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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

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

As of December 2025, 281 flights take off from Boise and land in Seattle each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

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 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 52% 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.

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 115 minutes.

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

As of December 2025, there are 40 flights per day flying from Boise to Seattle. The most common time of day flights depart is 9:00AM, with 48% of flights taking off at noon.

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

Delta is the most popular carrier operating from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

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. Sunday has historically seen more delays on average compared to the rest of the week.

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 December 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.

$51 Cheap Flights from Boise to Seattle in 2025/26

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3:30 pm - 4:20 pm

BOI

SEA

1h 50mnonstop

9:35 pm - 12:04 am

SEA

BOI

1h 29mnonstop

$99Delta

Thu, Dec 25 - Fri, Jan 2

11:20 am - 5:50 pm

BOI

SEA

7h 30m1 stop

9:30 am - 2:55 pm

SEA

BOI

4h 25m1 stop

$101Southwest

Tue, Jan 27 - Wed, Jan 28

7:00 am - 10:25 am

BOI

SEA

4h 25m1 stop

1:44 pm - 4:06 pm

SEA

BOI

1h 22mnonstop

$104Alaska Airlines

Tue, Jan 6 - Tue, Jan 6

5:55 pm - 6:33 pm

BOI

SEA

1h 38mnonstop

11:35 am - 5:01 pm

SEA

BOI

4h 26m1 stop

$107Hawaiian Airlines

Thu, Jan 22 - Mon, Jan 26

9:50 pm - 10:35 pm

BOI

SEA

1h 45mnonstop

10:20 am - 12:51 pm

SEA

BOI

1h 31mnonstop

$109Alaska Airlines

Thu, Jan 1 - Wed, Jan 7

1:55 pm - 2:39 pm

BOI

SEA

1h 44mnonstop

6:10 pm - 11:41 am

SEA

BOI

16h 31m1 stop

$110Alaska Airlines

Tue, Jan 27 - Tue, Jan 27

3:35 pm - 10:35 pm

BOI

SEA

8h 00m1 stop

6:05 am - 3:20 pm

SEA

BOI

8h 15m1 stop

$111Southwest

Mon, Jan 12 - Wed, Jan 14

2:39 pm - 3:23 pm

BOI

SEA

1h 44mnonstop

6:48 pm - 9:10 pm

SEA

BOI

1h 22mnonstop

$113Alaska Airlines

Tue, Jan 6 - Tue, Jan 6

1:55 pm - 2:39 pm

BOI

SEA

1h 44mnonstop

9:36 pm - 11:59 pm

SEA

BOI

1h 23mnonstop

$118Alaska Airlines

Fri, Jan 9 - Sun, Jan 11

5:15 pm - 6:08 pm

BOI

SEA

1h 53mnonstop

7:30 pm - 9:58 pm

SEA

BOI

1h 28mnonstop

$119Delta

Tue, Jan 27 - Wed, Jan 28

Delta flights from Boise to Seattle

Our best Delta deals on Boise to Seattle flight tickets

Delta

Dec 25

BOI3:30 pmBoise Air Term. Gowen Fld

1h 50m

SEA4:20 pmSeattle/Tacoma Intl

Jan 2

SEA9:35 pmSeattle/Tacoma Intl

1h 29m

BOI12:04 amBoise Air Term. Gowen Fld

$99

Find similar

Delta

Jan 27

BOI9:15 amBoise Air Term. Gowen Fld

1h 59m

SEA10:14 amSeattle/Tacoma Intl

Jan 29

SEA7:30 pmSeattle/Tacoma Intl

1h 28m

BOI9:58 pmBoise Air Term. Gowen Fld

$119

Find similar

Delta

Jan 11

BOI5:15 pmBoise Air Term. Gowen Fld

1h 53m

SEA6:08 pmSeattle/Tacoma Intl

Jan 14

SEA5:45 pmSeattle/Tacoma Intl

1h 27m

BOI8:12 pmBoise Air Term. Gowen Fld

$139

Find similar

Hawaiian Airlines flights from Boise to Seattle

Our best Hawaiian Airlines deals on Boise to Seattle flight tickets

Hawaiian Airlines

Jan 22

BOI5:55 pmBoise Air Term. Gowen Fld

1h 38m

SEA6:33 pmSeattle/Tacoma Intl

Jan 26

SEA11:35 amSeattle/Tacoma Intl

4h 26m

1 stop

BOI5:01 pmBoise Air Term. Gowen Fld

$107

Find similar

Hawaiian Airlines

Jan 22

BOI7:00 amBoise Air Term. Gowen Fld

5h 07m

1 stop

SEA11:07 amSeattle/Tacoma Intl

Jan 26

SEA6:10 pmSeattle/Tacoma Intl

16h 31m

1 stop

BOI11:41 amBoise Air Term. Gowen Fld

$135

Find similar

Hawaiian Airlines

Jan 15

BOI5:55 pmBoise Air Term. Gowen Fld

1h 38m

SEA6:33 pmSeattle/Tacoma Intl

Jan 18

SEA7:50 pmSeattle/Tacoma Intl

3h 08m

1 stop

BOI11:58 pmBoise Air Term. Gowen Fld

$142

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 12/25

3:30 pm-4:20 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Fri 1/2

9:35 pm-12:04 am

Nonstop1h 29m

$99

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 1/27

11:20 am-5:50 pm

1 stop7h 30m

Seattle/Tacoma Intl

Wed 1/28

9:30 am-2:55 pm

1 stop4h 25m

$101

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 1/6

7:00 am-10:25 am

1 stop4h 25m

Seattle/Tacoma Intl

Tue 1/6

1:44 pm-4:06 pm

Nonstop1h 22m

$104

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 1/22

5:55 pm-6:33 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Mon 1/26

11:35 am-5:01 pm

1 stop4h 26m

$107

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Thu 1/1

9:50 pm-10:35 pm

Nonstop1h 45m

Seattle/Tacoma Intl

Wed 1/7

10:20 am-12:51 pm

Nonstop1h 31m

$109

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 1/27

1:55 pm-2:39 pm

Nonstop1h 44m

Seattle/Tacoma Intl

Tue 1/27

6:10 pm-11:41 am

1 stop16h 31m

$110

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Mon 1/12

3:35 pm-10:35 pm

1 stop8h 00m

Seattle/Tacoma Intl

Wed 1/14

6:05 am-3:20 pm

1 stop8h 15m

$111

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 1/6

2:39 pm-3:23 pm

Nonstop1h 44m

Seattle/Tacoma Intl

Tue 1/6

6:48 pm-9:10 pm

Nonstop1h 22m

$113

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Fri 1/9

1:55 pm-2:39 pm

Nonstop1h 44m

Seattle/Tacoma Intl

Sun 1/11

9:36 pm-11:59 pm

Nonstop1h 23m

$118

BoiseSeattle

BOI - SEA

BOISEA

Boise Air Term. Gowen Fld

Tue 1/27

5:15 pm-6:08 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Wed 1/28

7:30 pm-9:58 pm

Nonstop1h 28m

$119

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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, January 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 January, then you should wait until February 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 $400. 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 $552.

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 $379 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $541. 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 $193 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 $166 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 December 2025, prices for Boise to Seattle flights are approximately 17% 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	$117
Fastest flight time	1h 41m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Boise in the past 72 hours is $117. The best round-trip flight deal from Boise to Seattle found on momondo in the last 72 hours is $245.

The fastest flight from Boise to Seattle takes 1h 41m

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 38m, 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 December 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 28.90% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 20.76%, Boeing 737-900 Passenger/BBJ3 (winglets) with 12.21%, and Embraer 175 (Enhanced Winglets) with 6.51%.
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 42% and Hawaiian Airlines at 6%.

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
Alaska Airlines	PriceFrom $112	Free Cancellation	Rating 8.0 11,396 reviews	Search Alaska Airlines flights
Delta	PriceFrom $117	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $117	Free Cancellation	Rating 7.8 2,815 reviews	Search Hawaiian Airlines flights

Alaska Airlines Flights From Boise to Seattle
Alaska Airlines flight deals from Boise to Seattle start from $112 round-trip. Over the 38 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 $197. Delta operates 14 flights to Seattle from Boise in an average week. Users have rated it 7.9/10 across 8,011 reviews.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Tukwila

Redmond

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

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 $51

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 2/3. 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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Delta flights from Boise to Seattle

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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 December 2025, prices for Boise to Seattle flights are approximately 17% 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?

Delta is the most popular carrier 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 115 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. Sunday 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, Delta have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

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

As of December 2025, there are 40 flights per day flying from Boise to Seattle. The most common time of day flights depart is 9:00AM, with 48% of flights taking off at noon.

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

As of December 2025, 281 flights take off from Boise and land in Seattle each week. The most common flight departure day for this route is Thu, with 19% 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