Route Price Intelligence
Cheap Flights From Seattle to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$882
Deals From
$798
Usually Costs
$798 – $1,040
Lowest We've Seen
$444
Based on 2,890 price pointshigh confidence
Monthly Price Guide
Jan
$853
Feb
$838
Mar
$911
Apr
$879
May
$1,011
Jun
$1,085
Jul
$1,065
Aug
$941
Sep
$777
Oct
$738
Nov
$738
Dec
$872
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 $1,085. 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: $47869 price checksWorst: $738