Frontier AirlinesDepart18:40
Mon, Dec 7LAX → SFO
1h 28m · Direct
$18one way, per person
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- Cheapest fare
- $18
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 1h 24m
Frontier Airlines · Mon, Dec 7
from $18
Frontier Airlines, Southwest Airlines and Alaska Airlines
560 km
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Cheapest month to fly from Los Angeles 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.
See every date in December 2026 →Plan the rest of your trip to San Francisco
Where to stay, what to do and getting around, from our travel partners.
About flights from Los Angeles to San Francisco
Los Angeles (LAX) and San Francisco (SFO) are about 560 km apart. Direct flights take around 1h 24m, and recent direct fares were with Frontier Airlines, Southwest Airlines and Alaska Airlines. Over the next few months, one-way fares start from $18, 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 Los Angeles to San Francisco?
The cheapest one-way fare we've seen recently is $18 with Frontier Airlines, departing Monday, December 7, 2026. Over the coming months, the lowest fare in each month ranges from $18 to $153.
What is the cheapest month to fly from Los Angeles to San Francisco?
December 2026 currently has the lowest fares, from $18 one way.
Are there direct flights from Los Angeles to San Francisco?
Yes. Recent direct fares were with Frontier Airlines, Southwest Airlines and Alaska Airlines.
How long is the flight from Los Angeles to San Francisco?
A direct flight takes about 1h 24m. Los Angeles and San Francisco are around 560 km apart.
Which airlines fly from Los Angeles to San Francisco?
Recent fares on this route were with Frontier Airlines, Southwest Airlines and Alaska Airlines.
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