Cheap flights from San Diego to Las Vegas from C$ 53

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAS
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Diego to Las Vegas Harry Reid Intl are usually found in August or May, booked 40 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from San Diego to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to Las Vegas
Explore the most affordable flight options available from San Diego to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Wed 13/57:25 a.m.
SAN
-
LAS
Nonstop1h 20m
Southwest
Wed 20/57:50 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Deal found 10/3C$ 110
Tue 7/43:34 p.m.
SAN
-
LAS
Nonstop1h 36m
Delta
Tue 14/412:59 p.m.
LAS
-
SAN
Nonstop1h 22m
Delta
Deal found 10/3C$ 132
Wed 1/47:35 p.m.
SAN
-
LAS
1 stop3h 37m
Delta
Tue 7/412:55 p.m.
LAS
-
SAN
Nonstop1h 20m
Delta
Deal found 9/3C$ 145
Thu 2/49:02 p.m.
SAN
-
LAS
Nonstop1h 26m
Frontier
Mon 6/43:04 p.m.
LAS
-
SAN
Nonstop1h 21m
Frontier
Deal found 5/3C$ 157
Wed 1/49:55 p.m.
SAN
-
LAS
Nonstop1h 30m
Southwest
Fri 3/410:10 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Deal found 8/3C$ 172
Wed 1/47:45 p.m.
SAN
-
LAS
Nonstop1h 30m
Southwest
Sat 4/46:35 a.m.
LAS
-
SAN
Nonstop1h 15m
Southwest
Deal found 9/3C$ 182
Tue 31/37:45 p.m.
SAN
-
LAS
Nonstop1h 30m
Southwest
Fri 3/49:00 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Deal found 9/3C$ 186

Find flight deals from San Diego to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 March 2026.

Round-trip from

C$ 110

One-way from

C$ 53

Popular in

December

Cheapest in

August

Average price

C$ 172
Southwest
  • Southwest
  • 13/5-20/5
  • Nonstop
  • 2h 30m total
  • San Diego to Las Vegas
Frontier
  • Frontier
  • 27/7
  • Nonstop
  • 1h 33m total
  • San Diego to Las Vegas
Highest demand for flights based on searches. 19% potential increase in price (C$ 53 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from San Diego to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 30/3

7:35 p.m.-11:12 p.m.

1 stop3h 37m

Las Vegas Harry Reid Intl

Wed 1/4

5:56 p.m.-11:14 p.m.

1 stop5h 18m

C$ 213

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 27/4

7:45 p.m.-11:06 p.m.

1 stop3h 21m

Las Vegas Harry Reid Intl

Tue 28/4

6:55 p.m.-10:36 p.m.

1 stop3h 41m

C$ 213

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 30/3

8:39 p.m.-11:55 p.m.

1 stop3h 16m

Las Vegas Harry Reid Intl

Tue 31/3

10:59 a.m.-3:39 p.m.

1 stop4h 40m

C$ 233

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 28/3

6:15 a.m.-12:20 p.m.

1 stop6h 05m

Las Vegas Harry Reid Intl

Mon 30/3

7:04 p.m.-11:59 p.m.

1 stop4h 55m

C$ 240

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 23/3

7:35 p.m.-11:12 p.m.

1 stop3h 37m

Las Vegas Harry Reid Intl

Tue 24/3

5:56 p.m.-11:14 p.m.

1 stop5h 18m

C$ 240

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 23/3

7:35 p.m.-11:12 p.m.

1 stop3h 37m

Las Vegas Harry Reid Intl

Thu 26/3

7:32 p.m.-8:46 p.m.

Nonstop1h 14m

C$ 240

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 2/4

7:35 p.m.-11:12 p.m.

1 stop3h 37m

Las Vegas Harry Reid Intl

Mon 6/4

6:08 a.m.-9:55 a.m.

1 stop3h 47m

C$ 259

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 10/7

7:30 p.m.-10:44 p.m.

1 stop3h 14m

Las Vegas Harry Reid Intl

Sun 12/7

7:00 a.m.-10:27 a.m.

1 stop3h 27m

C$ 267

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 16/7

7:30 p.m.-10:44 p.m.

1 stop3h 14m

Las Vegas Harry Reid Intl

Sat 18/7

7:00 a.m.-10:27 a.m.

1 stop3h 27m

C$ 267

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 21/3

7:40 a.m.-9:16 a.m.

Nonstop1h 36m

Las Vegas Harry Reid Intl

Mon 23/3

6:08 a.m.-9:07 a.m.

1 stop2h 59m

C$ 281

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from San Diego to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Las Vegas

How far ahead should I book a flight from San Diego to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Las Vegas. Price data was last updated on 6 March 2026.

The price you pay for your flight from San Diego to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Las Vegas?

Currently, September is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of C$ 50). Flying from San Diego to Las Vegas in January is currently the most expensive (average of C$ 66). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to LAS?

Find hourly flight availability from San Diego to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 March 2026.

One of the essential ways to save on airfare from San Diego to Las Vegas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 85% on airfare.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this San Diego to Las Vegas flight route?

  • How long is the flight from San Diego to Las Vegas?

    A quick flight from San Diego to Las Vegas can take about 1h 25m. Delta provides one of the quickest options available for as low as C$ 227. Airlines will cover a distance of 417 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Diego to Las Vegas one-way?

    The cheapest airlines for a one-way flight from San Diego to Las Vegas are Frontier (C$ 37), Southwest (C$ 43), and Alaska Airlines (C$ 55).

  • What are the most reliable airlines from San Diego to Las Vegas?

    Consider Korean Air (89%), SkyWest Airlines (76%) or Hawaiian Airlines (72%) when booking your flight. These represent the most reliable airlines when flying from San Diego to Las Vegas.

  • Can I find deals for flights from San Diego to Las Vegas that include hotel bookings?

    Yes. In addition to deals on San Diego to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Las Vegas.

  • Can I find deals for business class flights from San Diego to Las Vegas?

    Yes. Cheapflights offers flight deals from San Diego to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Las Vegas?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of C$ 50). Flying from San Diego to Las Vegas in January is currently the most expensive (average of C$ 66). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Boulder City
Henderson
North Las Vegas
Paradise

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