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Cheap flights from Las Vegas to San Diego from C$ 69

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Las Vegas to San Diego

Enter your travel dates to find the best prices.

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 21 July 2026.

Tue 18/85:30 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Wed 19/85:30 p.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 20/7C$ 136
Thu 1/109:10 a.m.
LAS
-
SAN
1 stop2h 55m
Southwest
Mon 5/109:55 p.m.
SAN
-
LAS
Nonstop1h 35m
Southwest
Deal found 20/7C$ 145
Mon 17/86:40 p.m.
LAS
-
SAN
1 stop3h 30m
Southwest
Sat 22/82:35 p.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 20/7C$ 150
Mon 17/84:50 p.m.
LAS
-
SAN
2 stops5h 15m
Southwest
Mon 24/88:30 a.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 20/7C$ 152
Wed 12/86:50 a.m.
LAS
-
SAN
Nonstop1h 14m
Alaska Airlines
Wed 12/89:05 a.m.
SAN
-
LAS
Nonstop1h 26m
Alaska Airlines
Deal found 16/7C$ 157
Sat 8/86:20 a.m.
LAS
-
SAN
1 stop3h 55m
Southwest
Sat 8/85:10 p.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 16/7C$ 178
Sat 15/82:25 p.m.
LAS
-
SAN
1 stop3h 40m
Southwest
Mon 17/87:05 p.m.
SAN
-
LAS
1 stop3h 50m
Southwest
Deal found 16/7C$ 192
Wed 5/85:41 p.m.
LAS
-
SAN
1 stop6h 13m
Delta
Wed 12/83:00 p.m.
SAN
-
LAS
1 stop6h 08m
Delta
Deal found 16/7C$ 206
Sat 5/99:25 a.m.
LAS
-
SAN
Nonstop1h 15m
Southwest
Tue 8/912:25 p.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 20/7C$ 219
Thu 3/96:00 a.m.
LAS
-
SAN
1 stop4h 18m
United Airlines
Mon 7/96:20 a.m.
SAN
-
LAS
1 stop3h 14m
United Airlines
Deal found 16/7C$ 223

Find 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 21 July 2026.

Round-trip from

C$ 136

One-way from

C$ 83

Popular in

June

Cheapest in

August

Average price

C$ 195

Good one-way deal

C$ 194 or less
Southwest
  • Southwest
  • 17/8-22/8
  • Nonstop
  • 2h 35m total
  • Las Vegas to San Diego
Search Deals
Southwest
  • Southwest
  • 5/9
  • Nonstop
  • 1h 15m total
  • Las Vegas to San Diego
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to San Diego.
Search Deals

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 21 July 2026.
Use the filters below to find and compare flights from Las Vegas to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 8/10

7:35 p.m.-8:55 p.m.

Nonstop1h 20m

San Diego

Thu 15/10

12:10 p.m.-1:40 p.m.

Nonstop1h 30m

C$ 136

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 18/8

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

Nonstop1h 15m

San Diego

Tue 25/8

1:00 p.m.-4:45 p.m.

1 stop3h 45m

C$ 150

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 19/8

5:30 p.m.-6:40 p.m.

Nonstop1h 10m

San Diego

Wed 26/8

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

1 stop3h 40m

C$ 150

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 18/8

10:55 a.m.-2:40 p.m.

1 stop3h 45m

San Diego

Thu 20/8

7:05 p.m.-10:55 p.m.

1 stop3h 50m

C$ 164
Quickest round-trip

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 15/8

5:55 a.m.-7:05 a.m.

Nonstop1h 10m

San Diego

Mon 17/8

6:40 p.m.-8:00 p.m.

Nonstop1h 20m

C$ 164

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 26/8

8:00 a.m.-9:10 a.m.

Nonstop1h 10m

San Diego

Wed 26/8

4:00 p.m.-7:50 p.m.

1 stop3h 50m

C$ 178

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 5/8

5:41 p.m.-11:54 p.m.

1 stop6h 13m

San Diego

Wed 12/8

3:00 p.m.-9:08 p.m.

1 stop6h 08m

C$ 206

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 23/11

8:35 p.m.-9:45 p.m.

Nonstop1h 10m

San Diego

Thu 10/12

8:45 p.m.-10:05 p.m.

Nonstop1h 20m

C$ 219

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 5/9

7:00 p.m.-8:10 p.m.

Nonstop1h 10m

San Diego

Mon 7/9

3:10 p.m.-4:35 p.m.

Nonstop1h 25m

C$ 219
Cheapest one-way
Quickest one-way

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 19/8

2:15 p.m.-3:25 p.m.

Nonstop1h 10m

C$ 69

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

The best time to book flights from Las Vegas to San Diego is 42 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, August is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 118). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 257). 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 21 July 2026.

It’s optimal to fly from Las Vegas to San Diego at noon. By choosing this option you can save up to 72% on the cost of your flight, compared to a flight in the morning.

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

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.

  • 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 6 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 Alaska Airlines, Southwest, and Delta fly from Las Vegas to San Diego in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 5h 03m. The distance from Las Vegas to San Diego is about 417 km. This flight may include one or multiple stops.

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

    Consider Delta (77%), Korean Air (77%) or Volaris (73%) 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$ 82. On average you can expect to pay C$ 194. The most popular route, (Las Vegas Harry Reid Intl - San Diego), can usually be booked for C$ 350.

  • 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, August is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 118). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 257). 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
El Cajon
La Mesa
Borrego Springs

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

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Can Cheapflights find flights from Las Vegas to San Diego with no change fees?

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

Can Cheapflights notify me if prices for flights from Las Vegas to San Diego become cheaper?

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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