฿7,110 Cheap Flights from Seattle (SEA) to Boise (BOI)

View ฿7,110 flight on Fri, 19 Sept 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 ฿7,110 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Boise (BOI)

January is typically the cheapest month to fly

From ฿2,464 - ฿6,365 per traveller.
Flight from Seattle to Boise route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Boise
Distance
636 km
Average flight time
2 hours 28 mins

Perfect flights from Seattle to Boise

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Boise. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Boise, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Boise ticket options cater to your travel preferences, with incredible one-way fares from ฿7,110 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Boise and explore Boise and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SEA to BOI travel arrangements today and embark on the journey of a lifetime in Boise.

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 . 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 cancelled 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 kilometres between SEA and Boise Airport (BOI). Chances are you'll spend more time travelling 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.

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