SEA → BOI · 399 mi
Seattle to Boise
$218typical business / first
✈️
What people paid
cheapest
$158
low
$178
typical
$218
high
$288
priciest
$353
Economy on this route starts around $78, so a premium seat runs about 2.01× the cheapest coach fare.
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Value
About 1% below the typical premium for a short-haul route. Routes this length normally run 2.03× economy; this one is 2.01×.
By airline
No per-airline breakdown recorded on this route.
From 158 premium and 2,078 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.