Flights Las Vegas → San Francisco — September 14, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 14, 2026 on the Las Vegas–San Francisco route: 1 stop itinerary (2 flights) via Phoenix Sky Harbor (PHX), from Las Vegas Harry Reid (LAS) to San Francisco International (SFO), first flight Southwest Airlines WN2247, departs 6:40 PM, arrives 11:10 PM, total travel time 4h 30m including layovers, flight time 3h 15m (layovers excluded), $141 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 10, 2026 and read by AirSource on September 10, 2026, 20:49 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Frontier Airlines F93019, from Las Vegas Harry Reid (LAS) to San Francisco International (SFO), departs 6:30 AM, arrives 8:14 AM, direct, 1h 44m, $155 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes allowed for a fee, refundable.