How much does it cost to fly round-trip from Las Vegas to San Diego?

Airfare is below average for this route at the moment. Las Vegas to San Diego flights typically cost between $58 and $112 in August. The cheapest round-trip price found within the last 3 days was $52 on Spirit Airlines (Aug 29-Sep 1).

How popular is this Las Vegas to San Diego flight route?

Within the past month, 128 users have taken a look at flights from Las Vegas Harry Reid Intl to San Diego.

What is the cheapest airline to fly from Las Vegas to San Diego round-trip?

Cheapflights users have booked flights from Las Vegas to San Diego round-trip from $52. You may be able to fly from Las Vegas to San Diego for 36% less than the average price by searching for this airline.

How far ahead should I book a flight from Las Vegas to San Diego?

To ensure you get the cheapest price possible for a flight from Las Vegas to San Diego, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Las Vegas to San Diego?

Currently, August is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of $286). Flying from Las Vegas to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Las Vegas to San Diego?

Travelers seeking maximum savings on their Las Vegas to San Diego flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Las Vegas to San Diego

The most flights from LAS to SAN are scheduled on a Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the cheapest flights from Las Vegas to San Diego?

The cheapest flight price from Las Vegas to San Diego is $30. On average you can expect to pay $716. The most popular route, (Las Vegas Harry Reid Intl - San Diego), can usually be booked for $46.

What are the most reliable airlines from Las Vegas to San Diego?

The top 3 most reliable airlines when flying from Las Vegas to San Diego are Korean Air (87%), Delta (80%) and SkyWest Airlines (78%).

What are the most popular airlines that fly from Las Vegas to San Diego?

Before booking your flight from Las Vegas to San Diego check out the most popular airlines for this route: Alaska Airlines, Delta or Frontier.

What is the cheapest day to fly round-trip from Las Vegas to San Diego?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Las Vegas to San Diego?

Users have found that booking a flight from Las Vegas to San Diego at least 30 days early can save you up to 118% on average compared to booking a flight this week. If booking 30 days before your flight isn’t an option for you, users have found flights from Las Vegas to San Diego for as little as $55 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $134 for flights departing within the next 3 days.

What is the cheapest month to fly from Las Vegas to San Diego?

Flights from Las Vegas to San Diego lean towards being more expensive in July. Prices are generally better when you fly from Las Vegas to San Diego in February, with the cheapest ticket starting at $28.

What is the cheapest time of day to fly from LAS to SAN?

It’s typically best to fly out from Las Vegas to San Diego in the afternoon. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What airports do I use to fly from Las Vegas to San Diego?

Booking a flight from Las Vegas Harry Reid Intl (LAS) to San Diego (SAN) is your only option if you wish to fly from Las Vegas to San Diego. On a typical day, there are 20 flights from Harry Reid Intl to San Diego, all of which are around 1h 12m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Harry Reid Intl to San Diego.

Can I find deals for flights from Las Vegas to San Diego that include hotel bookings?

Yes. In addition to deals on Las Vegas to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to San Diego.

Can I find deals for business class flights from Las Vegas to San Diego?

Yes. Cheapflights offers flight deals from Las Vegas to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$30+ Flights from Las Vegas to San Diego

Round-trip from	$52 (Cheapflightsfares)
One-way from	$30 (Cheapflightsfares)
Popular in	July
Cheapest in	February
Average price	$79
Good round-trip deal	$58 or less
Good one-way deal	$57 or less

Frontier’s UpFront Plus seats offer extra comfort with a guaranteed empty middle seat.

Early check-in helps secure your place as Frontier overbooks flights frequently.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$37	Average$77	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$39	Average$67	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$48	Average$113	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$68	Average$127	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$76	Average$157	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$83	Average$120	FlexibilityNo cancel fee	On-time63%

$30+ Cheap flights from Las Vegas to San Diego (LAS - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to San Diego with Cheapflights

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in February or April, booked 29 days in advance, depart on a Saturday or Tuesday and return on a Sunday

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Cheapest flights from Las Vegas to San DiegoExplore the most affordable flight options available from Las Vegas to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2025.

Explore the most affordable flight options available from Las Vegas to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2025.

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The best insider tips for Las Vegas to San Diego flights

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Best time to book a flight from Las Vegas to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Las Vegas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to San Diego

How far ahead should I book a flight from Las Vegas to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to San Diego. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Las Vegas to San Diego?

What is the cheapest time of day to fly from LAS to SAN?

Find hourly flight availability from Las Vegas to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 12, 2025.

What is the cheapest day to fly from Las Vegas to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to San Diego. Price data was last updated on August 3, 2025.

Weekly flight availability from Las Vegas to San Diego

Explore weekly flight availability from Las Vegas to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 12, 2025.

How much does it cost to fly round-trip from Las Vegas to San Diego?

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from Las Vegas to San Diego, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Las Vegas to San Diego?

How popular is this Las Vegas to San Diego flight route?

What is the cheapest airline to fly from Las Vegas to San Diego round-trip?

What are the most reliable airlines from Las Vegas to San Diego?

What are the cheapest flights from Las Vegas to San Diego?

Can I find deals for flights from Las Vegas to San Diego that include hotel bookings?

How can I find direct flights from Las Vegas to San Diego?

Can I find deals for business class flights from Las Vegas to San Diego?

What is the cheapest month to book a flight from Las Vegas to San Diego?

Traveling to a place near San Diego?

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Cheapest flights from Las Vegas to San Diego
Explore the most affordable flight options available from Las Vegas to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2025.