CA $95 Cheap Flights from Seattle (SEA) to Boise (BOI)

View CA $95 flight on Tue, Jun. 10, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Boise Airport (BOI)

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Cheap flights from Seattle (SEA) to Boise (BOI)

Prices were available within the past 7 days and start at CA $95 for one-way flights and CA $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat., May 17 - Tue., May 20
SEA
Seattle
BOI
Boise
CA $190 Roundtrip, found 1 day ago
CA $190
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., May 17 from Seattle to Boise, returning Tue., May 20, priced at CA $190 found 1 day ago
Hawaiian Airlines
Tue., May 27 - Sat., May 31
SEA
Seattle
BOI
Boise
CA $190 Roundtrip, found 5 days ago
CA $190
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue., May 27 from Seattle to Boise, returning Sat., May 31, priced at CA $190 found 5 days ago
Alaska Airlines
Sat., May 17 - Sun., May 18
SEA
Seattle
BOI
Boise
CA $203 Roundtrip, found 1 day ago
CA $203
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., May 17 from Seattle to Boise, returning Sun., May 18, priced at CA $203 found 1 day ago
Alaska Airlines
Sun., May 18 - Tue., May 27
SEA
Seattle
BOI
Boise
CA $204 Roundtrip, found 2 days ago
CA $204
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun., May 18 from Seattle to Boise, returning Tue., May 27, priced at CA $204 found 2 days ago
Delta
Tue., May 27 - Mon., Jun. 2
SEA
Seattle
BOI
Boise
CA $205 Roundtrip, found 5 days ago
CA $205
Roundtrip
found 5 days ago
Select Delta flight, departing Tue., May 27 from Seattle to Boise, returning Mon., Jun. 2, priced at CA $205 found 5 days ago
Delta
Thu., May 29 - Tue., Jun. 3
SEA
Seattle
BOI
Boise
CA $207 Roundtrip, found 5 days ago
CA $207
Roundtrip
found 5 days ago
Select Delta flight, departing Thu., May 29 from Seattle to Boise, returning Tue., Jun. 3, priced at CA $207 found 5 days ago
Hawaiian Airlines
Thu., May 29 - Thu., Jun. 5
SEA
Seattle
BOI
Boise
CA $218 Roundtrip, found 5 days ago
CA $218
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu., May 29 from Seattle to Boise, returning Thu., Jun. 5, priced at CA $218 found 5 days ago
Delta
Sun., May 18 - Tue., May 27
SEA
Seattle
BOI
Boise
CA $232 Roundtrip, found 2 days ago
CA $232
Roundtrip
found 2 days ago
Select Delta flight, departing Sun., May 18 from Seattle to Boise, returning Tue., May 27, priced at CA $232 found 2 days ago
United
Thu., May 29 - Tue., Jun. 3
SEA
Seattle
BOI
Boise
CA $262 Roundtrip, found 5 days ago
CA $262
Roundtrip
found 5 days ago
Select United flight, departing Thu., May 29 from Seattle to Boise, returning Tue., Jun. 3, priced at CA $262 found 5 days ago
American Airlines
Wed., Jun. 18 - Sun., Jun. 22
SEA
Seattle
BOI
Boise
CA $642 Roundtrip, found 3 days ago
CA $642
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed., Jun. 18 from Seattle to Boise, returning Sun., Jun. 22, priced at CA $642 found 3 days ago
Flight from Seattle to Boise (SEA - BOI) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
CA $183
Distance
636 km

Seattle to Boise Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Seattle to Boise with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from SEA to BOI and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Seattle to Boise on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from SEA to BOI. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Boise flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
Pack your bags, because round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and BOI start from CA $190. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
The majority of flights can be canceled online, but whether you incur a fee depends on your airline. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to BOI that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to Boise Airport (BOI) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
It’s only 640 kilometers between SEA and Boise Airport (BOI). Chances are you’ll spend more time traveling to and from the airport than you will actually flying!
Which airlines fly direct from Sea-Tac Airport to Boise Airport (BOI)?
There are several airlines that fly directly from Seattle - Tacoma Intl. Airport (SEA) to Boise Airport (BOI). Alaska Airlines (AS) is a popular option, offering 321 flights every month. Another airline operating on this route is Delta Air Lines (DL). You’ll have 182 flights each month to take your pick of.
Are Seattle - Tacoma Intl. Airport (SEA) to BOI flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute deals between SEA and Boise Airport are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so check back often and be ready to pounce when the price is low.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to Boise
CA $386.70
*Available to Expedia members.