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Get United's best fares today on flights from Williston to Salt Lake City

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Low fare calendar for flights from Williston (ISN) to Salt Lake City (SLC)

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*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 Salt Lake City

Thursday light rain
36°F 12/05/19
Friday scattered clouds
39°F 12/06/19
Saturday sky is clear
42°F 12/07/19
Sunday moderate rain
40°F 12/08/19
Monday snow
36°F 12/09/19
Tuesday few clouds
38°F 12/10/19
Wednesday snow
40°F 12/11/19
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