PHL → SEA · 2,378 mi
Philadelphia to Seattle
$798typical business / first
✈️
What people paid
cheapest
$590
low
$668
typical
$798
high
$1,046
priciest
$1,095
Economy on this route starts around $173, so a premium seat runs about 3.41× the cheapest coach fare.
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Value
About 4% below the typical premium for a medium-haul route. Routes this length normally run 3.55× economy; this one is 3.41×.
By airline
| American | ~$769 |
| Alaska | ~$919 |
From 150 premium and 1,914 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.