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

As of November 2025, there are 43 flights per day flying from Boise to Seattle. The most common time of day flights depart is 11:00AM, with 62% of flights taking off at noon.

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

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

What airlines fly to Seattle?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Boise according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Boise to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boise to Seattle flights?

According to our data, Fiji Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of November 2025, 304 flights take off from Boise and land in Seattle each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How often are flights from Boise to Seattle delayed?

Historically, on average around 12% of flights between Boise and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?

As of November 2025, there are 3 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$66 Cheap Flights from Boise to Seattle in 2025/26

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11:39 am - 12:22 pmBOI-SEA

1h 43mnonstop

8:11 am - 10:45 amSEA-BOI

1h 34mnonstop

$117Alaska Airlines

Find Deal

Thu, Nov 27 - Fri, Nov 28

12:46 pm - 1:23 pmBOI-SEA

1h 37mnonstop

10:20 am - 12:45 pmSEA-BOI

1h 25mnonstop

$118Alaska Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 2

12:44 pm - 11:53 amBOI-SEA

24h 09m1 stop

12:48 pm - 11:49 amSEA-BOI

22h 01m1 stop

$119Frontier

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Thu, Dec 4 - Thu, Dec 11

12:44 pm - 11:53 amBOI-SEA

24h 09m1 stop

12:48 pm - 11:49 amSEA-BOI

22h 01m1 stop

$121Frontier

Find Deal

Thu, Dec 4 - Thu, Dec 11

11:42 am - 12:35 pmBOI-SEA

1h 53mnonstop

7:45 pm - 10:16 pmSEA-BOI

1h 31mnonstop

$127Delta

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Fri, Nov 28 - Tue, Dec 2

7:00 am - 10:28 amBOI-SEA

4h 28m1 stop

12:50 pm - 5:01 pmSEA-BOI

3h 11m1 stop

$135Alaska Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

1:46 pm - 2:42 pmBOI-SEA

1h 56mnonstop

3:59 pm - 6:28 pmSEA-BOI

1h 29mnonstop

$139Delta

Find Deal

Tue, Mar 3 - Wed, Mar 4

2:30 pm - 7:45 pmBOI-SEA

6h 15m1 stop

5:15 am - 2:05 pmSEA-BOI

7h 50m1 stop

$151Southwest

Find Deal

Thu, Dec 4 - Thu, Dec 11

6:05 am - 3:40 pmBOI-SEA

10h 35m2 stops

7:00 am - 3:15 pmSEA-BOI

7h 15m1 stop

$156Southwest

Find Deal

Wed, Jan 28 - Sat, Jan 31

10:41 pm - 11:31 amBOI-SEA

13h 50m1 stop

6:07 pm - 11:59 amSEA-BOI

16h 52m2 stops

$193Multiple Airlines

Find Deal

Fri, Dec 19 - Sun, Jan 11

Alaska Airlines flights from Boise to Seattle

Our best Alaska Airlines deals on Boise to Seattle flight tickets

Alaska Airlines

Nov 27

BOI11:39 amBoise Air Term. Gowen Fld

1h 43m

SEA12:22 pmSeattle/Tacoma Intl

Nov 28

SEA8:11 amSeattle/Tacoma Intl

1h 34m

BOI10:45 amBoise Air Term. Gowen Fld

$117

Find similar

Alaska Airlines

Nov 28

BOI12:46 pmBoise Air Term. Gowen Fld

1h 37m

SEA1:23 pmSeattle/Tacoma Intl

Dec 2

SEA10:20 amSeattle/Tacoma Intl

1h 25m

BOI12:45 pmBoise Air Term. Gowen Fld

$118

Find similar

Alaska Airlines

Jan 15

BOI7:00 amBoise Air Term. Gowen Fld

4h 28m

1 stop

SEA10:28 amSeattle/Tacoma Intl

Jan 19

SEA12:50 pmSeattle/Tacoma Intl

3h 11m

1 stop

BOI5:01 pmBoise Air Term. Gowen Fld

$135

Find similar

Delta flights from Boise to Seattle

Our best Delta deals on Boise to Seattle flight tickets

Delta

Nov 28

BOI11:42 amBoise Air Term. Gowen Fld

1h 53m

SEA12:35 pmSeattle/Tacoma Intl

Dec 2

SEA7:45 pmSeattle/Tacoma Intl

1h 31m

BOI10:16 pmBoise Air Term. Gowen Fld

$127

Find similar

Delta

Mar 3

BOI1:46 pmBoise Air Term. Gowen Fld

1h 56m

SEA2:42 pmSeattle/Tacoma Intl

Mar 4

SEA3:59 pmSeattle/Tacoma Intl

1h 29m

BOI6:28 pmBoise Air Term. Gowen Fld

$139

Find similar

Delta

Dec 2

BOI7:30 amBoise Air Term. Gowen Fld

1h 55m

SEA8:25 amSeattle/Tacoma Intl

Dec 5

SEA10:35 amSeattle/Tacoma Intl

1h 39m

BOI1:14 pmBoise Air Term. Gowen Fld

$167

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Fly from

Fly to

Route

Depart

Return

Price

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 11/27

11:39 am-12:22 pm

Nonstop1h 43m

Seattle/Tacoma Intl

Fri 11/28

8:11 am-10:45 am

Nonstop1h 34m

$117

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 11/28

12:46 pm-1:23 pm

Nonstop1h 37m

Seattle/Tacoma Intl

Tue 12/2

10:20 am-12:45 pm

Nonstop1h 25m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 12/4

12:44 pm-11:53 am

1 stop24h 09m

Seattle/Tacoma Intl

Thu 12/11

12:48 pm-11:49 am

1 stop22h 01m

$119

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 12/4

12:44 pm-11:53 am

1 stop24h 09m

Seattle/Tacoma Intl

Thu 12/11

12:48 pm-11:49 am

1 stop22h 01m

$121

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 11/28

11:42 am-12:35 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Tue 12/2

7:45 pm-10:16 pm

Nonstop1h 31m

$127

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 1/15

7:00 am-10:28 am

1 stop4h 28m

Seattle/Tacoma Intl

Mon 1/19

12:50 pm-5:01 pm

1 stop3h 11m

$135

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 3/3

1:46 pm-2:42 pm

Nonstop1h 56m

Seattle/Tacoma Intl

Wed 3/4

3:59 pm-6:28 pm

Nonstop1h 29m

$139

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 12/4

2:30 pm-7:45 pm

1 stop6h 15m

Seattle/Tacoma Intl

Thu 12/11

5:15 am-2:05 pm

1 stop7h 50m

$151

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Wed 1/28

6:05 am-3:40 pm

2 stops10h 35m

Seattle/Tacoma Intl

Sat 1/31

7:00 am-3:15 pm

1 stop7h 15m

$156

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 12/19

10:41 pm-11:31 am

1 stop13h 50m

Seattle/Tacoma Intl

Sun 1/11

6:07 pm-11:59 am

2 stops16h 52m

$193

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Boise to Seattle

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

Delays

Other information

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Boise to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $177. If you don’t want to visit Seattle in February, then you should wait until April to fly from Boise, when ticket prices are also cheap, with an average price of $177.

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

On average, the least expensive day to fly to Seattle from Boise is on a Friday. momondo users have found tickets for Friday departures for as low as $411. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $547.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $387 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $556. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boise Air Term. Gowen Fld to Seattle/Tacoma Intl flight route?

Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Boise Air Term. Gowen Fld - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $198 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Boise for as low as $168 on momondo.

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

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

How have Boise to Seattle flight prices changed over time?

As of November 2025, prices for Boise to Seattle flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Boise to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to Seattle (BOI to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Seattle

Best Price Found	$127
Fastest flight time	1h 32m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Boise in the past 72 hours is $127. The best round-trip flight deal from Boise to Seattle found on momondo in the last 72 hours is $254.

The fastest flight from Boise to Seattle takes 1h 32m

Direct flights go from Boise to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Boise Air Term. Gowen Fld to Seattle/Tacoma Intl by plane?
There are 404.9 mi between Boise Air Term. Gowen Fld and Seattle/Tacoma Intl. Flights usually cover this in 1h 37m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
As of November 2025, there are 3 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boise to Seattle?
Based on momondo bookings for flights between Boise and Seattle, the leading plane model is Embraer 175, making up 35.97% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 15.61%, Boeing 737-800 Passenger/BBJ2 (winglets) with 14.14%, and Boeing 737 MAX 9 with 6.54%.
What is the most popular airline from Boise to Seattle?
momondo data reveals that the most frequently booked airline on the route from Boise to Seattle is Alaska Airlines, representing 52% of all bookings. The subsequent popular airlines are Delta at 43% and Hawaiian Airlines at 5%.

Best airlines flying from Boise to Seattle

Compare and see reviews for airlines that fly from Boise to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $117	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $117	Free Cancellation	Rating 7.8 2,800 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $127	Free Cancellation	Rating 8.0 11,241 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Boise to Seattle
Alaska Airlines flight deals from Boise to Seattle start from $127 round-trip. Over the 40 Alaska Airlines flights for this route in a normal week, average airfare is usually $197 round-trip - but some users have found much cheaper deals with momondo.
Delta Flights From Boise to Seattle
Delta is also a popular choice for this route. Delta flight deals for Boise to Seattle start from as low as $117 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $202. Delta operates 27 flights to Seattle from Boise in an average week. Users have rated it 7.9/10 across 8,004 reviews.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

It is quick and easy to find Boise to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

All flight searches from Boise to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

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

I’m not ready to book a flight from Boise to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Boise to Seattle from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Seattle departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Boise to Seattle

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 Seattle?

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

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Boise Air Term. Gowen Fld to Seattle/Tacoma Intl flight route?

Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Boise Air Term. Gowen Fld - Seattle/Tacoma Intl flight prices

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

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

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

How have Boise to Seattle flight prices changed over time?

As of November 2025, prices for Boise to Seattle flights are approximately 45% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

How often are flights from Boise to Seattle delayed?

Historically, on average around 12% of flights between Boise and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

What is the most punctual flight time for Boise to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boise to Seattle flights?

According to our data, Fiji Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of November 2025, there are 43 flights per day flying from Boise to Seattle. The most common time of day flights depart is 11:00AM, with 62% of flights taking off at noon.

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

As of November 2025, 304 flights take off from Boise and land in Seattle each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

When to book flights from Boise to Seattle

Cheap Boise to Seattle (BOI to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Boise Air Term. Gowen Fld to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Boise to Seattle?

What is the most popular airline from Boise to Seattle?

Best airlines flying from Boise to Seattle

Compare and see reviews for airlines that fly from Boise to Seattle with momondo

Alaska Airlines Flights From Boise to Seattle

Delta Flights From Boise to Seattle

Traveling to a place near Seattle?

Why use momondo?

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

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

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

I’m not ready to book a flight from Boise to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington