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Cheap flights from Las Vegas to San Diego from C$ 40

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in February or April, booked 84 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Las Vegas to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to San Diego (SAN). 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 17 September 2025.

Round-trip from

C$ 88

One-way from

C$ 40

Popular in

July

Cheapest in

February

Average price

C$ 132

Good one-way deal

C$ 97 or less
Frontier
  • Frontier
  • 20/10-26/10
  • Nonstop
  • 2h 48m total
  • Las Vegas to San Diego
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Frontier
  • Frontier
  • 30/10
  • Nonstop
  • 1h 24m total
  • Las Vegas to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 9 potential increase over avg. RT price).
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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 Las Vegas Harry Reid Intl to San Diego.
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Find flight deals from Las Vegas to San Diego

Cheapest flights from Las Vegas to San Diego
Explore the most affordable flight options available from Las Vegas to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Mon 20/109:46 p.m.LAS - SAN
Nonstop1h 18mFrontier
Sun 26/104:06 p.m.SAN - LAS
Nonstop1h 30mFrontier
Deal found 16/9C$ 88
Tue 28/107:25 a.m.LAS - SAN
Nonstop1h 15mAlaska Airlines
Wed 5/118:59 p.m.SAN - LAS
Nonstop1h 27mAlaska Airlines
Deal found 16/9C$ 133
Sat 1/116:05 a.m.LAS - SAN
1 stop3h 15mDelta
Mon 3/1110:59 a.m.SAN - LAS
Nonstop1h 31mDelta
Deal found 16/9C$ 147
Sat 18/109:00 a.m.LAS - SAN
1 stop3h 40mSouthwest
Sun 26/107:00 a.m.SAN - LAS
1 stop3h 45mSouthwest
Deal found 16/9C$ 160
Tue 14/107:00 p.m.LAS - SAN
1 stop4h 06mDelta
Tue 21/107:48 p.m.SAN - LAS
1 stop3h 34mDelta
Deal found 16/9C$ 161
Fri 3/108:25 a.m.LAS - SAN
Nonstop1h 18mDelta
Sun 5/107:46 p.m.SAN - LAS
1 stop3h 28mDelta
Deal found 16/9C$ 175
Sat 4/108:25 a.m.LAS - SAN
Nonstop1h 18mDelta
Sun 5/107:46 p.m.SAN - LAS
1 stop3h 28mDelta
Deal found 17/9C$ 191
Mon 27/108:50 a.m.LAS - SAN
Nonstop1h 26mDelta
Fri 31/107:48 p.m.SAN - LAS
1 stop3h 34mDelta
Deal found 16/9C$ 198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to San Diego 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 17 September 2025.
Use the filters below to find and compare flights from Las Vegas to San Diego that are best for you.

Fly from

Las Vegas

Fly to

San Diego

Route

Depart

Return

Price

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 31/10

6:00 a.m.-7:22 a.m.

Nonstop1h 22m

San Diego

Sat 1/11

8:59 p.m.-10:26 p.m.

Nonstop1h 27m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 6/12

4:37 p.m.-5:53 p.m.

Nonstop1h 16m

San Diego

Thu 18/12

6:33 p.m.-8:02 p.m.

Nonstop1h 29m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 28/10

2:52 p.m.-4:20 p.m.

Nonstop1h 28m

San Diego

Tue 4/11

8:59 p.m.-10:26 p.m.

Nonstop1h 27m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 14/10

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

Nonstop1h 26m

San Diego

Tue 14/10

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

Nonstop1h 29m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 1/11

2:52 p.m.-4:20 p.m.

Nonstop1h 28m

San Diego

Mon 3/11

5:00 p.m.-6:31 p.m.

Nonstop1h 31m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 19/11

4:35 p.m.-5:54 p.m.

Nonstop1h 19m

San Diego

Thu 18/12

6:33 p.m.-8:02 p.m.

Nonstop1h 29m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 30/10

2:52 p.m.-4:20 p.m.

Nonstop1h 28m

San Diego

Tue 4/11

8:59 p.m.-10:26 p.m.

Nonstop1h 27m

C$ 133

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 23/1

9:20 a.m.-10:35 a.m.

Nonstop1h 15m

San Diego

Sat 31/1

12:10 p.m.-4:45 p.m.

1 stop4h 35m

C$ 147

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 3/11

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

Nonstop1h 26m

San Diego

Thu 6/11

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

Nonstop1h 29m

C$ 147

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 27/10

6:00 a.m.-7:22 a.m.

Nonstop1h 22m

San Diego

Tue 4/11

8:59 p.m.-10:26 p.m.

Nonstop1h 27m

C$ 147

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 23 results
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Best time to book a flight from Las Vegas to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Las Vegas 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 Las Vegas to San Diego

How far ahead should I book a flight from Las Vegas to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to San Diego. Price data was last updated on 12 September 2025.

The best time to book flights from Las Vegas to San Diego is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Las Vegas to San Diego?

Currently, May is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 289). Flying from Las Vegas to San Diego in November is currently the most expensive (average of C$ 390). 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 LAS to SAN?

Find hourly flight availability from Las Vegas to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

It’s optimal to fly from Las Vegas to San Diego at noon. By choosing this option you can save up to 64% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated 17 September 2025.
Check out reviews from past customers who have flown with Spirit Airlines from Las Vegas to San Diego 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.
Spirit Airlines
6.3
Okay
8,023 reviews
Check prices

Boarding

6.6

Overall

6.3

Comfort

5.9

Crew

7.0

Entertainment

5.0

Food

5.1

Reviews

1 / 20
8.0
Excellent

Rebecca,Sep 2025

DTW - LAX

At least one free drink and snack. Plugs for charging on long flights and wider seats.
Spirit Airlines
6.3
Okay
8,023 reviews
Spirit Airlines
6.3
Okay
8,023 reviews
Check prices

Boarding

6.6

Overall

6.3

Comfort

5.9

Crew

7.0

Entertainment

5.0

Food

5.1

Reviews

1 / 20
8.0
Excellent

Rebecca,Sep 2025

DTW - LAX

At least one free drink and snack. Plugs for charging on long flights and wider seats.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to San Diego. 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 Las Vegas to San Diego?

    San Diego is the airport most travellers will use when flying to San Diego from Las Vegas Harry Reid Intl. Booking flights from Harry Reid Intl (LAS) to San Diego (SAN) should be relatively easy as there are 20 daily flights to San Diego from 1 airline. 1h 18m is how long a flight from Las Vegas to San Diego will take if you book a nonstop flight.

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

    The Las Vegas Harry Reid Intl to San Diego flight path was viewed by 14 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 Las Vegas to San Diego?

    Airlines like Delta and Alaska Airlines fly from Las Vegas to San Diego in about 1h 16m. The time it takes to get you to your destination is usually consistent. The distance from Las Vegas to San Diego is about 417 km. All flights are typically direct.

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

    Spirit Airlines, at C$ 51, was found to be the cheapest airline from Las Vegas to San Diego.. Users have found that Spirit Airlines is 56% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Las Vegas to San Diego one-way?

    C$ 67 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from C$ 67 and C$ 67, respectively.

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

    Consider Korean Air (89%), Delta (81%) or KLM (80%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to San Diego.

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

    The cheapest flight price from Las Vegas to San Diego is C$ 49. On average you can expect to pay C$ 163. The most popular route, (Las Vegas Harry Reid Intl - San Diego), can usually be booked for C$ 111.

  • Can I find deals for flights from Las Vegas to San Diego that include hotel bookings?

    Yes. In addition to deals on Las Vegas to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to San Diego.

  • Can I find deals for business class flights from Las Vegas to San Diego?

    Yes. Cheapflights offers flight deals from Las Vegas to San Diego 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 Las Vegas to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 289). Flying from Las Vegas to San Diego in November is currently the most expensive (average of C$ 390). 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
Borrego Springs
El Cajon

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Alternative routes for Las Vegas to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Los Angeles flights
Las Vegas to San Francisco flights

Top airline flying from Las Vegas to San Diego

Discover the top airline that operate flights from Las Vegas to San Diego. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 51AverageC$ 83FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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How does Cheapflights help users find flights from Las Vegas to San Diego?

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Yes! Cheapflights helps users easily find flights from Las Vegas to San Diego with no change fees.

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

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