Cheap flights from San Diego to Las Vegas from C$ 55
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from San Diego to Las Vegas Harry Reid Intl are usually found in February or January, booked 40 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Find flight deals from San Diego to Las Vegas
Cheapest flights from San Diego to Las VegasExplore the most affordable flight options available from San Diego to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Explore the most affordable flight options available from San Diego to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Cheap flight deals from San Diego to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Las Vegas (LAS). 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 17 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Diego to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 17/11
6:50 p.m.-8:23 p.m.
Nonstop1h 33m
Las Vegas Harry Reid Intl
Tue 18/11
8:50 a.m.-10:11 a.m.
Nonstop1h 21m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 24/2
9:59 p.m.-11:19 p.m.
Nonstop1h 20m
Las Vegas Harry Reid Intl
Wed 25/2
6:00 a.m.-7:05 a.m.
Nonstop1h 05m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 16/12
5:00 p.m.-6:29 p.m.
Nonstop1h 29m
Las Vegas Harry Reid Intl
Wed 17/12
6:55 p.m.-8:18 p.m.
Nonstop1h 23m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 9/12
10:59 a.m.-12:31 p.m.
Nonstop1h 32m
Las Vegas Harry Reid Intl
Tue 9/12
4:50 p.m.-6:06 p.m.
Nonstop1h 16m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 17/11
6:50 p.m.-8:23 p.m.
Nonstop1h 33m
Las Vegas Harry Reid Intl
Wed 19/11
4:50 p.m.-6:09 p.m.
Nonstop1h 19m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Thu 13/11
10:59 a.m.-12:33 p.m.
Nonstop1h 34m
Las Vegas Harry Reid Intl
Mon 17/11
8:50 a.m.-10:11 a.m.
Nonstop1h 21m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Wed 3/12
9:59 a.m.-1:05 p.m.
1 stop3h 06m
Las Vegas Harry Reid Intl
Thu 4/12
8:50 a.m.-10:09 a.m.
Nonstop1h 19m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 26/1
3:35 p.m.-5:03 p.m.
Nonstop1h 28m
Las Vegas Harry Reid Intl
Wed 28/1
6:00 a.m.-9:19 a.m.
1 stop3h 19m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Sun 14/12
10:59 a.m.-12:31 p.m.
Nonstop1h 32m
Las Vegas Harry Reid Intl
Tue 16/12
8:50 a.m.-10:09 a.m.
Nonstop1h 19m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 15/12
1:48 p.m.-3:22 p.m.
Nonstop1h 34m
Las Vegas Harry Reid Intl
Sat 20/12
9:21 a.m.-10:37 a.m.
Nonstop1h 16m
Best time to book a flight from San Diego to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Diego with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Las Vegas
How far ahead should I book a flight from San Diego to Las Vegas?
The price you pay for your flight from San Diego to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Diego to Las Vegas?
Currently, February is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of C$ 44). Flying from San Diego to Las Vegas in June is currently the most expensive (average of C$ 69). 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 SAN to LAS?
One of the essential ways to save on airfare from San Diego to Las Vegas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 84% on airfare.
How often are flights from San Diego to Las Vegas delayed?
About 19% of weekly flights between San Diego and Las Vegas have experienced delays in the past year, with the average delay time being 115 minutes.
What is the most punctual flight time for San Diego to Las Vegas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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 San Diego to Las Vegas flights?
Over the past year, Sun Country Air has had the lowest number of delays on this route, with no flights being classified as delayed.
Related info for your journey
Find useful and relevant information for your journey from San Diego to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to Las Vegas
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