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Cheap flights from San Diego to Las Vegas from £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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAS
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

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 April 2026.

Sat 23/522:07
SAN
-
LAS
Nonstop1h 24m
Frontier
Sat 30/519:56
LAS
-
SAN
Nonstop1h 16m
Frontier
Deal found 8/4£69
Mon 25/522:07
SAN
-
LAS
Nonstop1h 24m
Frontier
Mon 1/619:56
LAS
-
SAN
Nonstop1h 16m
Frontier
Deal found 10/4£75
Thu 21/522:07
SAN
-
LAS
Nonstop1h 24m
Frontier
Thu 28/519:56
LAS
-
SAN
Nonstop1h 16m
Frontier
Deal found 6/4£80
Wed 6/515:05
SAN
-
LAS
Nonstop1h 25m
Southwest
Wed 13/514:25
LAS
-
SAN
Nonstop1h 20m
Southwest
Deal found 7/4£87
Tue 2/606:20
SAN
-
LAS
1 stop3h 22m
United Airlines
Sat 6/617:13
LAS
-
SAN
1 stop7h 17m
United Airlines
Deal found 6/4£107
Wed 20/515:37
SAN
-
LAS
Nonstop1h 39m
Delta
Tue 26/507:00
LAS
-
SAN
1 stop3h 19m
Delta
Deal found 7/4£110
Wed 3/606:20
SAN
-
LAS
1 stop3h 22m
United Airlines
Fri 12/606:00
LAS
-
SAN
1 stop4h 08m
United Airlines
Deal found 8/4£114

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 April 2026.

Round-trip from

£69

One-way from

£44

Popular in

March

Cheapest in

August

Average price

£102

Good one-way deal

£129 or less
Frontier
  • Frontier
  • 23/5-30/5
  • Nonstop
  • 2h 40m total
  • San Diego to Las Vegas
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Delta
  • Delta
  • 6/5
  • Nonstop
  • 1h 36m total
  • San Diego to Las Vegas
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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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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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 10 April 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 return flight
Fastest return journey

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 13/5

07:25-08:45

Nonstop1h 20m

Las Vegas Harry Reid Intl

Wed 13/5

12:25-13:45

Nonstop1h 20m

£87

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 6/5

10:05-13:20

1 stop3h 15m

Las Vegas Harry Reid Intl

Wed 13/5

06:00-09:50

1 stop3h 50m

£102

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 9/6

13:50-17:50

1 stop4h 00m

Las Vegas Harry Reid Intl

Tue 16/6

05:55-09:15

1 stop3h 20m

£102

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 9/6

06:20-09:42

1 stop3h 22m

Las Vegas Harry Reid Intl

Sat 13/6

20:31-23:54

1 stop3h 23m

£107

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 13/7

10:49-14:16

1 stop3h 27m

Las Vegas Harry Reid Intl

Mon 13/7

20:31-23:54

1 stop3h 23m

£119

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 20/4

20:37-23:55

1 stop3h 18m

Las Vegas Harry Reid Intl

Thu 23/4

06:00-10:20

1 stop4h 20m

£124

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 10/7

19:41-00:46

1 stop5h 05m

Las Vegas Harry Reid Intl

Mon 13/7

20:31-23:54

1 stop3h 23m

£133

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 1/7

06:15-12:13

1 stop5h 58m

Las Vegas Harry Reid Intl

Sun 5/7

06:45-10:10

1 stop3h 25m

£139

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 13/7

16:13-17:39

Nonstop1h 26m

Las Vegas Harry Reid Intl

Mon 13/7

19:21-20:39

Nonstop1h 18m

£151

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 30/6

06:20-09:42

1 stop3h 22m

Las Vegas Harry Reid Intl

Fri 3/7

18:20-22:49

1 stop4h 29m

£157

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 22 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 return 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 return flight from San Diego to Las Vegas. Price data was last updated on 3 April 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 £28). Flying from San Diego to Las Vegas in March is currently the most expensive (average of £42). 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 April 2026.

A simple way to save on the total cost of your ticket is to fly from San Diego to Las Vegas in the afternoon. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight in the evening.

How much does it cost for a return flight 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?

    Flights from San Diego to Las Vegas Harry Reid Intl have been viewed 10 times in the past calendar month.

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

    Airlines like Southwest and United Airlines fly from San Diego to Las Vegas in about 1h 20m. The time it takes to get you to your destination can typically vary by up to 2h 02m. The distance between San Diego and Las Vegas is about 259 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider Delta (96%), Korean Air (95%) or Frontier (87%) 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?

    On average you can expect to pay £133 for a flight from San Diego to Las Vegas. The cheapest flight overall is £122 while the most popular route, (San Diego - Las Vegas Harry Reid Intl) is currently priced at £104.

  • 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 holiday 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 £28). Flying from San Diego to Las Vegas in March is currently the most expensive (average of £42). 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
Furnace Creek
Henderson

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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Diego to Las Vegas flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from San Diego to Las Vegas on Cheapflights with our Price Alert feature and get notified when better prices are available.

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