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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 6/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 11:44 am
SJU
-
SAN
31h 44m
1 stop
Multiple Airlines Logo
6:25 am - 2:08 am
SAN
-
SJU
40h 43m
2 stops
$319Multiple Airlines
Fri, May 8 - Tue, May 12
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
Multiple Airlines Logo
12:29 pm - 2:33 pm
SAN
-
SJU
23h 04m
1 stop
$339Multiple Airlines
Sat, May 16 - Sat, May 23
Frontier Logo
3:58 pm - 8:42 am
SJU
-
SAN
19h 44m
2 stops
Frontier Logo
6:25 am - 4:49 am
SAN
-
SJU
19h 24m
1 stop
$362Frontier
Sat, May 23 - Sat, May 30
American Airlines Logo
7:14 pm - 11:32 am
SJU
-
SAN
19h 18m
1 stop
American Airlines Logo
10:20 pm - 2:51 pm
SAN
-
SJU
13h 31m
1 stop
$374American Airlines
Fri, Aug 14 - Mon, Aug 17
Frontier Logo
6:25 am - 6:25 pm
SJU
-
SAN
15h 00m
1 stop
Frontier Logo
6:25 am - 6:24 am
SAN
-
SJU
20h 59m
2 stops
$376Frontier
Sat, May 23 - Tue, May 26
Delta Logo
2:05 pm - 10:01 pm
SJU
-
SAN
10h 56m
1 stop
Delta Logo
7:20 am - 11:53 pm
SAN
-
SJU
13h 33m
1 stop
$386Delta
Thu, Jul 30 - Tue, Aug 4
American Airlines Logo
7:14 pm - 11:12 am
SJU
-
SAN
18h 58m
1 stop
American Airlines Logo
6:25 am - 10:24 pm
SAN
-
SJU
12h 59m
1 stop
$395American Airlines
Thu, Jul 23 - Sat, Aug 22
American Airlines Logo
7:14 pm - 11:12 am
SJU
-
SAN
18h 58m
1 stop
American Airlines Logo
9:40 pm - 1:43 pm
SAN
-
SJU
13h 03m
1 stop
$396American Airlines
Thu, Jul 23 - Sat, Aug 22
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
Multiple Airlines Logo
6:25 am - 1:32 pm
SAN
-
SJU
28h 07m
1 stop
$397Multiple Airlines
Sat, May 16 - Thu, May 21
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
Multiple Airlines Logo
5:17 pm - 12:41 am
SAN
-
SJU
28h 24m
2 stops
$404Multiple Airlines
Sat, May 16 - Sat, May 23

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

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to San Diego flight tickets
American Airlines
Aug 14
SJU7:14 pmSan Juan Luis Munoz Marin Intl
19h 18m
1 stop
SAN11:32 amSan Diego
Aug 17
SAN10:20 pmSan Diego
13h 31m
1 stop
SJU2:51 pmSan Juan Luis Munoz Marin Intl
$374
American Airlines
Jul 23
SJU7:14 pmSan Juan Luis Munoz Marin Intl
18h 58m
1 stop
SAN11:12 amSan Diego
Aug 22
SAN6:25 amSan Diego
12h 59m
1 stop
SJU10:24 pmSan Juan Luis Munoz Marin Intl
$395
American Airlines
Jul 23
SJU7:14 pmSan Juan Luis Munoz Marin Intl
18h 58m
1 stop
SAN11:12 amSan Diego
Aug 22
SAN4:22 pmSan Diego
14h 21m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
$396

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

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to San Diego flight tickets
JetBlue
May 8
SJU8:00 amSan Juan Luis Munoz Marin Intl
14h 15m
1 stop
SAN7:15 pmSan Diego
May 12
SAN8:30 pmSan Diego
22h 12m
1 stop
SJU9:42 pmSan Juan Luis Munoz Marin Intl
$549
JetBlue
May 8
SJU8:00 amSan Juan Luis Munoz Marin Intl
14h 15m
1 stop
SAN7:15 pmSan Diego
May 11
SAN8:30 pmSan Diego
12h 30m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
$583
JetBlue
May 8
SJU8:00 amSan Juan Luis Munoz Marin Intl
14h 15m
1 stop
SAN7:15 pmSan Diego
May 11
SAN8:30 pmSan Diego
12h 30m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
$623

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 April 27, 2026.
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

Cheapest round-trip

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 5/8

7:00 am-11:44 am

1 stop31h 44m

San Diego

Tue 5/12

6:25 am-2:08 am

2 stops40h 43m

$319

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/16

6:30 am-8:42 am

2 stops29h 12m

San Diego

Sat 5/23

12:29 pm-2:33 pm

1 stop23h 04m

$339

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/23

3:58 pm-8:42 am

2 stops19h 44m

San Diego

Sat 5/30

6:25 am-4:49 am

1 stop19h 24m

$362

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 8/14

7:14 pm-11:32 am

1 stop19h 18m

San Diego

Mon 8/17

10:20 pm-2:51 pm

1 stop13h 31m

$374

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/23

6:25 am-6:25 pm

1 stop15h 00m

San Diego

Tue 5/26

6:25 am-6:24 am

2 stops20h 59m

$376
Quickest round-trip

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 7/30

2:05 pm-10:01 pm

1 stop10h 56m

San Diego

Tue 8/4

7:20 am-11:53 pm

1 stop13h 33m

$386

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 7/23

7:14 pm-11:12 am

1 stop18h 58m

San Diego

Sat 8/22

6:25 am-10:24 pm

1 stop12h 59m

$395

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 7/23

7:14 pm-11:12 am

1 stop18h 58m

San Diego

Sat 8/22

9:40 pm-1:43 pm

1 stop13h 03m

$396

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/16

6:30 am-8:42 am

2 stops29h 12m

San Diego

Thu 5/21

6:25 am-1:32 pm

1 stop28h 07m

$397

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/16

6:30 am-8:42 am

2 stops29h 12m

San Diego

Sat 5/23

5:17 pm-12:41 am

2 stops28h 24m

$404

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 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 typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from San Juan Luis Munoz Marin Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $445.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport 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 $469 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 $373 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 18% 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 April 2026, prices for San Juan Luis Munoz Marin Intl Airport to San Diego flights are approximately 44% 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

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to San Diego takes 9h 30m
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.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to San Diego

  • 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 30m.

  • 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
DeltaPriceFrom $295Free CancellationRating
7.9
8,462 reviews
Search Delta flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
9,668 reviews
Search United Airlines flights
American AirlinesPriceFrom $295Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,321 reviews
Search Southwest flights
JetBluePriceFrom $327Free CancellationRating
7.1
2,963 reviews
Search JetBlue flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
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El Cajon
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
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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