Flights Boston → Los Angeles — September 21, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 21, 2026 on the Boston–Los Angeles route: 1 stop itinerary (2 flights) via Philadelphia International (PHL), from Boston Logan (BOS) to Los Angeles International (LAX), first flight American Airlines AA1540, departs 6:00 AM, arrives 11:47 AM, total travel time 8h 47m including layovers, flight time 7h 25m (layovers excluded), $212 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, 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: United Airlines UA360, from Boston Logan (BOS) to Los Angeles International (LAX), departs 8:00 AM, arrives 11:14 AM, direct, 6h 14m, $225 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.