AED280 Cheap Flights from Seattle (SEA) to Boise (BOI)

View AED280 flight on Sun, 22 February 2026Opens in a new window

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

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Cheap Flights from Seattle to Boise (SEA-BOI)

Prices were available within the past 7 days and start at AED280 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Seattle (SEA) to Boise (BOI)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Boise
Distance
636 km
Average flight time
2 hours 29 mins

Seattle to Boise Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Boise offer the perfect respite. Not only does exploring Boise provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Boise may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Boise are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Boise more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Boise is AED280 now!

Frequently asked questions

How long does it take to fly from Sea-Tac Airport to Boise Airport (BOI)?
Alaska Airlines operates a direct flight heading off from Sea-Tac Airport at 3:40PM and reaching Boise Airport (BOI) at 6:03PM — a travel time of 1 hour and 23 minutes. Pick a seat, bring some things to keep you occupied and the time will zip by.
Is it cheaper to buy a plane ticket from SEA to BOI last minute?
Being a spontaneous soul is a fantastic way to travel the globe, but it isn't necessarily the smartest way to pick up a cheap fare. Think about booking your Seattle - Tacoma Intl. Airport (SEA) to Boise Airport trip well in advance instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you reach your destination!
What airline has the least delays from Sea-Tac Airport to Boise Airport?
Fly with Alaska Airlines from Sea-Tac Airport to Boise Airport and you're more likely to hit the tarmac at the time on your ticket. This carrier is the top performer on this route, with 77% of services arriving on time. If your flight is delayed, the free Expedia App will keep you updated. It'll give you immediate trip updates, from flight delays to gate number changes.
What airports do you fly into for Boise from Seattle?
Boise Airport (BOI), Mountain Home, ID (MUO-Mountain Home Air Force Base) and Ontario, OR (ONO-Ontario Municipal) are your options when traveling from Seattle to Boise. Approximately 5 kilometers south of the center of Boise, Boise Airport (BOI) is the city's major hub. Think about things such as flight departure and arrival times and the distance to your hotel before deciding on an airport. Boise State University and Albertsons Stadium are two fantastic attractions to explore when you arrive.
What are the most popular departure times for flights from SEA to Boise Airport (BOI)?
Between 9:00 AM - 10:00 AM is when you'll find the largest number of Alaska Airlines flights making their way from Seattle - Tacoma Intl. Airport (SEA) to BOI. Our tip? Book a flight that departs sometime in the morning. With air traffic yet to build up, your odds of traveling on a delay-free flight are better.
Can I change the date of my flight from Sea-Tac Airport to BOI?
We know plans can change, so Expedia is here to help make things as simple as possible. To start, find your Sea-Tac Airport to BOI itinerary through the Expedia Trips portal and browse the fare rules and conditions about what changes you can make. If you purchased your airfare in the last 24 hours, some carriers will let you cancel without charge and organize new flights. If you booked your fare more than 24 hours ago, get in touch with us through our Customer Service portal to find out your options.

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