Route Price Intelligence
Cheap Flights From Sioux Falls to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$419
Deals From
$349
Usually Costs
$349 – $469
Lowest We've Seen
$160
Based on 4,260 price pointshigh confidence
Monthly Price Guide
Jan
$349
Feb
$369
Mar
$576
Apr
$444
May
$402
Jun
$432
Jul
$448
Aug
$432
Sep
$380
Oct
$349
Nov
$369
Dec
$484
Cheapest Average Expensive
Best Time to Fly from Sioux Falls to Seattle
The cheapest time to fly from Sioux Falls to Seattle is typically October, when fares average around $349. The most expensive month tends to be March at around $576. For the best deals, consider flying in October, January, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16074 price checksWorst: $276