Route Price Intelligence
Cheap Flights From Philadelphia to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$329
Deals From
$290
Usually Costs
$290 – $339
Lowest We've Seen
$160
Based on 4,754 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
$329
Mar
$329
Apr
$280
May
$276
Jun
$270
Jul
$314
Aug
$326
Sep
$329
Oct
$329
Nov
$329
Dec
$349
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Seattle
The cheapest time to fly from Philadelphia to Seattle is typically June, when fares average around $270. The most expensive month tends to be December at around $349. For the best deals, consider flying in June, May, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16077 price checksWorst: $230