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$20+ Cheap flights from Las Vegas to San Diego (LAS - SAN)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAN
Mar 4 — Mar 111
Tue 3/4
Tue 3/11
1 adult, Economy
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Find cheap flights from Las Vegas to San Diego with Cheapflights

1. Tell us where you want to go
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The best prices from Las Vegas Harry Reid Intl to San Diego are usually found in July or June, booked 65 days in advance, depart on a Wednesday or Saturday and return on a Sunday

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 February 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$40
(Cheapflightsfares)

One-way from

$22
(Booking.com)

Popular in

December

Cheapest in

July

Average price

$86

Good round-trip deal

$56 or less

Good one-way deal

$49 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-San Diego flights.
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From Las Vegas Harry Reid Intl to San Diego
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One-way flight from Las Vegas Harry Reid Intl to San Diego
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Highest demand for flights based on searches. 11% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to San Diego.
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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 February 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:15 amLAS - SAN
Nonstop1h 13mSpirit Airlines
Sat 5/103:10 pmSAN - LAS
Nonstop1h 23mSpirit Airlines
Deal found 2/27$40
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1910:37 pmLAS - SAN
Nonstop1h 14mMultiple Airlines
Sat 3/229:46 pmSAN - LAS
Nonstop1h 23mMultiple Airlines
Deal found 2/27$58
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:42 pmLAS - SAN
Nonstop1h 15mFrontier
Sat 6/76:25 amSAN - LAS
Nonstop1h 32mFrontier
Deal found 2/26$77
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:10 pmLAS - SAN
Nonstop1h 14mDelta
Mon 10/206:10 pmSAN - LAS
Nonstop1h 31mDelta
Deal found 2/26$97
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/156:55 amLAS - SAN
Nonstop1h 15mSouthwest
Sat 3/156:50 pmSAN - LAS
1 stop3h 50mSouthwest
Deal found 2/27$135
This United Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:00 amLAS - SAN
1 stop3h 30mUnited Airlines
Tue 4/11:43 pmSAN - LAS
1 stop7h 11mUnited Airlines
Deal found 2/25$146
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/96:00 amLAS - SAN
1 stop6h 12mAmerican Airlines
Sun 3/166:30 amSAN - LAS
1 stop5h 15mAmerican Airlines
Deal found 2/27$188
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/108:38 pmLAS - SAN
1 stop11h 57mAlaska Airlines
Wed 3/128:00 amSAN - LAS
2 stops12h 26mAlaska Airlines
Deal found 2/26$198

Find flights from Las Vegas to San Diego within your budget

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 2,558,603 searches. Data last updated February 27, 2025.

Fly from

Las Vegas

Fly to

San Diego

Route

Depart

Return

Price

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 5/8

6:15 am-7:28 am

Nonstop1h 13m

San Diego

Sat 5/10

3:10 pm-4:33 pm

Nonstop1h 23m

$40

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 3/19

10:37 pm-11:51 pm

Nonstop1h 14m

San Diego

Sat 3/22

9:46 pm-11:09 pm

Nonstop1h 23m

$58

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 5/16

10:42 pm-11:58 pm

Nonstop1h 16m

San Diego

Fri 5/23

6:25 am-7:57 am

Nonstop1h 32m

$77

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 3/13

2:05 pm-3:20 pm

Nonstop1h 15m

San Diego

Sun 3/16

7:10 pm-8:35 pm

Nonstop1h 25m

$131

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 4/1

6:00 am-9:30 am

1 stop3h 30m

San Diego

Tue 4/1

1:43 pm-8:54 pm

1 stop7h 11m

$146

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sun 3/9

6:00 am-12:12 pm

1 stop6h 12m

San Diego

Sun 3/16

6:30 am-11:45 am

1 stop5h 15m

$188

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 3/10

8:38 pm-8:35 am

1 stop11h 57m

San Diego

Wed 3/12

8:00 am-8:26 pm

2 stops12h 26m

$198

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 3/14

6:15 am-7:30 am

Nonstop1h 15m

$20

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 5/27

10:42 pm-11:57 pm

Nonstop1h 15m

$38

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 3/28

4:00 pm-5:19 pm

Nonstop1h 19m

$42

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Las Vegas to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Las Vegas to San Diego flights

Find out what our experts recommend to make the most of your Las Vegas to San Diego trip
Airlines
Frontier

Frontier’s UpFront Plus seats offer extra comfort with a guaranteed empty middle seat.


Early check-in helps secure your place as Frontier overbooks flights frequently.

Read more about Frontierby Marisa Garcia
Spirit Airlines

Spirit’s Big Front Seats offer 11 inches more legroom, ideal for short flights.


Spirit’s Saver$ Club offers rotating deals and discounts on luggage and seats.

Read more about Spirit Airlinesby Daniel Scheffler
Alaska Airlines

Alaska’s Premium Class offers extra legroom and free cocktails, ideal for comfort.


Alaska’s Wi-Fi is a flat fee, allowing work during flights.

Read more about Alaska Airlinesby Robert Schrader
Airports
LAS

Experience self-service TSA screening at LAS for a quicker security process. Follow video instructions to breeze through checkpoints.

Read more about LASby Ramsey Qubein
SAN

For a quick ride to downtown, use a taxi or rideshare from SAN. Despite proximity, plan for traffic congestion.

Read more about SANby Blane Bachelor
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

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.

Travel insights for flights from Las Vegas to San Diego

Get recent, data-driven insights about flights from Las Vegas to San Diego including ideal travel times, pricing trends, and more.

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 February 25, 2025.

To ensure you get the cheapest price possible for a flight from Las Vegas to San Diego, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $286). Flying from Las Vegas to San Diego in March is currently the most expensive (average of $366). 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 February 27, 2025.

It’s typically best to fly out from Las Vegas to San Diego in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Las Vegas to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to San Diego. Price data was last updated on February 23, 2025.

Travelers seeking maximum savings on their Las Vegas to San Diego flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Las Vegas to San Diego

Explore weekly flight availability from Las Vegas to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 27, 2025.

The most flights from LAS to SAN are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 February 27, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Las Vegas to San Diego have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,362 reviews
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,717 reviews
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,140 reviews
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,723 reviews
Southwest
8.1
Very good
4,362 reviews

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

    Booking a flight from Las Vegas Harry Reid Intl (LAS) to San Diego (SAN) is your only option if you wish to fly from Las Vegas to San Diego. On a typical day, there are 20 flights from Harry Reid Intl to San Diego, all of which are around 1h 05m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Harry Reid Intl to San Diego.

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

    Within the past month, 126 users have taken a look at flights from Las Vegas Harry Reid Intl to San Diego.

  • What are the cheapest airlines flying from Las Vegas to San Diego round-trip?

    Cheapflights users have booked flights from Las Vegas to San Diego round-trip from $40. Other airlines that can offer you cheap pricing are Frontier, from $73, and Alaska Airlines, from $78. You may be able to fly from Las Vegas to San Diego for 47% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $22. Frontier flights start at $39 while deals on Delta start at $42 one-way.

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

    The top 3 most reliable airlines when flying from Las Vegas to San Diego are Spirit Airlines (79%), Delta (70%) and Frontier (65%).

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

    The cheapest flight price from Las Vegas to San Diego is $20. On average you can expect to pay $630. The most popular route, (Las Vegas Harry Reid Intl - San Diego), can usually be booked for $40.

  • 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 $286). Flying from Las Vegas to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Las Vegas to San Diego

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Top 5 airlines flying from Las Vegas to San Diego

Discover the top 5 airlines 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 2,558,603 searches. Data last updated February 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$70FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$38Average$69FlexibilityNo cancel feeOn-time65%
DeltaCheapest$68Average$165FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$82Average$175FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$85Average$153FlexibilityNo cancel feeOn-time63%
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