Frontier AirlinesDepart06:00
Thu, Dec 17LAS → SFO
1h 39m · Direct
$30one way, per person
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- Cheapest fare
- $30
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 1h 38m
Frontier Airlines · Thu, Dec 17
from $30
Frontier Airlines and Alaska Airlines
670 km
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Cheapest month to fly from Las Vegas to San Francisco
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Frontier AirlinesFrontier AirlinesDepart05:19
Wed, Dec 30LAS → SFO
1h 45m · Direct
$43one way, per person
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About flights from Las Vegas to San Francisco
Las Vegas (LAS) and San Francisco (SFO) are about 670 km apart. Direct flights take around 1h 38m, and recent direct fares were with Frontier Airlines and Alaska Airlines. Over the next few months, one-way fares start from $30, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Las Vegas to San Francisco?
The cheapest one-way fare we've seen recently is $30 with Frontier Airlines, departing Thursday, December 17, 2026. Over the coming months, the lowest fare in each month ranges from $30 to $193.
What is the cheapest month to fly from Las Vegas to San Francisco?
December 2026 currently has the lowest fares, from $30 one way.
Are there direct flights from Las Vegas to San Francisco?
Yes. Recent direct fares were with Frontier Airlines and Alaska Airlines.
How long is the flight from Las Vegas to San Francisco?
A direct flight takes about 1h 38m. Las Vegas and San Francisco are around 670 km apart.
Which airlines fly from Las Vegas to San Francisco?
Recent fares on this route were with Frontier Airlines and Alaska Airlines.
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