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Get United's best fares today on flights from Lisbon to Great Falls

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Low fare calendar for flights from Lisbon (LIS) to Great Falls (GTF)

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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 Great Falls

Monday broken clouds
67°F 05/25/20
Tuesday few clouds
68°F 05/26/20
Wednesday broken clouds
65°F 05/27/20
Thursday overcast clouds
63°F 05/28/20
Friday broken clouds
70°F 05/29/20
Saturday broken clouds
78°F 05/30/20
Sunday few clouds
79°F 05/31/20
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