Route Price Intelligence
Cheap Flights From Seattle to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$858
Deals From
$767
Usually Costs
$767 – $1,037
Lowest We've Seen
$444
Based on 8,580 price pointshigh confidence
Monthly Price Guide
Jan
$856
Feb
$857
Mar
$946
Apr
$851
May
$980
Jun
$1,090
Jul
$1,082
Aug
$912
Sep
$738
Oct
$738
Nov
$737
Dec
$862
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 $737. The most expensive month tends to be June at around $1,090. For the best deals, consider flying in November, October, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $44489 price checksWorst: $738