Route Price Intelligence
Cheap Flights From Chicago to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$889
Deals From
$708
Usually Costs
$708 – $1,091
Lowest We've Seen
$399
Based on 3,041 price pointshigh confidence
Monthly Price Guide
Jan
$761
Feb
$628
Mar
$688
Apr
$908
May
$1,100
Jun
$1,201
Jul
$1,105
Aug
$936
Sep
$708
Oct
$688
Nov
$628
Dec
$860
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 $1,201. For the best deals, consider flying in November, February, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $43070 price checksWorst: $628