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 – $335
Lowest We've Seen
$160
Based on 3,581 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
$329
Mar
$360
Apr
$256
May
$296
Jun
$270
Jul
$296
Aug
$326
Sep
$329
Oct
$329
Nov
$329
Dec
$349
Cheapest Average Expensive
Best Time to Fly from Seattle to Philadelphia
The cheapest time to fly from Seattle to Philadelphia is typically April, when fares average around $256. The most expensive month tends to be March at around $360. For the best deals, consider flying in April, June, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16073 price checksWorst: $220