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 – $484
Lowest We've Seen
$180
Based on 6,600 price pointshigh confidence
Monthly Price Guide
Jan
$457
Feb
$457
Mar
$673
Apr
$412
May
$420
Jun
$457
Jul
$457
Aug
$380
Sep
$457
Oct
$457
Nov
$457
Dec
$492
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 $380. The most expensive month tends to be March at around $673. For the best deals, consider flying in August, April, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $18078 price checksWorst: $369