Route Price Intelligence
Cheap Flights From Portland to Knoxville
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$457
Deals From
$425
Usually Costs
$425 – $484
Lowest We've Seen
$258
Based on 3,265 price pointshigh confidence
Monthly Price Guide
Jan
$457
Feb
$477
Mar
$484
Apr
$535
May
$405
Jun
$443
Jul
$445
Aug
$380
Sep
$457
Oct
$457
Nov
$457
Dec
$477
Cheapest Average Expensive
Best Time to Fly from Portland to Knoxville
The cheapest time to fly from Portland to Knoxville is typically August, when fares average around $380. The most expensive month tends to be April at around $535. For the best deals, consider flying in August, May, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $25862 price checksWorst: $325