How popular is this Seattle to Boise flight route?

Flights from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld have been viewed 18 times in the past calendar month.

What are the cheapest airlines flying from Seattle to Boise round-trip?

Our cheapest airline available from Seattle to Boise is Alaska Airlines. Our recent data shows that you can find tickets from as low as $147 on this airline. Additional options worth looking into are Hawaiian Airlines and Delta, starting at $153 and $158 round-trip. Users have found that Alaska Airlines is 35% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to Boise one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $69. Alaska Airlines flights start at $78 while deals on Southwest start at $79 one-way.

What are the cheapest flights from Seattle to Boise?

Looking for the cheapest flight from Seattle to Boise? While on average our users pay $245, our data indicates the cheapest price to be $68. The most popular route (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), is priced around $128.

What are the most reliable airlines from Seattle to Boise?

Before booking your flight to Boise from Seattle, check out the most reliable airlines to get you to your destination on time: Air France (89%), Aeromexico (88%), KLM( 88%).

What are the most popular airlines that fly from Seattle to Boise?

The most popular airlines flying from Seattle to Boise are Alaska Airlines, Delta and Hawaiian Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Seattle to Boise?

Users have found that flying from Seattle to Boise on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save up to 141% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Boise from $326 1-2 weeks out and tickets from $476 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Boise?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Boise. Flights to Boise from Seattle in January are about $227 on average during January, but can be found for as low as $77.

Most accurate provider : When it comes to deals on Seattle-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Boise flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Seattle to Boise?

To fly from Seattle to Boise, you need to book a flight from Seattle/Tacoma Intl (SEA) to Air Term. Gowen Fld (BOI). Nonstop flights to Boise Air Term. Gowen Fld from Seattle/Tacoma Intl take 1h 21m on average. When it comes time to book airfare, you have a few options: there are 47 outbound flights from Seattle/Tacoma Intl to Air Term. Gowen Fld offered by 4 different airlines.

Can I find deals for flights from Seattle to Boise that include hotel bookings?

Yes. In addition to deals on Seattle to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Boise?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Boise.

Can I find deals for business class flights from Seattle to Boise?

Yes. Cheapflights offers flight deals from Seattle to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$69+ Flights from Seattle to Boise

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld are usually found in January or September, booked 63 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Seattle to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$147 (Alaska Airlines)
One-way from	$69 (Delta)
Popular in	December
Cheapest in	January
Average price	$217
Good round-trip deal	$177 or less
Good one-way deal	$88 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flights.

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From Seattle/Tacoma Intl to Boise Air Term. Gowen Fld

Search Deals

One-way flight from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld.

Search Deals

Price to beat on a one-way flight from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld.

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Find flight deals from Seattle to Boise

Cheapest flights from Seattle to Boise
Explore the most affordable flight options available from Seattle to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Tue 5/61:23 pmSEA - BOI

Nonstop1h 22mAlaska Airlines

Tue 5/135:35 pmBOI - SEA

1 stop4h 00mAlaska Airlines

Deal found 3/23

$147

Sat 4/191:57 pmSEA - BOI

Nonstop1h 23mHawaiian Airlines

Sun 4/208:00 amBOI - SEA

Nonstop1h 33mHawaiian Airlines

Deal found 3/24

$153

Thu 5/16:30 amSEA - BOI

1 stop7h 15mSouthwest

Sat 5/103:15 pmBOI - SEA

1 stop5h 55mSouthwest

Deal found 3/23

$157

Sat 4/193:34 pmSEA - BOI

Nonstop1h 30mDelta

Sun 4/2010:40 amBOI - SEA

Nonstop1h 50mDelta

Deal found 3/24

$158

Thu 4/243:39 pmSEA - BOI

Nonstop1h 22mMultiple Airlines

Mon 4/281:52 pmBOI - SEA

1 stop6h 59mMultiple Airlines

Deal found 3/24

$168

Thu 4/248:56 pmSEA - BOI

1 stop15h 01mSpirit Airlines

Mon 4/281:52 pmBOI - SEA

1 stop22h 43mSpirit Airlines

Deal found 3/24

$170

Fri 5/25:05 amSEA - BOI

1 stop5h 16mUnited Airlines

Sun 5/47:10 pmBOI - SEA

1 stop6h 49mUnited Airlines

Deal found 3/23

$237

Best flights from Seattle to Boise
Discover carefully curated flight deals from Seattle to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Tue 5/61:23 pmSEA - BOI

Nonstop1h 22mAlaska Airlines

Tue 5/135:35 pmBOI - SEA

1 stop4h 00mAlaska Airlines

Deal found 3/23

$147

Sat 4/191:57 pmSEA - BOI

Nonstop1h 23mHawaiian Airlines

Sun 4/208:00 amBOI - SEA

Nonstop1h 33mHawaiian Airlines

Deal found 3/24

$153

Sat 4/193:34 pmSEA - BOI

Nonstop1h 30mDelta

Sun 4/2010:40 amBOI - SEA

Nonstop1h 50mDelta

Deal found 3/24

$158

Sat 5/107:40 amSEA - BOI

1 stop7h 40mSouthwest

Tue 5/135:25 pmBOI - SEA

1 stop4h 35mSouthwest

Deal found 3/24

$162

Thu 4/243:39 pmSEA - BOI

Nonstop1h 22mMultiple Airlines

Mon 4/281:52 pmBOI - SEA

1 stop6h 59mMultiple Airlines

Deal found 3/24

$168

Thu 4/248:56 pmSEA - BOI

1 stop15h 01mSpirit Airlines

Mon 4/281:52 pmBOI - SEA

1 stop22h 43mSpirit Airlines

Deal found 3/24

$170

Wed 5/712:45 pmSEA - BOI

1 stop5h 30mUnited Airlines

Wed 5/141:35 pmBOI - SEA

2 stops8h 56mUnited Airlines

Deal found 3/23

$242

Last-minute flights from Seattle to Boise
Discover last-minute flight deals from Seattle to Boise. Data last updated March 25, 2025 and is based on user searches.

Mon 3/3111:26 amSEA - BOI

Nonstop1h 26mHawaiian Airlines

Mon 3/316:18 pmBOI - SEA

Nonstop1h 35mHawaiian Airlines

Deal found 3/24

$381

Tue 4/17:30 pmSEA - BOI

Nonstop1h 30mDelta

Wed 4/25:45 amBOI - SEA

Nonstop1h 43mDelta

Deal found 3/23

$387

Fri 4/411:26 amSEA - BOI

Nonstop1h 26mAlaska Airlines

Mon 4/76:37 amBOI - SEA

Nonstop1h 33mAlaska Airlines

Deal found 3/25

$332

Fri 4/45:45 amSEA - BOI

1 stop5h 25mSouthwest

Mon 4/76:40 amBOI - SEA

2 stops12h 35mSouthwest

Deal found 3/23

$437

Fri 4/45:15 amSEA - BOI

1 stop5h 09mUnited Airlines

Mon 4/71:31 pmBOI - SEA

2 stops8h 44mUnited Airlines

Deal found 3/24

$518

Fri 4/49:48 amSEA - BOI

2 stops26h 33mMultiple Airlines

Sat 4/122:11 pmBOI - SEA

3 stops30h 40mMultiple Airlines

Deal found 3/24

$827

Fri 4/113:35 pmSEA - BOI

1 stop6h 28mUnited Airlines

Mon 4/147:00 pmBOI - SEA

1 stop6h 58mUnited Airlines

Deal found 3/24

$297

Sat 4/127:40 amSEA - BOI

1 stop7h 40mSouthwest

Tue 4/156:15 pmBOI - SEA

1 stop5h 05mSouthwest

Deal found 3/24

$232

Mon 4/143:40 pmSEA - BOI

Nonstop1h 20mAlaska Airlines

Fri 4/186:37 amBOI - SEA

Nonstop1h 33mAlaska Airlines

Deal found 3/24

$177

Sat 4/197:30 pmSEA - BOI

Nonstop1h 31mDelta

Sun 4/208:00 pmBOI - SEA

Nonstop1h 40mDelta

Deal found 3/24

$147

Sat 4/191:57 pmSEA - BOI

Nonstop1h 23mHawaiian Airlines

Sun 4/208:00 amBOI - SEA

Nonstop1h 33mHawaiian Airlines

Deal found 3/24

$153

Thu 4/243:39 pmSEA - BOI

Nonstop1h 22mMultiple Airlines

Mon 4/281:52 pmBOI - SEA

1 stop6h 59mMultiple Airlines

Deal found 3/24

$168

One-way flights from Seattle to Boise
Search for one-way flight options from Seattle to Boise. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Tue 4/2211:10 amSEA - BOI

Nonstop1h 30mDelta

Deal found 3/24

$69

Tue 5/273:51 pmSEA - BOI

1 stop5h 07mAlaska Airlines

Deal found 3/24

$78

Mon 5/56:00 amSEA - BOI

1 stop3h 55mSouthwest

Deal found 3/24

$79

Thu 5/156:00 amSEA - BOI

1 stop6h 37mFrontier

Deal found 3/24

$109

Mon 4/143:24 pmSEA - BOI

1 stop5h 19mUnited Airlines

Deal found 3/24

$119

Sun 4/275:30 amSEA - BOI

1 stop3h 16mHawaiian Airlines

Deal found 3/24

$128

Tue 4/89:48 amSEA - BOI

1 stop26h 09mSpirit Airlines

Deal found 3/24

$146

Fri 4/1112:30 pmSEA - BOI

2 stops23h 51mMultiple Airlines

Deal found 3/23

$190

Cheapflights Fare Finder

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

Tue 5/6

1:23 pm-3:45 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Tue 5/13

5:35 pm-8:35 pm

1 stop4h 00m

$147

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 4/19

1:57 pm-4:20 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Sun 4/20

8:00 am-8:33 am

Nonstop1h 33m

$153

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 5/1

6:30 am-2:45 pm

1 stop7h 15m

Boise Air Term. Gowen Fld

Sat 5/10

3:15 pm-8:10 pm

1 stop5h 55m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 4/19

3:34 pm-6:04 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Sun 4/20

10:40 am-11:30 am

Nonstop1h 50m

$158

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/24

3:39 pm-6:01 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Mon 4/28

1:52 pm-7:51 pm

1 stop6h 59m

$168

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/24

8:56 pm-12:57 pm

1 stop15h 01m

Boise Air Term. Gowen Fld

Mon 4/28

1:52 pm-11:35 am

1 stop22h 43m

$170

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 5/2

5:05 am-11:21 am

1 stop5h 16m

Boise Air Term. Gowen Fld

Sun 5/4

7:10 pm-12:59 am

1 stop6h 49m

$237

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 4/22

11:10 am-1:40 pm

Nonstop1h 30m

$69

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Mon 4/14

6:30 am-2:45 pm

1 stop7h 15m

$79

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 6/20

4:03 pm-9:06 pm

1 stop4h 03m

$108

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 15 results

Compare providers for flights from Seattle to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Boise in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Boise flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Boise

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

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Boise?

Currently, October is the cheapest month in which you can book a flight from Seattle to Boise (average of $314). Flying from Seattle to Boise in June is currently the most expensive (average of $421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to BOI?

It’s typically best to fly out from Seattle to Boise in the evening. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Seattle to Boise?

Travelers seeking maximum savings on their Seattle to Boise flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Boise

The most flights from SEA to BOI are scheduled on a Friday (58 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (35 on average).

Rainfall in Boise by month

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Read through reviews of airlines operating flights from Seattle to Boise, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,330 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What airports do I use to fly from Seattle to Boise?
To fly from Seattle to Boise, you need to book a flight from Seattle/Tacoma Intl (SEA) to Air Term. Gowen Fld (BOI). Nonstop flights to Boise Air Term. Gowen Fld from Seattle/Tacoma Intl take 1h 21m on average. When it comes time to book airfare, you have a few options: there are 47 outbound flights from Seattle/Tacoma Intl to Air Term. Gowen Fld offered by 4 different airlines.
How popular is this Seattle to Boise flight route?
Flights from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld have been viewed 18 times in the past calendar month.
What are the cheapest airlines flying from Seattle to Boise round-trip?
Our cheapest airline available from Seattle to Boise is Alaska Airlines. Our recent data shows that you can find tickets from as low as $147 on this airline. Additional options worth looking into are Hawaiian Airlines and Delta, starting at $153 and $158 round-trip. Users have found that Alaska Airlines is 35% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Seattle to Boise one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $69. Alaska Airlines flights start at $78 while deals on Southwest start at $79 one-way.
What are the most reliable airlines from Seattle to Boise?
Before booking your flight to Boise from Seattle, check out the most reliable airlines to get you to your destination on time: Air France (89%), Aeromexico (88%), KLM( 88%).
What are the cheapest flights from Seattle to Boise?
Looking for the cheapest flight from Seattle to Boise? While on average our users pay $245, our data indicates the cheapest price to be $68. The most popular route (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), is priced around $128.
Can I find deals for flights from Seattle to Boise that include hotel bookings?
Yes. In addition to deals on Seattle to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Boise.
Can I find deals for business class flights from Seattle to Boise?
Yes. Cheapflights offers flight deals from Seattle to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Boise?
Currently, October is the cheapest month in which you can book a flight from Seattle to Boise (average of $314). Flying from Seattle to Boise in June is currently the most expensive (average of $421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Nampa

Meridian

McCall

Caldwell

Ontario

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Boise

Other flights to Boise

Top 4 airlines flying from Seattle to Boise

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$88	Average$217	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$117	Average$218	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$119	Average$221	FlexibilityNo cancel fee	On-time65%
Alaska Airlines	Cheapest$146	Average$253	FlexibilityNo cancel fee	On-time75%

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$69+ Cheap flights from Seattle to Boise (SEA - BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld are usually found in January or September, booked 63 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Seattle to Boise

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Boise

Cheapest flights from Seattle to BoiseExplore the most affordable flight options available from Seattle to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Seattle to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Seattle to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Boise in March.

Best time to book a flight from Seattle to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Boise

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Boise. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Seattle to Boise?

What is the cheapest time of day to fly from SEA to BOI?

Find hourly flight availability from Seattle to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

What is the cheapest day to fly from Seattle to Boise?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Boise. Price data was last updated on March 23, 2025.

Weekly flight availability from Seattle to Boise

Explore weekly flight availability from Seattle to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 25, 2025.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated March 25, 2025.

Read through reviews of airlines operating flights from Seattle to Boise, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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Top 4 airlines flying from Seattle to Boise

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Cheapest flights from Seattle to Boise
Explore the most affordable flight options available from Seattle to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.