Cheap flights from San Diego to Las Vegas from £22

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAS
25 Aug — 1 Sep1
1 adult

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 Thursday or Friday and return on a Wednesday

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 20 August 2025.

Round-trip from

£44

One-way from

£22

Popular in

July

Cheapest in

February

Average price

£69

Good round-trip deal

£38 or less
Spirit Airlines
  • Spirit Airlines
  • 11/9-16/9
  • Nonstop
  • 2h 44m total
  • San Diego to Las Vegas
Spirit Airlines
  • Spirit Airlines
  • 18/11
  • Nonstop
  • 1h 24m total
  • San Diego to Las Vegas
Highest demand for flights based on searches. 2% potential increase in price (£1 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£1 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip 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 20 August 2025.

Thu 11/919:47SAN - LAS
Nonstop1h 24mSpirit Airlines
Tue 16/922:14LAS - SAN
Nonstop1h 20mSpirit Airlines
Deal found 17/8£44
Sun 19/1006:25SAN - LAS
Nonstop1h 27mFrontier
Sun 19/1021:46LAS - SAN
Nonstop1h 18mFrontier
Deal found 16/8£48
Mon 15/908:24SAN - LAS
1 stop7h 45mSpirit Airlines
Mon 22/917:14LAS - SAN
Nonstop1h 28mSpirit Airlines
Deal found 16/8£59
Tue 16/913:35SAN - LAS
Nonstop1h 25mSpirit Airlines
Tue 23/921:58LAS - SAN
1 stop14h 42mSpirit Airlines
Deal found 18/8£64
Sat 22/1118:29SAN - LAS
Nonstop1h 27mDelta
Tue 25/1115:00LAS - SAN
Nonstop1h 16mDelta
Deal found 17/8£72
Thu 11/911:28SAN - LAS
1 stop7h 21mMultiple Airlines
Tue 16/922:14LAS - SAN
Nonstop1h 20mMultiple Airlines
Deal found 17/8£76
Fri 14/1120:25SAN - LAS
Nonstop1h 25mSouthwest
Sun 16/1105:50LAS - SAN
1 stop3h 35mSouthwest
Deal found 19/8£79
Fri 24/1021:59SAN - LAS
Nonstop1h 28mAlaska Airlines
Tue 28/1007:25LAS - SAN
Nonstop1h 15mAlaska Airlines
Deal found 18/8£83
Thu 11/908:00SAN - LAS
1 stop3h 30mSouthwest
Tue 16/906:55LAS - SAN
1 stop4h 30mSouthwest
Deal found 17/8£86
Wed 5/1117:00SAN - LAS
Nonstop1h 31mAlaska Airlines
Sat 8/1117:40LAS - SAN
Nonstop1h 28mAlaska Airlines
Deal found 19/8£87
Thu 4/917:15SAN - LAS
Nonstop1h 28mDelta
Mon 8/908:00LAS - SAN
Nonstop1h 20mDelta
Deal found 18/8£87

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 20 August 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

Thu 11/9

19:47-21:11

Nonstop1h 24m

Las Vegas Harry Reid Intl

Tue 16/9

22:14-23:34

Nonstop1h 20m

£44

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 25/9

19:47-21:11

Nonstop1h 24m

Las Vegas Harry Reid Intl

Sat 27/9

22:14-23:34

Nonstop1h 20m

£44

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 19/10

06:25-07:52

Nonstop1h 27m

Las Vegas Harry Reid Intl

Sun 19/10

21:46-23:04

Nonstop1h 18m

£48

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 15/9

08:24-16:09

1 stop7h 45m

Las Vegas Harry Reid Intl

Mon 22/9

17:14-18:42

Nonstop1h 28m

£59

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 16/9

13:35-15:00

Nonstop1h 25m

Las Vegas Harry Reid Intl

Tue 23/9

21:58-12:40

1 stop14h 42m

£64

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 18/12

06:40-08:10

Nonstop1h 30m

Las Vegas Harry Reid Intl

Mon 5/1

22:10-23:20

Nonstop1h 10m

£72

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 11/11

10:59-12:28

Nonstop1h 29m

Las Vegas Harry Reid Intl

Tue 11/11

16:30-17:46

Nonstop1h 16m

£72

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 20/9

15:35-17:00

Nonstop1h 25m

Las Vegas Harry Reid Intl

Sun 21/9

05:55-07:10

Nonstop1h 15m

£72

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 11/2

18:10-19:38

Nonstop1h 28m

Las Vegas Harry Reid Intl

Sat 14/2

08:50-10:05

Nonstop1h 15m

£72

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

15:00-16:16

Nonstop1h 16m

£72

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 15 results
1
2

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 8 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 £689). Flying from San Diego to Las Vegas in July is currently the most expensive (average of £1,020). 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 20 August 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Las Vegas at midday. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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 20 August 2025.
Check out reviews from past customers who have flown with Spirit Airlines from San Diego to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

6.6

Crew

7.0

Food

5.1

Comfort

5.9

Overall

6.3

Entertainment

5.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

DTW - LAS

About the same as any other airline. Check in boarding was okay. Seats were tight & uncomfortable. Brand new luggage was damaged & can no longer be used. Waited for 45 minutes to get our luggage when we returned back home

Boarding

6.6

Crew

7.0

Food

5.1

Comfort

5.9

Overall

6.3

Entertainment

5.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

DTW - LAS

About the same as any other airline. Check in boarding was okay. Seats were tight & uncomfortable. Brand new luggage was damaged & can no longer be used. Waited for 45 minutes to get our luggage when we returned back home

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?

    Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from San Diego. Booking flights from San Diego (SAN) to Harry Reid Intl (LAS) should be relatively easy as there are 17 daily flights to Las Vegas from 1 airline. 1h 24m is how long a flight from San Diego to Las Vegas Harry Reid Intl will take if you book a nonstop flight.

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

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

    Airlines like Spirit Airlines and Frontier fly from San Diego to Las Vegas in about 1h 24m. The time it takes to get you to your destination is usually consistent. The distance between San Diego and Las Vegas is about 259 mi. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from San Diego to Las Vegas round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Las Vegas, with prices starting at £26. This flight start at 63% lower than the current average price 3 months from now.

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

    Consider Spirit Airlines (83%), Korean Air (79%) or Delta (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?

    On average you can expect to pay £123 for a flight from San Diego to Las Vegas. The cheapest flight overall is £26 while the most popular route, (San Diego - Las Vegas Harry Reid Intl) is currently priced at £44.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Las Vegas (average of £689). Flying from San Diego to Las Vegas in July is currently the most expensive (average of £1,020). 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
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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 858,174 searches. Data last updated 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£26Average£39FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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