Route Price Intelligence
Cheap Flights From Seattle to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$846
Deals From
$747
Usually Costs
$747 – $1,031
Lowest We've Seen
$444
Based on 8,488 price pointshigh confidence
Monthly Price Guide
Jan
$856
Feb
$858
Mar
$956
Apr
$827
May
$966
Jun
$1,077
Jul
$1,069
Aug
$898
Sep
$707
Oct
$737
Nov
$707
Dec
$852
Cheapest Average Expensive
Best Time to Fly from Seattle to Porto
The cheapest time to fly from Seattle to Porto is typically November, when fares average around $707. The most expensive month tends to be June at around $1,077. For the best deals, consider flying in November, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $44489 price checksWorst: $716