Nonstop route
Philadelphia to Seattle nonstop
Yes — American, Alaska and Delta fly PHL to SEA nonstop year-round — about 6× daily.
PHLPhiladelphia
✈
SEASeattle
6× daily39.7 flights a week
Year-round39.7/wk Jun vs 14.2/wk Jan
$200–$425typical one-way · median $300
2,379miles nonstop
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Fares are what people actually paid: half of the 2,983 tickets in the US DOT fare survey for this route sold between $200 and $425 one way, median $300. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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