Flights Boston → Los Angeles — September 15, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 15, 2026 on the Boston–Los Angeles route: 1 stop itinerary (2 flights) via Portland (PDX), from Boston Logan (BOS) to Los Angeles International (LAX), first flight Alaska Airlines AS311, departs 9:33 AM, arrives 4:22 PM, total travel time 9h 49m including layovers, flight time 8h 34m (layovers excluded), $239 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes allowed for a fee, non-refundable. Price found in an Aviasales search on September 7, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: American Airlines AA2455, from Boston Logan (BOS) to Los Angeles International (LAX), departs 6:30 AM, arrives 9:49 AM, direct, 6h 19m, $293 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.