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Cheap flights from San Diego to Puerto Rico from $142

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 1/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:25 pm - 5:01 pmSAN-SJU
14h 36m1 stop
American Airlines Logo
11:38 am - 11:09 pmSJU-SAN
15h 31m1 stop
$295American Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
Frontier Logo
6:25 am - 1:24 amSAN-SJU
38h 59m2 stops
Frontier Logo
7:01 pm - 11:51 pmSJU-SAN
32h 50m1 stop
$314Frontier
Find Deal
Wed, Dec 31 - Wed, Jan 7
Multiple Airlines Logo
6:25 am - 1:24 amSAN-SJU
38h 59m2 stops
Multiple Airlines Logo
5:28 pm - 11:51 pmSJU-SAN
10h 23m1 stop
$332Multiple Airlines
Find Deal
Wed, Dec 31 - Fri, Jan 9
United Airlines Logo
8:10 am - 10:22 pmSAN-SJU
10h 12m1 stop
United Airlines Logo
8:10 am - 6:36 pmSJU-SAN
14h 26m2 stops
$335United Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
United Airlines Logo
7:00 am - 9:00 pmSAN-SJU
10h 00m1 stop
United Airlines Logo
8:10 am - 5:28 pmSJU-SAN
13h 18m2 stops
$341United Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
6:25 am - 12:35 amSAN-SJU
14h 10m1 stop
Multiple Airlines Logo
7:10 am - 12:11 pmSJU-SAN
33h 01m2 stops
$358Multiple Airlines
Find Deal
Thu, Dec 11 - Wed, Dec 17
Southwest Logo
10:30 am - 12:35 amSAN-SJU
10h 05m1 stop
Southwest Logo
6:10 am - 2:20 pmSJU-SAN
12h 10m1 stop
$360Southwest
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Fri, Jan 23 - Tue, Feb 3
Southwest Logo
7:05 am - 11:10 pmSAN-SJU
12h 05m1 stop
Southwest Logo
12:10 pm - 6:45 pmSJU-SAN
10h 35m1 stop
$399Southwest
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Tue, Jan 13 - Tue, Jan 20
JetBlue Logo
9:05 pm - 11:22 amSAN-SJU
10h 17m1 stop
JetBlue Logo
9:30 am - 7:51 pmSJU-SAN
14h 21m1 stop
$417JetBlue
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Fri, Nov 14 - Tue, Nov 18
JetBlue Logo
9:36 pm - 9:44 pmSAN-BQN
20h 08m2 stops
JetBlue Logo
6:01 am - 7:11 pmBQN-SAN
17h 10m1 stop
$1,158JetBlue
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Sat, Nov 29 - Sat, Dec 6

American Airlines flights from San Diego to Puerto Rico

Our best American Airlines deals on San Diego to Puerto Rico flight tickets
American Airlines
Feb 3
SAN10:25 pmSan Diego
14h 36m
1 stop
SJU5:01 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU11:38 amSan Juan Luis Munoz Marin Intl
15h 31m
1 stop
SAN11:09 pmSan Diego
$295
Find similar
American Airlines
Mar 4
SAN9:52 pmSan Diego
14h 27m
1 stop
SJU4:19 pmSan Juan Luis Munoz Marin Intl
Mar 12
SJU5:35 amSan Juan Luis Munoz Marin Intl
15h 54m
1 stop
SAN6:29 pmSan Diego
$333
Find similar
American Airlines
Dec 5
SAN6:30 amSan Diego
13h 22m
1 stop
SJU11:52 pmSan Juan Luis Munoz Marin Intl
Dec 9
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 32m
2 stops
SAN2:32 pmSan Diego
$334
Find similar

Frontier flights from San Diego to Puerto Rico

Our best Frontier deals on San Diego to Puerto Rico flight tickets
Frontier
Dec 31
SAN6:25 amSan Diego
38h 59m
2 stops
SJU1:24 amSan Juan Luis Munoz Marin Intl
Jan 7
SJU7:01 pmSan Juan Luis Munoz Marin Intl
32h 50m
1 stop
SAN11:51 pmSan Diego
$314
Find similar
Frontier
Nov 14
SAN5:57 pmSan Diego
13h 22m
2 stops
SJU11:19 amSan Juan Luis Munoz Marin Intl
Nov 20
SJU7:11 amSan Juan Luis Munoz Marin Intl
20h 48m
2 stops
SAN11:59 pmSan Diego
$318
Find similar
Frontier
Nov 20
SAN6:25 amSan Diego
23h 15m
2 stops
SJU9:40 amSan Juan Luis Munoz Marin Intl
Nov 24
SJU6:52 pmSan Juan Luis Munoz Marin Intl
17h 09m
2 stops
SAN8:01 amSan Diego
$327
Find similar

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 October 30, 2025.
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

Tue 2/3

10:25 pm-5:01 pm

1 stop14h 36m

San Juan Luis Munoz Marin Intl

Tue 2/10

11:38 am-11:09 pm

1 stop15h 31m

$295

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 12/31

6:25 am-1:24 am

2 stops38h 59m

San Juan Luis Munoz Marin Intl

Wed 1/7

7:01 pm-11:51 pm

1 stop32h 50m

$314

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 12/31

6:25 am-1:24 am

2 stops38h 59m

San Juan Luis Munoz Marin Intl

Fri 1/9

5:28 pm-11:51 pm

1 stop10h 23m

$332

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 1/12

8:10 am-10:22 pm

1 stop10h 12m

San Juan Luis Munoz Marin Intl

Fri 1/16

8:10 am-6:36 pm

2 stops14h 26m

$335

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 1/13

7:00 am-9:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Tue 1/20

8:10 am-5:28 pm

2 stops13h 18m

$341

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 12/11

6:25 am-12:35 am

1 stop14h 10m

San Juan Luis Munoz Marin Intl

Wed 12/17

7:10 am-12:11 pm

2 stops33h 01m

$358

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 1/23

10:30 am-12:35 am

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:10 am-2:20 pm

1 stop12h 10m

$360

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 1/13

7:05 am-11:10 pm

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Tue 1/20

12:10 pm-6:45 pm

1 stop10h 35m

$399

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 11/14

9:05 pm-11:22 am

1 stop10h 17m

San Juan Luis Munoz Marin Intl

Tue 11/18

9:30 am-7:51 pm

1 stop14h 21m

$417

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Sat 11/29

9:36 pm-9:44 pm

2 stops20h 08m

Aguadilla Borinquen

Sat 12/6

6:01 am-7:11 pm

1 stop17h 10m

$1,158

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 January, then you should wait until September to fly from San Diego, when ticket prices are also cheap, with an average price of $452.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from San Diego is on a Saturday. momondo users have found tickets for Saturday departures for as low as $504. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $571.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from San Diego to Puerto Rico during this time can be as low as $485. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $569.

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 $529 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 10% 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

Direct flights

None
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.

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
Spirit AirlinesPriceFrom $125Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
JetBluePriceFrom $245Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom $278Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $320Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $478Free CancellationRating
8.0
11,214 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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Popular flights according to clicks in the last 7 days on momondo
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