Route Price Intelligence
Cheap Flights From Washington, D.C. to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$740
Deals From
$627
Usually Costs
$627 – $914
Lowest We've Seen
$399
Based on 8,248 price pointshigh confidence
Monthly Price Guide
Jan
$605
Feb
$605
Mar
$916
Apr
$708
May
$836
Jun
$1,036
Jul
$912
Aug
$746
Sep
$665
Oct
$675
Nov
$625
Dec
$750
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 $605. The most expensive month tends to be June at around $1,036. For the best deals, consider flying in January, February, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $39990 price checksWorst: $740