Cheap Flights from San Diego (SAN) to Las Vegas (LASA)

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Compare San Diego International to Las Vegas flight deals

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

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Flight deals from San Diego International to Las Vegas

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Las Vegas? If you want to travel next month, return fares start from $74. Find the lowest prices on one-way and return tickets right here.

Las Vegas.$74 per passenger.Departing Sat, 17 Oct, returning Mon, 19 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sat, 17 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 19 Oct, arriving in San Diego International.Price includes taxes and charges.From $74, select.

Las Vegas.$74 per passenger.Departing Sat, 5 Dec, returning Mon, 7 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sat, 5 Dec, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 7 Dec, arriving in San Diego International.Price includes taxes and charges.From $74, select.

Las Vegas.$81 per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Thu, 29 Oct, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 2 Nov, arriving in San Diego International.Price includes taxes and charges.From $81, select.

Las Vegas.$81 per passenger.Departing Mon, 23 Nov, returning Thu, 26 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 23 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 26 Nov, arriving in San Diego International.Price includes taxes and charges.From $81, select.

Las Vegas.$124 per passenger.Departing Sat, 23 Jan, returning Mon, 25 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sat, 23 Jan, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 25 Jan, arriving in San Diego International.Price includes taxes and charges.From $124, select.

Las Vegas.$143 per passenger.Departing Sat, 30 Jan, returning Mon, 1 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sat, 30 Jan, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 1 Feb, arriving in San Diego International.Price includes taxes and charges.From $143, select.

Las Vegas.$143 per passenger.Departing Tue, 2 Feb, returning Thu, 4 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Tue, 2 Feb, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 4 Feb, arriving in San Diego International.Price includes taxes and charges.From $143, select.

Las Vegas.$155 per passenger.Departing Fri, 26 Feb, returning Mon, 1 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Fri, 26 Feb, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 1 Mar, arriving in San Diego International.Price includes taxes and charges.From $155, select.

Las Vegas.$202 per passenger.Departing Tue, 29 Dec, returning Fri, 1 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Tue, 29 Dec, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 1 Jan, arriving in San Diego International.Price includes taxes and charges.From $202, select.

Las Vegas.$210 per passenger.Departing Sun, 29 Nov, returning Fri, 4 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sun, 29 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 4 Dec, arriving in San Diego International.Price includes taxes and charges.From $210, select.

Las Vegas.$258 per passenger.Departing Mon, 2 Nov, returning Sun, 3 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 2 Nov, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Sun, 3 Jan, arriving in San Diego International.Price includes taxes and charges.From $258, select.

Las Vegas.$275 per passenger.Departing Thu, 24 Sep, returning Sat, 26 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 24 Sep, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sat, 26 Sep, arriving in San Diego International.Price includes taxes and charges.From $275, select.

Las Vegas.$280 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 25 Sep, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 2 Oct, arriving in San Diego International.Price includes taxes and charges.From $280, select.

Las Vegas.$316 per passenger.Departing Sun, 27 Sep, returning Tue, 29 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sun, 27 Sep, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Tue, 29 Sep, arriving in San Diego International.Price includes taxes and charges.From $316, select.

Las Vegas.$318 per passenger.Departing Sun, 27 Sep, returning Wed, 7 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Sun, 27 Sep, arriving in Harry Reid International.Inbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 7 Oct, arriving in San Diego International.Price includes taxes and charges.From $318, select.

Las Vegas.$356 per passenger.Departing Thu, 4 Mar, returning Sun, 7 Mar.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Diego International on Thu, 4 Mar, arriving in Harry Reid International.Inbound direct flight with Southwest Airlines departs from Harry Reid International on Sun, 7 Mar, arriving in San Diego International.Price includes taxes and charges.From $356, select.

Find the cheapest month to fly from San Diego International 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 International to Las Vegas flights are currently cheapest in October.

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Direct flights from San Diego International to Las Vegas

Alternative San Diego International to Las Vegas routes

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

San Diego to Las Vegas: Flight information

The things to know before you go.

Cheapest flight found	$74
Cheapest month to fly	October
Average flight time	1 hr, 27 mins
Most popular airline	Southwest Airlines
Average flights per week	191

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

How many airports are there in Las Vegas?

There are 4 airports in Las Vegas: Harry Reid International, North Las Vegas, Henderson Executive, and Boulder City Municipal.

How much are return flights from San Diego International to Las Vegas?

The best price we found for a return flight from San Diego International to Las Vegas is $74. 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.

How long does it take to fly from San Diego International to Las Vegas?

1 hour and 27 minutes is the average flight time from San Diego International to Las Vegas.

Which airlines fly direct from San Diego International to Las Vegas?

Southwest Airlines, Alaska Airlines and SkyWest Airlines fly direct from San Diego International to Las Vegas.

How many flights are there a week from San Diego International to Las Vegas?

As of September 2026, there are 191 flights per week flying from San Diego International to Las Vegas.

When is the cheapest time to fly from San Diego International to Las Vegas?

The cheapest month to fly from San Diego International to Las Vegas is usually October.

Which is the cheapest airport to fly into in Las Vegas?

If you're flying from San Diego International Airport, 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 $74.

Which upcoming date is cheapest to fly from San Diego International Airport to Las Vegas on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Las Vegas on Saturday, 17 October 2026.

Can I get a direct flight from San Diego International Airport to Las Vegas?

Yes – the average flight time is 1 hour and 27 minutes.

How can I get the best flight deal from San Diego International Airport to Las Vegas?

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.

When is the best time to book flights to Las Vegas?

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.

What’s the weather like in Las Vegas?

In September, the average temperature is usually around 26°C. July is typically the warmest month in Las Vegas, when it usually averages around 39°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging 2°C. The rainiest month is August.

Which is the cheapest airline to fly from San Diego International Airport to Las Vegas with?

Currently, Frontier Airlines offers the cheapest flight tickets to Las Vegas.

Flying from San Diego International Airport (SAN) to Las Vegas: what you need to know

Book a direct flight from San Diego International Airport to Las Vegas and you'll be travelling for around 1 hour 15 minutes.
Las Vegas and San Diego (where San Diego International Airport is located) share the UTC-8 timezone. This means you won't have to change your watch when you arrive.
San Diego International Airport (SAN) to Las Vegas Harry Reid International Airport (LAS) is the most traveled route, with 97 departures a week to pick from. If you prefer starting your day later, the last flight from SAN to LAS is with Southwest Airlines at 22:00. Go for the first departure with Spirit Airlines at 06:15 if you want to fly out earlier.
To avoid missing your SAN to Las Vegas flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.
Travelling during a peak month like July? Major public holidays and other popular seasons can mean longer lines and delays at security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.
Begin your journey at SAN and travel nonstop to Las Vegas Harry Reid International Airport (LAS). That's where you can expect to touch down when searching for San Diego International Airport to Las Vegas tickets.
A range of airlines offer direct flights from San Diego International Airport to Las Vegas. They include:
The journey from central San Diego to SAN takes around 25 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 3 kilometres in 15 minutes or so, depending on traffic conditions.
Searching for a hotel near SAN? If you're catching an early flight from San Diego International Airport to Las Vegas, these stays put the terminal practically at your doorstep:
Of all flights leaving San Diego International Airport, 74% touch down on time at their destination.
SAN is located at N Harbour Dr.

How to find the cheapest flights from San Diego International Airport (SAN) to Las Vegas

The best price we've found for a one-way San Diego International Airport to Las Vegas flight is $34. The cheapest price for a return flight is $74. Keep in mind fares can change due to demand at the time of booking.
To find cheap flights from SAN to Las Vegas, book as early as you can. Airlines usually offer the most competitive fares when flights are first released.
If you have flexibility with your travel dates, use the 'Whole month' search tool. It'll find the cheapest price across every month when looking for your San Diego International Airport to Las Vegas ticket.
Never miss a deal on cheap flights from SAN to Las Vegas by creating a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.
Snag an affordable flight from San Diego International Airport to Las Vegas with the help of our filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

The distance from Las Vegas Harry Reid International Airport (LAS) to central Las Vegas is roughly 8 kilometres. It'll take you about 10 minutes to get to the centre driving.
Travelling by public transport will take you around 25 minutes.
Consider staying in a hotel near LAS if you're coming in on a late flight from San Diego International Airport to Las Vegas. Choose one of these accommodation options and make your first night all about rest:
Booking your vehicle from Las Vegas Harry Reid International Airport around one week before your flight from SAN to Las Vegas can help you get the best possible rate.
The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

March is the most popular month for flights from San Diego International Airport to Las Vegas. To steer clear of the crowds, head to Las Vegas in December.
Before locking in your San Diego International Airport to Las Vegas plane ticket, think about the weather you're most comfortable in. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 43ºC (109ºF).
January sees average temperatures of between 0ºC (32ºF) and 16ºC (61ºF). Search for a cheap ticket from SAN to Las Vegas around that time if you want to travel when it's cooler.

More about Las Vegas

Start your Las Vegas trip right by choosing the perfect place to stay. After booking your flight from San Diego International Airport to Las Vegas, browse our selection of accommodation options including:
All great adventures should include a little sightseeing. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are must-do's during your Las Vegas adventure.

Explore more of the United States

You've visited Las Vegas, now it's time to explore other corners of the United States. Travel around 370 kilometres southwest to Los Angeles to check off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you on the go.
Phoenix is another well-known destination in the United States and is around 418 kilometres southeast of Las Vegas. No journey is complete without visiting Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.