Route Price Intelligence
Cheap Flights From Washington, D.C. to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$640
Deals From
$574
Usually Costs
$574 – $756
Lowest We've Seen
$399
Based on 8,219 price pointshigh confidence
Monthly Price Guide
Jan
$509
Feb
$543
Mar
$576
Apr
$556
May
$651
Jun
$786
Jul
$757
Aug
$590
Sep
$574
Oct
$575
Nov
$514
Dec
$530
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 January, when fares average around $509. The most expensive month tends to be June at around $786. For the best deals, consider flying in January, November, December.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $39961 price checksWorst: $590