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Cheap flights from San Juan Luis Munoz Marin Intl Airport to San Diego from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to San Diego departing on 12/16. 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 San Juan Luis Munoz Marin Intl Airport to San Diego

Cheap round-trip flights

Delta Logo
1:46 pm - 11:14 pmSJU-SAN
13h 28m1 stop
Delta Logo
10:30 pm - 12:46 pmSAN-SJU
10h 16m1 stop
$275Delta
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Thu, Nov 6 - Sat, Nov 8
Frontier Logo
9:06 pm - 1:28 pmSJU-SAN
19h 22m2 stops
Frontier Logo
7:43 pm - 5:54 pmSAN-SJU
19h 11m2 stops
$284Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
American Airlines Logo
7:00 pm - 11:26 amSJU-SAN
19h 26m1 stop
American Airlines Logo
10:35 pm - 12:05 pmSAN-SJU
9h 30m1 stop
$295American Airlines
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Sat, Oct 25 - Mon, Nov 3
American Airlines Logo
3:05 pm - 10:36 pmSJU-SAN
10h 31m1 stop
American Airlines Logo
4:38 pm - 2:20 pmSAN-SJU
18h 42m1 stop
$297American Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 19
United Airlines Logo
7:30 am - 5:28 pmSJU-SAN
12h 58m2 stops
United Airlines Logo
8:00 am - 8:26 pmSAN-SJU
9h 26m1 stop
$325United Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
United Airlines Logo
1:05 am - 9:36 amSJU-SAN
11h 31m1 stop
United Airlines Logo
8:00 am - 8:38 pmSAN-SJU
9h 38m1 stop
$326United Airlines
Find Deal
Tue, Sep 23 - Wed, Oct 1
Southwest Logo
6:10 am - 4:25 pmSJU-SAN
13h 15m1 stop
Southwest Logo
11:20 am - 12:35 amSAN-SJU
9h 15m1 stop
$341Southwest
Find Deal
Tue, Oct 28 - Wed, Nov 5
JetBlue Logo
6:00 am - 7:30 pmSJU-SAN
16h 30m1 stop
JetBlue Logo
8:40 pm - 4:55 pmSAN-SJU
17h 15m1 stop
$369JetBlue
Find Deal
Tue, Sep 23 - Tue, Sep 30
JetBlue Logo
6:00 am - 7:30 pmSJU-SAN
16h 30m1 stop
JetBlue Logo
8:40 pm - 4:57 pmSAN-SJU
17h 17m1 stop
$373JetBlue
Find Deal
Tue, Sep 30 - Sat, Oct 4
Southwest Logo
5:00 am - 2:20 pmSJU-SAN
12h 20m2 stops
Southwest Logo
6:20 am - 12:15 amSAN-SJU
14h 55m1 stop
$390Southwest
Find Deal
Tue, Sep 30 - Sun, Oct 5

Frontier flights from San Juan Luis Munoz Marin Intl Airport to San Diego

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to San Diego flight tickets
Frontier
Oct 24
SJU9:06 pmSan Juan Luis Munoz Marin Intl
19h 22m
2 stops
SAN1:28 pmSan Diego
Oct 27
SAN7:43 pmSan Diego
19h 11m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$284
Find similar
Frontier
Oct 30
SJU10:39 pmSan Juan Luis Munoz Marin Intl
15h 38m
2 stops
SAN11:17 amSan Diego
Nov 3
SAN3:59 pmSan Diego
21h 55m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$303
Find similar
Frontier
Oct 8
SJU6:22 amSan Juan Luis Munoz Marin Intl
20h 28m
2 stops
SAN11:50 pmSan Diego
Oct 14
SAN2:11 pmSan Diego
19h 04m
2 stops
SJU12:15 pmSan Juan Luis Munoz Marin Intl
$333
Find similar

United Airlines flights from San Juan Luis Munoz Marin Intl Airport to San Diego

Our best United Airlines deals on San Juan Luis Munoz Marin Intl Airport to San Diego flight tickets
United Airlines
Oct 28
SJU7:30 amSan Juan Luis Munoz Marin Intl
12h 58m
2 stops
SAN5:28 pmSan Diego
Nov 1
SAN8:00 amSan Diego
9h 26m
1 stop
SJU8:26 pmSan Juan Luis Munoz Marin Intl
$325
Find similar
United Airlines
Sep 23
SJU1:05 amSan Juan Luis Munoz Marin Intl
11h 31m
1 stop
SAN9:36 amSan Diego
Oct 1
SAN8:00 amSan Diego
9h 38m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$326
Find similar
United Airlines
Sep 24
SJU2:55 pmSan Juan Luis Munoz Marin Intl
9h 46m
1 stop
SAN9:41 pmSan Diego
Oct 1
SAN6:15 amSan Diego
11h 23m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$330
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl 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 September 3, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 11/6

1:46 pm-11:14 pm

1 stop13h 28m

San Diego

Sat 11/8

10:30 pm-12:46 pm

1 stop10h 16m

$275

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 10/24

9:06 pm-1:28 pm

2 stops19h 22m

San Diego

Mon 10/27

7:43 pm-5:54 pm

2 stops19h 11m

$284

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 10/25

7:00 pm-11:26 am

1 stop19h 26m

San Diego

Mon 11/3

10:35 pm-12:05 pm

1 stop9h 30m

$295

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 10/3

3:05 pm-10:36 pm

1 stop10h 31m

San Diego

Sun 10/19

4:38 pm-2:20 pm

1 stop18h 42m

$297

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 10/28

7:30 am-5:28 pm

2 stops12h 58m

San Diego

Sat 11/1

8:00 am-8:26 pm

1 stop9h 26m

$325

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 9/23

1:05 am-9:36 am

1 stop11h 31m

San Diego

Wed 10/1

8:00 am-8:38 pm

1 stop9h 38m

$326

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 10/28

6:10 am-4:25 pm

1 stop13h 15m

San Diego

Wed 11/5

11:20 am-12:35 am

1 stop9h 15m

$341

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 9/23

6:00 am-7:30 pm

1 stop16h 30m

San Diego

Tue 9/30

8:40 pm-4:55 pm

1 stop17h 15m

$369

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 9/30

6:00 am-7:30 pm

1 stop16h 30m

San Diego

Sat 10/4

8:40 pm-4:57 pm

1 stop17h 17m

$373

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 9/30

5:00 am-2:20 pm

2 stops12h 20m

San Diego

Sun 10/5

6:20 am-12:15 am

1 stop14h 55m

$390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl 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 September, then departing from San Juan Luis Munoz Marin Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $463.

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

The cheapest day to depart from San Juan Luis Munoz Marin Intl Airport to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $449. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $536. 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 at noon when flights can be purchased for as low as $474. Flights in the morning are often more expensive with an average ticket price of $563.

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

You are more likely to see cheaper flights to San Diego from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $505 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Juan Luis Munoz Marin Intl Airport for as low as $276 on momondo.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to San Diego flights?

You could potentially save up to 13% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to San Diego flight.

How have San Juan Luis Munoz Marin Intl Airport to San Diego flight prices changed over time?

As of September 2025, prices for San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to San Diego

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

Cheap San Juan Luis Munoz Marin Intl Airport to San Diego (SJU to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to San Diego

Direct flights

None
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to San Diego. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to San Diego.
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  • How far is San Juan Luis Munoz Marin Intl to San Diego by plane?

    San Juan Luis Munoz Marin Intl and San Diego are 3301.1 mi apart from one another. In terms of flight time, this usually takes a little over 9h 46m.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to San Diego Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to San Diego Airport?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl 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 airline from San Juan Luis Munoz Marin Intl Airport to San Diego?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to San Diego

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $310Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $341Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
DeltaPriceFrom $351Free CancellationRating
7.9
7,972 reviews
Search Delta flights
JetBluePriceFrom $398Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
SouthwestPriceFrom $408Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $464Free CancellationRating
8.0
10,000 reviews
Search Alaska 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
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for San Juan to San Diego flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between San Juan 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 San Juan to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Juan 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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