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Cheap flights from San Diego to Las Vegas

Your route at a glance

Cheapest deal$62
Cheapest monthJanuary
Average flight duration1 hour and 28 minutes
Most popular airlineSouthwest Airlines

Compare San Diego to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

Book the best Las Vegas fare with no extra fees

Flight deals from San Diego to Las Vegas

Looking for a cheap last-minute deal or the best return flight from San Diego to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$25 per passenger.Departing Wed, 7 Jan.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Wed, 7 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $25, select.
Las Vegas.$31 per passenger.Departing Sun, 1 Mar.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sun, 1 Mar, arriving in Harry Reid International.Price includes taxes and charges.From $31, select.
Las Vegas.$31 per passenger.Departing Sun, 22 Feb.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sun, 22 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $31, select.
Las Vegas.$38 per passenger.Departing Mon, 6 Apr.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 6 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $38, select.
Las Vegas.$51 per passenger.Departing Wed, 24 Dec.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Wed, 24 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $51, select.
Las Vegas.$76 per passenger.Departing Tue, 5 May.One-way flight with Delta.Outbound direct flight with Delta departs from San Diego International on Tue, 5 May, arriving in Harry Reid International.Price includes taxes and charges.From $76, select.
Las Vegas.$76 per passenger.Departing Tue, 15 Sep.One-way flight with Delta.Outbound direct flight with Delta departs from San Diego International on Tue, 15 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $76, select.
Las Vegas.$88 per passenger.Departing Mon, 8 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon, 8 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $88, select.

Find the cheapest month to fly from San Diego to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Las Vegas flights are currently cheapest in January.
Dec
from $51
Jan
from $25
Feb
from $31
Mar
from $31
Apr
from $38
May
from $76
Jun
from $88
Jul
from $88
Aug
from $88
Sep
from $76
Oct
from $127
Nov
from $1,089

Direct flights from San Diego to Las Vegas

Alternative San Diego to Las Vegas routes

Looking for the cheapest, fastest or easiest route from San Diego to Las Vegas? You could fly into the following airports instead.

Finding cheap flights from San Diego to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from San Diego to Las Vegas is $62. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 28 minutes is the average flight time from San Diego to Las Vegas.
Southwest Airlines, Alaska Airlines and SkyWest Airlines fly direct from San Diego to Las Vegas.
As of December 2025, there are 223 flights per week flying from San Diego to Las Vegas.
The cheapest month to fly from San Diego to Las Vegas is usually January.
If you're flying from San Diego, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $62.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Las Vegas on Wednesday, 7 January 2026.
Yes – the average flight time is 1 hour and 28 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 6°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
The cheapest airline that flies to Las Vegas is Frontier Airlines .

Flying from San Diego to Las Vegas: what you need to know

  • Embark on your next adventure from one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Explore the options for booking a flight from San Diego to Las Vegas leaving from either of these bases.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is where your flight will arrive in Las Vegas.

  • Jump on a direct San Diego to Las Vegas flight and you'll be travelling for an average of 1 hour 25 minutes.

  • San Diego and Las Vegas share the same timezone, UTC-7.

  • The busiest route for flights from San Diego to Las Vegas is from San Diego International Airport (SAN) to Harry Reid Airport (formerly McCarran Airport) (LAS). You can choose from 99 weekly services between these two airports. If you'd like to set off at the first opportunity, the earliest flight from SAN to LAS is the 06:15 Spirit Airlines option. If you prefer to leave later in the day, the latest available service is at 22:00 with Southwest Airlines.

  • To ensure you make it on your San Diego to Las Vegas flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Travelling over a peak time such as July? Major public holidays and other popular periods can mean longer lines at security. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from San Diego to Las Vegas

  • The lowest price we've seen for a one-way ticket from San Diego to Las Vegas is $25. For a return flight on this route, the best price is $62. Depending on how early you book and the availability, these fares could change.

  • Book two months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap San Diego to Las Vegas flights.

  • May is the best month for picking up an amazing deal on a plane ticket from San Diego to Las Vegas. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Save time looking for cheap flights from San Diego to Las Vegas by creating a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Tailor your travel plans using filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' San Diego to Las Vegas flights.

Flying from San Diego

San Diego International Airport (SAN)

  • You can catch a direct flight from San Diego to Las Vegas leaving from San Diego International Airport (SAN). Begin your trip at SAN and come in for landing at Harry Reid Airport (formerly McCarran Airport) (LAS).

  • You'll find a good range of airlines that offer direct San Diego to Las Vegas plane tickets out of SAN. Get up and away with one of these trusted names:

  • Travelling from central San Diego to SAN takes about 20 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic.

  • After a relaxed start to your break? Stay near San Diego International Airport. Whether you're boarding an early flight from San Diego to Las Vegas or just don't like being rushed, these hotels are perfect:

  • Of all flights departing from San Diego International Airport, 71.38% land on time at their destination.

  • SAN is located at N Harbour Dr.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The distance from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas is approximately 3 kilometres. It'll take you about 15 minutes to reach the centre driving.

  • It typically takes 1 hour to get there on public transport.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from San Diego to Las Vegas. Reserve one of these accommodation options near LAS instead:

  • Grab a Harry Reid Airport (formerly McCarran Airport) rental car and explore Las Vegas and beyond with your own wheels. Dollar, Thrifty and Alamo are top outlets you can book with here.

  • Reserving your ride from Harry Reid Airport (formerly McCarran Airport) about one week ahead gives you the best shot at securing a great deal.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • It's time to pick your travel dates for your flight from San Diego to Las Vegas. October is the most popular month to travel to Las Vegas. If you want a quieter vibe, go in May.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Book your San Diego to Las Vegas ticket then if that's your definition of good weather.

  • Look for cheap flights from San Diego to Las Vegas in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 13ºC (55ºF) on average.

More about Las Vegas

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Las Vegas right here. Check out these hotels after you've booked your flight from San Diego to Las Vegas:

  • There are so many things to discover in this city it can be hard to work out where to start. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are major attractions which should feature on every Las Vegas itinerary.

Explore more of United States

  • You've seen Las Vegas, now it's time to discover other corners of United States. Journey about 370 kilometres south-west to Los Angeles to check off its top sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a packed itinerary ahead.

  • Around 418 kilometres south-east of Las Vegas, Phoenix is another essential stop in United States. No visit is complete without checking out Desert Botanical Garden, Heard Museum and Papago Park.

More travel options

Plan the rest of your trip from San Diego to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.