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Cheap flights from San Diego to Puerto Rico from $129

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 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Diego to Puerto Rico

Cheap round-trip flights

Spirit Airlines Logo
6:15 am - 12:54 amSAN-SJU
15h 39m2 stops
Spirit Airlines Logo
10:42 am - 10:26 pmSJU-SAN
14h 44m2 stops
$316Spirit Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
American Airlines Logo
3:01 pm - 11:11 amSAN-SJU
17h 10m2 stops
American Airlines Logo
4:43 pm - 9:27 amSJU-SAN
19h 44m1 stop
$318American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Delta Logo
6:15 am - 10:00 pmSAN-SJU
12h 45m1 stop
Delta Logo
7:15 am - 6:32 pmSJU-SAN
14h 17m1 stop
$321Delta
Find Deal
Tue, Sep 16 - Fri, Oct 24
American Airlines Logo
9:19 pm - 3:52 pmSAN-SJU
15h 33m1 stop
American Airlines Logo
6:10 am - 6:03 pmSJU-SAN
14h 53m2 stops
$325American Airlines
Find Deal
Fri, Sep 19 - Wed, Sep 24
American Airlines Logo
6:15 am - 11:37 pmSAN-SJU
14h 22m2 stops
American Airlines Logo
4:43 pm - 10:20 amSJU-SAN
20h 37m1 stop
$326American Airlines
Find Deal
Fri, Sep 26 - Fri, Oct 3
United Airlines Logo
7:00 am - 12:36 amSAN-SJU
13h 36m2 stops
United Airlines Logo
7:45 am - 1:27 pmSJU-SAN
9h 42m1 stop
$342United Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 31
Southwest Logo
11:45 am - 11:50 pmSAN-SJU
9h 05m1 stop
Southwest Logo
5:50 am - 5:35 pmSJU-SAN
14h 45m1 stop
$358Southwest
Find Deal
Thu, Sep 25 - Thu, Oct 2
United Airlines Logo
8:00 am - 8:38 pmSAN-SJU
9h 38m1 stop
United Airlines Logo
2:00 pm - 10:15 pmSJU-SAN
11h 15m1 stop
$362United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Southwest Logo
7:40 pm - 11:00 amSAN-SJU
11h 20m2 stops
Southwest Logo
6:15 am - 5:55 pmSJU-SAN
15h 40m2 stops
$371Southwest
Find Deal
Sat, Nov 8 - Sat, Nov 15
Alaska Airlines Logo
4:42 pm - 2:15 pmSAN-SJU
18h 33m1 stop
Alaska Airlines Logo
3:05 pm - 8:24 amSJU-SAN
20h 19m1 stop
$410Alaska Airlines
Find Deal
Sun, Sep 14 - Sat, Sep 20

American Airlines flights from San Diego to Puerto Rico

Our best American Airlines deals on San Diego to Puerto Rico flight tickets
American Airlines
Sep 24
SAN3:01 pmSan Diego
17h 10m
2 stops
SJU11:11 amSan Juan Luis Munoz Marin Intl
Oct 1
SJU4:43 pmSan Juan Luis Munoz Marin Intl
19h 44m
1 stop
SAN9:27 amSan Diego
$318
Find similar
American Airlines
Sep 19
SAN9:19 pmSan Diego
15h 33m
1 stop
SJU3:52 pmSan Juan Luis Munoz Marin Intl
Sep 24
SJU6:10 amSan Juan Luis Munoz Marin Intl
14h 53m
2 stops
SAN6:03 pmSan Diego
$325
Find similar
American Airlines
Sep 26
SAN6:15 amSan Diego
14h 22m
2 stops
SJU11:37 pmSan Juan Luis Munoz Marin Intl
Oct 3
SJU4:43 pmSan Juan Luis Munoz Marin Intl
20h 37m
1 stop
SAN10:20 amSan Diego
$326
Find similar

Spirit Airlines flights from San Diego to Puerto Rico

Our best Spirit Airlines deals on San Diego to Puerto Rico flight tickets
Spirit Airlines
Sep 25
SAN6:15 amSan Diego
15h 39m
2 stops
SJU12:54 amSan Juan Luis Munoz Marin Intl
Sep 29
SJU10:42 amSan Juan Luis Munoz Marin Intl
14h 44m
2 stops
SAN10:26 pmSan Diego
$316
Find similar
Spirit Airlines
Sep 13
SAN7:47 pmSan Diego
14h 56m
2 stops
SJU1:43 pmSan Juan Luis Munoz Marin Intl
Sep 21
SJU2:38 pmSan Juan Luis Munoz Marin Intl
23h 25m
1 stop
SAN11:03 amSan Diego
$338
Find similar
Spirit Airlines
Sep 19
SAN6:15 amSan Diego
35h 41m
3 stops
SJU8:56 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU2:38 pmSan Juan Luis Munoz Marin Intl
34h 48m
2 stops
SAN10:26 pmSan Diego
$341
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 August 18, 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

Thu 9/25

6:15 am-12:54 am

2 stops15h 39m

San Juan Luis Munoz Marin Intl

Mon 9/29

10:42 am-10:26 pm

2 stops14h 44m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/24

3:01 pm-11:11 am

2 stops17h 10m

San Juan Luis Munoz Marin Intl

Wed 10/1

4:43 pm-9:27 am

1 stop19h 44m

$318

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 9/16

6:15 am-10:00 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Fri 10/24

7:15 am-6:32 pm

1 stop14h 17m

$321

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 9/19

9:19 pm-3:52 pm

1 stop15h 33m

San Juan Luis Munoz Marin Intl

Wed 9/24

6:10 am-6:03 pm

2 stops14h 53m

$325

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 9/26

6:15 am-11:37 pm

2 stops14h 22m

San Juan Luis Munoz Marin Intl

Fri 10/3

4:43 pm-10:20 am

1 stop20h 37m

$326

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 1/21

7:00 am-12:36 am

2 stops13h 36m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:45 am-1:27 pm

1 stop9h 42m

$342

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 9/25

11:45 am-11:50 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Thu 10/2

5:50 am-5:35 pm

1 stop14h 45m

$358

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 10/1

8:00 am-8:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Wed 10/8

2:00 pm-10:15 pm

1 stop11h 15m

$362

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 11/8

7:40 pm-11:00 am

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:15 am-5:55 pm

2 stops15h 40m

$371

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 9/14

4:42 pm-2:15 pm

1 stop18h 33m

San Juan Luis Munoz Marin Intl

Sat 9/20

3:05 pm-8:24 am

1 stop20h 19m

$410

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 October to fly from San Diego, when ticket prices are also cheap, with an average price of $433.

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 $521 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 $442 on momondo.

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

You could potentially save up to 4% 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

Best Price Found

$129

Fastest flight time

9h 05m

Direct flights

None

Airports in Puerto Rico

2 airports
The best one-way flight to Puerto Rico from San Diego in the past 72 hours is $129. The best round-trip flight deal from San Diego to Puerto Rico found on momondo in the last 72 hours is $316.
The fastest flight from San Diego to Puerto Rico takes 9h 05m
There are no direct flights from San Diego to Puerto Rico. Popular non-direct routes for this connection are San Diego Airport - Aguadilla Borinquen Airport and San Diego Airport - San Juan Luis Munoz Marin Intl Airport.
There are 2 airports near Puerto Rico: Aguadilla Borinquen (BQN), San Juan Luis Munoz Marin Intl (SJU)
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  • 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 $168Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
JetBluePriceFrom $245Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
American AirlinesPriceFrom $322Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $352Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $473Free CancellationRating
8.0
10,000 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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Popular flights according to clicks in the last 7 days on momondo
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