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Cheap flights from Las Vegas to San Diego from $31

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 9/23. 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

Frontier Logo
10:01 pm - 11:17 pmLAS-SAN
1h 16mnonstop
Frontier Logo
6:25 am - 7:54 amSAN-LAS
1h 29mnonstop
$48Frontier
Find Deal
Fri, Sep 26 - Sun, Sep 28
Frontier Logo
10:01 pm - 11:17 pmLAS-SAN
1h 16mnonstop
Frontier Logo
6:25 am - 7:54 amSAN-LAS
1h 29mnonstop
$49Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
10:50 am - 12:17 pmLAS-SAN
1h 27mnonstop
Frontier Logo
6:25 am - 7:52 amSAN-LAS
1h 27mnonstop
$53Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Spirit Airlines Logo
10:14 pm - 11:34 pmLAS-SAN
1h 20mnonstop
Spirit Airlines Logo
6:15 am - 7:40 amSAN-LAS
1h 25mnonstop
$58Spirit Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
Spirit Airlines Logo
10:14 pm - 11:34 pmLAS-SAN
1h 20mnonstop
Spirit Airlines Logo
8:25 am - 9:49 amSAN-LAS
1h 24mnonstop
$77Spirit Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
Hawaiian Airlines Logo
5:40 pm - 7:08 pmLAS-SAN
1h 28mnonstop
Hawaiian Airlines Logo
8:59 pm - 10:26 pmSAN-LAS
1h 27mnonstop
$90Hawaiian Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
8:25 am - 9:43 amLAS-SAN
1h 18mnonstop
Delta Logo
7:46 pm - 11:14 pmSAN-LAS
3h 28m1 stop
$91Delta
Find Deal
Thu, Oct 2 - Sun, Oct 5
Delta Logo
8:50 am - 10:11 amLAS-SAN
1h 21mnonstop
Delta Logo
6:33 pm - 8:02 pmSAN-LAS
1h 29mnonstop
$97Delta
Find Deal
Wed, Nov 19 - Thu, Dec 18
Southwest Logo
7:55 pm - 11:15 pmLAS-SAN
3h 20m1 stop
Southwest Logo
7:55 pm - 9:20 pmSAN-LAS
1h 25mnonstop
$107Southwest
Find Deal
Fri, Oct 17 - Sun, Oct 19
Southwest Logo
6:15 pm - 9:55 pmLAS-SAN
3h 40m1 stop
Southwest Logo
8:40 am - 12:45 pmSAN-LAS
4h 05m1 stop
$116Southwest
Find Deal
Fri, Oct 17 - Sun, Oct 19

Delta flights from Las Vegas to San Diego

Our best Delta deals on Las Vegas to San Diego flight tickets
Delta
Oct 2
LAS8:25 amLas Vegas Harry Reid Intl
1h 18m
SAN9:43 amSan Diego
Oct 5
SAN7:46 pmSan Diego
3h 28m
1 stop
LAS11:14 pmLas Vegas Harry Reid Intl
$91
Find similar
Delta
Nov 19
LAS8:50 amLas Vegas Harry Reid Intl
1h 21m
SAN10:11 amSan Diego
Dec 18
SAN6:33 pmSan Diego
1h 29m
LAS8:02 pmLas Vegas Harry Reid Intl
$97
Find similar
Delta
Oct 2
LAS7:59 pmLas Vegas Harry Reid Intl
3h 00m
1 stop
SAN10:59 pmSan Diego
Oct 5
SAN7:46 pmSan Diego
3h 28m
1 stop
LAS11:14 pmLas Vegas Harry Reid Intl
$101
Find similar

Spirit Airlines flights from Las Vegas to San Diego

Our best Spirit Airlines deals on Las Vegas to San Diego flight tickets
Spirit Airlines
Sep 27
LAS10:14 pmLas Vegas Harry Reid Intl
1h 20m
SAN11:34 pmSan Diego
Sep 28
SAN6:15 amSan Diego
1h 25m
LAS7:40 amLas Vegas Harry Reid Intl
$58
Find similar
Spirit Airlines
Sep 18
LAS10:14 pmLas Vegas Harry Reid Intl
1h 20m
SAN11:34 pmSan Diego
Sep 21
SAN8:25 amSan Diego
1h 24m
LAS9:49 amLas Vegas Harry Reid Intl
$77
Find similar
Spirit Airlines
Sep 19
LAS6:05 amLas Vegas Harry Reid Intl
1h 24m
SAN7:29 amSan Diego
Sep 22
SAN6:15 amSan Diego
1h 25m
LAS7:40 amLas Vegas Harry Reid Intl
$80
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 September 15, 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 9/26

10:01 pm-11:17 pm

Nonstop1h 16m

San Diego

Sun 9/28

6:25 am-7:54 am

Nonstop1h 29m

$48

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 9/25

10:01 pm-11:17 pm

Nonstop1h 16m

San Diego

Sun 9/28

6:25 am-7:54 am

Nonstop1h 29m

$49

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 10/17

10:50 am-12:17 pm

Nonstop1h 27m

San Diego

Mon 10/20

6:25 am-7:52 am

Nonstop1h 27m

$53

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Sat 9/27

10:14 pm-11:34 pm

Nonstop1h 20m

San Diego

Sun 9/28

6:15 am-7:40 am

Nonstop1h 25m

$58

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 9/18

10:14 pm-11:34 pm

Nonstop1h 20m

San Diego

Sun 9/21

8:25 am-9:49 am

Nonstop1h 24m

$77

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Tue 10/28

5:40 pm-7:08 pm

Nonstop1h 28m

San Diego

Tue 11/4

8:59 pm-10:26 pm

Nonstop1h 27m

$90

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Thu 10/2

8:25 am-9:43 am

Nonstop1h 18m

San Diego

Sun 10/5

7:46 pm-11:14 pm

1 stop3h 28m

$91

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Wed 11/19

8:50 am-10:11 am

Nonstop1h 21m

San Diego

Thu 12/18

6:33 pm-8:02 pm

Nonstop1h 29m

$97

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 10/17

7:55 pm-11:15 pm

1 stop3h 20m

San Diego

Sun 10/19

7:55 pm-9:20 pm

Nonstop1h 25m

$107

Las VegasSan Diego

LAS - SAN

LASSAN

Las Vegas Harry Reid Intl

Fri 10/17

6:15 pm-9:55 pm

1 stop3h 40m

San Diego

Sun 10/19

8:40 am-12:45 pm

1 stop4h 05m

$116

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 $89. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $134. 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 $79. Flights at noon are often more expensive with an average ticket price of $118.

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 $84 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 September 2025, prices for Las Vegas to San Diego flights are approximately 71% 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

$48

Fastest flight time

1h 05m

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 $48. The best round-trip flight deal from Las Vegas to San Diego found on momondo in the last 72 hours is $60.
The fastest flight from Las Vegas to San Diego takes 1h 05m
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 16m 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
3,172 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $39Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $48Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $68Free CancellationRating
7.9
7,954 reviews
Search Delta flights
SouthwestPriceFrom $82Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $82Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines 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 $82. Generally, Southwest has 56 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

    $82 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 10,000 user reviews) flies into San Diego from Las Vegas 23 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
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
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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