Route Price Intelligence
Cheap Flights From Knoxville to Porto Alegre
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,320
Deals From
$1,268
Usually Costs
$1,268 – $1,535
Lowest We've Seen
$1,059
Based on 4,969 price pointshigh confidence
Monthly Price Guide
Jan
$1,270
Feb
$1,264
Mar
$2,012
Apr
$1,824
May
$1,437
Jun
$1,482
Jul
$1,512
Aug
$1,271
Sep
$1,270
Oct
$1,270
Nov
$1,268
Dec
$1,345
Cheapest Average Expensive
Best Time to Fly from Knoxville to Porto Alegre
The cheapest time to fly from Knoxville to Porto Alegre is typically February, when fares average around $1,264. The most expensive month tends to be March at around $2,012. For the best deals, consider flying in February, November, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $1,07770 price checksWorst: $1,231