Route Price Intelligence
Cheap Flights From Seattle to Philadelphia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$329
Deals From
$296
Usually Costs
$296 – $334
Lowest We've Seen
$160
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
—
Mar
—
Apr
$270
May
$296
Jun
$252
Jul
$290
Aug
$326
Sep
$329
Oct
$329
Nov
$329
Dec
$340
Cheapest Average Expensive
Best Time to Fly from Seattle to Philadelphia
The cheapest time to fly from Seattle to Philadelphia is typically June, when fares average around $252. The most expensive month tends to be December at around $340. For the best deals, consider flying in June, April, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16068 price checksWorst: $220