Route Price Intelligence
Cheap Flights From Seattle to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$887
Deals From
$797
Usually Costs
$797 – $1,041
Lowest We've Seen
$444
Based on 3,489 price pointshigh confidence
Monthly Price Guide
Jan
$889
Feb
$869
Mar
$912
Apr
$848
May
$1,020
Jun
$1,095
Jul
$1,083
Aug
$941
Sep
$767
Oct
$738
Nov
$738
Dec
$889
Cheapest Average Expensive
Best Time to Fly from Seattle to Porto
The cheapest time to fly from Seattle to Porto is typically October, when fares average around $738. The most expensive month tends to be June at around $1,095. For the best deals, consider flying in October, November, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $47871 price checksWorst: $738