Route Price Intelligence
Cheap Flights From Chicago to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$688
Deals From
$588
Usually Costs
$588 – $856
Lowest We've Seen
$399
Based on 8,280 price pointshigh confidence
Monthly Price Guide
Jan
$614
Feb
$588
Mar
$628
Apr
$579
May
$735
Jun
$960
Jul
$820
Aug
$704
Sep
$588
Oct
$588
Nov
$537
Dec
$562
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 $537. The most expensive month tends to be June at around $960. For the best deals, consider flying in November, December, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $39961 price checksWorst: $625