Route guide · 420 miles
Cheap Flights from San Francisco to Las Vegas
SFO → LAS · Nonstop 1h 21m · Live round-trip fares
If Las Vegas is next on your list, here's the honest picture on fares from San Francisco. The trip covers about 420 miles and takes roughly 1h 21m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for SFO → LAS are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
1h 21m
Nonstop, typical
Distance
420 mi
SFO → LAS
Cheapest month
December 2026
Fares from $37
Nonstop airlines
3
Delta Air Lines, Southwest Airlines & more
Nonstop flights from San Francisco to Las Vegas
Nonstop service links San Francisco and Las Vegas directly — flights are flown by Delta Air Lines, Southwest Airlines, Alaska Airlines. Expect roughly 1h 21m 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: San Francisco → Las Vegas
- Distance: 420 miles · nonstop flight time: 1h 21m.
- Cheapest upcoming week in the live data starts around Dec 16, with fares from $37.
- Of the months we're tracking right now, December 2026 has the lowest fares, starting at $37.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- Set a free Flyzento alert instead of checking daily — the best fares can sell out in hours.
Price trend
Cheapest departure weeks ahead
Departing around Dec 16 is currently the cheapest window — about $37 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · San Francisco → Las Vegas
December 2026
Every date's recent round-trip fare, at a glance.
Fares from
$37
Cheapest: Mon, Dec 21 — $37 · Priciest: Dec 23 — $48
Get this fare →Recent fares found for specific dates in December 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 San Francisco to Las Vegas: what you need to know
The flight
San Francisco to Las Vegas is a short hop — 420 miles, about 1h 21m 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
Delta Air Lines, Southwest Airlines and Alaska 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 San Francisco (SFO)
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 San Francisco airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Las Vegas (LAS)
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 Las Vegas airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Las Vegas to San Francisco fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, December 2026 is coming in cheapest for this route, with fares from $37. 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
- December 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.
San Francisco to Las Vegas flight FAQs
How long is the flight from SFO to LAS?
Nonstop flights from San Francisco to Las Vegas take about 1h 21m and cover roughly 420 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from San Francisco to Las Vegas?
Yes — look for Delta Air Lines, Southwest Airlines, Alaska Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from San Francisco to Las Vegas?
Of the months we're tracking right now, December 2026 has the lowest fares from San Francisco to Las Vegas, starting at $37. 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 SFO to LAS?
Last-minute flights from SFO to LAS (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from San Francisco to Las Vegas?
A good deal is anything at or below the recent fares shown above. Set a free Flyzento alert and we'll ping you the moment fares drop.
Which airlines fly from San Francisco to Las Vegas?
The main carriers on this route are Delta Air Lines, Southwest Airlines, Alaska Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to San Francisco 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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