FFL Helper / Boise / Seattle

BOI → SEA

Boise (BOI) to Seattle (SEA)

Compare one-way fares for flights from Boise to Seattle.

Lowest fare $179

Distance 405 mi

Flight time 19h 56m

Airports BOI–SEA

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By month: November 2026 from $179

Price calendar

October 2026

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November 2026

From $179

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Upcoming dates

Seattle SEA

$179

Nov 01, 2:49pm · 19h 56m · 1 stop

BOI → SEA · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from Boise to Seattle. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Boise to Seattle.