How many flights depart from Seattle to Boise on average per day?

22 flights are operational daily from Seattle to Boise as of September 2026. The most popular departure time for this route is 19:00, with 47% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld?

Southwest and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld

How many flights depart from Seattle to Boise on average per week?

As of September 2026, 159 flights take off from Seattle and land in Boise each week. The most common flight departure day for this route is Mon, with 30% of weekly flights taking off on this day.

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 are updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 licence, 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.

R1 233 Cheap Flights from Seattle to Boise in 2026/27

Find the cheapest flights from Seattle to Boise

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

7:17 - 9:56SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mdirect

14:06 - 14:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mdirect

R2 872Alaska Airlines

Fri, Oct 16 - Fri, Oct 16

7:17 - 9:56SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mdirect

7:00 - 8:07BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

26h 07m1 stop Sacramento Intl

R3 246Alaska Airlines

Sat, Oct 17 - Wed, Oct 21

7:17 - 9:56SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mdirect

14:06 - 14:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mdirect

R3 522Alaska Airlines

Thu, Oct 22 - Sat, Oct 24

8:25 - 11:01SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 36mdirect

10:38 - 11:32BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 54mdirect

R3 684Delta

Tue, Jan 5 - Sat, Jan 9

21:29 - 23:59SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mdirect

16:47 - 19:00BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

3h 13m1 stop Spokane

R3 733Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

5:35 - 16:00SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

9h 25m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

16:05 - 22:25BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 20m1 stop Las Vegas Harry Reid Intl

R3 765Southwest

Tue, Oct 13 - Sat, Oct 17

15:30 - 22:20SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 50m1 stop Denver Intl

17:35 - 0:55BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 20m1 stop Phoenix Sky Harbor Intl

R3 846Southwest

Wed, Oct 28 - Mon, Nov 2

15:55 - 1:45SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

8h 50m2 stops Sacramento Intl Phoenix Sky Harbor Intl

16:05 - 22:25BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 20m1 stop Las Vegas Harry Reid Intl

R3 927Southwest

Thu, Oct 22 - Sat, Oct 24

6:55 - 13:20SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Oakland

17:35 - 0:55BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 20m1 stop Phoenix Sky Harbor Intl

R4 008Southwest

Fri, Oct 30 - Sun, Nov 1

5:50 - 11:20SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

4h 30m1 stop Sacramento Intl

15:20 - 22:40BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 20m1 stop Denver Intl

R4 057Southwest

Tue, Oct 13 - Tue, Oct 20

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 - 14:15SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 15m1 stop Las Vegas Harry Reid Intl

18:50 - 22:35BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

4h 45m1 stop Oakland

R8 228Southwest

Fri, Sep 18 - Mon, Oct 19

15:25 - 23:40SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 15m2 stops Sacramento Intl Las Vegas Harry Reid Intl

19:45 - 1:00BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

6h 15m1 stop Las Vegas Harry Reid Intl

R8 309Southwest

Fri, Sep 18 - Mon, Oct 19

14:35 - 23:55SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

8h 20m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

13:55 - 18:50BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 55m1 stop Sacramento Intl

R8 634Southwest

Mon, Sep 21 - Mon, Sep 28

11:25 - 22:05SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

9h 40m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

7:45 - 19:35BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

12h 50m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

R8 715Southwest

Sat, Sep 19 - Sat, Sep 26

13:16 - 21:31SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 15m1 stop San Francisco

6:15 - 12:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 05m1 stop San Francisco

R9 039United Airlines

Fri, Sep 18 - Sun, Sep 20

15:30 - 21:31SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

5h 01m1 stop San Francisco

18:50 - 23:26BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 36m1 stop San Francisco

R9 120United Airlines

Fri, Sep 18 - Fri, Sep 25

9:45 - 15:05SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

4h 20m1 stop Sacramento Intl

6:00 - 12:05BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 05m1 stop Phoenix Sky Harbor Intl

R9 364Southwest

Fri, Sep 18 - Sun, Sep 20

12:25 - 20:10SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 45m1 stop Sacramento Intl

15:50 - 0:45BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

9h 55m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

R9 445Southwest

Sun, Sep 20 - Mon, Sep 21

21:29 - 23:58SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 29mdirect

6:45 - 7:35BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 50mdirect

R9 477Delta

Mon, Sep 21 - Thu, Sep 24

14:10 - 23:55SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

8h 45m1 stop Phoenix Sky Harbor Intl

11:30 - 17:35BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

7h 05m1 stop Denver Intl

R9 494Southwest

Mon, Sep 21 - Thu, Sep 24

Cheap direct flights

Enter your travel dates to find the best prices.

7:17 - 9:56SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mdirect

14:06 - 14:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mdirect

R2 872Alaska Airlines

Fri, Oct 16 - Fri, Oct 16

7:17 - 9:56SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 39mdirect

14:06 - 14:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mdirect

R3 522Alaska Airlines

Thu, Oct 22 - Sat, Oct 24

17:40 - 20:06SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 26mdirect

6:43 - 7:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 37mdirect

R3 684Alaska Airlines

Sat, Oct 17 - Wed, Oct 21

9:57 - 12:35SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 38mdirect

12:49 - 13:26BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 37mdirect

R3 765Alaska Airlines

Fri, Oct 30 - Sun, Nov 1

12:47 - 15:20SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mdirect

19:13 - 20:10BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 57mdirect

R3 846Delta

Sat, Oct 17 - Sun, Oct 18

8:59 - 11:27SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

12:08 - 13:00BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 52mdirect

R4 008Delta

Fri, Oct 30 - Sun, Nov 1

6:30 - 9:07SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 37mdirect

6:00 - 6:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 41mdirect

R4 414Alaska Airlines

Thu, Nov 19 - Thu, Dec 3

9:57 - 12:35SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 38mdirect

14:06 - 14:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 35mdirect

R4 495Alaska Airlines

Thu, Oct 22 - Sat, Oct 24

9:57 - 12:35SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 38mdirect

16:18 - 16:56BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 38mdirect

R4 576Alaska Airlines

Tue, Oct 13 - Tue, Oct 13

8:59 - 11:27SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

15:36 - 16:24BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 48mdirect

R4 820Delta

Sat, Oct 10 - Tue, Oct 13

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Alaska Airlines flights from Seattle to Boise

Our best Alaska Airlines deals on Seattle to Boise flight tickets

Alaska Airlines

Oct 16

SEA7:17Seattle/Tacoma Intl

1h 39m

BOI9:56Boise Air Term. Gowen Fld

Oct 16

BOI14:06Boise Air Term. Gowen Fld

1h 35m

SEA14:41Seattle/Tacoma Intl

R2 872

Alaska Airlines

Oct 17

SEA7:17Seattle/Tacoma Intl

1h 39m

BOI9:56Boise Air Term. Gowen Fld

Oct 21

BOI7:00Boise Air Term. Gowen Fld

26h 07m

1 stop

SEA8:07Seattle/Tacoma Intl

R3 246

Alaska Airlines

Oct 22

SEA7:17Seattle/Tacoma Intl

1h 39m

BOI9:56Boise Air Term. Gowen Fld

Oct 24

BOI14:06Boise Air Term. Gowen Fld

1h 35m

SEA14:41Seattle/Tacoma Intl

R3 522

Delta flights from Seattle to Boise

Our best Delta deals on Seattle to Boise flight tickets

Delta

Jan 5

SEA8:25Seattle/Tacoma Intl

1h 36m

BOI11:01Boise Air Term. Gowen Fld

Jan 9

BOI10:38Boise Air Term. Gowen Fld

1h 54m

SEA11:32Seattle/Tacoma Intl

R3 684

Delta

Oct 10

SEA8:59Seattle/Tacoma Intl

1h 28m

BOI11:27Boise Air Term. Gowen Fld

Oct 13

BOI15:36Boise Air Term. Gowen Fld

1h 48m

SEA16:24Seattle/Tacoma Intl

R4 820

Delta

Oct 9

SEA14:45Seattle/Tacoma Intl

1h 29m

BOI17:14Boise Air Term. Gowen Fld

Oct 11

BOI17:59Boise Air Term. Gowen Fld

1h 42m

SEA18:41Seattle/Tacoma Intl

R4 982

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Fri 16/10

7:17-9:56

Nonstop1h 39m

Boise Air Term. Gowen Fld

Fri 16/10

14:06-14:41

Nonstop1h 35m

R2 872

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Sat 17/10

7:17-9:56

Nonstop1h 39m

Boise Air Term. Gowen Fld

Wed 21/10

7:00-8:07

1 stop26h 07m

R3 246

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Thu 22/10

7:17-9:56

Nonstop1h 39m

Boise Air Term. Gowen Fld

Sat 24/10

14:06-14:41

Nonstop1h 35m

R3 522

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Tue 5/1

8:25-11:01

Nonstop1h 36m

Boise Air Term. Gowen Fld

Sat 9/1

10:38-11:32

Nonstop1h 54m

R3 684

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Fri 16/10

21:29-23:59

Nonstop1h 30m

Boise Air Term. Gowen Fld

Mon 19/10

16:47-19:00

1 stop3h 13m

R3 733

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Tue 13/10

5:35-16:00

2 stops9h 25m

Boise Air Term. Gowen Fld

Sat 17/10

16:05-22:25

1 stop7h 20m

R3 765

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 28/10

15:30-22:20

1 stop5h 50m

Boise Air Term. Gowen Fld

Mon 2/11

17:35-0:55

1 stop8h 20m

R3 846

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Thu 22/10

15:55-1:45

2 stops8h 50m

Boise Air Term. Gowen Fld

Sat 24/10

16:05-22:25

1 stop7h 20m

R3 927

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Fri 30/10

6:55-13:20

1 stop5h 25m

Boise Air Term. Gowen Fld

Sun 1/11

17:35-0:55

1 stop8h 20m

R4 008

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Tue 13/10

5:50-11:20

1 stop4h 30m

Boise Air Term. Gowen Fld

Tue 20/10

15:20-22:40

1 stop8h 20m

R4 057

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from R3 522 to R6 280.
The lowest price recently found on this route was R2 872.

What is the cheapest month to fly to Boise?

If you don’t want to visit Boise in January, then you should wait until April to fly from Seattle, when ticket prices are also cheap, with an average price of R2 564.

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 R3 803 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Seattle for as low as R2 321 on momondo.

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 return 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	R1 233
Direct flights	Every day
Airports in Boise	1 airport

The best one-way flight to Boise from Seattle in the past 72 hours is R1 233. The best return flight deal from Seattle to Boise found on momondo in the last 72 hours is R2 872.

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?
The straight-line distance from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld is 651,6 km.
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 are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 licence, 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?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Boise is Boeing 737-800 Passenger/BBJ2 (winglets), representing 56,36% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 10,31%, Boeing 737 at 7,90%, and Boeing 737-700 at 6,19%.

Ontario

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boise from Seattle.

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

Yes. momondo enables you to select and highlight flights to Boise from Seattle with this policy.

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

momondo provides multiple filters to help you find the best flight to Boise from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.