Flights Washington → Los Angeles — September 25, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 25, 2026 on the Washington–Los Angeles route: 1 stop itinerary (2 flights) via Dallas/Fort Worth (DFW), from Washington Dulles (IAD) to Los Angeles International (LAX), first flight Frontier Airlines F94559, departs 12:30 PM, arrives 11:29 PM, total travel time 13h 59m including layovers, flight time 6h 37m (layovers excluded), $203 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), 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 11, 2026, 04:47 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA657, from Washington Dulles (IAD) to Los Angeles International (LAX), departs 9:28 AM, arrives 12:00 PM, direct, 5h 32m, $319 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.