Cheap flights from Seattle to Boise

Looking for cheap flights from Seattle to Boise? We track round-trip fares from SEA to BOI around the clock and post the sharpest price drops here first. The best fare we’ve found is $117 round-trip, against a typical fare of about $145 — savings of roughly 19%. Boise has nonstop service from Seattle, and sale fares on this route tend to disappear within a day or two. Create a free account to see full deal details, or go Premium for an email alert the moment a Boise fare drops.

Boise, with its stunning Idaho State Capitol dome set against the Boise foothills, offers travelers an unforgettable experience, particularly during golden hour when the landscape comes alive with vibrant colors. The best times to visit are during the shoulder seasons of spring and fall, when the weather is mild, and you can enjoy outdoor activities without the summer crowds. It's also during these times that you’ll find cheap flights from Seattle to Boise, making it an ideal getaway for those looking to explore the unique charm of this vibrant city.

Traveling from Seattle to Boise is convenient with nonstop service available, allowing you to reach your destination quickly. When planning your trip, it's advisable to book your flight deals several weeks in advance, as sales on fares typically appear about two to three months before your departure date. Keep an eye on flight schedules and consider flexible travel dates for the best opportunities. Whether you're heading from SEA to BOI for a weekend escape or a longer adventure, Boise is just a short flight away.