Route Price Intelligence
Cheap Flights From Sioux Falls to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$399
Deals From
$349
Usually Costs
$349 – $471
Lowest We've Seen
$163
Based on 8,214 price pointshigh confidence
Monthly Price Guide
Jan
$374
Feb
$349
Mar
$342
Apr
$302
May
$398
Jun
$440
Jul
$444
Aug
$339
Sep
$339
Oct
$359
Nov
$351
Dec
$474
Cheapest Average Expensive
Best Time to Fly from Sioux Falls to Seattle
The cheapest time to fly from Sioux Falls to Seattle is typically April, when fares average around $302. The most expensive month tends to be December at around $474. For the best deals, consider flying in April, August, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16378 price checksWorst: $289