Route Price Intelligence
Cheap Flights From Seattle to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$866
Deals From
$798
Usually Costs
$798 – $1,033
Lowest We've Seen
$444
Based on 312 price pointshigh confidence
Monthly Price Guide
Jan
$828
Feb
$854
Mar
$904
Apr
$888
May
$1,041
Jun
$1,079
Jul
$1,063
Aug
$941
Sep
$738
Oct
$738
Nov
$738
Dec
$854
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 $1,079. 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