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Cheap flights from San Diego to Puerto Rico from $137

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 10/4. 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.
American Airlines Logo
9:25 pm - 11:20 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
10h 55m1 stop Charlotte Douglas
American Airlines Logo
7:30 am - 6:57 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
14h 27m1 stop Philadelphia
$274American Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
12:56 pm - 11:31 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
19h 35m1 stop Miami
American Airlines Logo
7:30 am - 6:57 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
14h 27m1 stop Philadelphia
$274American Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
10:10 pm - 4:50 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
14h 40m1 stop New York John F Kennedy Intl
Delta Logo
3:55 pm - 11:03 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
11h 08m1 stop Atlanta Hartsfield-Jackson
$406Delta
Sat, Jan 23 - Wed, Feb 3
United Airlines Logo
8:00 am - 8:38 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
9h 38m1 stop Houston George Bush Intcntl
United Airlines Logo
3:00 pm - 9:24 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
9h 24m1 stop Houston George Bush Intcntl
$426United Airlines
Thu, Sep 17 - Wed, Sep 23
United Airlines Logo
8:00 am - 8:38 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
9h 38m1 stop Houston George Bush Intcntl
United Airlines Logo
1:00 am - 9:49 amSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
11h 49m1 stop Newark
$426United Airlines
Wed, Sep 16 - Fri, Sep 18
Southwest Logo
6:45 am - 12:05 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
14h 20m1 stop Baltimore/Washington
Southwest Logo
9:35 pm - 11:00 amSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
17h 25m2 stops Orlando Phoenix Sky Harbor Intl
$426Southwest
Thu, Oct 29 - Sun, Nov 1
Southwest Logo
7:00 am - 9:30 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
11h 30m1 stop Orlando
Southwest Logo
5:00 am - 1:10 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
11h 10m2 stops Orlando Austin Bergstrom
$426Southwest
Sat, Oct 17 - Sat, Oct 24
Delta Logo
10:10 pm - 4:50 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
14h 40m1 stop New York John F Kennedy Intl
Delta Logo
2:15 pm - 11:03 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
12h 48m1 stop Atlanta Hartsfield-Jackson
$426Delta
Sun, Jan 17 - Wed, Feb 3
Frontier Logo
5:54 pm - 11:13 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
26h 19m2 stops Las Vegas Harry Reid Intl Orlando
Frontier Logo
3:55 pm - 4:59 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
28h 04m2 stops Orlando Las Vegas Harry Reid Intl
$445Frontier
Wed, Sep 9 - Mon, Sep 14
Frontier Logo
4:54 pm - 11:13 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
51h 19m2 stops Denver Intl Orlando
Frontier Logo
6:42 pm - 4:59 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
25h 17m2 stops Orlando Las Vegas Harry Reid Intl
$451Frontier
Wed, Sep 9 - Mon, Sep 14

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Southwest flights from San Diego to Puerto Rico

Our best Southwest deals on San Diego to Puerto Rico flight tickets
Southwest
Oct 20
SAN7:10 amSan Diego
11h 40m
2 stops
SJU9:50 pmSan Juan Luis Munoz Marin Intl
Oct 23
SJU5:30 amSan Juan Luis Munoz Marin Intl
14h 20m
2 stops
SAN4:50 pmSan Diego
$426
Southwest
Aug 31
SAN9:00 pmSan Diego
11h 00m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 10
SJU5:30 amSan Juan Luis Munoz Marin Intl
13h 45m
1 stop
SAN4:15 pmSan Diego
$443
Southwest
Sep 16
SAN9:15 amSan Diego
9h 50m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU6:00 amSan Juan Luis Munoz Marin Intl
16h 35m
1 stop
SAN7:35 pmSan Diego
$460

Frontier flights from San Diego to Puerto Rico

Our best Frontier deals on San Diego to Puerto Rico flight tickets
Frontier
Sep 9
SAN5:54 pmSan Diego
26h 19m
2 stops
SJU11:13 pmSan Juan Luis Munoz Marin Intl
Sep 14
SJU3:55 pmSan Juan Luis Munoz Marin Intl
28h 04m
2 stops
SAN4:59 pmSan Diego
$445
Frontier
Sep 9
SAN4:54 pmSan Diego
51h 19m
2 stops
SJU11:13 pmSan Juan Luis Munoz Marin Intl
Sep 14
SJU6:42 pmSan Juan Luis Munoz Marin Intl
25h 17m
2 stops
SAN4:59 pmSan Diego
$451
Frontier
Sep 13
SAN6:25 amSan Diego
23h 53m
2 stops
PSE9:18 amPonce Mercedita
Sep 20
PSE10:05 amPonce Mercedita
16h 46m
2 stops
SAN11:51 pmSan Diego
$822

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 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

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 10/24

9:25 pm-11:20 am

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Sat 10/31

7:30 am-6:57 pm

1 stop14h 27m

$274

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 10/24

12:56 pm-11:31 am

1 stop19h 35m

San Juan Luis Munoz Marin Intl

Sat 10/31

7:30 am-6:57 pm

1 stop14h 27m

$274

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 1/23

10:10 pm-4:50 pm

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Wed 2/3

3:55 pm-11:03 pm

1 stop11h 08m

$406
Quickest round-trip

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Thu 9/17

8:00 am-8:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Wed 9/23

3:00 pm-9:24 pm

1 stop9h 24m

$426

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Wed 9/16

8:00 am-8:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 9/18

1:00 am-9:49 am

1 stop11h 49m

$426

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Thu 10/29

6:45 am-12:05 am

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Sun 11/1

9:35 pm-11:00 am

2 stops17h 25m

$426

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 10/17

7:00 am-9:30 pm

1 stop11h 30m

San Juan Luis Munoz Marin Intl

Sat 10/24

5:00 am-1:10 pm

2 stops11h 10m

$426

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sun 1/17

10:10 pm-4:50 pm

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Wed 2/3

2:15 pm-11:03 pm

1 stop12h 48m

$426

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Wed 9/9

5:54 pm-11:13 pm

2 stops26h 19m

San Juan Luis Munoz Marin Intl

Mon 9/14

3:55 pm-4:59 pm

2 stops28h 04m

$445

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Wed 9/9

4:54 pm-11:13 pm

2 stops51h 19m

San Juan Luis Munoz Marin Intl

Mon 9/14

6:42 pm-4:59 pm

2 stops25h 17m

$451

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 May, then you should wait until August to fly from San Diego, when ticket prices are also cheap, with an average price of $427.

What is the cheapest San Diego to Puerto Rico flight route?

Fly from San Diego to San Juan Luis Munoz Marin Intl for the best San Diego - Puerto Rico flight prices

How far in advance should I book a flight from San Diego 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 $517 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 $450 on momondo.

What cabin class options are available on San Diego to Puerto Rico flights?

There is only 1 cabin class available to choose from on San Diego to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 9% 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

$137

Fastest flight time

8h 05m

Direct flights

None
The best one-way flight to Puerto Rico from San Diego in the past 72 hours is $137. The best round-trip flight deal from San Diego to Puerto Rico found on momondo in the last 72 hours is $274.
The fastest flight from San Diego to Puerto Rico takes 8h 05m
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

Frequently asked questions about flying from San Diego to Puerto Rico

  • 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
FrontierPriceFrom $138Free CancellationRating
5.6
2,681 reviews
Search Frontier flights
DeltaPriceFrom $193Free CancellationRating
7.8
8,504 reviews
Search Delta flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
American AirlinesPriceFrom $328Free CancellationRating
7.1
11,946 reviews
Search American Airlines flights
JetBluePriceFrom $350Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,217 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $523Free CancellationRating
7.9
12,809 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.

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