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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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 Thursday and return on a Friday

Cheap flight deals from Seattle to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Delta)

One-way from

$69
(Delta)

Popular in

December

Cheapest in

January

Average price

$212

Good round-trip deal

$177 or less

Good one-way deal

$118 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boise Air Term. Gowen Fld flight deals.
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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
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One-way flight from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld.
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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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/269:20 pmSEA - BOI
Nonstop1h 26mDelta
dom. 3/305:45 amBOI - SEA
Nonstop1h 43mDelta
Deal found 2/20$157
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/105:45 amSEA - BOI
1 stop5h 25mSouthwest
mié. 3/127:35 amBOI - SEA
2 stops10h 25mSouthwest
Deal found 2/19$162
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/298:15 pmSEA - BOI
Nonstop1h 26mHawaiian Airlines
dom. 3/306:37 amBOI - SEA
Nonstop1h 33mHawaiian Airlines
Deal found 2/20$169
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/211:26 amSEA - BOI
Nonstop1h 26mAlaska Airlines
mié. 4/26:40 pmBOI - SEA
1 stop26h 47mAlaska Airlines
Deal found 2/20$190
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/29:45 amSEA - BOI
1 stop5h 56mUnited Airlines
lun. 6/97:07 pmBOI - SEA
1 stop6h 52mUnited Airlines
Deal found 2/20$218
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/147:57 pmSEA - BOI
2 stops15h 35mSpirit Airlines
lun. 3/171:31 pmBOI - SEA
2 stops30h 31mSpirit Airlines
Deal found 2/19$222
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/23:58 pmSEA - BOI
Nonstop1h 20mMultiple Airlines
lun. 3/37:41 pmBOI - SEA
1 stop5h 44mMultiple Airlines
Deal found 2/20$341

Find flights from Seattle to Boise within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Seattle

Fly to

Boise

Route

Depart

Return

Price

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

mié. 3/26

9:20 pm-11:46 pm

Nonstop1h 26m

Boise Air Term. Gowen Fld

dom. 3/30

5:45 am-6:28 am

Nonstop1h 43m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

lun. 3/10

5:45 am-12:10 pm

1 stop5h 25m

Boise Air Term. Gowen Fld

mié. 3/12

7:35 am-5:00 pm

2 stops10h 25m

$162

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

sáb. 3/29

8:15 pm-10:41 pm

Nonstop1h 26m

Boise Air Term. Gowen Fld

dom. 3/30

6:37 am-7:10 am

Nonstop1h 33m

$169

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

mié. 4/2

11:26 am-1:52 pm

Nonstop1h 26m

Boise Air Term. Gowen Fld

mié. 4/2

6:40 pm-8:27 pm

1 stop26h 47m

$190

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

vie. 3/14

7:57 pm-12:32 pm

2 stops15h 35m

Boise Air Term. Gowen Fld

lun. 3/17

1:31 pm-7:02 pm

2 stops30h 31m

$222

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

jue. 3/6

12:55 pm-10:00 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

dom. 3/9

12:50 pm-6:38 pm

1 stop6h 48m

$298

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

dom. 3/2

3:58 pm-6:18 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

lun. 3/3

7:41 pm-12:25 am

1 stop5h 44m

$341

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

mar. 3/18

9:20 pm-11:46 pm

Nonstop1h 26m

$69

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

mar. 4/22

11:25 am-6:24 pm

1 stop5h 59m

$78

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

jue. 5/1

6:30 am-2:45 pm

1 stop7h 15m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 14 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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.

Travel insights for flights from Seattle to Boise

Get recent, data-driven insights about flights from Seattle to Boise including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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 $436). 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?

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 febrero 20, 2025.

It’s typically best to fly out from Seattle to Boise in the evening. Doing so could potentially save you 16% 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?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Boise. Price data was last updated on February 16, 2025.

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

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 febrero 20, 2025.

The most flights from SEA to BOI are scheduled on a Thursday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Boise by month

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

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

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 febrero 20, 2025.
Read through reviews of airlines operating flights from Seattle to Boise, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 20m on average. When it comes time to book airfare, you have a few options: there are 41 outbound flights from Seattle/Tacoma Intl to Air Term. Gowen Fld offered by 3 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 20 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 Delta. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are Southwest and Spirit Airlines, starting at $162 and $169 round-trip. Users have found that Delta is 31% 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: WestJet (93%), Air France (90%), KLM( 87%).

  • What are the cheapest flights from Seattle to Boise?

    Looking for the cheapest flight from Seattle to Boise? While on average our users pay $258, our data indicates the cheapest price to be $88. The most popular route (Seattle/Tacoma Intl - Boise Air Term. Gowen Fld), is priced around $157.

  • 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 $436). 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.

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Traveling to a place near Seattle?

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Top 3 airlines flying from Seattle to Boise

Discover the top 3 airlines that operate flights from Seattle to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$180FlexibilityNo cancel feeOn-time65%
DeltaCheapest$117Average$219FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$146Average$254FlexibilityNo cancel feeOn-time75%
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