BIL → SEA · 664 mi
BIL to Seattle
$264typical business / first
Only 51 premium tickets were recorded here, so these figures are rough.
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What people paid
cheapest
$188
low
$224
typical
$264
high
$394
priciest
$438
Economy on this route starts around $114, so a premium seat runs about 1.66× the cheapest coach fare.
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Value
About 18% below the typical premium for a short-haul route. Routes this length normally run 2.03× economy; this one is 1.66×.
By airline
No per-airline breakdown recorded on this route.
From 51 premium and 344 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.