CA $93 Cheap Flights from Seattle (SEA) to Boise (BOI)

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 $93 for one-way flights and CA $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
Alaska Airlines
Delta
Alaska Airlines
Hawaiian Airlines
Delta
Alaska Airlines
United
American Airlines

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

January is typically the cheapest month to fly

From CA $105 - CA $270 per traveller.

Graph displaying average flight prices per month

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 $159
Distance
636 km
Average flight time
2 hours 28 mins

Seattle to Boise Flights

The easy way to book your flights from Seattle to Boise 

With Expedia, it’s simple to find and book flights to Boise from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Boise, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Boise today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Boise, BOI 

Sort your search results by price to find great deals on your flight from Seattle to Boise—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Boise from Seattle currently is just CA $159 rising to CA $723.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Boise  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Boise from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Boise with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Boise Airport?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between SEA and Boise Airport (BOI) start from CA $159. Book ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to BOI?
Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Boise Airport (BOI) that have flexible change policies?
Select our "No change fees" filter to find flexible travel options for your flight from Sea-Tac Airport to Boise Airport. This allows you to lock in a great deal in advance and still have the freedom to reschedule without any additional fees. You'll just need to pay the difference in fare.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
It takes just 1 hour and 25 minutes to journey from SEA to Boise Airport (BOI) — perfect for a nap. You'll be landing in Boise by the time you open your eyes.
How far is the flight from SEA to Boise Airport?
With a flight distance of 640 kilometres, it's only a hop from SEA to Boise Airport. It might be a quick one, but it's still worth bringing a book to read.
Which airlines fly direct from SEA to Boise Airport?
There are a few airlines that fly straight from Seattle - Tacoma Intl. Airport (SEA) to Boise Airport (BOI). Alaska Airlines (AS) is a great choice, offering 239 flights every month. Another airline operating on this route is Delta (DL). You'll have 208 flights every month to take your pick of.
Are Sea-Tac Airport to Boise Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Sea-Tac Airport to Boise Airport (BOI) are available up to 12 months before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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Seattle nearby Airports

Seattle Paine Field Intl. Airport

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