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Low fare calendar for flights from Washington (IAD) to Sioux Falls (FSD)

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Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

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Weather in Sioux Falls

Tuesday broken clouds
12°F 01/21/20
Wednesday light rain
34°F 01/22/20
Thursday light snow
31°F 01/23/20
Friday snow
29°F 01/24/20
Saturday broken clouds
26°F 01/25/20
Sunday sky is clear
28°F 01/26/20
Monday overcast clouds
32°F 01/27/20
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