SEA → BIL · 664 mi
Seattle to BIL
$239typical business / first
Only 45 premium tickets were recorded here, so these figures are rough.
✈️
What people paid
cheapest
$178
low
$194
typical
$239
high
$296
priciest
$378
Economy on this route starts around $119, so a premium seat runs about 1.5× the cheapest coach fare.
Stay tuned
Route alerts and wider coverage are what's next. Leave an email and we'll tell you when they land — nothing else, ever.
Value
About 26% below the typical premium for a short-haul route. Routes this length normally run 2.03× economy; this one is 1.5×.
By airline
No per-airline breakdown recorded on this route.
From 45 premium and 331 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.