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Cheap flights from Las Vegas to San Diego from $42

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 1/29. 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
8:00 am - 9:26 am
LAS
-
SAN
1h 26mnonstop
Frontier Logo
2:52 pm - 4:21 pm
SAN
-
LAS
1h 29mnonstop
$58Frontier
Fri, Jan 30 - Fri, Jan 30
Frontier Logo
12:35 pm - 2:01 pm
LAS
-
SAN
1h 26mnonstop
Frontier Logo
10:51 am - 12:21 pm
SAN
-
LAS
1h 30mnonstop
$59Frontier
Thu, Jan 29 - Sun, Feb 1
Multiple Airlines Logo
12:35 pm - 2:01 pm
LAS
-
SAN
1h 26mnonstop
Multiple Airlines Logo
5:15 pm - 6:41 pm
SAN
-
LAS
1h 26mnonstop
$60Multiple Airlines
Thu, Feb 5 - Tue, Feb 10
Frontier Logo
12:35 pm - 2:01 pm
LAS
-
SAN
1h 26mnonstop
Frontier Logo
2:56 pm - 4:25 pm
SAN
-
LAS
1h 29mnonstop
$61Frontier
Thu, Jan 22 - Thu, Jan 29
Frontier Logo
12:35 pm - 2:01 pm
LAS
-
SAN
1h 26mnonstop
Frontier Logo
2:52 pm - 4:21 pm
SAN
-
LAS
1h 29mnonstop
$62Frontier
Thu, Jan 22 - Mon, Jan 26
Alaska Airlines Logo
6:00 am - 7:17 am
LAS
-
SAN
1h 17mnonstop
Alaska Airlines Logo
5:15 pm - 6:41 pm
SAN
-
LAS
1h 26mnonstop
$63Alaska Airlines
Mon, Feb 2 - Tue, Feb 3
Alaska Airlines Logo
6:00 am - 7:17 am
LAS
-
SAN
1h 17mnonstop
Alaska Airlines Logo
5:15 pm - 6:41 pm
SAN
-
LAS
1h 26mnonstop
$64Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Multiple Airlines Logo
8:00 am - 9:26 am
LAS
-
SAN
1h 26mnonstop
Multiple Airlines Logo
9:02 pm - 10:31 pm
SAN
-
LAS
1h 29mnonstop
$65Multiple Airlines
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
8:00 am - 9:26 am
LAS
-
SAN
1h 26mnonstop
Multiple Airlines Logo
5:15 pm - 6:41 pm
SAN
-
LAS
1h 26mnonstop
$66Multiple Airlines
Fri, Jan 30 - Tue, Feb 10
Multiple Airlines Logo
8:10 am - 9:32 am
LAS
-
SAN
1h 22mnonstop
Multiple Airlines Logo
2:56 pm - 4:25 pm
SAN
-
LAS
1h 29mnonstop
$70Multiple Airlines
Thu, Jan 29 - Thu, Jan 29

Frontier flights from Las Vegas to San Diego

Our best Frontier deals on Las Vegas to San Diego flight tickets
Frontier
Jan 30
LAS8:00 amLas Vegas Harry Reid Intl
1h 26m
SAN9:26 amSan Diego
Jan 30
SAN2:52 pmSan Diego
1h 29m
LAS4:21 pmLas Vegas Harry Reid Intl
$58
Frontier
Jan 29
LAS12:35 pmLas Vegas Harry Reid Intl
1h 26m
SAN2:01 pmSan Diego
Feb 1
SAN10:51 amSan Diego
1h 30m
LAS12:21 pmLas Vegas Harry Reid Intl
$59
Frontier
Jan 22
LAS12:35 pmLas Vegas Harry Reid Intl
1h 26m
SAN2:01 pmSan Diego
Jan 29
SAN2:56 pmSan Diego
1h 29m
LAS4:25 pmLas Vegas Harry Reid Intl
$61

Southwest flights from Las Vegas to San Diego

Our best Southwest deals on Las Vegas to San Diego flight tickets
Southwest
Feb 13
LAS6:05 amLas Vegas Harry Reid Intl
1h 15m
SAN7:20 amSan Diego
Feb 16
SAN7:00 amSan Diego
1h 25m
LAS8:25 amLas Vegas Harry Reid Intl
$94
Southwest
Feb 2
LAS6:00 amLas Vegas Harry Reid Intl
3h 15m
1 stop
SAN9:15 amSan Diego
Feb 2
SAN4:05 pmSan Diego
4h 40m
1 stop
LAS8:45 pmLas Vegas Harry Reid Intl
$97
Southwest
Feb 11
LAS7:40 amLas Vegas Harry Reid Intl
4h 10m
1 stop
SAN11:50 amSan Diego
Feb 14
SAN6:50 pmSan Diego
1h 25m
LAS8:15 pmLas Vegas Harry Reid Intl
$107

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 January 8, 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

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 1/30

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Fri 1/30

2:52 pm-4:21 pm

Nonstop1h 29m

$58

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 1/29

12:35 pm-2:01 pm

Nonstop1h 26m

San Diego

Sun 2/1

10:51 am-12:21 pm

Nonstop1h 30m

$59

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 2/5

12:35 pm-2:01 pm

Nonstop1h 26m

San Diego

Tue 2/10

5:15 pm-6:41 pm

Nonstop1h 26m

$60

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 1/22

12:35 pm-2:01 pm

Nonstop1h 26m

San Diego

Thu 1/29

2:56 pm-4:25 pm

Nonstop1h 29m

$61

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 1/22

12:35 pm-2:01 pm

Nonstop1h 26m

San Diego

Mon 1/26

2:52 pm-4:21 pm

Nonstop1h 29m

$62

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Mon 2/2

6:00 am-7:17 am

Nonstop1h 17m

San Diego

Tue 2/3

5:15 pm-6:41 pm

Nonstop1h 26m

$63

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 1/31

6:00 am-7:17 am

Nonstop1h 17m

San Diego

Wed 2/4

5:15 pm-6:41 pm

Nonstop1h 26m

$64

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 1/23

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Tue 1/27

9:02 pm-10:31 pm

Nonstop1h 29m

$65

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 1/30

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Tue 2/10

5:15 pm-6:41 pm

Nonstop1h 26m

$66

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 1/29

8:10 am-9:32 am

Nonstop1h 22m

San Diego

Thu 1/29

2:56 pm-4:25 pm

Nonstop1h 29m

$70

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 April, then departing from Las Vegas during the month February is also very affordable. Most momondo users find prices during this month for around $76.

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 $89. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $146. 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 $88. Flights at noon are often more expensive with an average ticket price of $155.

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 $94 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 $63 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 January 2026, prices for Las Vegas to San Diego flights are approximately 55% 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

$78

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 $78. The best round-trip flight deal from Las Vegas to San Diego found on momondo in the last 72 hours is $96.
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 in San Diego. From Las Vegas there are direct flights to 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 10m 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 $39Free CancellationRating
5.7
3,061 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $40Free CancellationRating
6.3
8,288 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $48Free CancellationRating
7.8
2,824 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $77Free CancellationRating
7.9
8,030 reviews
Search Delta flights
SouthwestPriceFrom $78Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $78Free CancellationRating
8.0
11,668 reviews
Search Alaska Airlines flights
JetBluePriceFrom $106Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights

  • Southwest Flights From Las Vegas to San Diego

    The lowest priced Southwest flight from Las Vegas to San Diego from the last 72 hours was $78. Generally, Southwest has 45 flights on this route every week with an average price of $119. Southwest is rated 8.0/10 by our users.

  • Alaska Airlines Flights From Las Vegas to San Diego

    $78 is the best Alaska Airlines flight deal from Las Vegas to San Diego found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $157, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 11,668 user reviews) flies into San Diego from Las Vegas 11 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
Poway
National City
Imperial Beach
Borrego Springs
La Mesa
San Ysidro
Alpine
Lemon Grove
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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