Route Price Intelligence
Cheap Flights From Seattle to Philadelphia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$347
Deals From
$277
Usually Costs
$277 – $362
Lowest We've Seen
$180
Based on 8,370 price pointshigh confidence
Monthly Price Guide
Jan
$656
Feb
$360
Mar
$277
Apr
$237
May
$277
Jun
$385
Jul
$377
Aug
$357
Sep
$347
Oct
$347
Nov
$357
Dec
$357
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 $237. The most expensive month tends to be January at around $656. For the best deals, consider flying in April, March, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $18058 price checksWorst: $225