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Cheap flights from Las Vegas to San Diego from $20

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 2/20. 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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Find the cheapest flights from Las Vegas to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Las Vegas to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Las Vegas to San Diego.

Cheap last minute flights

Planning a quick getaway from Las Vegas to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Las Vegas to San Diego

Find recent round-trip train or bus tickets from Las Vegas to San Diego.

All round-trip flight deals from Las Vegas to San Diego

The cheapest plane tickets from Las Vegas to San Diego found on KAYAK recently.
5:52 pm - 7:18 pmLAS-SAN
1h 26mnonstop
9:56 pm - 11:19 pmSAN-LAS
1h 23mnonstop
$37Frontier
Find Deal
Sat, Feb 22 - Sat, Feb 22
5:52 pm - 7:18 pmLAS-SAN
1h 26mnonstop
3:00 pm - 4:19 pmSAN-LAS
1h 19mnonstop
Tue, Feb 18 - Tue, Feb 25
3:05 pm - 6:46 pmLAS-SAN
3h 41m1 stop
9:56 am - 11:18 amSAN-LAS
1h 22mnonstop
$51Spirit Airlines
Find Deal
Thu, Feb 20 - Thu, Feb 27
7:49 am - 9:01 amLAS-SAN
1h 12mnonstop
2:56 pm - 7:05 pmSAN-LAS
4h 09m1 stop
$57Spirit Airlines
Find Deal
Sat, Feb 22 - Sat, Feb 22
4:00 pm - 5:20 pmLAS-SAN
1h 20mnonstop
1:50 pm - 3:19 pmSAN-LAS
1h 29mnonstop
$97Delta
Find Deal
Thu, Feb 13 - Sun, Feb 16
5:45 am - 9:10 amLAS-SAN
3h 25m1 stop
7:25 pm - 8:55 pmSAN-LAS
1h 30mnonstop
$107Southwest
Find Deal
Thu, Feb 13 - Sun, Feb 16
4:45 pm - 8:20 pmLAS-SAN
3h 35m1 stop
8:25 am - 12:00 pmSAN-LAS
3h 35m1 stop
$117Southwest
Find Deal
Tue, Feb 18 - Wed, Feb 19
7:10 am - 8:20 amLAS-SAN
1h 10mnonstop
6:15 am - 8:26 pmSAN-LAS
14h 11m2 stops
$139Alaska Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25
4:16 pm - 5:29 pmLAS-SAN
1h 13mnonstop
7:30 pm - 10:43 pmSAN-LAS
3h 13m1 stop
$169Alaska Airlines
Find Deal
Thu, Feb 13 - Sun, Feb 16
7:35 am - 8:50 amLAS-SAN
1h 15mnonstop
6:30 am - 6:33 pmSAN-LAS
12h 03m1 stop
$189Delta
Find Deal
Thu, Feb 13 - Sun, Feb 16
12:44 pm - 2:01 pmLAS-SAN
1h 17mnonstop
$20Spirit Airlines
Find Deal
Thu, Feb 20
7:12 pm - 8:29 pmLAS-SAN
1h 17mnonstop
$21Frontier
Find Deal
Wed, Mar 19
5:32 pm - 6:58 pmLAS-SAN
1h 26mnonstop
$22Frontier
Find Deal
Thu, Feb 6
2:12 pm - 3:26 pmLAS-SAN
1h 14mnonstop
$27Spirit Airlines
Find Deal
Tue, Feb 4
7:35 am - 8:50 amLAS-SAN
1h 15mnonstop
$49Delta
Find Deal
Sun, Feb 23
7:35 am - 8:50 amLAS-SAN
1h 15mnonstop
$109Delta
Find Deal
Mon, Feb 17
10:00 am - 5:30 pmLAS-SAN
7h 30m1 stop
$117Alaska Airlines
Find Deal
Wed, Feb 12
12:05 pm - 7:36 amLAS-SAN
19h 31m2 stops
$132Alaska Airlines
Find Deal
Tue, Feb 25
5:40 am - 9:20 amLAS-SAN
3h 40m1 stop
$146Southwest
Find Deal
Fri, Jun 20
1:00 pm - 9:30 pmLAS-SAN
8h 30m2 stops
$149Southwest
Find Deal
Tue, Apr 22
2:12 pm - 3:26 pmLAS-SAN
1h 14mnonstop
7:26 pm - 8:46 pmSAN-LAS
1h 20mnonstop
$75Spirit Airlines
Find Deal
Sat, Jan 25 - Sat, Jan 25
2:12 pm - 3:26 pmLAS-SAN
1h 14mnonstop
7:26 pm - 8:46 pmSAN-LAS
1h 20mnonstop
$77Spirit Airlines
Find Deal
Sat, Jan 25 - Sat, Jan 25
9:08 pm - 10:18 pmLAS-SAN
1h 10mnonstop
5:01 pm - 6:23 pmSAN-LAS
1h 22mnonstop
$86Spirit Airlines
Find Deal
Sat, Jan 25 - Sun, Jan 26
11:39 am - 12:55 pmLAS-SAN
1h 16mnonstop
7:26 pm - 8:46 pmSAN-LAS
1h 20mnonstop
$101Spirit Airlines
Find Deal
Wed, Jan 22 - Sat, Jan 25
9:08 pm - 10:18 pmLAS-SAN
1h 10mnonstop
10:40 am - 12:08 pmSAN-LAS
1h 28mnonstop
Fri, Jan 24 - Sun, Jan 26
10:45 am - 12:05 pmLAS-SAN
1h 20mnonstop
10:40 am - 12:08 pmSAN-LAS
1h 28mnonstop
$144Frontier
Find Deal
Wed, Jan 22 - Thu, Jan 23
10:45 am - 12:05 pmLAS-SAN
1h 20mnonstop
10:40 am - 12:08 pmSAN-LAS
1h 28mnonstop
$152Frontier
Find Deal
Wed, Jan 22 - Thu, Jan 23
7:45 am - 8:58 amLAS-SAN
1h 13mnonstop
10:40 am - 12:08 pmSAN-LAS
1h 28mnonstop
Sun, Jan 26 - Mon, Jan 27
7:55 am - 11:15 amLAS-SAN
3h 20m1 stop
1:30 pm - 5:10 pmSAN-LAS
3h 40m1 stop
$371Southwest
Find Deal
Wed, Jan 22 - Wed, Jan 22
7:20 am - 2:05 pmLAS-SAN
6h 45m1 stop
7:55 pm - 9:18 amSAN-LAS
13h 23m2 stops
$442Alaska Airlines
Find Deal
Sat, Jan 25 - Sat, Jan 25
5:52 pm - 7:18 pmLAS-SAN
1h 26mnonstop
9:56 pm - 11:19 pmSAN-LAS
1h 23mnonstop
$37Frontier
Find Deal
Sat, Feb 22 - Sat, Feb 22
5:52 pm - 7:18 pmLAS-SAN
1h 26mnonstop
3:00 pm - 4:19 pmSAN-LAS
1h 19mnonstop
Tue, Feb 18 - Tue, Feb 25
12:33 pm - 1:58 pmLAS-SAN
1h 25mnonstop
9:13 pm - 10:36 pmSAN-LAS
1h 23mnonstop
$42Frontier
Find Deal
Thu, Feb 13 - Sun, Feb 16
5:52 pm - 7:18 pmLAS-SAN
1h 26mnonstop
9:13 pm - 10:36 pmSAN-LAS
1h 23mnonstop
$43Frontier
Find Deal
Thu, Feb 13 - Sun, Feb 16
12:33 pm - 1:58 pmLAS-SAN
1h 25mnonstop
9:13 pm - 10:36 pmSAN-LAS
1h 23mnonstop
$44Frontier
Find Deal
Thu, Feb 13 - Sun, Feb 16
7:45 am - 8:58 amLAS-SAN
1h 13mnonstop
6:15 am - 7:40 amSAN-LAS
1h 25mnonstop
$48Spirit Airlines
Find Deal
Fri, Feb 7 - Mon, Feb 10
9:43 pm - 10:56 pmLAS-SAN
1h 13mnonstop
6:15 am - 7:38 amSAN-LAS
1h 23mnonstop
$65Spirit Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 21
4:00 pm - 5:20 pmLAS-SAN
1h 20mnonstop
1:50 pm - 3:19 pmSAN-LAS
1h 29mnonstop
$97Delta
Find Deal
Thu, Feb 13 - Sun, Feb 16
10:32 am - 11:43 amLAS-SAN
1h 11mnonstop
3:32 pm - 4:53 pmSAN-LAS
1h 21mnonstop
$297Alaska Airlines
Find Deal
Thu, Feb 6 - Sun, Feb 9
4:00 pm - 5:20 pmLAS-SAN
1h 20mnonstop
9:30 am - 10:59 amSAN-LAS
1h 29mnonstop
$357Delta
Find Deal
Thu, Feb 6 - Sun, Feb 9

Frontier flights from Las Vegas to San Diego

Our best Frontier deals on Las Vegas to San Diego flight tickets
Frontier
Feb 22
LAS5:52 pmLas Vegas Harry Reid Intl
1h 26m
SAN7:18 pmSan Diego
Feb 22
SAN9:56 pmSan Diego
1h 23m
LAS11:19 pmLas Vegas Harry Reid Intl
Frontier
Feb 13
LAS12:33 pmLas Vegas Harry Reid Intl
1h 25m
SAN1:58 pmSan Diego
Feb 16
SAN9:13 pmSan Diego
1h 23m
LAS10:36 pmLas Vegas Harry Reid Intl
Frontier
Feb 13
LAS5:52 pmLas Vegas Harry Reid Intl
1h 26m
SAN7:18 pmSan Diego
Feb 16
SAN9:13 pmSan Diego
1h 23m
LAS10:36 pmLas Vegas Harry Reid Intl

Spirit Airlines flights from Las Vegas to San Diego

Our best Spirit Airlines deals on Las Vegas to San Diego flight tickets
Spirit Airlines
Feb 20
LAS3:05 pmLas Vegas Harry Reid Intl
3h 41m
1 stop
SAN6:46 pmSan Diego
Feb 27
SAN9:56 amSan Diego
1h 22m
LAS11:18 amLas Vegas Harry Reid Intl
Spirit Airlines
Feb 22
LAS7:49 amLas Vegas Harry Reid Intl
1h 12m
SAN9:01 amSan Diego
Feb 22
SAN2:56 pmSan Diego
4h 09m
1 stop
LAS7:05 pmLas Vegas Harry Reid Intl
Spirit Airlines
Feb 6
LAS2:52 pmLas Vegas Harry Reid Intl
1h 14m
SAN4:06 pmSan Diego
Feb 10
SAN3:51 pmSan Diego
3h 58m
1 stop
LAS7:49 pmLas Vegas Harry Reid Intl

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 July, then departing from Las Vegas during the month February is also very affordable. Most momondo users find prices during this month for around $68.

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 Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $66. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $122. 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 evening when flights can be purchased for as low as $67. Flights in the afternoon are often more expensive with an average ticket price of $75.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $74 when searching 4 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 $49 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 2025, prices for Las Vegas to San Diego flights are approximately 11% 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

$20

Fastest flight time

1h 08m

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 $20. The best round-trip flight deal from Las Vegas to San Diego found on momondo in the last 72 hours is $37.
The fastest flight from Las Vegas to San Diego takes 1h 08m
Direct flights go from Las Vegas to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • 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 $37Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
DeltaPriceFrom $68Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Alaska AirlinesPriceFrom $82Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $85Free CancellationRating
8.1
4,662 reviews
Search Southwest 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 $85. Generally, Southwest has 65 flights on this route every week with an average price of $166. Southwest is rated 8.1/10 by our users.

  • Delta Flights From Las Vegas to San Diego

    $68 is the best Delta flight deal from Las Vegas to San Diego found on momondo over the last 72 hours. The average Delta ticket price found was closer to $170, however, with flight time and availability significantly affecting the price. Delta (8.0/10 from 8,521 user reviews) flies into San Diego from Las Vegas 17 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
Chula Vista
Coronado
El Cajon
Julian
La Mesa
National City
Lemon Grove
San Ysidro
Alpine
Borrego Springs
Imperial Beach
Poway
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

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