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Get United's best fares today on flights from Montreal to Boston

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Low fare calendar for flights from Montreal (YUL) to Boston (BOS)

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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 Boston

Friday scattered clouds
37°F 02/28/20
Saturday broken clouds
32°F 02/29/20
Sunday sky is clear
27°F 03/01/20
Monday moderate rain
34°F 03/02/20
Tuesday light rain
45°F 03/03/20
Wednesday heavy intensity rain
46°F 03/04/20
Thursday scattered clouds
43°F 03/05/20
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