UA SAN/LAX-BOS-SAN/LAX ~$300 5513miles 5.1CPM
UA SAN-BOS-SAN ~$300 5513miles 5.1CPM or 5.4CPM
Tuesdays into February. Overnight.
Example:
San Diego (SAN) to Newark (EWR) — Tue, Jan 27
United 1533 Dep: 9:35 pm Arr: 5:30 am Economy (G)
Newark (EWR) to Boston (BOS) — Wed, Jan 28
United 994 Dep: 6:37 am Arr: 7:49 am Economy (G)
Boston (BOS) to Houston (IAH) — Wed, Jan 28
United 676 Dep: 9:57 am Arr: 1:34 pm Economy (G)
Houston (IAH) to San Diego (SAN) — Wed, Jan 28
United 1185 Dep: 2:30 pm Arr: 4:05 pm Economy (G)
Also, LAX-BOS-LAX is $304 and 5cpm. Better availability.