Route Price Intelligence
Cheap Flights From Washington, D.C. to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$799
Deals From
$714
Usually Costs
$714 – $976
Lowest We've Seen
$399
Based on 4,243 price pointshigh confidence
Monthly Price Guide
Jan
$715
Feb
$648
Mar
$648
Apr
$845
May
$979
Jun
$1,091
Jul
$958
Aug
$820
Sep
$708
Oct
$728
Nov
$695
Dec
$799
Cheapest Average Expensive
Best Time to Fly from Washington, D.C. to Porto
The cheapest time to fly from Washington, D.C. to Porto is typically February, when fares average around $648. The most expensive month tends to be June at around $1,091. For the best deals, consider flying in February, March, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $49774 price checksWorst: $714