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Cheap flights from Las Vegas to San Diego from C$ 55

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
16 Nov — 23 Nov1
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 68 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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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 October 2025.

Wed 19/1112:20 p.m.LAS - SAN
Nonstop1h 15mSouthwest
Thu 27/113:05 p.m.SAN - LAS
Nonstop1h 20mSouthwest
Deal found 15/10C$ 108
Thu 6/111:57 p.m.LAS - SAN
1 stop5h 11mDelta
Thu 13/1110:59 a.m.SAN - LAS
Nonstop1h 34mDelta
Deal found 16/10C$ 122
Fri 14/117:15 a.m.LAS - SAN
Nonstop1h 10mSouthwest
Thu 27/112:10 p.m.SAN - LAS
Nonstop1h 25mSouthwest
Deal found 15/10C$ 129
Thu 6/119:17 a.m.LAS - SAN
1 stop6h 02mDelta
Mon 10/114:07 p.m.SAN - LAS
1 stop4h 35mDelta
Deal found 16/10C$ 136
Thu 6/111:57 p.m.LAS - SAN
1 stop5h 11mDelta
Sun 9/116:50 p.m.SAN - LAS
Nonstop1h 33mDelta
Deal found 15/10C$ 143
Thu 13/118:50 a.m.LAS - SAN
Nonstop1h 21mDelta
Fri 28/117:59 p.m.SAN - LAS
1 stop3h 20mDelta
Deal found 15/10C$ 150
Sat 8/118:50 a.m.LAS - SAN
Nonstop1h 26mDelta
Sat 8/116:29 p.m.SAN - LAS
Nonstop1h 29mDelta
Deal found 15/10C$ 164
Fri 14/118:50 a.m.LAS - SAN
Nonstop1h 21mDelta
Fri 28/117:59 p.m.SAN - LAS
1 stop3h 20mDelta
Deal found 15/10C$ 171
Fri 14/116:45 a.m.LAS - SAN
1 stop3h 40mSouthwest
Sun 16/116:30 a.m.SAN - LAS
1 stop3h 40mSouthwest
Deal found 15/10C$ 177
Sat 1/115:40 p.m.LAS - SAN
Nonstop1h 28mAlaska Airlines
Sun 2/1110:09 p.m.SAN - LAS
Nonstop1h 24mAlaska Airlines
Deal found 16/10C$ 178
Sat 13/1210:45 a.m.LAS - SAN
1 stop4h 50mSouthwest
Sun 14/123:30 p.m.SAN - LAS
1 stop4h 05mSouthwest
Deal found 16/10C$ 184

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 October 2025.

Round-trip from

C$ 108

One-way from

C$ 55

Popular in

July

Cheapest in

February

Average price

C$ 128

Good round-trip deal

C$ 244 or less

Good one-way deal

C$ 41 or less
Delta
  • Delta
  • 6/1-27/1
  • Nonstop
  • 2h 48m total
  • Las Vegas to San Diego
Search Deals
Southwest
  • Southwest
  • 20/1
  • Nonstop
  • 1h 15m total
  • Las Vegas to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to San Diego.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to San Diego.
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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 October 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

Thu 27/11

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

Nonstop1h 10m

San Diego

Thu 27/11

3:05 p.m.-4:25 p.m.

Nonstop1h 20m

C$ 108

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 6/1

7:10 a.m.-8:45 a.m.

Nonstop1h 35m

San Diego

Mon 26/1

5:15 p.m.-6:41 p.m.

Nonstop1h 26m

C$ 108

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 7/1

6:00 a.m.-9:19 a.m.

1 stop3h 19m

San Diego

Thu 29/1

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

Nonstop1h 28m

C$ 122

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 6/1

1:05 p.m.-6:56 p.m.

1 stop5h 51m

San Diego

Thu 29/1

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

Nonstop1h 28m

C$ 122

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 6/1

8:50 a.m.-10:05 a.m.

Nonstop1h 15m

San Diego

Tue 27/1

7:30 p.m.-10:44 p.m.

1 stop3h 14m

C$ 122

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 7/1

8:50 a.m.-10:05 a.m.

Nonstop1h 15m

San Diego

Wed 28/1

7:30 p.m.-10:44 p.m.

1 stop3h 14m

C$ 122

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 26/2

12:59 p.m.-2:14 p.m.

Nonstop1h 15m

San Diego

Mon 2/3

7:30 p.m.-10:44 p.m.

1 stop3h 14m

C$ 122

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 14/11

7:15 a.m.-8:25 a.m.

Nonstop1h 10m

San Diego

Thu 27/11

2:10 p.m.-3:35 p.m.

Nonstop1h 25m

C$ 129

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 14/1

12:25 p.m.-4:45 p.m.

1 stop4h 20m

San Diego

Thu 15/1

10:25 a.m.-2:25 p.m.

1 stop4h 00m

C$ 136

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 7/1

6:00 a.m.-9:19 a.m.

1 stop3h 19m

San Diego

Tue 27/1

6:15 a.m.-12:38 p.m.

1 stop6h 23m

C$ 136

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Showing 1-10 of 22 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 10 October 2025.

The best time to book flights from Las Vegas to San Diego is 68 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$ 39). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 69). 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 October 2025.

It’s optimal to fly from Las Vegas to San Diego in the afternoon. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight in the evening.

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 October 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
8,097 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Comfort

5.9

Crew

7.0

Entertainment

5.0

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
8,097 reviews
Spirit Airlines
6.3
Okay
8,097 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Comfort

5.9

Crew

7.0

Entertainment

5.0

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 18 daily flights to San Diego from 1 airline. 4h 27m 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 Southwest, Alaska Airlines, 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 2h 09m. The distance from Las Vegas to San Diego is about 417 km. This flight may include one or multiple stops.

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

    Spirit Airlines, at C$ 52, 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 most reliable airlines from Las Vegas to San Diego?

    Consider Korean Air (84%), KLM (83%) or Spirit Airlines (82%) 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$ 41. On average you can expect to pay C$ 143. The most popular route, (Las Vegas Harry Reid Intl - San Diego), can usually be booked for C$ 361.

  • 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$ 39). Flying from Las Vegas to San Diego in June is currently the most expensive (average of C$ 69). 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
La Mesa
Borrego Springs
El Cajon

Browse thousands of different options on Cheapflights for your next trip

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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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 52AverageC$ 84FlexibilityNo 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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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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