San Diego to Las Vegas flights
The cheapest round trip we found from San Diego to Las Vegas is $161 (Dec 18 – 20, Nonstop), 8% below the usual $175.
SAN to LAS · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $220 |
| December 2026 | $161 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | $346 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 18 – 20 2 nights · leave Fri$161 −8% vs usual$161 −8% vs usual Book
Southwest Airlines Nonstop · 1h 25m -
Dec 18 – 21 3 nights · leave Fri$164 −6% vs usual$164 −6% vs usual Book
Southwest Airlines Nonstop · 1h 25m
-
Nov 26 – Dec 1 5 nights · leave Thu$220 +26% vs usual$220 +26% vs usual Book
Frontier Airlines 1 stop · 1h 29m -
Nov 25 – 28 3 nights · leave Wed$270 +54% vs usual$270 +54% vs usual Book
Southwest Airlines Nonstop · 1h 20m
-
Nov 29 – Dec 2 3 nights · leave Sun$292 +67% vs usual$292 +67% vs usual Book
Frontier Airlines 1 stop · 1h 29m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Las Vegas
One Go City pass for High Roller observation wheel, The STRAT tower, The Mob Museum and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 2–5 days from $169 See pass
- Explorer Pass Pick 3–7 of 45 attractions from $99 See pass
- Essentials Pass A few top attractions, chosen as you go from $79 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Las Vegas · Dec 18 – 20Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from San Diego
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Flights to Las Vegas from other cities
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San Diego to Las Vegas: questions
How much does a flight from San Diego to Las Vegas cost?
The cheapest round trip we have found right now is $161, leaving December 18 and returning December 20. The usual price on this route is about $175, so this fare is 8% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Diego to Las Vegas?
December 2026, with round trips from $161. The most expensive month in our data is May (from $346). Based on the 3 months ahead we have prices for.
Which airports do San Diego to Las Vegas flights use?
San Diego airports include San Diego International (SAN) and McClellan-Palomar (CLD). Las Vegas airports include McCarran International (LAS). The prices on this page cover every airport in both cities (SAN and LAS are the city codes).
About this route
We track round-trip economy fares from San Diego (United States) to Las Vegas (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $161, departing December 18 and returning December 20 on a nonstop flight, about 8% below the usual $175. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $161. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.