₩110,000 Cheap Flights from Boise (BOI) to Seattle (SEA)

View ₩110,000 flight on Sat, Nov 1, 2025Opens in a new window

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

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Cheap Flights from Boise to Seattle (BOI-SEA)

Prices were available within the past 7 days and start at ₩110,000 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 Boise (BOI) to Seattle (SEA)

January is typically the cheapest month to fly

From ₩105,766 - ₩299,769 per traveler.

Frequently asked questions

How much is a flight from Boise Airport (BOI) to Sea-Tac Airport?
The lowest price advertised for a round-trip journey from Boise Airport to Seattle - Tacoma Intl. Airport (SEA) is . But you better move fast. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Boise Airport to Seattle - Tacoma Intl. Airport (SEA)?
We get that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from BOI to SEA 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 BOI to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BOI to SEA?
The distance from Boise Airport (BOI) (BOI) to SEA (SEA) is 640 kilometers. You'll be walking down the air bridge and collecting your bags from the carousel in no time.
Which airlines fly direct from Boise Airport (BOI) to Sea-Tac Airport?
There are a few airlines that fly directly from Boise Airport (BOI) to Sea-Tac Airport. Alaska Airlines (AS) is a great choice, offering 321 flights each month. Operating 182 flights each month on this route, Delta Air Lines (DL) is another traveler favorite.
Are Boise Airport to SEA 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 BOI and SEA are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers advertise their prices up to a year prior to the departure date. Expedia is continuously updating the biggest airfare bargains around, so check back often and be ready to grab your seat when the price dips.

Travel information

Travel information

0
Origin airport
Boise
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Delta, Hawaiian Airlines, United
Roundtrip price
₩212,000
Distance
636 km

Book with confidence

Book with confidence

Boise to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Boise to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BOI to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Boise for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Boise to Seattle Flights

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