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Cheap flights from Seattle to Boise from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Boise departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Boise (SEA-BOI)

Cheap round-trip flights

Hawaiian Airlines Logo
3:51 pm - 6:16 pmSEA-BOI
1h 25mnonstop
Hawaiian Airlines Logo
8:42 pm - 9:17 pmBOI-SEA
1h 35mnonstop
$125Hawaiian Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Hawaiian Airlines Logo
1:30 pm - 3:54 pmSEA-BOI
1h 24mnonstop
Hawaiian Airlines Logo
8:42 pm - 9:17 pmBOI-SEA
1h 35mnonstop
$126Hawaiian Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Alaska Airlines Logo
3:50 pm - 9:54 pmSEA-BOI
5h 04m1 stop
Alaska Airlines Logo
1:50 pm - 4:57 pmBOI-SEA
4h 07m1 stop
$136Alaska Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 18
Delta Logo
10:40 am - 1:20 pmSEA-BOI
1h 40mnonstop
Delta Logo
4:46 pm - 5:29 pmBOI-SEA
1h 43mnonstop
$137Delta
Find Deal
Wed, Oct 8 - Mon, Oct 13
Delta Logo
7:30 am - 10:10 amSEA-BOI
1h 40mnonstop
Delta Logo
7:45 pm - 8:30 pmBOI-SEA
1h 45mnonstop
$138Delta
Find Deal
Sat, Sep 13 - Sun, Sep 14
Alaska Airlines Logo
2:48 pm - 6:37 pmSEA-BOI
2h 49m1 stop
Alaska Airlines Logo
9:00 am - 9:38 amBOI-SEA
1h 38mnonstop
$147Alaska Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 16
Southwest Logo
4:10 pm - 11:10 pmSEA-BOI
6h 00m1 stop
Southwest Logo
7:45 am - 11:35 amBOI-SEA
4h 50m1 stop
$151Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29
Southwest Logo
6:45 am - 5:20 pmSEA-BOI
9h 35m2 stops
Southwest Logo
7:40 pm - 12:15 amBOI-SEA
5h 35m1 stop
$156Southwest
Find Deal
Wed, Sep 10 - Mon, Sep 15
Logo
2:48 pm - 6:37 pmSEA-BOI
2h 49m1 stop
Logo
6:35 am - 7:14 amBOI-SEA
1h 39mnonstop
$158
Find Deal
Sat, Sep 13 - Sun, Sep 14
Logo
3:50 pm - 9:54 pmSEA-BOI
5h 04m1 stop
Logo
12:28 pm - 7:48 pmBOI-SEA
8h 20m1 stop
$172
Find Deal
Wed, Oct 8 - Sun, Oct 12

Frontier flights from Seattle to Boise

Our best Frontier deals on Seattle to Boise flight tickets
Frontier
Oct 2
SEA6:12 amSeattle/Tacoma Intl
28h 25m
1 stop
BOI11:37 amBoise Air Term. Gowen Fld
Oct 5
BOI12:22 pmBoise Air Term. Gowen Fld
13h 08m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$175
Find similar
Frontier
Sep 3
SEA6:41 amSeattle/Tacoma Intl
27h 56m
1 stop
BOI11:37 amBoise Air Term. Gowen Fld
Sep 7
BOI12:22 pmBoise Air Term. Gowen Fld
13h 08m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$195
Find similar
Frontier
Oct 9
SEA1:02 pmSeattle/Tacoma Intl
21h 41m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
Oct 12
BOI12:28 pmBoise Air Term. Gowen Fld
24h 39m
1 stop
SEA12:07 pmSeattle/Tacoma Intl
$205
Find similar

Hawaiian Airlines flights from Seattle to Boise

Our best Hawaiian Airlines deals on Seattle to Boise flight tickets
Hawaiian Airlines
Sep 13
SEA3:51 pmSeattle/Tacoma Intl
1h 25m
BOI6:16 pmBoise Air Term. Gowen Fld
Sep 14
BOI8:42 pmBoise Air Term. Gowen Fld
1h 35m
SEA9:17 pmSeattle/Tacoma Intl
$125
Find similar
Hawaiian Airlines
Sep 13
SEA1:30 pmSeattle/Tacoma Intl
1h 24m
BOI3:54 pmBoise Air Term. Gowen Fld
Sep 14
BOI8:42 pmBoise Air Term. Gowen Fld
1h 35m
SEA9:17 pmSeattle/Tacoma Intl
$126
Find similar
Hawaiian Airlines
Sep 17
SEA3:42 pmSeattle/Tacoma Intl
5h 15m
1 stop
BOI9:57 pmBoise Air Term. Gowen Fld
Sep 24
BOI5:45 pmBoise Air Term. Gowen Fld
1h 37m
SEA6:22 pmSeattle/Tacoma Intl
$127
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Seattle to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 9/13

3:51 pm-6:16 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Sun 9/14

8:42 pm-9:17 pm

Nonstop1h 35m

$125

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 9/13

1:30 pm-3:54 pm

Nonstop1h 24m

Boise Air Term. Gowen Fld

Sun 9/14

8:42 pm-9:17 pm

Nonstop1h 35m

$126

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 10/8

3:50 pm-9:54 pm

1 stop5h 04m

Boise Air Term. Gowen Fld

Sat 10/18

1:50 pm-4:57 pm

1 stop4h 07m

$136

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 10/8

10:40 am-1:20 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Mon 10/13

4:46 pm-5:29 pm

Nonstop1h 43m

$137

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 9/13

7:30 am-10:10 am

Nonstop1h 40m

Boise Air Term. Gowen Fld

Sun 9/14

7:45 pm-8:30 pm

Nonstop1h 45m

$138

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 9/13

2:48 pm-6:37 pm

1 stop2h 49m

Boise Air Term. Gowen Fld

Tue 9/16

9:00 am-9:38 am

Nonstop1h 38m

$147

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 9/25

4:10 pm-11:10 pm

1 stop6h 00m

Boise Air Term. Gowen Fld

Mon 9/29

7:45 am-11:35 am

1 stop4h 50m

$151

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 9/10

6:45 am-5:20 pm

2 stops9h 35m

Boise Air Term. Gowen Fld

Mon 9/15

7:40 pm-12:15 am

1 stop5h 35m

$156

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 9/13

2:48 pm-6:37 pm

1 stop2h 49m

Boise Air Term. Gowen Fld

Sun 9/14

6:35 am-7:14 am

Nonstop1h 39m

$158

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 10/8

3:50 pm-9:54 pm

1 stop5h 04m

Boise Air Term. Gowen Fld

Sun 10/12

12:28 pm-7:48 pm

1 stop8h 20m

$172

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 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 $186. 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 $197.

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

Our data shows that Thursday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $201. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $279. 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 $210. At noon is when there is more demand to fly to Boise, so prices are often more expensive at around $225 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 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 $212 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 $174 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Boise Air Term. Gowen Fld flights?

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

How have Seattle to Boise flight prices changed over time?

As of August 2025, prices for Seattle to Boise flights are approximately 66% 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

$118

Fastest flight time

1h 24m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Seattle in the past 72 hours is $118. The best round-trip flight deal from Seattle to Boise found on momondo in the last 72 hours is $137.
The fastest flight from Seattle to Boise takes 1h 24m
Direct flights go from Seattle to Boise every day.
There is 1 airport near Boise: Boise Air Term. Gowen Fld (BOI)
Search flight deals

  • 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 24m 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
Hawaiian AirlinesPriceFrom $104Free CancellationRating
7.8
2,672 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $136Free CancellationRating
8.0
10,000 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 54 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Boise starts from $136 round-trip, up to an average price of $231. Our users have rated Alaska Airlines at 8.0/10.

  • Delta Flights From Seattle to Boise

    Another popular option for Seattle to Boise flights is Delta (7.9/10, 7,981 ratings). Delta flies from Seattle to Boise around 29 times per week, with deals starting from $110 round-trip and rising to an average price of around $207.

Traveling to a place near Boise?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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