Route Price Intelligence
Cheap Flights From Knoxville to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,157
Deals From
$947
Usually Costs
$947 – $1,389
Lowest We've Seen
$461
Based on 7,518 price pointshigh confidence
Monthly Price Guide
Jan
$813
Feb
$888
Mar
$1,198
Apr
$938
May
$1,285
Jun
$1,330
Jul
$1,232
Aug
$887
Sep
$1,215
Oct
$1,079
Nov
$735
Dec
$1,053
Cheapest Average Expensive
Best Time to Fly from Knoxville to Porto
The cheapest time to fly from Knoxville to Porto is typically November, when fares average around $735. The most expensive month tends to be June at around $1,330. For the best deals, consider flying in November, January, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $46155 price checksWorst: $720