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Cheap flights from San Diego to Puerto Rico from $131

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 Diego to Puerto Rico departing on 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:55 pm - 12:54 pm
SAN
-
SJU
14h 59m
2 stops
United Airlines Logo
7:00 am - 1:17 pm
SJU
-
SAN
9h 17m
1 stop
$262United Airlines
Wed, Sep 9 - Fri, Sep 18
Delta Logo
8:00 am - 10:29 pm
SAN
-
SJU
11h 29m
1 stop
Delta Logo
12:56 pm - 11:00 pm
SJU
-
SAN
13h 04m
1 stop
$276Delta
Sat, Aug 15 - Wed, Aug 26
United Airlines Logo
8:00 am - 8:38 pm
SAN
-
SJU
9h 38m
1 stop
United Airlines Logo
2:20 pm - 9:25 pm
SJU
-
SAN
10h 05m
1 stop
$285United Airlines
Tue, Aug 11 - Fri, Aug 28
United Airlines Logo
8:00 am - 8:38 pm
SAN
-
SJU
9h 38m
1 stop
United Airlines Logo
1:21 pm - 10:30 pm
SJU
-
SAN
12h 09m
1 stop
$286United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
6:55 pm - 12:34 pm
SAN
-
SJU
14h 39m
2 stops
United Airlines Logo
7:00 am - 1:17 pm
SJU
-
SAN
9h 17m
1 stop
$299United Airlines
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
9:45 pm - 12:54 pm
SAN
-
SJU
12h 09m
1 stop
United Airlines Logo
2:20 pm - 9:24 pm
SJU
-
SAN
10h 04m
1 stop
$302United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
6:20 am - 8:38 pm
SAN
-
SJU
11h 18m
2 stops
United Airlines Logo
7:00 am - 6:35 pm
SJU
-
SAN
14h 35m
2 stops
$308United Airlines
Thu, Aug 13 - Wed, Aug 26
United Airlines Logo
6:55 pm - 12:34 pm
SAN
-
SJU
14h 39m
2 stops
United Airlines Logo
2:20 pm - 9:25 pm
SJU
-
SAN
10h 05m
1 stop
$316United Airlines
Fri, Aug 14 - Thu, Aug 27
United Airlines Logo
6:30 am - 11:50 pm
SAN
-
SJU
14h 20m
2 stops
United Airlines Logo
2:20 pm - 9:25 pm
SJU
-
SAN
10h 05m
1 stop
$319United Airlines
Tue, Aug 11 - Fri, Aug 28
JetBlue Logo
8:40 pm - 11:59 pm
SAN
-
PSE
24h 19m
2 stops
JetBlue Logo
5:01 am - 7:01 pm
PSE
-
SAN
17h 00m
2 stops
$838JetBlue
Tue, Jul 21 - Tue, Jul 28

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American Airlines flights from San Diego to Puerto Rico

Our best American Airlines deals on San Diego to Puerto Rico flight tickets
American Airlines
Aug 19
SAN9:40 amSan Diego
11h 19m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Aug 23
SJU12:55 amSan Juan Luis Munoz Marin Intl
11h 03m
1 stop
SAN8:58 amSan Diego
$329
American Airlines
Aug 11
SAN4:22 pmSan Diego
18h 02m
2 stops
SJU1:24 pmSan Juan Luis Munoz Marin Intl
Aug 26
SJU7:30 amSan Juan Luis Munoz Marin Intl
13h 48m
2 stops
SAN6:18 pmSan Diego
$332
American Airlines
Aug 21
SAN4:22 pmSan Diego
14h 21m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 28
SJU7:30 amSan Juan Luis Munoz Marin Intl
13h 48m
2 stops
SAN6:18 pmSan Diego
$353

Southwest flights from San Diego to Puerto Rico

Our best Southwest deals on San Diego to Puerto Rico flight tickets
Southwest
Aug 17
SAN8:40 amSan Diego
11h 25m
1 stop
SJU11:05 pmSan Juan Luis Munoz Marin Intl
Aug 21
SJU3:20 pmSan Juan Luis Munoz Marin Intl
10h 25m
1 stop
SAN10:45 pmSan Diego
$324
Southwest
Aug 21
SAN8:40 amSan Diego
11h 25m
1 stop
SJU11:05 pmSan Juan Luis Munoz Marin Intl
Aug 25
SJU10:30 amSan Juan Luis Munoz Marin Intl
11h 20m
1 stop
SAN6:50 pmSan Diego
$364
Southwest
Jul 1
SAN7:15 amSan Diego
11h 45m
1 stop
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Jul 31
SJU10:20 pmSan Juan Luis Munoz Marin Intl
14h 20m
1 stop
SAN9:40 amSan Diego
$626

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Puerto Rico 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 June 26, 2026.
Use the filters below to find and compare flights from San Diego to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/9

6:55 pm-12:54 pm

2 stops14h 59m

San Juan Luis Munoz Marin Intl

Fri 9/18

7:00 am-1:17 pm

1 stop9h 17m

$262

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 8/15

8:00 am-10:29 pm

1 stop11h 29m

San Juan Luis Munoz Marin Intl

Wed 8/26

12:56 pm-11:00 pm

1 stop13h 04m

$276
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 8/11

8:00 am-8:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 8/28

2:20 pm-9:25 pm

1 stop10h 05m

$285

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 10/21

8:00 am-8:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Sun 10/25

1:21 pm-10:30 pm

1 stop12h 09m

$286

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 8/21

6:55 pm-12:34 pm

2 stops14h 39m

San Juan Luis Munoz Marin Intl

Tue 8/25

7:00 am-1:17 pm

1 stop9h 17m

$299

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 9/13

9:45 pm-12:54 pm

1 stop12h 09m

San Juan Luis Munoz Marin Intl

Sun 9/20

2:20 pm-9:24 pm

1 stop10h 04m

$302

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 8/13

6:20 am-8:38 pm

2 stops11h 18m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:00 am-6:35 pm

2 stops14h 35m

$308

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 8/14

6:55 pm-12:34 pm

2 stops14h 39m

San Juan Luis Munoz Marin Intl

Thu 8/27

2:20 pm-9:25 pm

1 stop10h 05m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 8/11

6:30 am-11:50 pm

2 stops14h 20m

San Juan Luis Munoz Marin Intl

Fri 8/28

2:20 pm-9:25 pm

1 stop10h 05m

$319

San DiegoPonce

SAN - PSE

SANPSE

San Diego

Tue 7/21

8:40 pm-11:59 pm

2 stops24h 19m

Ponce Mercedita

Tue 7/28

5:01 am-7:01 pm

2 stops17h 00m

$838

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 Puerto Rico from

How to get the cheapest flight ticket from San Diego to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in September, then you should wait until July to fly from San Diego, when ticket prices are also cheap, with an average price of $145.

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

You are more likely to see cheaper flights to Puerto Rico from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $516 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from San Diego for as low as $445 on momondo.

Can stopping save me money on San Diego to Puerto Rico flights?

You could potentially save up to 6% on your flight if you consider stops on a San Diego to Puerto Rico flight.

Cheap San Diego to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Puerto Rico

Fastest flight time

8h 50m

Direct flights

None
The fastest flight from San Diego to Puerto Rico takes 8h 50m
There are no direct flights from San Diego to Puerto Rico. There are no popular flight routes from San Diego to Puerto Rico.
Search flight deals

Frequently asked questions about flying from San Diego to Puerto Rico

  • When did momondo last update prices for flights from San Diego Airport to Puerto Rico?

    Prices for flights from San Diego Airport to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Puerto Rico?

  • How old do you have to be to fly from San Diego Airport to Puerto Rico?

    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 Diego Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Diego to Puerto Rico?

Best airlines flying from San Diego to Puerto Rico

Compare and see reviews for airlines that fly from San Diego to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
5.6
2,866 reviews
Search Frontier flights
DeltaPriceFrom $176Free CancellationRating
7.8
8,438 reviews
Search Delta flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,886 reviews
Search United Airlines flights
American AirlinesPriceFrom $295Free CancellationRating
7.1
11,755 reviews
Search American Airlines flights
JetBluePriceFrom $306Free CancellationRating
7.1
3,002 reviews
Search JetBlue flights
SouthwestPriceFrom $382Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $426Free CancellationRating
7.9
12,573 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Puerto Rico from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Puerto Rico from San Diego.

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

Price alerts on flights to Puerto Rico from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Puerto Rico trip

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Find better results for your trip to Puerto Rico

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