Frontier AirlinesDepart19:53
Thu, Dec 31SAN → LAS
1h 29m · Direct
$28one way, per person
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- Cheapest fare
- $28
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 1h 29m
Frontier Airlines · Thu, Dec 31
from $28
Frontier Airlines
430 km
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Cheapest month to fly from San Diego to Las Vegas
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 Las Vegas
Where to stay, what to do and getting around, from our travel partners.
About flights from San Diego to Las Vegas
San Diego (SAN) and Las Vegas (LAS) are about 430 km apart. Direct flights take around 1h 29m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $28, 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 San Diego to Las Vegas?
The cheapest one-way fare we've seen recently is $28 with Frontier Airlines, departing Thursday, December 31, 2026. Over the coming months, the lowest fare in each month ranges from $28 to $52.
What is the cheapest month to fly from San Diego to Las Vegas?
December 2026 currently has the lowest fares, from $28 one way.
Are there direct flights from San Diego to Las Vegas?
Yes. Recent direct fares were with Frontier Airlines.
How long is the flight from San Diego to Las Vegas?
A direct flight takes about 1h 29m. San Diego and Las Vegas are around 430 km apart.
Which airlines fly from San Diego to Las Vegas?
Recent fares on this route were with Frontier Airlines.
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