Route Price Intelligence
Cheap Flights From Knoxville to Portland
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$457
Deals From
$420
Usually Costs
$420 – $488
Lowest We've Seen
$180
Based on 6,833 price pointshigh confidence
Monthly Price Guide
Jan
$457
Feb
$457
Mar
$730
Apr
$473
May
$414
Jun
$446
Jul
$457
Aug
$390
Sep
$457
Oct
$457
Nov
$457
Dec
$508
Cheapest Average Expensive
Best Time to Fly from Knoxville to Portland
The cheapest time to fly from Knoxville to Portland is typically August, when fares average around $390. The most expensive month tends to be March at around $730. 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: $18082 price checksWorst: $361