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
$295
Usually Costs
$295 – $337
Lowest We've Seen
$160
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
—
Mar
—
Apr
$315
May
$276
Jun
$250
Jul
$296
Aug
$316
Sep
$329
Oct
$329
Nov
$329
Dec
$340
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 $250. The most expensive month tends to be December at around $340. For the best deals, consider flying in June, May, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16070 price checksWorst: $230