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

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Low fare calendar for flights from Philadelphia (PHL) to Boston (BOS)

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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 Boston

Saturday heavy intensity rain
43°F 01/25/20
Sunday sky is clear
41°F 01/26/20
Monday broken clouds
38°F 01/27/20
Tuesday sky is clear
36°F 01/28/20
Wednesday sky is clear
31°F 01/29/20
Thursday sky is clear
27°F 01/30/20
Friday sky is clear
31°F 01/31/20
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