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Cheap flights from New York LaGuardia Airport to San Diego from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to San Diego departing on 12/14. 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 New York LaGuardia Airport to San Diego

Cheap round-trip flights

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Multiple Airlines Logo
8:55 pm - 11:59 pmLGA-SAN
30h 04m1 stop
Multiple Airlines Logo
6:34 am - 10:00 pmSAN-LGA
12h 26m1 stop
$225Multiple Airlines
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Thu, Dec 4 - Wed, Dec 10
Frontier Logo
10:55 pm - 3:52 pmLGA-SAN
19h 57m1 stop
Frontier Logo
4:47 pm - 3:30 pmSAN-LGA
19h 43m2 stops
$229Frontier
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Fri, Dec 12 - Thu, Dec 18
United Airlines Logo
6:15 am - 11:30 amLGA-SAN
8h 15m1 stop
United Airlines Logo
12:08 pm - 11:04 pmSAN-LGA
7h 56m1 stop
$237United Airlines
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Thu, Dec 4 - Wed, Dec 17
Southwest Logo
2:10 pm - 7:15 pmLGA-SAN
8h 05m1 stop
Southwest Logo
7:35 am - 9:55 pmSAN-LGA
11h 20m2 stops
$242Southwest
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Thu, Dec 4 - Wed, Dec 10
Southwest Logo
3:30 pm - 11:25 pmLGA-SAN
10h 55m1 stop
Southwest Logo
9:35 am - 9:25 pmSAN-LGA
8h 50m1 stop
$247Southwest
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Thu, Dec 4 - Sun, Dec 7
Delta Logo
1:00 pm - 6:18 pmLGA-SAN
8h 18m1 stop
Delta Logo
12:40 pm - 11:20 pmSAN-LGA
7h 40m1 stop
$252Delta
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Mon, Dec 15 - Wed, Dec 24
American Airlines Logo
6:00 am - 12:30 pmLGA-SAN
9h 30m1 stop
American Airlines Logo
11:38 am - 10:06 pmSAN-LGA
7h 28m1 stop
$256American Airlines
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Wed, Dec 3 - Wed, Dec 17
Delta Logo
6:00 am - 11:14 amLGA-SAN
8h 14m1 stop
Delta Logo
10:00 pm - 8:59 amSAN-LGA
7h 59m1 stop
$257Delta
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Thu, Dec 11 - Tue, Jan 6
American Airlines Logo
7:00 am - 2:16 pmLGA-SAN
10h 16m1 stop
American Airlines Logo
11:38 am - 10:06 pmSAN-LGA
7h 28m1 stop
$282American Airlines
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Sat, Dec 13 - Wed, Dec 17
United Airlines Logo
6:00 am - 11:38 amLGA-SAN
8h 38m1 stop
United Airlines Logo
12:07 pm - 11:14 pmSAN-LGA
8h 07m1 stop
$293United Airlines
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Fri, Nov 21 - Thu, Nov 27

American Airlines flights from New York LaGuardia Airport to San Diego

Our best American Airlines deals on New York LaGuardia Airport to San Diego flight tickets
American Airlines
Dec 3
LGA6:00 amNew York LaGuardia
9h 30m
1 stop
SAN12:30 pmSan Diego
Dec 17
SAN11:38 amSan Diego
7h 28m
1 stop
LGA10:06 pmNew York LaGuardia
$256
Find similar
American Airlines
Dec 13
LGA7:00 amNew York LaGuardia
10h 16m
1 stop
SAN2:16 pmSan Diego
Dec 17
SAN11:38 amSan Diego
7h 28m
1 stop
LGA10:06 pmNew York LaGuardia
$282
Find similar
American Airlines
Nov 20
LGA7:00 amNew York LaGuardia
8h 29m
1 stop
SAN12:29 pmSan Diego
Nov 23
SAN7:21 amSan Diego
8h 38m
1 stop
LGA6:59 pmNew York LaGuardia
$296
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United Airlines flights from New York LaGuardia Airport to San Diego

Our best United Airlines deals on New York LaGuardia Airport to San Diego flight tickets
United Airlines
Dec 4
LGA6:15 amNew York LaGuardia
8h 15m
1 stop
SAN11:30 amSan Diego
Dec 17
SAN12:08 pmSan Diego
7h 56m
1 stop
LGA11:04 pmNew York LaGuardia
$237
Find similar
United Airlines
Nov 21
LGA6:00 amNew York LaGuardia
8h 38m
1 stop
SAN11:38 amSan Diego
Nov 27
SAN12:07 pmSan Diego
8h 07m
1 stop
LGA11:14 pmNew York LaGuardia
$293
Find similar
United Airlines
Feb 1
LGA10:28 amNew York LaGuardia
8h 12m
1 stop
SAN3:40 pmSan Diego
Feb 7
SAN9:00 amSan Diego
9h 14m
2 stops
LGA9:14 pmNew York LaGuardia
$301
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momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 6, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/4

8:55 pm-11:59 pm

1 stop30h 04m

San Diego

Wed 12/10

6:34 am-10:00 pm

1 stop12h 26m

$225

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Fri 12/12

10:55 pm-3:52 pm

1 stop19h 57m

San Diego

Thu 12/18

4:47 pm-3:30 pm

2 stops19h 43m

$229

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/4

6:15 am-11:30 am

1 stop8h 15m

San Diego

Wed 12/17

12:08 pm-11:04 pm

1 stop7h 56m

$237

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/4

2:10 pm-7:15 pm

1 stop8h 05m

San Diego

Wed 12/10

7:35 am-9:55 pm

2 stops11h 20m

$242

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/4

3:30 pm-11:25 pm

1 stop10h 55m

San Diego

Sun 12/7

9:35 am-9:25 pm

1 stop8h 50m

$247

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Mon 12/15

1:00 pm-6:18 pm

1 stop8h 18m

San Diego

Wed 12/24

12:40 pm-11:20 pm

1 stop7h 40m

$252

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Wed 12/3

6:00 am-12:30 pm

1 stop9h 30m

San Diego

Wed 12/17

11:38 am-10:06 pm

1 stop7h 28m

$256

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/11

6:00 am-11:14 am

1 stop8h 14m

San Diego

Tue 1/6

10:00 pm-8:59 am

1 stop7h 59m

$257

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Sat 12/13

7:00 am-2:16 pm

1 stop10h 16m

San Diego

Wed 12/17

11:38 am-10:06 pm

1 stop7h 28m

$282

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Fri 11/21

6:00 am-11:38 am

1 stop8h 38m

San Diego

Thu 11/27

12:07 pm-11:14 pm

1 stop8h 07m

$293

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 New York LaGuardia Airport 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 January, then departing from New York LaGuardia Airport during the month July is also very affordable. Most momondo users find prices during this month for around $305.

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

The cheapest day to depart from New York LaGuardia Airport to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $372. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $470. 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 $391. Flights at noon are often more expensive with an average ticket price of $437.

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

You are more likely to see cheaper flights to San Diego from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from New York LaGuardia Airport for as low as $293 on momondo.

What cabin class options are available on New York LaGuardia to San Diego flights?

There is only 1 cabin class available to choose from on New York LaGuardia to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New York LaGuardia Airport to San Diego flights?

You could potentially save up to 26% on your flight if you consider stops on a New York LaGuardia Airport to San Diego flight.

How have New York LaGuardia Airport to San Diego flight prices changed over time?

As of November 2025, prices for New York LaGuardia Airport to San Diego flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to San Diego

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

Cheap New York LaGuardia Airport to San Diego (LGA to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to San Diego

Direct flights

None
There are no direct flights from New York LaGuardia Airport to San Diego. There are no popular flight routes from New York LaGuardia Airport to San Diego.
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  • How far is New York LaGuardia to San Diego by plane?

    A flight from New York LaGuardia to San Diego will travel around 2432.8 mi. 7h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from New York LaGuardia Airport to San Diego Airport?

    Prices for flights from New York LaGuardia Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from New York LaGuardia Airport to San Diego Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to San Diego Airport.

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

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New York LaGuardia Airport to San Diego?

  • What is the most popular airline from New York LaGuardia Airport to San Diego?

Best airlines flying from New York LaGuardia Airport to San Diego

Compare and see reviews for airlines that fly from New York LaGuardia Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
JetBluePriceFrom $273Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

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 New York to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from New York to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from New York which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New York to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for New York to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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