Route guide · 259 miles
Cheap Flights from Las Vegas to San Diego
LAS → SAN · Nonstop 1h 2m · Live round-trip fares
The run from Las Vegas (LAS) to San Diego (SAN) is 259 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 2–4 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for LAS → SAN are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 2m
Nonstop, typical
Distance
259 mi
LAS → SAN
Cheapest month
October 2026
Fares from $88
Nonstop airlines
2
Spirit Airlines, Southwest Airlines
Nonstop flights from Las Vegas to San Diego
Nonstop service links Las Vegas and San Diego directly — flights are flown by Spirit Airlines, Southwest Airlines. Expect roughly 1h 2m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: Las Vegas → San Diego
- Distance: 259 miles · nonstop flight time: 1h 2m.
- Cheapest upcoming week in the live data starts around Oct 29, with fares from $88.
- Of the months we're tracking right now, October 2026 has the lowest fares, starting at $88.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
Price trend
Cheapest departure weeks ahead
Departing around Oct 29 is currently the cheapest window — about $42 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Las Vegas → San Diego
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$88
Cheapest: Thu, Oct 29 — $88 · Priciest: Oct 20 — $157
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Las Vegas to San Diego: what you need to know
The flight
Las Vegas to San Diego is a short hop — 259 miles, about 1h 2m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
Spirit Airlines and Southwest Airlines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Las Vegas (LAS)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Las Vegas airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in San Diego (SAN)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The San Diego airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check San Diego to Las Vegas fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, October 2026 is coming in cheapest for this route, with fares from $88. As a rule, booking 2–4 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- October 2026 is currently the cheapest tracked month on this route — check those dates first if you're flexible.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
Las Vegas to San Diego flight FAQs
How long is the flight from LAS to SAN?
Plan on about 1h 2m in the air for a nonstop from Las Vegas to San Diego — the route runs roughly 259 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Las Vegas to San Diego?
Yes — look for Spirit Airlines, Southwest Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Las Vegas to San Diego?
Of the months we're tracking right now, October 2026 has the lowest fares from Las Vegas to San Diego, starting at $88. Fares update as new data comes in, so it's worth setting a free alert for your dates.
How much are last minute flights from LAS to SAN?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 2–4 weeks booking window is where the value sits.
What is a good round-trip deal from Las Vegas to San Diego?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Las Vegas to San Diego?
The main carriers on this route are Spirit Airlines, Southwest Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Las Vegas airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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