Route Price Intelligence
Cheap Flights From Sioux Falls to Boston
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$359
Deals From
$314
Usually Costs
$314 – $425
Lowest We've Seen
$263
Based on 7,845 price pointshigh confidence
Monthly Price Guide
Jan
$374
Feb
$365
Mar
$318
Apr
$324
May
$376
Jun
$400
Jul
$402
Aug
$317
Sep
$344
Oct
$378
Nov
$349
Dec
$319
Cheapest Average Expensive
Best Time to Fly from Sioux Falls to Boston
The cheapest time to fly from Sioux Falls to Boston is typically August, when fares average around $317. The most expensive month tends to be July at around $402. For the best deals, consider flying in August, March, December.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $26355 price checksWorst: $290