BOS
Boston
SFO
San Francisco
Boston → San Francisco
Frontier Airlines · Round Trip · Nonstop
Save $46 (16% off)
Compared to the typical price of $281
$227$281
per person · round trip
Flight Details
Cabin
Economy
Departs
May 6, 2026
Returns
May 10, 2026
Price History
Avg: $231
Low: $227
High: $235
Current price is the lowest recorded!
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