$69 Cheap flights from Boise to Seattle - Tacoma Intl. (BOI to SEA)

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Find The Best Dates To Fly from Boise to Seattle - Tacoma Intl.

Compare Flight Prices from Boise to Seattle

Affordable Airfare Tickets from BOI to SEA Airport

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $133 round trip and $69 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Jun 17 - Tue, Jun 17
BOI
Boise
SEA
Seattle
$133 Roundtrip, found 13 hours ago
$133
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Tue, Jun 17 from Boise to Seattle, returning Tue, Jun 17, priced at $133 found 13 hours ago
Sat, Jun 7 - Sat, Jun 14
BOI
Boise
SEA
Seattle
$139 Roundtrip, found 13 hours ago
$139
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Jun 7 from Boise to Seattle, returning Sat, Jun 14, priced at $139 found 13 hours ago
Tue, May 20 - Sat, May 24
BOI
Boise
SEA
Seattle
$147 Roundtrip, found 4 days ago
$147
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 20 from Boise to Seattle, returning Sat, May 24, priced at $147 found 4 days ago
Fri, May 30 - Sat, May 31
BOI
Boise
SEA
Seattle
$147 Roundtrip, found 9 hours ago
$147
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Boise to Seattle, returning Sat, May 31, priced at $147 found 9 hours ago
Sat, Jun 7 - Thu, Jun 12
BOI
Boise
SEA
Seattle
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jun 7 from Boise to Seattle, returning Thu, Jun 12, priced at $150 just found
Tue, May 20 - Sat, May 24
BOI
Boise
SEA
Seattle
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 20 from Boise to Seattle, returning Sat, May 24, priced at $153 found 4 days ago
Mon, May 19 - Mon, May 19
BOI
Boise
SEA
Seattle
$154 Roundtrip, found 22 hours ago
$154
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Mon, May 19 from Boise to Seattle, returning Mon, May 19, priced at $154 found 22 hours ago
Thu, May 15 - Thu, May 15
BOI
Boise
SEA
Seattle
$154 Roundtrip, found 5 hours ago
$154
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, May 15 from Boise to Seattle, returning Thu, May 15, priced at $154 found 5 hours ago
Tue, May 13 - Sun, May 18
BOI
Boise
SEA
Seattle
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, May 13 from Boise to Seattle, returning Sun, May 18, priced at $156 found 2 days ago
Wed, May 14 - Sun, May 18
BOI
Boise
SEA
Seattle
$156 Roundtrip, found 11 hours ago
$156
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Wed, May 14 from Boise to Seattle, returning Sun, May 18, priced at $156 found 11 hours ago

Seattle - Tacoma Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Inn at Lake Washington By OYO I-405

Inn at Lake Washington By OYO I-405

2.5 out of 5
per person
Jun 6 - Jun 9
found 1 day ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
Beacon Hill Retro - Central Location

Beacon Hill Retro - Central Location

3 out of 5
per person
Jun 19 - Jun 21
found 11 hours ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
FairBridge Inn Express Tukwila

FairBridge Inn Express Tukwila

2.5 out of 5
per person
Jun 19 - Jun 21
found 11 hours ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
Studio 6 Mountlake Terrace, WA - Seattle

Studio 6 Mountlake Terrace, WA - Seattle

2 out of 5
per person
Jun 6 - Jun 9
found 1 day ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
Americas Best Value Inn Lynnwood Seattle

Americas Best Value Inn Lynnwood Seattle

2.5 out of 5
per person
Jun 6 - Jun 9
found 1 day ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
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Frequently asked questions

Can I catch a flight from Boise Airport to Sea-Tac Airport right now?
For info on any present Sea-Tac Airport travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out en route.
Are there direct flights from BOI to Seattle - Tacoma Intl. Airport (SEA)?
Sometimes, a trip is all about the journey; other times, the magic is in the destination. If you’re eager to get to where you’re going fast, multiple airlines operate direct flights from Boise Airport to Sea-Tac Airport, including Alaska Airlines and Delta.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
How long is the flight from BOI to Seattle - Tacoma Intl. Airport (SEA)?
You’ll have just enough time to read a few chapters in your latest novel as the journey from Boise Airport (BOI) to SEA takes a short and sweet 1 hour and 44 minutes. You could find yourself left on a cliffhanger!
What is the flight distance from Boise Airport to Seattle - Tacoma Intl. Airport (SEA)?
After taking off from Boise Airport (BOI), you’ll travel 400 mi before landing at Seattle - Tacoma Intl. Airport (SEA). That should give you enough time to finish a few chapters of your book and perhaps even squeeze in a nap.
What airlines fly from Boise Airport to Sea-Tac Airport?
If you need to get to Seattle from Boise, there are several airlines advertising direct flights. One of the most well-known is Alaska Airlines (AS), which offers 321 flights on this route each month. You should also pore through the deals on offer from Delta (DL). This airline operates 182 flights each month on the Boise to Seattle route. Compare the two to find your perfect fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Boise to Seattle

 

Traveling From
Boise
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
1 hours 29 mins
Earliest Departure Time
5:50AM MDT
Latest Departure Time
8:59PM MDT
Lowest Flight Price
$133

Route Info

Flight path for flights from Boise Air Terminal (Gowen Field) to Seattle-Tacoma International Airport


Origin:
BOI - Boise Air Terminal (Gowen Field)
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
400.00 miles


Airlines & Aircraft Used on BOI to SEA Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
McDonnell Douglas MD83
Delta Air Lines
Airbus A320-100/200

Discover our best flights from Boise BOI to Seattle SEA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Boise BOI to Seattle SEA at the right price  

Airfares to Seattle SEA from Boise BOI currently cost between $133 and $156. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Boise BOI to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Boise BOI to Seattle SEA on Travelocity starting at $69. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seattle SEA from Boise BOI quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from BOI to take around 1 hour(s) 29 min(s).  

 

Find our cheapest airfares for flights from Boise BOI to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from BOI. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Boise BOI to Seattle SEA today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Boise BOI to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seattle SEA from Boise BOI 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from BOI have this option.  

 

Travel with confidence when you book flights to Seattle SEA from Boise BOI with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.