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Cheap flights from San Diego to Puerto Rico from $146

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 5/18. 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

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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 - 9:30 pm
SJU
-
SAN
10h 50m
1 stop
$355United Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
6:25 am - 11:10 pm
SAN
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
6:41 pm - 6:33 pm
SJU
-
SAN
26h 52m
2 stops
$356Multiple Airlines
Sat, May 9 - Wed, May 20
Multiple Airlines Logo
6:25 am - 11:10 pm
SAN
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
6:09 pm - 5:59 pm
SJU
-
SAN
26h 50m
2 stops
$357Multiple Airlines
Sat, May 9 - Mon, May 18
Multiple Airlines Logo
7:45 am - 11:10 pm
SAN
-
SJU
12h 25m
1 stop
Multiple Airlines Logo
3:03 am - 5:59 pm
SJU
-
SAN
17h 56m
2 stops
$359Multiple Airlines
Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
7:45 am - 11:10 pm
SAN
-
SJU
12h 25m
1 stop
Multiple Airlines Logo
3:03 am - 5:59 pm
SJU
-
SAN
41h 56m
2 stops
$365Multiple Airlines
Thu, Apr 30 - Mon, May 4
Delta Logo
10:30 pm - 11:45 am
SAN
-
SJU
10h 15m
1 stop
Delta Logo
6:15 am - 8:42 pm
SJU
-
SAN
17h 27m
2 stops
$366Delta
Sat, May 2 - Tue, May 5
American Airlines Logo
10:05 pm - 12:29 pm
SAN
-
SJU
11h 24m
1 stop
American Airlines Logo
1:31 pm - 10:00 pm
SJU
-
SAN
11h 29m
2 stops
$368American Airlines
Mon, Apr 20 - Fri, Apr 24
American Airlines Logo
10:30 pm - 12:35 pm
SAN
-
SJU
11h 05m
1 stop
American Airlines Logo
7:00 pm - 11:53 am
SJU
-
SAN
19h 53m
1 stop
$369American Airlines
Mon, May 4 - Tue, May 5
JetBlue Logo
8:45 pm - 12:03 am
SAN
-
PSE
24h 18m
2 stops
JetBlue Logo
5:05 am - 7:08 pm
PSE
-
SAN
17h 03m
2 stops
$1,594JetBlue
Sun, May 24 - Tue, Jun 2
JetBlue Logo
11:05 am - 7:49 am
SAN
-
PSE
17h 44m
2 stops
JetBlue Logo
5:05 am - 7:08 pm
PSE
-
SAN
17h 03m
2 stops
$2,101JetBlue
Thu, May 14 - Fri, May 22

United Airlines flights from San Diego to Puerto Rico

Our best United Airlines deals on San Diego to Puerto Rico flight tickets
United Airlines
Apr 14
SAN6:15 amSan Diego
11h 23m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 21
SJU1:40 pmSan Juan Luis Munoz Marin Intl
10h 50m
1 stop
SAN9:30 pmSan Diego
$355
United Airlines
May 5
SAN6:32 amSan Diego
14h 18m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
18h 19m
2 stops
SAN10:39 pmSan Diego
$377
United Airlines
Apr 14
SAN6:15 amSan Diego
11h 23m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 21
SJU7:00 amSan Juan Luis Munoz Marin Intl
13h 16m
2 stops
SAN5:16 pmSan Diego
$381

Southwest flights from San Diego to Puerto Rico

Our best Southwest deals on San Diego to Puerto Rico flight tickets
Southwest
Jun 1
SAN6:50 amSan Diego
13h 50m
1 stop
SJU11:40 pmSan Juan Luis Munoz Marin Intl
Jun 6
SJU9:25 pmSan Juan Luis Munoz Marin Intl
15h 05m
1 stop
SAN9:30 amSan Diego
$385
Southwest
May 8
SAN9:00 amSan Diego
11h 25m
1 stop
SJU11:25 pmSan Juan Luis Munoz Marin Intl
May 16
SJU2:10 pmSan Juan Luis Munoz Marin Intl
12h 05m
2 stops
SAN11:15 pmSan Diego
$398
Southwest
May 6
SAN10:10 pmSan Diego
13h 45m
1 stop
SJU2:55 pmSan Juan Luis Munoz Marin Intl
May 10
SJU5:00 amSan Juan Luis Munoz Marin Intl
13h 15m
1 stop
SAN3:15 pmSan Diego
$404

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 March 17, 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
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 4/14

6:15 am-8:38 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:40 pm-9:30 pm

1 stop10h 50m

$355

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/9

6:25 am-11:10 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Wed 5/20

6:41 pm-6:33 pm

2 stops26h 52m

$356

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/9

6:25 am-11:10 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Mon 5/18

6:09 pm-5:59 pm

2 stops26h 50m

$357

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 4/30

7:45 am-11:10 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Tue 5/5

3:03 am-5:59 pm

2 stops17h 56m

$359

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 4/30

7:45 am-11:10 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Mon 5/4

3:03 am-5:59 pm

2 stops41h 56m

$365

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/2

10:30 pm-11:45 am

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Tue 5/5

6:15 am-8:42 pm

2 stops17h 27m

$366

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/20

10:05 pm-12:29 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

Fri 4/24

1:31 pm-10:00 pm

2 stops11h 29m

$368

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 5/4

10:30 pm-12:35 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:00 pm-11:53 am

1 stop19h 53m

$369

San DiegoPonce

SAN - PSE

SANPSE

San Diego

Sun 5/24

8:45 pm-12:03 am

2 stops24h 18m

Ponce Mercedita

Tue 6/2

5:05 am-7:08 pm

2 stops17h 03m

$1,594

San DiegoPonce

SAN - PSE

SANPSE

San Diego

Thu 5/14

11:05 am-7:49 am

2 stops17h 44m

Ponce Mercedita

Fri 5/22

5:05 am-7:08 pm

2 stops17h 03m

$2,101

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 $431.

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 $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 $434 on momondo.

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

You could potentially save up to 19% 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 08m

Direct flights

None
The fastest flight from San Diego to Puerto Rico takes 8h 08m
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 $170Free CancellationRating
7.9
8,288 reviews
Search Delta flights
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
JetBluePriceFrom $214Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
FrontierPriceFrom $215Free CancellationRating
5.7
3,027 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $260Free CancellationRating
6.3
8,520 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,320 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $475Free CancellationRating
7.9
12,058 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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