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Cheap flights from Las Vegas to San Diego from C$ 64

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
1 Sep — 8 Sep1
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 2 August 2026.

Thu 27/86:34 p.m.
LAS
-
SAN
1 stop5h 17m
Frontier
Thu 3/910:00 a.m.
SAN
-
LAS
Nonstop1h 35m
Frontier
Deal found 30/7C$ 116
Sat 19/95:55 a.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Sat 19/94:15 p.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 30/7C$ 136
Sat 29/85:55 a.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Sat 5/94:50 p.m.
SAN
-
LAS
1 stop4h 15m
Southwest
Deal found 30/7C$ 150
Tue 10/1111:20 a.m.
LAS
-
SAN
2 stops7h 25m
Southwest
Tue 10/117:45 p.m.
SAN
-
LAS
Nonstop1h 20m
Southwest
Deal found 31/7C$ 151
Tue 18/86:50 a.m.
LAS
-
SAN
Nonstop1h 14m
Alaska Airlines
Tue 18/89:05 a.m.
SAN
-
LAS
Nonstop1h 26m
Alaska Airlines
Deal found 28/7C$ 157
Fri 28/86:58 p.m.
LAS
-
SAN
Nonstop1h 16m
Frontier
Fri 4/98:59 p.m.
SAN
-
LAS
Nonstop1h 30m
Frontier
Deal found 31/7C$ 163
Thu 20/88:00 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Mon 24/88:30 a.m.
SAN
-
LAS
Nonstop1h 25m
Southwest
Deal found 30/7C$ 164
Thu 20/812:57 p.m.
LAS
-
SAN
Nonstop1h 17m
Delta
Mon 24/83:51 p.m.
SAN
-
LAS
Nonstop1h 31m
Delta
Deal found 30/7C$ 165
Thu 3/95:25 p.m.
LAS
-
SAN
Nonstop1h 15m
Southwest
Sun 6/910:25 p.m.
SAN
-
LAS
Nonstop1h 20m
Southwest
Deal found 28/7C$ 171
Mon 2/119:10 a.m.
LAS
-
SAN
1 stop2h 45m
Southwest
Tue 3/1112:45 p.m.
SAN
-
LAS
Nonstop1h 20m
Southwest
Deal found 29/7C$ 172
Sat 22/87:55 a.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Wed 26/87:35 p.m.
SAN
-
LAS
Nonstop1h 20m
Southwest
Deal found 31/7C$ 174

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 2 August 2026.

Round-trip from

C$ 116

One-way from

C$ 64

Popular in

June

Cheapest in

August

Average price

C$ 119
Frontier
  • Frontier
  • 27/8-3/9
  • 1 total stop
  • 6h 52m total
  • Las Vegas to San Diego
Search Deals
Frontier
  • Frontier
  • 15/9
  • Nonstop
  • 1h 26m total
  • Las Vegas to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 58 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 August 2026
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 2 August 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

Tue 18/8

6:50 a.m.-8:04 a.m.

Nonstop1h 14m

San Diego

Tue 18/8

9:05 a.m.-10:31 a.m.

Nonstop1h 26m

C$ 157

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 2/9

6:35 a.m.-10:05 a.m.

1 stop3h 30m

San Diego

Wed 2/9

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

1 stop3h 45m

C$ 164

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 15/9

7:40 a.m.-11:40 a.m.

1 stop4h 00m

San Diego

Tue 22/9

4:00 p.m.-7:55 p.m.

1 stop3h 55m

C$ 164

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 16/9

6:35 a.m.-10:05 a.m.

1 stop3h 30m

San Diego

Wed 23/9

1:45 p.m.-5:15 p.m.

1 stop3h 30m

C$ 164

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 14/10

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

Nonstop1h 20m

San Diego

Tue 20/10

8:05 p.m.-9:40 p.m.

Nonstop1h 35m

C$ 164

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 16/9

6:25 a.m.-10:10 a.m.

1 stop3h 45m

San Diego

Tue 22/9

3:45 p.m.-5:11 p.m.

Nonstop1h 26m

C$ 178

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 12/9

3:40 p.m.-7:35 p.m.

1 stop3h 55m

San Diego

Sat 19/9

6:35 a.m.-8:05 a.m.

Nonstop1h 30m

C$ 178

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 27/8

12:57 p.m.-2:14 p.m.

Nonstop1h 17m

San Diego

Mon 31/8

3:51 p.m.-5:22 p.m.

Nonstop1h 31m

C$ 192
Quickest round-trip

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 27/8

8:55 p.m.-10:05 p.m.

Nonstop1h 10m

San Diego

Mon 31/8

10:30 a.m.-11:55 a.m.

Nonstop1h 25m

C$ 192

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 21/9

4:50 p.m.-10:10 p.m.

2 stops5h 20m

San Diego

Wed 23/9

1:45 p.m.-5:15 p.m.

1 stop3h 30m

C$ 193

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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$ 119). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 256). 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 2 August 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?

Airfare is typical for this route at the moment.

Las Vegas to San Diego flights typically cost between C$ 81 and C$ 196 in August.
The cheapest round-trip price found within the last 5 days was C$ 116 on Frontier (27 Aug-3 Sep).

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 Southwest and Alaska Airlines fly from Las Vegas to San Diego in about 1h 14m. The time it takes to get you to your destination can typically vary by up to 2h 16m. 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.

  • 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$ 119). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 256). 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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Fly with Cheapflights

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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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