Flights New York → San Francisco — September 21, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 21, 2026 on the New York–San Francisco route: 1 stop itinerary (2 flights) via Dallas/Fort Worth (DFW), from Newark Liberty (EWR) to San Francisco International (SFO), first flight Frontier Airlines F92471, departs 1:30 PM, arrives 10:28 PM, total travel time 11h 58m including layovers, flight time 8h 12m (layovers excluded), $213 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 8, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Alaska Airlines AS41, from New York JFK (JFK) to San Francisco International (SFO), departs 11:30 AM, arrives 2:42 PM, direct, 6h 12m, $320 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.