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Cheap Flights from Las Vegas to San Diego International

Compare Las Vegas to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

Book the best San Diego International fare with no extra fees

Flight deals from Las Vegas to San Diego International Airport

Looking for a cheap last-minute deal or the best return flight from Las Vegas to San Diego International Airport? If you want to travel next month, return fares start from R 894. Find the lowest prices on one-way and return tickets right here.
San Diego.R 447 per passenger.Departing Thu, 16 Apr.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 16 Apr, arriving in San Diego International.Price includes taxes and charges.From R 447, select.
San Diego.R 447 per passenger.Departing Thu, 12 Feb.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 12 Feb, arriving in San Diego International.Price includes taxes and charges.From R 447, select.
San Diego.R 447 per passenger.Departing Thu, 5 Mar.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 5 Mar, arriving in San Diego International.Price includes taxes and charges.From R 447, select.
San Diego.R 450 per passenger.Departing Mon, 4 May.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Mon, 4 May, arriving in San Diego International.Price includes taxes and charges.From R 450, select.
San Diego.R 703 per passenger.Departing Thu, 29 Jan.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 29 Jan, arriving in San Diego International.Price includes taxes and charges.From R 703, select.
San Diego.R 933 per passenger.Departing Tue, 9 Jun.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Tue, 9 Jun, arriving in San Diego International.Price includes taxes and charges.From R 933, select.
San Diego.R 933 per passenger.Departing Wed, 5 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Wed, 5 Aug, arriving in San Diego International.Price includes taxes and charges.From R 933, select.
San Diego.R 935 per passenger.Departing Tue, 22 Sep.One-way flight with Delta.Outbound direct flight with Delta departs from Harry Reid International on Tue, 22 Sep, arriving in San Diego International.Price includes taxes and charges.From R 935, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to San Diego International flights are currently cheapest in February.
Jan
from R 703
Feb
from R 447
Mar
from R 447
Apr
from R 447
May
from R 450
Jun
from R 933
Jul
from R 940
Aug
from R 933
Sep
from R 935
Oct
from R 947
Nov
from R 1,104
Dec
from R 939

Direct flights from Las Vegas to San Diego International

Las Vegas to San Diego International: Alternative routes

Compare routes from Las Vegas to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

San Diego International

4km from central San Diego
ClosestCheapest
from R 447
Search flights

McClellan-Palomar

48km from central San Diego
from R 3,338
Search flights

Las Vegas to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 447
Cheapest month to flyFebruary
Average flight time1 hr, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week218

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

The best price we found for a return flight from Las Vegas to San Diego International is R 894. 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 18 minutes is the average flight time from Las Vegas to San Diego International.
Southwest Airlines, Alaska Airlines and Horizon Air fly direct from Las Vegas to San Diego International.
As of January 2026, there are 218 flights per week flying from Las Vegas to San Diego International.
The cheapest month to fly from Las Vegas to San Diego International is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to San Diego International Airport on Friday, 20 February 2026.
Yes – the average flight time is 1 hour and 18 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 San Diego International 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Diego International is Frontier Airlines .

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

  • Your travels get underway at Las Vegas's main airport, Harry Reid Airport (formerly McCarran Airport) (LAS). Explore your options for catching a flight from Las Vegas to San Diego International Airport (SAN) departing from this base.

  • 1 hour 15 minutes is the average duration of a direct Las Vegas to San Diego International Airport flight.

  • San Diego (where San Diego International Airport is located) and Las Vegas share the UTC-7 timezone. Same timezone means no confusion when scheduling your trip.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to San Diego International Airport (SAN) is the most popular route. There are 99 direct weekly departures to pick from. If you have things to do before leaving, take the last flight with Spirit Airlines at 11:25pm. Opt for the first LAS to SAN departure operated by Southwest Airlines at 5:55am if you'd rather not wait around.

  • To ensure you catch your flight from Las Vegas to SAN, leave plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • With more travellers during high season, it's wise to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will allow extra time for delays.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • You can find a direct flight from Las Vegas to San Diego International Airport (SAN) out of Harry Reid Airport (formerly McCarran Airport) (LAS).

  • These are some of the top carriers operating direct flights from Las Vegas to San Diego International Airport taking off from LAS:

  • The preferred airline for passengers flying between LAS and SAN is Southwest Airlines.

  • Among carriers operating on this route, Spirit Airlines leads the way for on-time arrivals.

  • Located around 19 kilometres from the centre of Las Vegas, LAS can be reached in about 15 minutes by car (depending on traffic). The journey on public transport is roughly 1 hour.

  • Catching an early flight from Las Vegas to San Diego International Airport? Avoid rushing to the terminal (and catch some extra z's) by staying at one of these stays near Harry Reid Airport (formerly McCarran Airport):

  • 82.07% of flights leaving Harry Reid Airport (formerly McCarran Airport) reach their destination on time. Given its dependable on-time performance, you're unlikely to be delayed when jetting out of LAS.

  • LAS is located at 5757 Wayne Newton Boulevard.

About San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • San Diego International Airport is about 3 kilometres from central San Diego. The time it takes to get there in a car hire or cab will depend on the time of day. Do some research before your trip.

  • It'll take around 20 minutes if you're travelling by public transport.

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

  • R 447 is currently the lowest price for a one-way ticket from Las Vegas to San Diego International Airport. A return flight starts from R 894. These fares may change based on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from Las Vegas to SAN. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely pay.

  • Affordable Las Vegas to San Diego International Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.

  • There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll let you know when a lower fare pops up on plane tickets from Las Vegas to SAN.

  • Lock in a cheap flight from Las Vegas to San Diego International Airport by using the search filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Las Vegas to San Diego International Airport (SAN)

  • It's time to work out when to book your flight from Las Vegas to San Diego International Airport (SAN). July is the peak month for travel to San Diego. If crowds aren't your thing, go in May.

  • Book a Las Vegas to SAN plane ticket departing in August if you're eager to visit the city during its warmest month. You can expect temperatures in San Diego to range from 17ºC (63ºF) to 28ºC (82ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from Las Vegas to San Diego International Airport in February when temperatures are between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in San Diego right here. Browse these hotels as soon as you've booked your flight from Las Vegas to San Diego International Airport:

  • San Diego Zoo and San Diego Balboa Park are just a couple of the top-rated attractions to add to your San Diego travel itinerary. Keep the adventure rolling by checking out USS Midway Museum.

Explore more of the United States

  • You've done San Diego, now it's time to discover more of the United States. Journey around 177 kilometres north-west to Los Angeles to check off its leading sights. From Hollywood Sign to Griffith Observatory and Hollywood Bowl, there's plenty to keep you busy.

  • If you're interested in discovering another major destination in the United States, consider Long Beach, about 145 kilometres north-west of San Diego. SkyThrills! - Fly a Real Fighter Aircraft & Become A Fighter Pilot For A Day! Long Beach, CA, Queen Mary and The Queen Mary are key highlights.

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

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