San Francisco (SFO) to Boston (BOS) flight deal from $109 USD in economy class – flightdeals.net

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Delta Air Lines

DLDelta Air Lines

One Way•Economy

San Francisco International Airport

San Francisco, United States

Logan International Airport

Boston, United States

$203 USD

-46%$109 USD

Verified Nov 4, 2025 at 8:03 PM

December 2025

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1$299 2$159 3$109 4$119 5$119 6$109 7$119 8$119 9$109 10$109 11$119 12$119 13$109 14$119 15$119 16$109 17$109 18$209 19$279 20$289 21$289 22$409 23$279 24$209 25$126 26$209 27$299 28$209 29$159 30$159 31$209 1 2 3 4

Limited Availability

14% of dates checked are available within 10% of the lowest price

Wednesday, December 3rd, 2025

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