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Get United's best fares today on flights from Washington to Tucson from *

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Low fare calendar for flights from Washington (IAD) to Tucson (TUS)

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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 Tucson

Thursday few clouds
58°F 12/12/19
Friday sky is clear
63°F 12/13/19
Saturday sky is clear
67°F 12/14/19
Sunday scattered clouds
62°F 12/15/19
Monday sky is clear
50°F 12/16/19
Tuesday sky is clear
53°F 12/17/19
Wednesday overcast clouds
50°F 12/18/19
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