ONT → SEA · 956 mi
Ontario to Seattle
$321typical business / first
✈️
What people paid
cheapest
$264
low
$282
typical
$321
high
$348
priciest
$403
Economy on this route starts around $78, so a premium seat runs about 3.36× the cheapest coach fare.
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Value
About 5% below the typical premium for a medium-haul route. Routes this length normally run 3.55× economy; this one is 3.36×.
By airline
No per-airline breakdown recorded on this route.
From 103 premium and 3,902 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.