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Cheap flights from Las Vegas to San Diego from $30

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to San Diego departing on 12/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
1:33 pm - 3:06 pmSAN-LAS
1h 33mnonstop
$57Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
3:18 pm - 4:44 pmSAN-LAS
1h 26mnonstop
$58Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
2:18 pm - 3:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
3:18 pm - 4:44 pmSAN-LAS
1h 26mnonstop
$59Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
1:31 pm - 2:54 pmLAS-SAN
1h 23mnonstop
Frontier Logo
6:52 pm - 8:22 pmSAN-LAS
1h 30mnonstop
$63Frontier
Find Deal
Tue, Nov 25 - Mon, Dec 1
Frontier Logo
10:53 am - 12:11 pmLAS-SAN
1h 18mnonstop
Frontier Logo
9:43 am - 11:16 amSAN-LAS
1h 33mnonstop
$68Frontier
Find Deal
Thu, Jan 1 - Wed, Jan 7
Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
7:21 pm - 8:49 pmSAN-LAS
1h 28mnonstop
$70Frontier
Find Deal
Sat, Dec 20 - Sat, Dec 27
Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
7:21 pm - 8:49 pmSAN-LAS
1h 28mnonstop
$72Frontier
Find Deal
Mon, Dec 8 - Sat, Dec 20
Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
Frontier Logo
7:21 pm - 8:49 pmSAN-LAS
1h 28mnonstop
$73Frontier
Find Deal
Fri, Dec 26 - Fri, Jan 2
Frontier Logo
10:53 am - 12:11 pmLAS-SAN
1h 18mnonstop
Frontier Logo
1:06 pm - 2:39 pmSAN-LAS
1h 33mnonstop
$77Frontier
Find Deal
Tue, Dec 30 - Sun, Jan 4
Frontier Logo
10:53 am - 12:11 pmLAS-SAN
1h 18mnonstop
Frontier Logo
7:21 pm - 8:49 pmSAN-LAS
1h 28mnonstop
$78Frontier
Find Deal
Tue, Dec 30 - Fri, Jan 2

Frontier flights from Las Vegas to San Diego

Our best Frontier deals on Las Vegas to San Diego flight tickets
Frontier
Dec 12
LAS11:18 amLas Vegas Harry Reid Intl
1h 20m
SAN12:38 pmSan Diego
Dec 14
SAN3:18 pmSan Diego
1h 26m
LAS4:44 pmLas Vegas Harry Reid Intl
$57
Find similar
Frontier
Nov 21
LAS1:44 pmLas Vegas Harry Reid Intl
1h 23m
SAN3:07 pmSan Diego
Nov 22
SAN6:52 pmSan Diego
1h 30m
LAS8:22 pmLas Vegas Harry Reid Intl
$58
Find similar
Frontier
Dec 4
LAS2:18 pmLas Vegas Harry Reid Intl
1h 20m
SAN3:38 pmSan Diego
Dec 7
SAN3:18 pmSan Diego
1h 26m
LAS4:44 pmLas Vegas Harry Reid Intl
$59
Find similar

Delta flights from Las Vegas to San Diego

Our best Delta deals on Las Vegas to San Diego flight tickets
Delta
Dec 10
LAS8:50 amLas Vegas Harry Reid Intl
1h 19m
SAN10:09 amSan Diego
Dec 17
SAN6:50 pmSan Diego
1h 29m
LAS8:19 pmLas Vegas Harry Reid Intl
$117
Find similar
Delta
Nov 26
LAS6:00 amLas Vegas Harry Reid Intl
3h 15m
1 stop
SAN9:15 amSan Diego
Dec 2
SAN6:50 pmSan Diego
1h 29m
LAS8:19 pmLas Vegas Harry Reid Intl
$137
Find similar
Delta
Nov 27
LAS6:00 amLas Vegas Harry Reid Intl
3h 15m
1 stop
SAN9:15 amSan Diego
Dec 3
SAN9:59 amSan Diego
6h 14m
1 stop
LAS4:13 pmLas Vegas Harry Reid Intl
$147
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 13, 2025.
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

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 12/12

11:18 am-12:38 pm

Nonstop1h 20m

San Diego

Mon 12/15

1:33 pm-3:06 pm

Nonstop1h 33m

$57

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 12/5

11:18 am-12:38 pm

Nonstop1h 20m

San Diego

Sun 12/7

3:18 pm-4:44 pm

Nonstop1h 26m

$58

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 12/4

2:18 pm-3:38 pm

Nonstop1h 20m

San Diego

Sun 12/7

3:18 pm-4:44 pm

Nonstop1h 26m

$59

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 11/25

1:31 pm-2:54 pm

Nonstop1h 23m

San Diego

Mon 12/1

6:52 pm-8:22 pm

Nonstop1h 30m

$63

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 1/1

10:53 am-12:11 pm

Nonstop1h 18m

San Diego

Wed 1/7

9:43 am-11:16 am

Nonstop1h 33m

$68

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 12/20

11:18 am-12:38 pm

Nonstop1h 20m

San Diego

Sat 12/27

7:21 pm-8:49 pm

Nonstop1h 28m

$70

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 12/8

11:18 am-12:38 pm

Nonstop1h 20m

San Diego

Sat 12/20

7:21 pm-8:49 pm

Nonstop1h 28m

$72

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 12/26

11:18 am-12:38 pm

Nonstop1h 20m

San Diego

Fri 1/2

7:21 pm-8:49 pm

Nonstop1h 28m

$73

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 12/30

10:53 am-12:11 pm

Nonstop1h 18m

San Diego

Sun 1/4

1:06 pm-2:39 pm

Nonstop1h 33m

$77

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 12/30

10:53 am-12:11 pm

Nonstop1h 18m

San Diego

Fri 1/2

7:21 pm-8:49 pm

Nonstop1h 28m

$78

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Las Vegas to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from Las Vegas during the month April is also very affordable. Most momondo users find prices during this month for around $75.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Las Vegas to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $85. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $140. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $84. Flights at noon are often more expensive with an average ticket price of $182.

What is the cheapest Las Vegas Harry Reid Intl to San Diego flight route?

Fly from Las Vegas Harry Reid Intl to San Diego for the best Las Vegas Harry Reid Intl - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $86 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Las Vegas for as low as $59 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to San Diego flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to San Diego flight prices changed over time?

As of November 2025, prices for Las Vegas to San Diego flights are approximately 61% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to San Diego (LAS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to San Diego

Best Price Found

$59

Fastest flight time

1h 10m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Las Vegas in the past 72 hours is $59. The best round-trip flight deal from Las Vegas to San Diego found on momondo in the last 72 hours is $78.
The fastest flight from Las Vegas to San Diego takes 1h 10m
Direct flights go from Las Vegas to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • How far is Las Vegas Harry Reid Intl to San Diego by plane?

    The straight-line distance from Las Vegas Harry Reid Intl to San Diego is 265.1 mi. 1h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to San Diego?

  • What is the most popular airline from Las Vegas to San Diego?

Best airlines flying from Las Vegas to San Diego

Compare and see reviews for airlines that fly from Las Vegas to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $38Free CancellationRating
5.8
3,112 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $40Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $48Free CancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $70Free CancellationRating
8.0
11,282 reviews
Search Alaska Airlines flights
DeltaPriceFrom $77Free CancellationRating
7.9
8,008 reviews
Search Delta flights
SouthwestPriceFrom $78Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

  • Alaska Airlines Flights From Las Vegas to San Diego

    The lowest priced Alaska Airlines flight from Las Vegas to San Diego from the last 72 hours was $70. Generally, Alaska Airlines has 34 flights on this route every week with an average price of $154. Alaska Airlines is rated 8.0/10 by our users.

  • Southwest Flights From Las Vegas to San Diego

    $78 is the best Southwest flight deal from Las Vegas to San Diego found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $114, however, with flight time and availability significantly affecting the price. Southwest (8.0/10 from 4,236 user reviews) flies into San Diego from Las Vegas 65 times in an average week so prices can vary.

Traveling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to San Diego?

It is quick and easy to find Las Vegas to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Las Vegas to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to San Diego?

momondo helps you find the best flight between Las Vegas and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Las Vegas to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Las Vegas to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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