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 – $339
Lowest We've Seen
$160
Based on 8,608 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
$329
Mar
$438
Apr
$250
May
$276
Jun
$290
Jul
$326
Aug
$326
Sep
$329
Oct
$329
Nov
$329
Dec
$339
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 $250. The most expensive month tends to be March at around $438. For the best deals, consider flying in April, May, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16089 price checksWorst: $225