Route Price Intelligence
Cheap Flights From Chicago to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$906
Great Deal
Under $728
Typical Range
$728 – $1,116
Lowest We've Seen
$399
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$740
Feb
—
Mar
—
Apr
$910
May
$1,157
Jun
$1,212
Jul
$1,116
Aug
$964
Sep
$743
Oct
$688
Nov
$628
Dec
$861
Cheapest Average Expensive
Best Time to Fly from Chicago to Porto
The cheapest time to fly from Chicago to Porto is typically November, when fares average around $628. The most expensive month tends to be June at around $1,212. For the best deals, consider flying in November, October, January.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: October45,129 fares analyzedTypical low: $597