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United flights from Montreal to Saint Louis

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Low fare calendar for flights from Montreal (YUL) to Saint Louis (STL)

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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.

More United deals on Montreal (YUL) to Saint Louis (STL) flights

There are no flight results that match your filtered criteria based on user searches within the last 24 hours.

*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.

Weather in Saint Louis

Saturday light rain
86°F 08/08/20
Sunday moderate rain
87°F 08/09/20
Monday moderate rain
90°F 08/10/20
Tuesday light rain
85°F 08/11/20
Wednesday light rain
87°F 08/12/20
Thursday light rain
87°F 08/13/20
Friday light rain
88°F 08/14/20
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