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prices we've seen · United States fares · USD

Flights from San Diego (SAN) to Las Vegas (LAS)

  • One way from $34
  • Round trip from $137
  • Nonstop on 8 of 8 dates
  • Fastest 1h 21m
  • 3 airlines

The cheapest one-way fare from San Diego (SAN) to Las Vegas (LAS) we have seen is $34 USD, departing Dec 25, 2026 (seen Nov 10, 2026): Frontier F9 1470, nonstop, 1h 21m.

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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$115
  2. Dec 2026$34
  3. Jan 2027—
  4. Feb 2027$35

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. FriDec 25

    13:24

    1h 21mNonstop

    14:45

    Cheapest$34 USD

    Frontier F9 1470 · seen Nov 10

    Go to seller — $34

  2. ThuDec 31

    19:53

    1h 29mNonstop

    21:22

    $41 USD

    Frontier F9 1326 · seen Nov 10

    Go to seller — $41

  3. SunDec 27

    21:55

    1h 25mNonstop

    23:20

    $65 USD

    Southwest Airlines WN 2136 · seen Nov 10

    Go to seller — $65

  4. SatDec 26

    22:50

    1h 25mNonstop

    00:15+1

    $65 USD

    Southwest Airlines WN 4298 · seen Nov 10

    Go to seller — $65

  5. TueNov 24

    22:29

    1h 25mNonstop

    23:54

    $115 USD

    Alaska Airlines AS 2327 · seen Nov 10

    Go to seller — $115

  6. FriNov 27

    08:50

    1h 29mNonstop

    10:19

    $116 USD

    Frontier F9 1466 · seen Nov 10

    Go to seller — $116

  7. WedNov 18

    06:25

    7h 48m1 stop

    14:13

    $138 USD

    Frontier F9 2818 · seen Nov 8

    Go to seller — $138

  8. ThuNov 19

    20:20

    1h 33mNonstop

    21:53

    $153 USD

    Frontier F9 1326 · seen Nov 9

    Go to seller — $153

  9. WedNov 18

    08:20

    1h 31mNonstop

    09:51

    $209 USD

    Alaska Airlines AS 2282 · seen Nov 8

    Go to seller — $209

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. Same dayDec 25

    13:24

    14:45

    Cheapest$99 USD

    Frontier F9 1470 · Nonstop · 2h 55m in all, both ways · seen Nov 10

    Go to seller — $99

  2. 5 nightsNov 26 – Dec 1

    08:50

    10:19

    $137 USD

    Frontier F9 1326 · Nonstop · 2h 51m in all, both ways · seen Nov 10

    Go to seller — $137

  3. 4 nightsNov 26–30

    08:50

    10:19

    $263 USD

    Frontier F9 1326 · Nonstop · 2h 53m in all, both ways · seen Nov 10

    Go to seller — $263

  4. Same dayNov 20

    08:00

    LAS

    $290 USD

    Alaska Airlines AS 2250 · 1 stop · 8h 52m in all, both ways · seen Nov 7

    Go to seller — $290

  5. Same dayNov 24

    08:50

    10:19

    $309 USD

    Frontier F9 1326 · Nonstop · 2h 49m in all, both ways · seen Nov 7

    Go to seller — $309

  6. 3 nightsNov 26–29

    11:26

    13:01

    $338 USD

    Frontier F9 1466 · Nonstop · 2h 59m in all, both ways · seen Nov 10

    Go to seller — $338

  7. Same dayNov 20

    08:50

    10:19

    $388 USD

    Frontier F9 1466 · Nonstop · 2h 44m in all, both ways · seen Nov 7

    Go to seller — $388

Compare other routes

Compared with San Diego → Las Vegas: $34 one way (Dec 25).

Other places from San Diego

Every route from San Diego →

To Las Vegas from other cities

Every route to Las Vegas →

Airlines seen on this route

  • Alaska Airlines
  • Frontier
  • Southwest Airlines

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

San Diego to Las Vegas in numbers

  • By month, Dec 2026 is the cheapest we've seen at $34 USD and Nov 2026 the most expensive at $115 USD — a spread of 238%.
  • Nonstop fares were seen on 8 of the 8 departure dates; carriers seen: Alaska Airlines, Frontier, Southwest Airlines.
  • SAN serves San Diego, United States; LAS serves Las Vegas, United States.
  • San Diego and Las Vegas keep the same clock.

Questions

What is the cheapest fare from San Diego (SAN) to Las Vegas (LAS)?

The cheapest one-way fare from San Diego (SAN) to Las Vegas (LAS) we have seen is $34 USD, departing Dec 25, 2026 (seen Nov 10, 2026): Frontier F9 1470, nonstop, 1h 21m.

Is there a nonstop flight from San Diego (SAN) to Las Vegas (LAS)?

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

Which month is cheapest to fly from San Diego (SAN) to Las Vegas (LAS)?

By month, Dec 2026 is the cheapest we've seen at $34 USD and Nov 2026 the most expensive at $115 USD — a spread of 238%.

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.