Route Price Intelligence
Cheap Flights From Chicago to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$775
Deals From
$639
Usually Costs
$639 – $1,007
Lowest We've Seen
$399
Based on 8,839 price pointshigh confidence
Monthly Price Guide
Jan
$652
Feb
$643
Mar
$933
Apr
$667
May
$1,020
Jun
$1,125
Jul
$1,032
Aug
$837
Sep
$657
Oct
$639
Nov
$597
Dec
$779
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 $597. The most expensive month tends to be June at around $1,125. 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: $776