Spirit’s Big Front Seats offer 11 inches more legroom, ideal for short flights.
Spirit’s Saver$ Club offers rotating deals and discounts on luggage and seats.
$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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
Jul 19 — Jul 261
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Las Vegas to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in August or October, booked 64 days in advance, depart on a Saturday or Tuesday and return on a Sunday
Cheap 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 July 14, 2025.
Round-trip from | $54 (Kiwi.com) |
|---|---|
One-way from | $30 (Priceline) |
Popular in | December |
Cheapest in | August |
Average price | $84 |
Good round-trip deal | $68 or less |
Good one-way deal | $49 or less |
Find flight deals from Las Vegas to San Diego
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 July 14, 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 July 14, 2025.
This FlightHub deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:38 pmLAS - SAN
Nonstop1h 17mSpirit Airlines
Mon 7/287:00 pmSAN - LAS
Nonstop1h 18mSpirit Airlines
Deal found 7/14![Spirit Airlines logo]()
$53
This Frontier deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/264:56 pmLAS - SAN
Nonstop1h 23mFrontier
Wed 7/307:04 pmSAN - LAS
Nonstop1h 30mFrontier
Deal found 7/14![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:05 amLAS - SAN
Nonstop1h 16mMultiple Airlines
Sat 8/167:06 pmSAN - LAS
Nonstop1h 30mMultiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$62
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:30 pmLAS - SAN
Nonstop1h 16mDelta
Wed 12/106:29 pmSAN - LAS
Nonstop1h 27mDelta
Deal found 7/14![Delta logo]()
$97
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:50 amLAS - SAN
1 stop3h 35mSouthwest
Mon 8/259:50 amSAN - LAS
Nonstop1h 30mSouthwest
Deal found 7/12![Southwest logo]()
$107
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2025.
Use the filters below to find and compare flights from Las Vegas to San Diego that are best for you.
Fly from
Las Vegas
Fly to
San Diego
Route
Depart
Return
Price
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Mon 7/28
4:38 pm-5:55 pm
Nonstop1h 17m
San Diego
Mon 7/28
7:00 pm-8:18 pm
Nonstop1h 18m
$53
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sat 7/26
4:56 pm-6:19 pm
Nonstop1h 23m
San Diego
Mon 7/28
12:59 pm-2:29 pm
Nonstop1h 30m
$55
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sat 8/16
6:05 am-7:21 am
Nonstop1h 16m
San Diego
Sat 8/16
7:06 pm-8:36 pm
Nonstop1h 30m
$62
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sat 12/6
4:30 pm-5:46 pm
Nonstop1h 16m
San Diego
Wed 12/10
6:29 pm-7:56 pm
Nonstop1h 27m
$97
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Thu 7/31
10:17 am-11:43 am
Nonstop1h 26m
San Diego
Sun 8/3
9:32 pm-10:59 pm
Nonstop1h 27m
$103
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sat 8/9
8:50 am-12:25 pm
1 stop3h 35m
San Diego
Mon 8/25
9:50 am-11:20 am
Nonstop1h 30m
$107
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sat 10/18
9:30 am-10:45 am
Nonstop1h 15m
$30
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Mon 7/21
4:47 pm-6:10 pm
Nonstop1h 23m
$31
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Tue 12/9
3:00 pm-4:08 pm
Nonstop1h 08m
$40
Las VegasSan Diego
LAS - SAN
LASSAN
Las Vegas Harry Reid Intl
Sun 10/12
6:05 am-7:25 am
Nonstop1h 20m
$49
Showing 1-10 of 13 results
The best insider tips for Las Vegas to San Diego flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to San Diego trip
Airlines
![Spirit Airlines]()
Spirit Airlines
![Frontier]()
Frontier
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.
![Alaska Airlines]()
Alaska Airlines
Alaska’s Premium Class offers extra legroom and free cocktails, ideal for comfort.
Alaska’s Wi-Fi is a flat fee, allowing work during flights.
Airports
Our travel experts
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.
Estimated round-trip 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
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 July 11, 2025.
To ensure you get the cheapest price possible for a flight from Las Vegas to San Diego, you should look to book at least 64 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 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 July 14, 2025.
It’s typically best to fly out from Las Vegas to San Diego in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.
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 July 13, 2025.
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
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 July 14, 2025.
The most flights from LAS to SAN are scheduled on a Friday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).
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 July 14, 2025.
Read through reviews of airlines operating flights from Las Vegas to San Diego, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee
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Alternative routes for Las Vegas to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Las Vegas to San Diego
Discover the top 6 airlines 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 2,558,603 searches. Data last updated July 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$76 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$38 | Average$67 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$48 | Average$112 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$68 | Average$133 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$127 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$96 | Average$174 | FlexibilityNo cancel fee | On-time75% |