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Cheap flights from San Diego to Las Vegas from £19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Las Vegas departing on 14/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Spirit Airlines Logo
13:17 - 14:45SAN-LAS
1h 28mdirect
Spirit Airlines Logo
16:42 - 17:56LAS-SAN
1h 14mdirect
£37Spirit Airlines
Find Deal
Wed, 13 Aug - Fri, 15 Aug
Frontier Logo
06:25 - 07:54SAN-LAS
1h 29mdirect
Frontier Logo
22:01 - 23:17LAS-SAN
1h 16mdirect
£49Frontier
Find Deal
Fri, 19 Sep - Sun, 21 Sep
Southwest Logo
20:15 - 21:40SAN-LAS
1h 25mdirect
Southwest Logo
05:55 - 07:10LAS-SAN
1h 15mdirect
£73Southwest
Find Deal
Wed, 17 Sep - Fri, 19 Sep
Spirit Airlines Logo
13:17 - 14:45SAN-LAS
1h 28mdirect
Spirit Airlines Logo
06:05 - 07:21LAS-SAN
1h 16mdirect
£76Spirit Airlines
Find Deal
Sun, 31 Aug - Mon, 1 Sep
Southwest Logo
20:15 - 21:40SAN-LAS
1h 25mdirect
Southwest Logo
18:10 - 22:00LAS-SAN
3h 50m1 stop
£80Southwest
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Wed, 27 Aug - Wed, 3 Sep
Southwest Logo
13:30 - 18:15SAN-LAS
4h 45m1 stop
Southwest Logo
05:35 - 09:25LAS-SAN
3h 50m1 stop
£87Southwest
Find Deal
Tue, 19 Aug - Sun, 24 Aug
Alaska Airlines Logo
08:21 - 09:53SAN-LAS
1h 32mdirect
Alaska Airlines Logo
12:44 - 17:06LAS-SAN
4h 22m1 stop
£91Alaska Airlines
Find Deal
Mon, 8 Sep - Wed, 17 Sep
Delta Logo
19:05 - 20:32SAN-LAS
1h 27mdirect
Delta Logo
08:00 - 09:15LAS-SAN
1h 15mdirect
£93Delta
Find Deal
Mon, 29 Dec - Wed, 31 Dec
Alaska Airlines Logo
21:59 - 23:26SAN-LAS
1h 27mdirect
Alaska Airlines Logo
19:52 - 07:41LAS-SAN
11h 49m1 stop
£104Alaska Airlines
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Fri, 12 Sep - Tue, 16 Sep
Delta Logo
18:29 - 19:56SAN-LAS
1h 27mdirect
Delta Logo
08:00 - 09:13LAS-SAN
1h 13mdirect
£133Delta
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Sat, 22 Nov - Tue, 25 Nov

Southwest flights from San Diego to Las Vegas

Our best Southwest deals on San Diego to Las Vegas flight tickets
Southwest
17 Sept
SAN20:15San Diego
1h 25m
LAS21:40Las Vegas Harry Reid Intl
19 Sept
LAS05:55Las Vegas Harry Reid Intl
1h 15m
SAN07:10San Diego
£73
Find similar
Southwest
27 Aug
SAN20:15San Diego
1h 25m
LAS21:40Las Vegas Harry Reid Intl
3 Sept
LAS18:10Las Vegas Harry Reid Intl
3h 50m
1 stop
SAN22:00San Diego
£80
Find similar
Southwest
19 Aug
SAN13:30San Diego
4h 45m
1 stop
LAS18:15Las Vegas Harry Reid Intl
24 Aug
LAS05:35Las Vegas Harry Reid Intl
3h 50m
1 stop
SAN09:25San Diego
£87
Find similar

United Airlines flights from San Diego to Las Vegas

Our best United Airlines deals on San Diego to Las Vegas flight tickets
United Airlines
12 Aug
SAN20:44San Diego
3h 13m
1 stop
LAS23:57Las Vegas Harry Reid Intl
13 Aug
LAS06:00Las Vegas Harry Reid Intl
4h 12m
1 stop
SAN10:12San Diego
£114
Find similar
United Airlines
10 Aug
SAN20:44San Diego
3h 13m
1 stop
LAS23:57Las Vegas Harry Reid Intl
13 Aug
LAS06:00Las Vegas Harry Reid Intl
4h 12m
1 stop
SAN10:12San Diego
£118
Find similar
United Airlines
15 Dec
SAN07:45San Diego
4h 45m
1 stop
LAS12:30Las Vegas Harry Reid Intl
18 Dec
LAS19:45Las Vegas Harry Reid Intl
4h 30m
1 stop
SAN00:15San Diego
£125
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 30 July 2025.
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

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 13/8

13:17-14:45

Nonstop1h 28m

Las Vegas Harry Reid Intl

Fri 15/8

16:42-17:56

Nonstop1h 14m

£37

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 19/9

06:25-07:54

Nonstop1h 29m

Las Vegas Harry Reid Intl

Sun 21/9

22:01-23:17

Nonstop1h 16m

£49

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 17/9

20:15-21:40

Nonstop1h 25m

Las Vegas Harry Reid Intl

Fri 19/9

05:55-07:10

Nonstop1h 15m

£73

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 31/8

13:17-14:45

Nonstop1h 28m

Las Vegas Harry Reid Intl

Mon 1/9

06:05-07:21

Nonstop1h 16m

£76

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 27/8

20:15-21:40

Nonstop1h 25m

Las Vegas Harry Reid Intl

Wed 3/9

18:10-22:00

1 stop3h 50m

£80

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 19/8

13:30-18:15

1 stop4h 45m

Las Vegas Harry Reid Intl

Sun 24/8

05:35-09:25

1 stop3h 50m

£87

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 8/9

08:21-09:53

Nonstop1h 32m

Las Vegas Harry Reid Intl

Wed 17/9

12:44-17:06

1 stop4h 22m

£91

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 29/12

19:05-20:32

Nonstop1h 27m

Las Vegas Harry Reid Intl

Wed 31/12

08:00-09:15

Nonstop1h 15m

£93

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 12/9

21:59-23:26

Nonstop1h 27m

Las Vegas Harry Reid Intl

Tue 16/9

19:52-07:41

1 stop11h 49m

£104

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 22/11

18:29-19:56

Nonstop1h 27m

Las Vegas Harry Reid Intl

Tue 25/11

08:00-09:13

Nonstop1h 13m

£133

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from San Diego to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

In general, February is the cheapest month to fly from San Diego to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £65. If you’re not able to fly to Las Vegas in February, then August is your next best option. Flight prices from San Diego to Las Vegas during August average around £65.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart on your flight to Las Vegas is on a Friday when prices can be found for as low as £72. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £274.

What is the cheapest time of day to depart on your flight to Las Vegas?

Our data shows that the cheapest San Diego to Las Vegas flights are usually those with departure times in the afternoon. Our users have found flights to Las Vegas in the afternoon for as low as £79. Flights to Las Vegas are more costly in the evening, with an average ticket price of £134. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Diego to Las Vegas Harry Reid Intl flight route?

Fly from San Diego to Las Vegas Harry Reid Intl for the best San Diego - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £71 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from San Diego for as low as £52 on momondo.

What cabin class options are available on San Diego to Las Vegas Harry Reid Intl flights?

There are 3 cabin classes available to choose from on San Diego to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between San Diego to Las Vegas.

How have San Diego to Las Vegas flight prices changed over time?

As of July 2025, prices for San Diego to Las Vegas flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Diego to Las Vegas (SAN to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Las Vegas

Best price found

£19

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from San Diego in the past 72 hours is £19. The best return flight deal from San Diego to Las Vegas found on momondo in the last 72 hours is £37.
The fastest flight from San Diego to Las Vegas takes 1h 20m
Direct flights go from San Diego to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • How far is San Diego to Las Vegas Harry Reid Intl by plane?

    Las Vegas Harry Reid Intl is 265.1 mi away from San Diego. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from San Diego Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from San Diego Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to Las Vegas?

  • What is the most popular airline from San Diego to Las Vegas?

Best airlines flying from San Diego to Las Vegas

Compare and see reviews for airlines that fly from San Diego to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom £26Free CancellationRating
6.3
8,040 reviews
Search Spirit Airlines flights

  • Spirit Airlines Flights From San Diego to Las Vegas

    Spirit Airlines flight deals from San Diego to Las Vegas start from £35 round-trip. Over the 18 Spirit Airlines flights for this route in a normal week, average airfare is usually £52 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Paradise
Laughlin
Henderson
North Las Vegas
Needles
Mesquite
Boulder City
Furnace Creek
Mount Charleston

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Las Vegas . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to Las Vegas with flexible booking policies on momondo?

Yes. All flights to Las Vegas from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to Las Vegas?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Las Vegas from San Diego.

I’m not ready to book a flight from San Diego to Las Vegas right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Diego to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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