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Cheap flights from San Diego to Las Vegas from C$ 70

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAS
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from San Diego to Las Vegas Harry Reid Intl are usually found in July or September, booked 35 days in advance, depart on a Friday or Monday and return on a Monday

Cheap 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 25 March 2025.

Round-trip from

C$ 139

One-way from

C$ 70

Popular in

December

Cheapest in

July

Average price

C$ 140

Good one-way deal

C$ 154 or less
Southwest
  • Southwest
  • 16/5-20/5
  • Nonstop
  • 2h 35m total
  • San Diego to Las Vegas
Southwest
  • Southwest
  • 23/5
  • Nonstop
  • 1h 20m total
  • San Diego to Las Vegas
Highest demand for flights based on searches. 2% potential increase in price (C$ 4 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 3 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a one-way flight from San Diego to Las Vegas Harry Reid Intl.

Find flight deals from San Diego to Las Vegas

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 25 March 2025.

Tue 1/48:07 p.m.SAN - LAS
Nonstop1h 21mSpirit Airlines
Sat 5/46:26 a.m.LAS - SAN
Nonstop1h 15mSpirit Airlines
Deal found 24/3C$ 93
Sat 28/61:07 p.m.SAN - LAS
Nonstop1h 27mDelta
Sun 29/67:05 a.m.LAS - SAN
Nonstop1h 13mDelta
Deal found 24/3C$ 139
Sat 16/86:57 p.m.SAN - LAS
Nonstop1h 26mHawaiian Airlines
Sun 17/87:00 a.m.LAS - SAN
Nonstop1h 21mHawaiian Airlines
Deal found 24/3C$ 160
Thu 17/46:30 a.m.SAN - LAS
1 stop3h 55mSouthwest
Sun 20/47:45 a.m.LAS - SAN
1 stop3h 55mSouthwest
Deal found 25/3C$ 166
Thu 10/42:41 p.m.SAN - LAS
Nonstop1h 29mAlaska Airlines
Sun 13/47:06 a.m.LAS - SAN
Nonstop1h 14mAlaska Airlines
Deal found 25/3C$ 196
Tue 1/43:29 p.m.SAN - LAS
1 stop6h 53mMultiple Airlines
Sat 5/49:20 p.m.LAS - SAN
1 stop10h 19mMultiple Airlines
Deal found 24/3C$ 219
Tue 13/57:40 p.m.SAN - LAS
1 stop5h 19mUnited Airlines
Fri 16/56:51 p.m.LAS - SAN
1 stop5h 08mUnited Airlines
Deal found 24/3C$ 225
Wed 21/56:25 a.m.SAN - LAS
Nonstop1h 30mFrontier
Thu 22/512:59 a.m.LAS - SAN
1 stop8h 56mFrontier
Deal found 24/3C$ 357

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 25 March 2025.
Use the filters below to find and compare flights from San Diego to Las Vegas that are best for you.

Fly from

San Diego

Fly to

Las Vegas

Route

Depart

Return

Price

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 21/5

8:08 a.m.-9:26 a.m.

Nonstop1h 18m

Las Vegas Harry Reid Intl

Fri 23/5

6:00 a.m.-7:13 a.m.

Nonstop1h 13m

C$ 93

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 28/6

1:07 p.m.-2:34 p.m.

Nonstop1h 27m

Las Vegas Harry Reid Intl

Sun 29/6

7:05 a.m.-8:18 a.m.

Nonstop1h 13m

C$ 139

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 16/8

6:57 p.m.-8:23 p.m.

Nonstop1h 26m

Las Vegas Harry Reid Intl

Sun 17/8

7:00 a.m.-8:21 a.m.

Nonstop1h 21m

C$ 160

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 17/4

6:30 a.m.-10:25 a.m.

1 stop3h 55m

Las Vegas Harry Reid Intl

Sun 20/4

7:45 a.m.-11:40 a.m.

1 stop3h 55m

C$ 166

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 10/4

2:41 p.m.-4:10 p.m.

Nonstop1h 29m

Las Vegas Harry Reid Intl

Sun 13/4

7:06 a.m.-8:20 a.m.

Nonstop1h 14m

C$ 196

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 13/5

7:40 p.m.-12:59 a.m.

1 stop5h 19m

Las Vegas Harry Reid Intl

Fri 16/5

6:51 p.m.-11:59 p.m.

1 stop5h 08m

C$ 225

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 21/5

6:25 a.m.-7:55 a.m.

Nonstop1h 30m

Las Vegas Harry Reid Intl

Thu 22/5

12:59 a.m.-9:55 a.m.

1 stop8h 56m

C$ 357

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 16/4

6:15 a.m.-4:16 p.m.

2 stops10h 01m

Las Vegas Harry Reid Intl

Thu 17/4

6:00 a.m.-1:46 p.m.

2 stops7h 46m

C$ 1,079

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 23/5

9:55 p.m.-11:15 p.m.

Nonstop1h 20m

C$ 70

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 16/5

9:07 p.m.-10:30 p.m.

Nonstop1h 23m

C$ 85

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 13 results
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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 21 March 2025.

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 35 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, January is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of C$ 212). Flying from San Diego to Las Vegas in August is currently the most expensive (average of C$ 311). 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 25 March 2025.

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 afternoon could potentially save you up to 44% on airfare.

Weekly flight availability from San Diego to Las Vegas

Explore weekly flight availability from San Diego to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 March 2025.

The most flights from SAN to LAS are scheduled on a Friday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 25 March 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to Las Vegas to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
  • What airports do I use to fly from San Diego to Las Vegas?

    Booking a flight from San Diego (SAN) to Las Vegas Harry Reid Intl (LAS) is your only option if you wish to fly from San Diego to Las Vegas. On a typical day, there are 24 flights from San Diego to Harry Reid Intl, all of which are around 1h 22m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Diego to Las Vegas.

  • How popular is this San Diego to Las Vegas flight route?

  • What are the cheapest airlines flying from San Diego to Las Vegas round-trip?

    Cheapflights users have booked flights from San Diego to Las Vegas round-trip from C$ 139. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from C$ 160, and Delta, from C$ 168.

  • 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 Southwest (C$ 70), Hawaiian Airlines (C$ 85), and Alaska Airlines (C$ 110).

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

    Consider Spirit Airlines (88%), Southwest (78%) or Aeromexico (77%) when booking your flight. These represent the most reliable airlines when flying from San Diego to Las Vegas.

  • What are the cheapest flights from San Diego to Las Vegas?

    The cheapest flight price from San Diego to Las Vegas is C$ 66. On average you can expect to pay C$ 258. The most popular route, (San Diego - Las Vegas Harry Reid Intl), can usually be booked for C$ 116.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of C$ 212). Flying from San Diego to Las Vegas in August is currently the most expensive (average of C$ 311). 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 San Diego?

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

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Alternative routes for San Diego to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Diego to Las Vegas

Discover the top airline that operate flights from San Diego to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 48AverageC$ 102FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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Can Cheapflights find flights from San Diego to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Diego to Las Vegas become cheaper?

Of course! You can now track prices for flights from San Diego to Las Vegas and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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