 pm

1 stop7h 40m

Boise Air Term. Gowen Fld

Sat 12/5

7:00 am-12:20 pm

1 stop6h 20m

$247

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 $187 to $347.
The lowest price recently found on this route was $222.

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 $99. 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 Saturday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $215. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $317. 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 $266 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 $234 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 $140 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 34% 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 September 2026, prices for Seattle to Boise flights are approximately 86% 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

$113

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Seattle in the past 72 hours is $113. The best round-trip flight deal from Seattle to Boise found on momondo in the last 72 hours is $211.
The fastest flight from Seattle to Boise takes 1h 28m
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 28m 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
8,589 reviews
Search Delta flights
Alaska AirlinesPriceFrom $106Free CancellationRating
7.9
12,952 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 23 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Boise starts from $106 round-trip, up to an average price of $282. 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, 8,589 ratings). Delta flies from Seattle to Boise around 31 times per week, with deals starting from $79 round-trip and rising to an average price of around $198.

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.

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