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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 9/1. 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
10:25 pm - 1:45 pm
SAN
-
SJU
12h 20m
1 stop
United Airlines Logo
1:00 am - 11:25 am
SJU
-
SAN
13h 25m
2 stops
$257United Airlines
Wed, Sep 9 - Thu, Sep 10
United Airlines Logo
9:45 pm - 12:54 pm
SAN
-
SJU
12h 09m
1 stop
United Airlines Logo
2:20 pm - 9:25 pm
SJU
-
SAN
10h 05m
1 stop
$262United Airlines
Mon, Aug 17 - Fri, Aug 28
American Airlines Logo
6:45 am - 11:59 pm
SAN
-
SJU
14h 14m
1 stop
American Airlines Logo
3:44 pm - 8:12 am
SJU
-
SAN
19h 28m
1 stop
$267American Airlines
Wed, Aug 19 - Fri, Aug 28
United Airlines Logo
10:25 pm - 11:57 am
SAN
-
SJU
10h 32m
1 stop
United Airlines Logo
1:00 am - 11:35 am
SJU
-
SAN
13h 35m
2 stops
$269United Airlines
Sun, Sep 13 - Sat, Sep 19
Delta Logo
7:20 am - 11:56 pm
SAN
-
SJU
13h 36m
1 stop
Delta Logo
7:00 am - 6:29 pm
SJU
-
SAN
14h 29m
2 stops
$276Delta
Tue, Oct 20 - Tue, Oct 27
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
$287United Airlines
Thu, Aug 20 - Sun, Aug 30
Southwest Logo
8:40 am - 11:05 pm
SAN
-
SJU
11h 25m
1 stop
Southwest Logo
8:20 am - 4:55 pm
SJU
-
SAN
11h 35m
2 stops
$322Southwest
Mon, Aug 17 - Wed, Aug 26
American Airlines Logo
10:53 pm - 2:03 pm
SAN
-
SJU
12h 10m
1 stop
American Airlines Logo
6:00 am - 3:36 pm
SJU
-
SAN
12h 36m
1 stop
$324American Airlines
Sat, Oct 24 - Sat, Oct 31
JetBlue Logo
8:30 pm - 1:42 pm
SAN
-
BQN
14h 12m
2 stops
JetBlue Logo
2:38 pm - 9:09 am
BQN
-
SAN
21h 31m
2 stops
$797JetBlue
Mon, Jul 20 - Mon, Jul 27
JetBlue Logo
8:40 pm - 12:33 am
SAN
-
BQN
24h 53m
2 stops
JetBlue Logo
8:59 pm - 10:34 am
BQN
-
SAN
16h 35m
1 stop
$814JetBlue
Thu, Jul 23 - Mon, Jul 27

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Delta flights from San Diego to Puerto Rico

Our best Delta deals on San Diego to Puerto Rico flight tickets
Delta
Aug 17
SAN9:30 pmSan Diego
13h 12m
1 stop
SJU1:42 pmSan Juan Luis Munoz Marin Intl
Sep 2
SJU7:30 amSan Juan Luis Munoz Marin Intl
16h 06m
1 stop
SAN8:36 pmSan Diego
$276
Delta
Aug 23
SAN9:30 pmSan Diego
11h 16m
1 stop
SJU11:46 amSan Juan Luis Munoz Marin Intl
Aug 29
SJU7:00 amSan Juan Luis Munoz Marin Intl
13h 05m
1 stop
SAN5:05 pmSan Diego
$329
Delta
Sep 2
SAN8:00 amSan Diego
11h 29m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU7:00 amSan Juan Luis Munoz Marin Intl
11h 51m
1 stop
SAN3:51 pmSan Diego
$331

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
SAN6:45 amSan Diego
14h 14m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Nov 11
SJU6:25 amSan Juan Luis Munoz Marin Intl
16h 28m
1 stop
SAN6:53 pmSan Diego
$267
American Airlines
Oct 24
SAN10:53 pmSan Diego
12h 10m
1 stop
SJU2:03 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 36m
1 stop
SAN3:36 pmSan Diego
$324
American Airlines
Oct 17
SAN9:25 pmSan Diego
14h 36m
1 stop
SJU3:01 pmSan Juan Luis Munoz Marin Intl
Oct 25
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 27m
1 stop
SAN6:57 pmSan Diego
$325

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 July 6, 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

10:25 pm-1:45 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Thu 9/10

1:00 am-11:25 am

2 stops13h 25m

$257
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 8/17

9:45 pm-12:54 pm

1 stop12h 09m

San Juan Luis Munoz Marin Intl

Fri 8/28

2:20 pm-9:25 pm

1 stop10h 05m

$262

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 8/19

6:45 am-11:59 pm

1 stop14h 14m

San Juan Luis Munoz Marin Intl

Fri 8/28

3:44 pm-8:12 am

1 stop19h 28m

$267

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 9/13

10:25 pm-11:57 am

1 stop10h 32m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-11:35 am

2 stops13h 35m

$269

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 10/20

7:20 am-11:56 pm

1 stop13h 36m

San Juan Luis Munoz Marin Intl

Tue 10/27

7:00 am-6:29 pm

2 stops14h 29m

$276

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 8/20

6:55 pm-12:54 pm

2 stops14h 59m

San Juan Luis Munoz Marin Intl

Sun 8/30

7:00 am-1:17 pm

1 stop9h 17m

$287

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 8/17

8:40 am-11:05 pm

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Wed 8/26

8:20 am-4:55 pm

2 stops11h 35m

$322

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 10/24

10:53 pm-2:03 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:00 am-3:36 pm

1 stop12h 36m

$324

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Mon 7/20

8:30 pm-1:42 pm

2 stops14h 12m

Aguadilla Borinquen

Mon 7/27

2:38 pm-9:09 am

2 stops21h 31m

$797

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Thu 7/23

8:40 pm-12:33 am

2 stops24h 53m

Aguadilla Borinquen

Mon 7/27

8:59 pm-10:34 am

1 stop16h 35m

$814

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.

What is the cheapest San Diego to Puerto Rico flight route?

Fly from San Diego to San Juan Luis Munoz Marin Intl for the best San Diego - Puerto Rico flight prices

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 $519 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 $439 on momondo.

What cabin class options are available on San Diego to Puerto Rico flights?

There is only 1 cabin class available to choose from on San Diego to Puerto Rico 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 San Diego to Puerto Rico flights?

You could potentially save up to 20% 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 54m

Direct flights

None
The fastest flight from San Diego to Puerto Rico takes 8h 54m
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
2,843 reviews
Search Frontier flights
DeltaPriceFrom $176Free CancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,938 reviews
Search United Airlines flights
JetBluePriceFrom $290Free CancellationRating
7.1
3,009 reviews
Search JetBlue flights
American AirlinesPriceFrom $295Free CancellationRating
7.1
11,782 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
7.9
4,251 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $426Free CancellationRating
7.9
12,626 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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