Route Price Intelligence
Cheap Flights From Chicago to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$792
Deals From
$647
Usually Costs
$647 – $1,026
Lowest We've Seen
$399
Based on 8,723 price pointshigh confidence
Monthly Price Guide
Jan
$677
Feb
$647
Mar
$952
Apr
$687
May
$1,052
Jun
$1,145
Jul
$1,039
Aug
$862
Sep
$677
Oct
$647
Nov
$627
Dec
$806
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 $627. The most expensive month tends to be June at around $1,145. For the best deals, consider flying in November, October, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $39989 price checksWorst: $628