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Cheap flights from San Diego to Puerto Rico from $148

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 10/17. 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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0 bags

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Find the cheapest flights from San Diego to Puerto Rico

Cheap round-trip flights

United Airlines Logo
10:18 pm - 1:40 pmSAN-SJU
12h 22m1 stop
United Airlines Logo
3:46 pm - 9:53 pmSJU-SAN
10h 07m1 stop
$295United Airlines
Find Deal
Mo, Okt 27 - Mi, Nov 5
American Airlines Logo
6:20 am - 11:59 pmSAN-SJU
14h 39m1 stop
American Airlines Logo
5:30 am - 6:47 pmSJU-SAN
16h 17m1 stop
$298American Airlines
Find Deal
Fr, Okt 17 - Do, Okt 23
United Airlines Logo
6:30 am - 11:57 pmSAN-BQN
13h 27m2 stops
United Airlines Logo
1:09 am - 10:04 amBQN-SAN
12h 55m1 stop
$303United Airlines
Find Deal
Fr, Jan 23 - Sa, Jan 31
United Airlines Logo
9:20 pm - 12:00 pmSAN-SJU
11h 40m1 stop
United Airlines Logo
1:30 pm - 11:41 pmSJU-SAN
13h 11m2 stops
$319United Airlines
Find Deal
Di, Okt 14 - Di, Okt 21
American Airlines Logo
10:23 pm - 1:43 pmSAN-SJU
11h 20m2 stops
American Airlines Logo
6:25 am - 6:59 pmSJU-SAN
16h 34m1 stop
$334American Airlines
Find Deal
Mo, Nov 10 - Mo, Nov 17
JetBlue Logo
10:06 am - 2:31 amSAN-BQN
13h 25m1 stop
JetBlue Logo
6:01 am - 7:31 pmBQN-SAN
16h 30m1 stop
$382JetBlue
Find Deal
Fr, Okt 24 - Mi, Okt 29
Southwest Logo
10:50 am - 1:25 amSAN-SJU
10h 35m1 stop
Southwest Logo
11:20 am - 6:45 pmSJU-SAN
11h 25m2 stops
$390Southwest
Find Deal
Di, Nov 25 - Di, Dez 2
JetBlue Logo
10:06 am - 2:31 amSAN-BQN
13h 25m1 stop
JetBlue Logo
6:01 am - 7:16 pmBQN-SAN
16h 15m2 stops
$396JetBlue
Find Deal
Fr, Okt 24 - Mi, Okt 29
Delta Logo
10:40 pm - 1:00 pmSAN-SJU
10h 20m1 stop
Delta Logo
6:15 am - 1:18 pmSJU-SAN
11h 03m1 stop
$420Delta
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Mo, Feb 2 - Do, Feb 12
Southwest Logo
10:50 am - 1:25 amSAN-SJU
10h 35m1 stop
Southwest Logo
8:55 am - 4:55 pmSJU-SAN
12h 00m2 stops
$427Southwest
Find Deal
Di, Nov 25 - Do, Dez 4

United Airlines flights from San Diego to Puerto Rico

Our best United Airlines deals on San Diego to Puerto Rico flight tickets
United Airlines
Oct 27
SAN10:18 pmSan Diego
12h 22m
1 stop
SJU1:40 pmSan Juan Luis Munoz Marin Intl
Nov 5
SJU3:46 pmSan Juan Luis Munoz Marin Intl
10h 07m
1 stop
SAN9:53 pmSan Diego
$295
Find similar
United Airlines
Jan 23
SAN6:30 amSan Diego
13h 27m
2 stops
BQN11:57 pmAguadilla Borinquen
Jan 31
BQN1:09 amAguadilla Borinquen
12h 55m
1 stop
SAN10:04 amSan Diego
$303
Find similar
United Airlines
Oct 14
SAN9:20 pmSan Diego
11h 40m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
Oct 22
SJU1:30 pmSan Juan Luis Munoz Marin Intl
13h 11m
2 stops
SAN11:41 pmSan Diego
$319
Find similar

Frontier flights from San Diego to Puerto Rico

Our best Frontier deals on San Diego to Puerto Rico flight tickets
Frontier
Oct 27
SAN7:43 pmSan Diego
19h 11m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU2:03 amSan Juan Luis Munoz Marin Intl
13h 14m
2 stops
SAN11:17 amSan Diego
$321
Find similar
Frontier
Oct 30
SAN6:25 amSan Diego
16h 52m
2 stops
BQN2:17 amAguadilla Borinquen
Nov 1
BQN3:12 amAguadilla Borinquen
12h 05m
2 stops
SAN12:17 pmSan Diego
$332
Find similar
Frontier
Oct 22
SAN6:41 amSan Diego
16h 49m
2 stops
SJU2:30 amSan Juan Luis Munoz Marin Intl
Oct 31
SJU9:00 amSan Juan Luis Munoz Marin Intl
17h 50m
2 stops
SAN11:50 pmSan Diego
$333
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 September 17, 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

Mo 10/27

10:18 pm-1:40 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Mi 11/5

3:46 pm-9:53 pm

1 stop10h 07m

$295

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fr 10/17

6:20 am-11:59 pm

1 stop14h 39m

San Juan Luis Munoz Marin Intl

Do 10/23

5:30 am-6:47 pm

1 stop16h 17m

$298

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Fr 1/23

6:30 am-11:57 pm

2 stops13h 27m

Aguadilla Borinquen

Sa 1/31

1:09 am-10:04 am

1 stop12h 55m

$303

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Di 10/14

9:20 pm-12:00 pm

1 stop11h 40m

San Juan Luis Munoz Marin Intl

Di 10/21

1:30 pm-11:41 pm

2 stops13h 11m

$319

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mo 11/10

10:23 pm-1:43 pm

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Mo 11/17

6:25 am-6:59 pm

1 stop16h 34m

$334

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Fr 10/24

10:06 am-2:31 am

1 stop13h 25m

Aguadilla Borinquen

Mi 10/29

6:01 am-7:31 pm

1 stop16h 30m

$382

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Di 11/25

10:50 am-1:25 am

1 stop10h 35m

San Juan Luis Munoz Marin Intl

Di 12/2

11:20 am-6:45 pm

2 stops11h 25m

$390

San DiegoAguadilla

SAN - BQN

SANBQN

San Diego

Fr 10/24

10:06 am-2:31 am

1 stop13h 25m

Aguadilla Borinquen

Mi 10/29

6:01 am-7:16 pm

2 stops16h 15m

$396

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mo 2/2

10:40 pm-1:00 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Do 2/12

6:15 am-1:18 pm

1 stop11h 03m

$420

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Di 11/25

10:50 am-1:25 am

1 stop10h 35m

San Juan Luis Munoz Marin Intl

Do 12/4

8:55 am-4:55 pm

2 stops12h 00m

$427

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 January to fly from San Diego, when ticket prices are also cheap, with an average price of $441.

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 $525 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

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
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
JetBluePriceFrom $245Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $285Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $317Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $323Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $474Free 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

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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1 adult
Fr 10/17
Fr 10/24
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Find better results for your trip to Puerto Rico

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