Route Price Intelligence
Cheap Flights From Portland to Knoxville
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$452
Deals From
$408
Usually Costs
$408 – $478
Lowest We've Seen
$258
Based on 8,123 price pointshigh confidence
Monthly Price Guide
Jan
$605
Feb
$459
Mar
$405
Apr
$381
May
$427
Jun
$438
Jul
$437
Aug
$437
Sep
$437
Oct
$442
Nov
$437
Dec
$457
Cheapest Average Expensive
Best Time to Fly from Portland to Knoxville
The cheapest time to fly from Portland to Knoxville is typically April, when fares average around $381. The most expensive month tends to be January at around $605. 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: $25877 price checksWorst: $361