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Cheap flights from San Diego to Las Vegas from C$ 44

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Diego to Las Vegas Harry Reid Intl are usually found in February or January, booked 29 days in advance, depart on a Monday or Thursday 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 11 September 2025.

Round-trip from

C$ 89

One-way from

C$ 44

Popular in

December

Cheapest in

February

Average price

C$ 127

Good one-way deal

C$ 75 or less
Southwest
  • Southwest
  • 8/10-15/10
  • Nonstop
  • 2h 40m total
  • San Diego to Las Vegas
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Southwest
  • Southwest
  • 2/12
  • Nonstop
  • 1h 20m total
  • San Diego to Las Vegas
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from San Diego to Las Vegas Harry Reid Intl.
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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 11 September 2025.

Wed 8/106:25 a.m.SAN - LAS
Nonstop1h 25mSouthwest
Wed 15/106:50 p.m.LAS - SAN
Nonstop1h 15mSouthwest
Deal found 11/9C$ 89
Tue 28/107:25 a.m.SAN - LAS
Nonstop1h 30mSouthwest
Thu 30/107:55 p.m.LAS - SAN
Nonstop1h 10mSouthwest
Deal found 10/9C$ 98
Sat 11/108:35 p.m.SAN - LAS
Nonstop1h 30mSouthwest
Tue 14/105:10 p.m.LAS - SAN
Nonstop1h 15mSouthwest
Deal found 9/9C$ 101
Wed 1/106:30 a.m.SAN - LAS
1 stop4h 25mSouthwest
Wed 8/109:10 a.m.LAS - SAN
Nonstop1h 15mSouthwest
Deal found 9/9C$ 103
Thu 11/96:15 a.m.SAN - LAS
Nonstop1h 25mSpirit Airlines
Thu 18/96:05 a.m.LAS - SAN
Nonstop1h 24mSpirit Airlines
Deal found 10/9C$ 105
Mon 6/104:15 p.m.SAN - LAS
Nonstop1h 20mSouthwest
Thu 9/107:40 a.m.LAS - SAN
Nonstop1h 15mSouthwest
Deal found 9/9C$ 107
Sat 11/106:29 p.m.SAN - LAS
Nonstop1h 29mDelta
Wed 15/108:50 a.m.LAS - SAN
Nonstop1h 26mDelta
Deal found 10/9C$ 109
Tue 21/106:20 a.m.SAN - LAS
1 stop4h 10mSouthwest
Thu 23/107:55 p.m.LAS - SAN
Nonstop1h 10mSouthwest
Deal found 9/9C$ 111
Sat 11/106:29 p.m.SAN - LAS
Nonstop1h 29mDelta
Fri 17/104:30 p.m.LAS - SAN
Nonstop1h 18mDelta
Deal found 10/9C$ 112
Sat 18/108:35 p.m.SAN - LAS
Nonstop1h 30mSouthwest
Tue 21/1010:45 a.m.LAS - SAN
1 stop3h 35mSouthwest
Deal found 10/9C$ 115
Wed 1/102:05 p.m.SAN - LAS
Nonstop1h 25mSouthwest
Fri 3/107:55 p.m.LAS - SAN
1 stop3h 20mSouthwest
Deal found 10/9C$ 116

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 11 September 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 3/12

4:00 p.m.-5:20 p.m.

Nonstop1h 20m

Las Vegas Harry Reid Intl

Sat 6/12

5:40 p.m.-6:50 p.m.

Nonstop1h 10m

C$ 101

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 14/10

6:25 a.m.-7:50 a.m.

Nonstop1h 25m

Las Vegas Harry Reid Intl

Tue 21/10

10:45 a.m.-2:20 p.m.

1 stop3h 35m

C$ 103

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 7/10

3:20 p.m.-7:10 p.m.

1 stop3h 50m

Las Vegas Harry Reid Intl

Wed 8/10

7:05 a.m.-8:20 a.m.

Nonstop1h 15m

C$ 103

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 8/10

6:29 p.m.-7:58 p.m.

Nonstop1h 29m

Las Vegas Harry Reid Intl

Wed 15/10

8:50 a.m.-10:16 a.m.

Nonstop1h 26m

C$ 107

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 17/11

6:35 p.m.-8:08 p.m.

Nonstop1h 33m

Las Vegas Harry Reid Intl

Tue 18/11

8:50 a.m.-10:11 a.m.

Nonstop1h 21m

C$ 109

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 30/9

6:30 a.m.-10:55 a.m.

1 stop4h 25m

Las Vegas Harry Reid Intl

Sat 4/10

7:50 a.m.-9:10 a.m.

Nonstop1h 20m

C$ 115

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 21/10

3:59 p.m.-8:13 p.m.

1 stop4h 14m

Las Vegas Harry Reid Intl

Wed 22/10

4:30 p.m.-5:48 p.m.

Nonstop1h 18m

C$ 121

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 3/11

4:00 p.m.-5:20 p.m.

Nonstop1h 20m

Las Vegas Harry Reid Intl

Thu 6/11

6:45 a.m.-10:25 a.m.

1 stop3h 40m

C$ 121

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 19/10

8:50 p.m.-10:15 p.m.

Nonstop1h 25m

Las Vegas Harry Reid Intl

Tue 21/10

1:35 p.m.-4:40 p.m.

1 stop3h 05m

C$ 121

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 5/10

7:55 p.m.-9:20 p.m.

Nonstop1h 25m

Las Vegas Harry Reid Intl

Tue 7/10

5:25 a.m.-9:55 a.m.

1 stop4h 30m

C$ 121

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 21 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 29 August 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 29 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$ 291). 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 11 September 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 28% on airfare.

How much does it cost to fly round-trip from San Diego to Las Vegas?

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?

    This flight path from San Diego to Las Vegas Harry Reid Intl was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from San Diego to Las Vegas can take about 1h 20m. Southwest provides one of the quickest options available for as low as C$ 101. Airlines will cover a distance of 417 km. All flights are typically direct.

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

    Consider Korean Air (82%), Spirit Airlines (80%) or Delta (80%) 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$ 65. On average you can expect to pay C$ 79. The most popular route, (San Diego - Las Vegas Harry Reid Intl), can usually be booked for C$ 141.

  • 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$ 291). 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
Henderson
Boulder City
North Las Vegas
Paradise

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