SEA → BOS · 2,496 mi
Seattle to Boston
$784typical business / first
✈️
What people paid
cheapest
$628
low
$708
typical
$784
high
$1,039
priciest
$1,308
Economy on this route starts around $138, so a premium seat runs about 4.55× the cheapest coach fare.
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Value
About 9% above the typical premium for a long-haul route. Routes this length normally run 4.16× economy; this one is 4.55×.
By airline
No per-airline breakdown recorded on this route.
From 135 premium and 4,841 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.