Latest deals
Insights
FAQs
Reviews
Price Alerts

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

Discover deals from 900+ travel sites with momondo.

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
1:50 pm - 9:24 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
16h 34m2 stops Dallas/Fort Worth Miami
American Airlines Logo
2:54 pm - 11:33 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
11h 39m1 stop Chicago O'Hare Intl
$274American Airlines
Fri, Oct 2 - Tue, Oct 6
American Airlines Logo
1:27 pm - 10:48 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
17h 21m1 stop Miami
American Airlines Logo
6:00 am - 7:28 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
17h 28m1 stop Chicago O'Hare Intl
$274American Airlines
Thu, Jan 28 - Sat, Feb 6
Multiple Airlines Logo
12:29 pm - 2:28 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
22h 59m1 stop Jacksonville
Multiple Airlines Logo
5:37 pm - 3:41 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
25h 04m2 stops Tampa Dallas/Fort Worth
$352Multiple Airlines
Sat, Aug 29 - Tue, Sep 1
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
$406United Airlines
Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
6:15 am - 8:38 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
11h 23m2 stops Los Angeles 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
$406United Airlines
Wed, Sep 16 - Wed, Sep 23
Southwest Logo
6:35 am - 10:55 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
13h 20m1 stop Baltimore/Washington
Southwest Logo
10:50 pm - 10:00 amSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
14h 10m1 stop Orlando
$406Southwest
Fri, Sep 25 - Thu, Oct 1
Southwest Logo
7:50 pm - 11:50 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
12h 00m2 stops Las Vegas Harry Reid Intl Orlando
Southwest Logo
6:35 am - 6:20 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
15h 45m1 stop Baltimore/Washington
$406Southwest
Sun, Nov 1 - Thu, Nov 5
Delta Logo
3:54 pm - 11:40 amSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
16h 46m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 4:25 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
12h 10m1 stop Atlanta Hartsfield-Jackson
$406Delta
Sat, Oct 17 - Sat, Oct 24
Delta Logo
3:54 pm - 12:05 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
17h 11m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl
Delta Logo
7:15 am - 8:14 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
15h 59m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$406Delta
Sat, Oct 17 - Sat, Oct 24
Multiple Airlines Logo
12:29 pm - 2:28 pmSAN  San Diego-SJU San Juan Luis Munoz Marin Intl
22h 59m1 stop Jacksonville
Multiple Airlines Logo
7:55 pm - 11:51 pmSJU  San Juan Luis Munoz Marin Intl-SAN San Diego
54h 56m2 stops Philadelphia Denver Intl
$431Multiple Airlines
Sat, Aug 29 - Thu, Sep 3

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from San Diego to Puerto Rico

Our best United Airlines deals on San Diego to Puerto Rico flight tickets
United Airlines
Sep 5
SAN9:45 pmSan Diego
12h 09m
1 stop
SJU12:54 pmSan Juan Luis Munoz Marin Intl
Sep 10
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 17m
1 stop
SAN1:17 pmSan Diego
$426
United Airlines
Oct 11
SAN8:00 amSan Diego
9h 38m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 16
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 35m
2 stops
SAN11:35 amSan Diego
$440
United Airlines
Oct 1
SAN6:15 amSan Diego
11h 23m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 3
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 25m
2 stops
SAN11:25 amSan Diego
$450

American Airlines flights from San Diego to Puerto Rico

Our best American Airlines deals on San Diego to Puerto Rico flight tickets
American Airlines
Oct 24
SAN9:25 pmSan Diego
11h 06m
2 stops
SJU11:31 amSan Juan Luis Munoz Marin Intl
Oct 27
SJU6:30 amSan Juan Luis Munoz Marin Intl
10h 47m
2 stops
SAN2:17 pmSan Diego
$274
American Airlines
Oct 17
SAN9:25 pmSan Diego
10h 55m
1 stop
SJU11:20 amSan Juan Luis Munoz Marin Intl
Oct 24
SJU2:54 pmSan Juan Luis Munoz Marin Intl
11h 39m
1 stop
SAN11:33 pmSan Diego
$275
American Airlines
Oct 17
SAN9:25 pmSan Diego
10h 55m
1 stop
SJU11:20 amSan Juan Luis Munoz Marin Intl
Oct 24
SJU2:54 pmSan Juan Luis Munoz Marin Intl
11h 39m
1 stop
SAN11:33 pmSan Diego
$276

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 12, 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

Fri 10/2

1:50 pm-9:24 am

2 stops16h 34m

San Juan Luis Munoz Marin Intl

Tue 10/6

2:54 pm-11:33 pm

1 stop11h 39m

$274

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Thu 1/28

1:27 pm-10:48 am

1 stop17h 21m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:00 am-7:28 pm

1 stop17h 28m

$274

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 8/29

12:29 pm-2:28 pm

1 stop22h 59m

San Juan Luis Munoz Marin Intl

Tue 9/1

5:37 pm-3:41 pm

2 stops25h 04m

$352
Quickest round-trip

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

Wed 9/23

3:00 pm-9:24 pm

1 stop9h 24m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Wed 9/16

6:15 am-8:38 pm

2 stops11h 23m

San Juan Luis Munoz Marin Intl

Wed 9/23

3:00 pm-9:24 pm

1 stop9h 24m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Fri 9/25

6:35 am-10:55 pm

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Thu 10/1

10:50 pm-10:00 am

1 stop14h 10m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sun 11/1

7:50 pm-11:50 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 11/5

6:35 am-6:20 pm

1 stop15h 45m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 10/17

3:54 pm-11:40 am

2 stops16h 46m

San Juan Luis Munoz Marin Intl

Sat 10/24

7:15 am-4:25 pm

1 stop12h 10m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 10/17

3:54 pm-12:05 pm

2 stops17h 11m

San Juan Luis Munoz Marin Intl

Sat 10/24

7:15 am-8:14 pm

2 stops15h 59m

$406

San DiegoSan Juan

SAN San Diego - SJU San Juan Luis Munoz Marin Intl

SANSJU

San Diego

Sat 8/29

12:29 pm-2:28 pm

1 stop22h 59m

San Juan Luis Munoz Marin Intl

Thu 9/3

7:55 pm-11:51 pm

2 stops54h 56m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $432.

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 $519 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 2% 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 57m

Direct flights

None
The fastest flight from San Diego to Puerto Rico takes 8h 57m
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
2,701 reviews
Search Frontier flights
DeltaPriceFrom $193Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
10,115 reviews
Search United Airlines flights
JetBluePriceFrom $306Free CancellationRating
7.1
3,035 reviews
Search JetBlue flights
American AirlinesPriceFrom $313Free CancellationRating
7.1
11,915 reviews
Search American Airlines flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $410Free CancellationRating
7.9
12,800 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 9/11
Fri 9/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $88
Flights to Aguadillafrom $235
Flights to Poncefrom $187
Flights to Viequesfrom $373
Flights to Culebrafrom $383
Flights to Mayagüezfrom $282