$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.

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Affordable Airfare Tickets from BOI to SEA Airport

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $117 round trip and $69 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Sep 27 - Sat, Oct 4
BOI
Boise
SEA
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 27 from Boise to Seattle, returning Sat, Oct 4, priced at $117 just found
Sat, Sep 20 - Sat, Sep 27
BOI
Boise
SEA
Seattle
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 20 from Boise to Seattle, returning Sat, Sep 27, priced at $117 found 1 hour ago
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SEA
Seattle
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Boise to Seattle, returning Tue, Sep 2, priced at $119 just found
Wed, Aug 13 - Sat, Aug 23
BOI
Boise
SEA
Seattle
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 13 from Boise to Seattle, returning Sat, Aug 23, priced at $119 found 1 day ago
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SEA
Seattle
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Boise to Seattle, returning Tue, Sep 2, priced at $137 found 6 days ago
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SEA
Seattle
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Boise to Seattle, returning Tue, Sep 2, priced at $139 just found
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SEA
Seattle
$147 Roundtrip, found 6 days ago
$147
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Boise to Seattle, returning Tue, Sep 2, priced at $147 found 6 days ago
Sat, Sep 13 - Sat, Sep 20
BOI
Boise
SEA
Seattle
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 13 from Boise to Seattle, returning Sat, Sep 20, priced at $147 just found
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SEA
Seattle
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Boise to Seattle, returning Tue, Sep 2, priced at $149 just found
Sat, Sep 20 - Sat, Sep 27
BOI
Boise
SEA
Seattle
$151 Roundtrip, found 1 hour ago
$151
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Sep 20 from Boise to Seattle, returning Sat, Sep 27, priced at $151 found 1 hour ago

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

Price found within the past 48 hours. Click for updated prices.
The Inn at Virginia Mason

The Inn at Virginia Mason

2.5 out of 5
per person
Aug 8 - Aug 11
found 1 day ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
1 Hotel Seattle

1 Hotel Seattle

5 out of 5
Save 100% on your flight
per person
Aug 14 - Aug 17
found 12 hours ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
Level Seattle Downtown - South Lake Union

Level Seattle Downtown - South Lake Union

3.5 out of 5
Save 100% on your flight
per person
Aug 20 - Aug 24
found 5 hours ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
Hotel Theodore

Hotel Theodore

4 out of 5
Save 100% on your flight
per person
Aug 8 - Aug 11
found 1 day ago
Roundtrip flight included
Boise (BOI) to Seattle (SEA)
The Edgewater Hotel

The Edgewater Hotel

4 out of 5
Save 100% on your flight
per person
Aug 8 - Aug 11
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
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$117

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 $117 and $151. 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 hour(s) 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, September 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.