Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in April or March, booked 84 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Find flight deals from Las Vegas to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 February 2026.
Popular in
December
Cheapest in
April
Average price
£71
Good one-way deal
£129 or less
Highest demand for flights based on searches. 24% potential increase in price (£16 potential increase over avg. return price).
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.
LAS-SAN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to San Diego
Prices
Airlines
Delays
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 return flight from Las Vegas to San Diego. Price data was last updated on 30 January 2026.
To ensure you get the cheapest price possible for a flight from Las Vegas to San Diego, you should look to book at least 83 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, February is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of £22). Flying from Las Vegas to San Diego in June is currently the most expensive (average of £36). 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 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 2 February 2026.
It’s typically best to fly out from Las Vegas to San Diego in the afternoon. Doing so could potentially save you 59% on the flight price compared to flying in the evening, which is usually more expensive.
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 2 February 2026.
The most flights from LAS to SAN are scheduled on a Friday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
How often are flights from Las Vegas to San Diego delayed?
About 24% of weekly flights between Las Vegas and San Diego have experienced delays in the past year, with the average delay time being 110 minutes.
What is the most punctual flight time for Las Vegas to San Diego flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Las Vegas to San Diego flights?
Over the past year, Spirit Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 2 February 2026.
Check out reviews from past customers who have flown with Alaska Airlines from Las Vegas to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
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.
How popular is this Las Vegas to San Diego flight route?
Flights from Las Vegas Harry Reid Intl to San Diego have been viewed 18 times in the past calendar month.
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 £61. Users have found that Alaska Airlines is 14% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Las Vegas to San Diego one-way?
One-way options have recently been found by users for as low as £21 on Frontier. Other airlines that offer cheap prices include Southwest from £35 and Alaska Airlines from £41 one-way.
What are the most reliable airlines from Las Vegas to San Diego?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to San Diego on time: Korean Air (87%), Delta (84%), Frontier (77%).
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 holiday 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.
What is the cheapest month to book a flight from Las Vegas to San Diego?
Currently, February is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of £22). Flying from Las Vegas to San Diego in June is currently the most expensive (average of £36). 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.
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 2 February 2026.
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 February 2026.
Discover the top airline that operate flights from Las Vegas to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 February 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Las Vegas to San Diego?
Cheapflights helps you search for flights from Las Vegas to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Las Vegas to San Diego?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Las Vegas to San Diego.
Can Cheapflights find flights from Las Vegas to San Diego with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Las Vegas to San Diego flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Las Vegas to San Diego become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Las Vegas today and book when prices fit your budget.
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