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Cheap flights from San Diego to Puerto Rico from $141

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 4/21. 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

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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
6:15 am - 8:38 pm
SAN
-
SJU
11h 23m
1 stop
United Airlines Logo
1:40 pm - 11:59 pm
SJU
-
SAN
13h 19m
2 stops
$353United Airlines
Sat, Apr 11 - Thu, Apr 16
Southwest Logo
8:30 am - 10:55 pm
SAN
-
SJU
11h 25m
1 stop
Southwest Logo
2:00 pm - 11:25 pm
SJU
-
SAN
12h 25m
2 stops
$355Southwest
Mon, Apr 6 - Thu, Apr 9
Multiple Airlines Logo
6:45 am - 11:07 am
SAN
-
SJU
25h 22m
1 stop
Multiple Airlines Logo
3:18 pm - 12:01 am
SJU
-
SAN
35h 43m
2 stops
$356Multiple Airlines
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
6:25 am - 10:53 am
SAN
-
SJU
25h 28m
2 stops
Multiple Airlines Logo
6:49 pm - 12:11 am
SJU
-
SAN
32h 22m
1 stop
$362Multiple Airlines
Tue, Apr 7 - Thu, Apr 16
Multiple Airlines Logo
10:00 am - 8:07 pm
SAN
-
SJU
31h 07m
2 stops
Multiple Airlines Logo
6:49 pm - 12:11 am
SJU
-
SAN
32h 22m
1 stop
$363Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
6:30 am - 8:51 pm
SAN
-
SJU
11h 21m
2 stops
American Airlines Logo
11:59 pm - 8:15 am
SJU
-
SAN
11h 16m
1 stop
$364American Airlines
Tue, May 5 - Mon, May 11
American Airlines Logo
7:15 am - 11:02 pm
SAN
-
SJU
12h 47m
1 stop
American Airlines Logo
11:43 am - 10:28 pm
SJU
-
SAN
13h 45m
1 stop
$366American Airlines
Thu, Apr 30 - Sat, May 9
JetBlue Logo
12:49 pm - 1:52 am
SAN
-
BQN
10h 03m
1 stop
JetBlue Logo
4:06 pm - 9:33 am
BQN
-
SAN
20h 27m
2 stops
$484JetBlue
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
7:00 am - 10:57 pm
SAN
-
BQN
12h 57m
2 stops
United Airlines Logo
12:09 am - 12:44 pm
BQN
-
SAN
15h 35m
2 stops
$487United Airlines
Tue, Mar 10 - Mon, Mar 16
JetBlue Logo
12:49 pm - 2:52 am
SAN
-
BQN
10h 03m
1 stop
JetBlue Logo
4:01 am - 7:58 pm
BQN
-
SAN
18h 57m
2 stops
$529JetBlue
Wed, Mar 4 - Tue, Mar 10

American Airlines flights from San Diego to Puerto Rico

Our best American Airlines deals on San Diego to Puerto Rico flight tickets
American Airlines
May 5
SAN6:30 amSan Diego
11h 21m
2 stops
SJU8:51 pmSan Juan Luis Munoz Marin Intl
May 11
SJU11:59 pmSan Juan Luis Munoz Marin Intl
11h 16m
1 stop
SAN8:15 amSan Diego
$364
American Airlines
Apr 30
SAN7:15 amSan Diego
12h 47m
1 stop
SJU11:02 pmSan Juan Luis Munoz Marin Intl
May 9
SJU11:43 amSan Juan Luis Munoz Marin Intl
13h 45m
1 stop
SAN10:28 pmSan Diego
$366
American Airlines
Apr 18
SAN10:30 pmSan Diego
12h 59m
1 stop
SJU2:29 pmSan Juan Luis Munoz Marin Intl
Apr 27
SJU11:59 pmSan Juan Luis Munoz Marin Intl
13h 10m
1 stop
SAN10:09 amSan Diego
$369

Southwest flights from San Diego to Puerto Rico

Our best Southwest deals on San Diego to Puerto Rico flight tickets
Southwest
May 12
SAN9:35 amSan Diego
11h 05m
2 stops
SJU11:40 pmSan Juan Luis Munoz Marin Intl
May 19
SJU11:25 amSan Juan Luis Munoz Marin Intl
12h 55m
2 stops
SAN9:20 pmSan Diego
$355
Southwest
Apr 22
SAN6:20 amSan Diego
13h 20m
1 stop
SJU10:40 pmSan Juan Luis Munoz Marin Intl
Apr 23
SJU5:05 amSan Juan Luis Munoz Marin Intl
12h 00m
2 stops
SAN2:05 pmSan Diego
$380
Southwest
Jul 14
SAN7:00 amSan Diego
12h 45m
1 stop
SJU10:45 pmSan Juan Luis Munoz Marin Intl
Jul 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
11h 55m
1 stop
SAN2:55 pmSan Diego
$384

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 February 18, 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

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 4/11

6:15 am-8:38 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Thu 4/16

1:40 pm-11:59 pm

2 stops13h 19m

$353

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/6

8:30 am-10:55 pm

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Thu 4/9

2:00 pm-11:25 pm

2 stops12h 25m

$355

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/6

6:45 am-11:07 am

1 stop25h 22m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:18 pm-12:01 am

2 stops35h 43m

$356

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 4/7

6:25 am-10:53 am

2 stops25h 28m

San Juan Luis Munoz Marin Intl

Thu 4/16

6:49 pm-12:11 am

1 stop32h 22m

$362

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/22

10:00 am-8:07 pm

2 stops31h 07m

San Juan Luis Munoz Marin Intl

Wed 4/29

6:49 pm-12:11 am

1 stop32h 22m

$363

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 5/5

6:30 am-8:51 pm

2 stops11h 21m

San Juan Luis Munoz Marin Intl

Mon 5/11

11:59 pm-8:15 am

1 stop11h 16m

$364

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 4/30

7:15 am-11:02 pm

1 stop12h 47m

San Juan Luis Munoz Marin Intl

Sat 5/9

11:43 am-10:28 pm

1 stop13h 45m

$366

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Tue 3/10

12:49 pm-1:52 am

1 stop10h 03m

Aguadilla Borinquen

Tue 3/17

4:06 pm-9:33 am

2 stops20h 27m

$484

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Tue 3/10

7:00 am-10:57 pm

2 stops12h 57m

Aguadilla Borinquen

Mon 3/16

12:09 am-12:44 pm

2 stops15h 35m

$487

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Wed 3/4

12:49 pm-2:52 am

1 stop10h 03m

Aguadilla Borinquen

Tue 3/10

4:01 am-7:58 pm

2 stops18h 57m

$529

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 October, then you should wait until September to fly from San Diego, when ticket prices are also cheap, with an average price of $439.

How far in advance should I book a flight 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 $520 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 $419 on momondo.

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

You could potentially save up to 16% 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

9h 29m

Direct flights

None
The fastest flight from San Diego to Puerto Rico takes 9h 29m
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

  • 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
DeltaPriceFrom $176Free CancellationRating
7.9
8,209 reviews
Search Delta flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,317 reviews
Search United Airlines flights
JetBluePriceFrom $214Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
FrontierPriceFrom $215Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $260Free CancellationRating
6.3
8,470 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
11,309 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,293 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $475Free CancellationRating
8.0
11,903 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

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