Skip to content

prices we've seen · United States fares · USD

Flights from Las Vegas (LAS) to San Francisco (SFO)

  • One way from $36
  • Round trip from $99
  • Nonstop on 8 of 8 dates
  • Fastest 1h 39m
  • 2 airlines

The cheapest one-way fare from Las Vegas (LAS) to San Francisco (SFO) we have seen is $36 USD, departing Dec 22, 2026 (seen Nov 10, 2026): Frontier F9 3801, nonstop, 1h 49m.

Search flights

Depart
More options
See more dates →

Leave your email and we'll write on any day the fare is at or under your price — at most once a day. We'll send a link to confirm your address first. Without an email, it's still saved in My watches.

Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Nov 11

Pick a month to search the day its cheapest fare leaves.

  1. Nov 2026$104
  2. Dec 2026$36
  3. Jan 2027$41
  4. Feb 2027$98
  5. Mar 2027$46
  6. Apr 2027—
  7. May 2027—
  8. Jun 2027$152
  9. Jul 2027$154

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. TueDec 22

    09:55

    1h 49mNonstop

    11:44

    Cheapest$36 USD

    Frontier F9 3801 · seen Nov 10

  2. SatDec 19

    14:39

    1h 43mNonstop

    16:22

    $38 USD

    Frontier F9 4401 · seen Nov 10

  3. ThuJan 7

    20:50

    1h 47mNonstop

    22:37

    $41 USD

    Frontier F9 4157 · seen Nov 5

  4. ThuDec 31

    06:00

    1h 39mNonstop

    07:39

    $42 USD

    Frontier F9 3019 · seen Nov 5

  5. WedDec 30

    05:12

    1h 45mNonstop

    06:57

    $43 USD

    Frontier F9 3019 · seen Nov 6

  6. WedNov 25

    09:13

    1h 48mNonstop

    11:01

    $104 USD

    Frontier F9 3801 · seen Nov 7

  7. ThuNov 19

    06:30

    1h 49mNonstop

    08:19

    $120 USD

    Frontier F9 3019 · seen Nov 7

  8. FriNov 20

    12:44

    1h 50mNonstop

    14:34

    $136 USD

    Frontier F9 4401 · seen Nov 9

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 2 nightsJan 6–8

    20:50

    22:37

    Cheapest$64 USD

    Frontier F9 4157 · Nonstop · 3h 21m in all, both ways · seen Nov 6

  2. 3 nightsDec 24–27

    06:00

    07:39

    $99 USD

    Frontier F9 3019 · Nonstop · 3h 22m in all, both ways · seen Nov 7

  3. 3 nightsDec 17–20

    14:39

    16:22

    $99 USD

    Frontier F9 4401 · Nonstop · 3h 27m in all, both ways · seen Nov 6

  4. 4 nightsDec 23–27

    05:12

    06:57

    $104 USD

    Frontier F9 3019 · Nonstop · 3h 28m in all, both ways · seen Nov 4

  5. 4 nightsNov 25–29

    09:13

    11:01

    $194 USD

    Frontier F9 3801 · Nonstop · 3h 26m in all, both ways · seen Nov 7

  6. 1 nightNov 19–20

    10:32

    12:16

    $259 USD

    Alaska Airlines AS 613 · Nonstop · 3h 21m in all, both ways · seen Nov 7

Compared with Las Vegas → San Francisco: $36 one way (Dec 22).

Airlines seen on this route

  • Alaska Airlines
  • Frontier

Marketing carriers; the operating airline is shown by the seller.

Las Vegas to San Francisco in numbers

  • By month, Dec 2026 is the cheapest we've seen at $36 USD and Jul 2027 the most expensive at $154 USD — a spread of 328%.
  • Nonstop fares were seen on 8 of the 8 departure dates; carriers seen: Alaska Airlines, Frontier.
  • LAS serves Las Vegas, United States; SFO serves San Francisco, United States.
  • Las Vegas and San Francisco keep the same clock.

Questions

What is the cheapest fare from Las Vegas (LAS) to San Francisco (SFO)?

The cheapest one-way fare from Las Vegas (LAS) to San Francisco (SFO) we have seen is $36 USD, departing Dec 22, 2026 (seen Nov 10, 2026): Frontier F9 3801, nonstop, 1h 49m.

Is there a nonstop flight from Las Vegas (LAS) to San Francisco (SFO)?

Nonstop fares were seen on 8 of the 8 departure dates; carriers seen: Alaska Airlines, Frontier.

Which month is cheapest to fly from Las Vegas (LAS) to San Francisco (SFO)?

By month, Dec 2026 is the cheapest we've seen at $36 USD and Jul 2027 the most expensive at $154 USD — a spread of 328%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.