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

As of October 2026, 87 flights take off from Seattle and land in Boise each week. The most common flight departure day for this route is Wed, with 40% of weekly flights taking off on this day.

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

Southwest, United Airlines, and Delta 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 day?

12 flights are operational daily from Seattle to Boise as of October 2026. The most popular departure time for this route is 19:00, with 40% of flights per day taking off in the evening.

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 895 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.

8:39 - 11:13SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 34mdirect

18:09 - 19:05BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 56mdirect

R3 441Delta

Wed, Dec 23 - Sat, Dec 26

19:50 - 22:18SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

19:00 - 19:49BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mdirect

R3 607Alaska Airlines

Fri, Jan 1 - Tue, Jan 5

8:47 - 13:17SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

3h 30m1 stop Portland

15:39 - 20:30BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 51m1 stop Portland

R3 673Alaska Airlines

Wed, Jan 6 - Wed, Jan 6

7:00 - 9:30SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mdirect

16:47 - 10:27BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

18h 40m1 stop San Diego

R3 690Alaska Airlines

Sat, Dec 5 - Mon, Dec 7

11:51 - 14:19SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

16:47 - 9:32BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

17h 45m1 stop San Diego

R3 740Alaska Airlines

Tue, Dec 1 - Fri, Dec 4

19:50 - 22:18SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

6:31 - 7:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mdirect

R3 773Alaska Airlines

Thu, Dec 17 - Fri, Jan 1

13:00 - 21:40SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Phoenix Sky Harbor Intl

7:00 - 12:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

6h 20m1 stop San Diego

R3 806Southwest

Mon, Dec 7 - Sat, Dec 12

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

6h 15m1 stop San Diego

12:40 - 19:40BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 00m1 stop San Jose

R3 840Southwest

Thu, Dec 3 - Mon, Dec 7

15:00 - 22:27SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 27m1 stop San Diego

8:21 - 9:16BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 55mdirect

R3 856Alaska Airlines

Wed, Dec 16 - Fri, Jan 1

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

6h 15m1 stop San Diego

12:40 - 22:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

10h 40m2 stops San Jose Las Vegas Harry Reid Intl

R3 890Southwest

Mon, Dec 7 - Tue, Dec 15

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:10 - 17:00SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

4h 50m1 stop Sacramento Intl

20:30 - 1:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 50m1 stop Las Vegas Harry Reid Intl

R6 881Southwest

Thu, Nov 5 - Mon, Nov 23

11:10 - 19:50SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 40m2 stops Sacramento Intl Las Vegas Harry Reid Intl

20:30 - 1:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

5h 50m1 stop Las Vegas Harry Reid Intl

R6 965Southwest

Thu, Nov 5 - Mon, Nov 23

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

1h 33mdirect

15:38 - 16:31BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 53mdirect

R8 012Delta

Thu, Nov 5 - Mon, Nov 23

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

1h 33mdirect

17:59 - 18:46BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 47mdirect

R8 344Delta

Wed, Nov 4 - Thu, Nov 12

19:35 - 22:08SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mdirect

17:59 - 18:41BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mdirect

R8 577Delta

Tue, Nov 3 - Fri, Nov 6

11:10 - 19:50SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

7h 40m2 stops Sacramento Intl Las Vegas Harry Reid Intl

5:35 - 15:05BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

10h 30m2 stops Las Vegas Harry Reid Intl San Jose

R8 743Southwest

Thu, Nov 5 - Mon, Nov 23

19:35 - 22:08SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 33mdirect

8:55 - 9:59BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

2h 04mdirect

R8 760Delta

Wed, Nov 4 - Wed, Nov 11

15:40 - 18:03SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 23mdirect

10:14 - 8:34BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

23h 20m1 stop San Jose

R8 776Alaska Airlines

Thu, Nov 5 - Mon, Nov 23

5:15 - 12:25SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 10m1 stop Sacramento Intl

11:40 - 19:05BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

8h 25m1 stop Phoenix Sky Harbor Intl

R9 092Southwest

Tue, Nov 3 - Tue, Nov 10

5:15 - 12:25SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

6h 10m1 stop Sacramento Intl

11:25 - 19:40BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

9h 15m2 stops Las Vegas Harry Reid Intl San Jose

R9 175Southwest

Tue, Nov 3 - Tue, Nov 10

Cheap direct flights

Enter your travel dates to find the best prices.

8:39 - 11:13SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 34mdirect

18:09 - 19:05BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 56mdirect

R3 441Delta

Wed, Dec 23 - Sat, Dec 26

19:50 - 22:18SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

19:00 - 19:49BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mdirect

R3 607Alaska Airlines

Fri, Jan 1 - Tue, Jan 5

19:50 - 22:18SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 28mdirect

6:31 - 7:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mdirect

R3 773Alaska Airlines

Thu, Dec 17 - Fri, Jan 1

7:15 - 9:44SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 29mdirect

6:31 - 7:20BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 49mdirect

R4 039Alaska Airlines

Wed, Dec 23 - Sun, Dec 27

7:15 - 9:57SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 42mdirect

19:18 - 20:12BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 54mdirect

R4 205Delta

Sat, Nov 28 - Sun, Nov 29

13:59 - 16:20SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 21mdirect

17:58 - 18:40BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 42mdirect

R4 355Alaska Airlines

Wed, Jan 6 - Wed, Jan 6

7:15 - 9:44SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 29mdirect

14:12 - 14:55BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 43mdirect

R4 438Alaska Airlines

Wed, Dec 23 - Wed, Dec 23

21:30 - 23:59SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 29mdirect

18:00 - 18:50BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 50mdirect

R4 604Alaska Airlines

Tue, Dec 1 - Fri, Dec 4

23:01 - 1:28SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 27mdirect

17:00 - 17:43BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 43mdirect

R4 687Alaska Airlines

Sun, Nov 29 - Thu, Dec 17

7:00 - 9:30SEA Seattle/Tacoma Intl-BOI Boise Air Term. Gowen Fld

1h 30mdirect

14:12 - 14:55BOI Boise Air Term. Gowen Fld-SEA Seattle/Tacoma Intl

1h 43mdirect

R4 770Alaska Airlines

Sun, Dec 13 - Fri, Dec 18

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Delta flights from Seattle to Boise

Our best Delta deals on Seattle to Boise flight tickets

Delta

Dec 23

SEA8:39Seattle/Tacoma Intl

1h 34m

BOI11:13Boise Air Term. Gowen Fld

Dec 26

BOI18:09Boise Air Term. Gowen Fld

1h 56m

SEA19:05Seattle/Tacoma Intl

R3 441

Delta

Nov 28

SEA7:15Seattle/Tacoma Intl

1h 42m

BOI9:57Boise Air Term. Gowen Fld

Nov 29

BOI19:18Boise Air Term. Gowen Fld

1h 54m

SEA20:12Seattle/Tacoma Intl

R4 205

Delta

Nov 21

SEA14:49Seattle/Tacoma Intl

1h 30m

BOI17:19Boise Air Term. Gowen Fld

Nov 28

BOI15:38Boise Air Term. Gowen Fld

1h 53m

SEA16:31Seattle/Tacoma Intl

R4 937

Alaska Airlines flights from Seattle to Boise

Our best Alaska Airlines deals on Seattle to Boise flight tickets

Alaska Airlines

Jan 1

SEA19:50Seattle/Tacoma Intl

1h 28m

BOI22:18Boise Air Term. Gowen Fld

Jan 5

BOI19:00Boise Air Term. Gowen Fld

1h 49m

SEA19:49Seattle/Tacoma Intl

R3 607

Alaska Airlines

Jan 6

SEA8:47Seattle/Tacoma Intl

3h 30m

1 stop

BOI13:17Boise Air Term. Gowen Fld

Jan 6

BOI15:39Boise Air Term. Gowen Fld

5h 51m

1 stop

SEA20:30Seattle/Tacoma Intl

R3 673

Alaska Airlines

Dec 5

SEA7:00Seattle/Tacoma Intl

1h 30m

BOI9:30Boise Air Term. Gowen Fld

Dec 7

BOI16:47Boise Air Term. Gowen Fld

18h 40m

1 stop

SEA10:27Seattle/Tacoma Intl

R3 690

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 23/12

8:39-11:13

Nonstop1h 34m

Boise Air Term. Gowen Fld

Sat 26/12

18:09-19:05

Nonstop1h 56m

R3 441

Fastest return journey

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Fri 1/1

19:50-22:18

Nonstop1h 28m

Boise Air Term. Gowen Fld

Tue 5/1

19:00-19:49

Nonstop1h 49m

R3 607

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 6/1

8:47-13:17

1 stop3h 30m

Boise Air Term. Gowen Fld

Wed 6/1

15:39-20:30

1 stop5h 51m

R3 673

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Sat 5/12

7:00-9:30

Nonstop1h 30m

Boise Air Term. Gowen Fld

Mon 7/12

16:47-10:27

1 stop18h 40m

R3 690

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Tue 1/12

11:51-14:19

Nonstop1h 28m

Boise Air Term. Gowen Fld

Fri 4/12

16:47-9:32

1 stop17h 45m

R3 740

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Thu 17/12

19:50-22:18

Nonstop1h 28m

Boise Air Term. Gowen Fld

Fri 1/1

6:31-7:20

Nonstop1h 49m

R3 773

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Mon 7/12

13:00-21:40

1 stop7h 40m

Boise Air Term. Gowen Fld

Sat 12/12

7:00-12:20

1 stop6h 20m

R3 806

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Thu 3/12

7:00-14:15

1 stop6h 15m

Boise Air Term. Gowen Fld

Mon 7/12

12:40-19:40

1 stop8h 00m

R3 840

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Wed 16/12

15:00-22:27

1 stop6h 27m

Boise Air Term. Gowen Fld

Fri 1/1

8:21-9:16

Nonstop1h 55m

R3 856

SeattleBoise

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

SEABOI

Seattle/Tacoma Intl

Mon 7/12

7:00-14:15

1 stop6h 15m

Boise Air Term. Gowen Fld

Tue 15/12

12:40-22:20

2 stops10h 40m

R3 890

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 607 to R7 363.
The lowest price recently found on this route was R3 441.

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 626.

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 R4 110 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 R3 009 on momondo.

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 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 895
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 895. The best return flight deal from Seattle to Boise found on momondo in the last 72 hours is R3 441.

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 53,45% of all bookings. The subsequent popular models are Boeing 737-700 at 10,55%, Embraer 175 (Enhanced Winglets) at 7,64%, and Embraer 175 at 4,00%.

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.