Cheap flights from Las Vegas to San Diego from C$ 81

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in April or March, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 5 February 2026.

Mon 2/311:40 a.m.
LAS
-
SAN
Nonstop1h 25m
Multiple Airlines
Mon 9/31:15 p.m.
SAN
-
LAS
Nonstop1h 32m
Multiple Airlines
Deal found 2/2C$ 130
Mon 2/311:49 a.m.
LAS
-
SAN
1 stop7h 46m
Frontier
Mon 9/39:58 p.m.
SAN
-
LAS
Nonstop1h 26m
Frontier
Deal found 2/2C$ 139
Fri 20/310:10 p.m.
LAS
-
SAN
Nonstop1h 10m
Southwest
Sun 22/36:40 a.m.
SAN
-
LAS
Nonstop1h 35m
Southwest
Deal found 2/2C$ 160
Fri 10/412:55 p.m.
LAS
-
SAN
Nonstop1h 20m
Delta
Mon 13/47:55 p.m.
SAN
-
LAS
1 stop3h 11m
Delta
Deal found 3/2C$ 173
Wed 4/33:27 p.m.
LAS
-
SAN
Nonstop1h 22m
Alaska Airlines
Wed 4/36:42 p.m.
SAN
-
LAS
Nonstop1h 32m
Alaska Airlines
Deal found 4/2C$ 180
Tue 24/27:40 p.m.
LAS
-
SAN
Nonstop1h 12m
Delta
Wed 25/27:50 a.m.
SAN
-
LAS
Nonstop1h 33m
Delta
Deal found 4/2C$ 187
Thu 19/27:40 p.m.
LAS
-
SAN
Nonstop1h 12m
Delta
Mon 23/27:50 a.m.
SAN
-
LAS
Nonstop1h 33m
Delta
Deal found 5/2C$ 188
Tue 24/26:58 p.m.
LAS
-
SAN
Nonstop1h 22m
Alaska Airlines
Sat 28/28:59 p.m.
SAN
-
LAS
Nonstop1h 29m
Alaska Airlines
Deal found 3/2C$ 201
Sat 28/28:20 a.m.
LAS
-
SAN
Nonstop1h 31m
Alaska Airlines
Sat 28/21:15 p.m.
SAN
-
LAS
Nonstop1h 32m
Alaska Airlines
Deal found 3/2C$ 208
Fri 20/26:00 a.m.
LAS
-
SAN
1 stop4h 39m
United Airlines
Sun 22/26:10 p.m.
SAN
-
LAS
1 stop5h 45m
United Airlines
Deal found 2/2C$ 214
Wed 27/57:15 a.m.
LAS
-
SAN
1 stop4h 31m
United Airlines
Fri 29/58:32 p.m.
SAN
-
LAS
1 stop3h 48m
United Airlines
Deal found 2/2C$ 216

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 5 February 2026.

Round-trip from

C$ 130

One-way from

C$ 81

Popular in

December

Cheapest in

April

Average price

C$ 132
Alaska Airlines
  • Alaska Airlines
  • 2/3-9/3
  • Nonstop
  • 2h 57m total
  • Las Vegas to San Diego
Delta
  • Delta
  • 1/4
  • Nonstop
  • 1h 20m total
  • Las Vegas to San Diego
Highest demand for flights based on searches. 23% potential increase in price (C$ 57 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease (C$ 10 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 5 February 2026.
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 10/4

12:55 p.m.-2:15 p.m.

Nonstop1h 20m

San Diego

Mon 13/4

3:30 p.m.-5:06 p.m.

Nonstop1h 36m

C$ 160

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 23/3

9:00 p.m.-10:10 p.m.

Nonstop1h 10m

San Diego

Tue 31/3

9:45 a.m.-11:15 a.m.

Nonstop1h 30m

C$ 173

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 3/4

12:55 p.m.-2:15 p.m.

Nonstop1h 20m

San Diego

Tue 7/4

7:35 p.m.-11:12 p.m.

1 stop3h 37m

C$ 173

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 25/2

5:58 p.m.-7:20 p.m.

Nonstop1h 22m

San Diego

Tue 3/3

3:07 p.m.-4:37 p.m.

Nonstop1h 30m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 21/3

6:35 a.m.-7:50 a.m.

Nonstop1h 15m

San Diego

Sat 28/3

9:15 p.m.-10:40 p.m.

Nonstop1h 25m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 24/3

7:29 p.m.-11:14 p.m.

1 stop3h 45m

San Diego

Mon 30/3

7:35 p.m.-11:12 p.m.

1 stop3h 37m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 28/3

6:35 a.m.-7:50 a.m.

Nonstop1h 15m

San Diego

Sat 4/4

7:20 p.m.-8:50 p.m.

Nonstop1h 30m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 26/6

12:59 p.m.-2:13 p.m.

Nonstop1h 14m

San Diego

Mon 29/6

3:35 p.m.-5:03 p.m.

Nonstop1h 28m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 27/5

12:25 p.m.-1:45 p.m.

Nonstop1h 20m

San Diego

Wed 3/6

7:25 a.m.-8:45 a.m.

Nonstop1h 20m

C$ 187

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 24/2

7:40 p.m.-8:52 p.m.

Nonstop1h 12m

San Diego

Wed 25/2

7:50 a.m.-9:23 a.m.

Nonstop1h 33m

C$ 187

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 24 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 30 January 2026.

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, February is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 41). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 67). 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 5 February 2026.

It’s optimal to fly from Las Vegas to San Diego at noon. By choosing this option you can save up to 71% on the cost of your flight, compared to a flight in the afternoon.

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?

  • 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 20m. 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 are the most reliable airlines from Las Vegas to San Diego?

    Consider Korean Air (85%), Delta (82%) or Frontier (82%) 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, February is the cheapest month in which you can book a flight from Las Vegas to San Diego (average of C$ 41). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 67). 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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