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Cheap flights from Puerto Rico to San Diego from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to San Diego departing on 11/15. 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 Puerto Rico to San Diego

Recent round-trip flight deals from Puerto Rico to San Diego

Delta Logo
7:15 am - 8:34 pmSJU-SAN
16h 19m2 stops
Delta Logo
7:40 am - 10:59 pmSAN-SJU
11h 19m2 stops
$275Delta
Find Deal
Sat, Oct 25 - Mon, Nov 3
American Airlines Logo
5:30 am - 6:47 pmSJU-SAN
16h 17m1 stop
American Airlines Logo
10:31 pm - 3:55 pmSAN-SJU
14h 24m1 stop
$281American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Spirit Airlines Logo
4:04 pm - 7:26 amSJU-SAN
18h 22m2 stops
Spirit Airlines Logo
7:47 pm - 1:44 amSAN-SJU
26h 57m3 stops
$314Spirit Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
1:05 am - 11:40 amSJU-SAN
13h 35m2 stops
United Airlines Logo
10:18 pm - 11:49 amSAN-SJU
10h 31m1 stop
$319United Airlines
Find Deal
Fri, Oct 24 - Thu, Oct 30
Alaska Airlines Logo
4:20 pm - 11:45 pmSJU-SAN
11h 25m1 stop
Alaska Airlines Logo
3:30 pm - 5:05 amSAN-SJU
9h 35m1 stop
$351Alaska Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Southwest Logo
8:55 am - 4:55 pmSJU-SAN
12h 00m2 stops
Southwest Logo
7:40 pm - 11:00 amSAN-SJU
11h 20m2 stops
$359Southwest
Find Deal
Wed, Nov 5 - Wed, Nov 5
United Airlines Logo
1:05 am - 9:33 amSJU-SAN
11h 28m1 stop
United Airlines Logo
6:00 pm - 1:45 pmSAN-SJU
16h 45m2 stops
$365United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Southwest Logo
5:40 am - 2:45 pmSJU-SAN
13h 05m2 stops
Southwest Logo
8:45 am - 12:35 amSAN-SJU
11h 50m2 stops
$367Southwest
Find Deal
Thu, Nov 6 - Mon, Nov 10
JetBlue Logo
6:00 am - 7:30 pmSJU-SAN
16h 30m1 stop
JetBlue Logo
8:55 pm - 12:20 pmSAN-SJU
12h 25m1 stop
$386JetBlue
Find Deal
Mon, Sep 22 - Sat, Sep 27
JetBlue Logo
6:01 am - 7:46 pmBQN-SAN
17h 45m1 stop
JetBlue Logo
9:05 pm - 10:37 pmSAN-BQN
21h 32m1 stop
$494JetBlue
Find Deal
Thu, Nov 6 - Mon, Nov 10

Delta flights from Puerto Rico to San Diego

Our best Delta deals on Puerto Rico to San Diego flight tickets
Delta
Oct 25
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 19m
2 stops
SAN8:34 pmSan Diego
Nov 3
SAN7:40 amSan Diego
11h 19m
2 stops
SJU10:59 pmSan Juan Luis Munoz Marin Intl
$275
Find similar
Delta
Oct 25
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 19m
2 stops
SAN8:34 pmSan Diego
Oct 30
SAN7:10 pmSan Diego
13h 26m
2 stops
SJU11:36 amSan Juan Luis Munoz Marin Intl
$371
Find similar
Delta
Dec 24
SJU1:05 pmSan Juan Luis Munoz Marin Intl
9h 24m
1 stop
SAN6:29 pmSan Diego
Dec 31
SAN7:25 amSan Diego
11h 54m
1 stop
SJU11:19 pmSan Juan Luis Munoz Marin Intl
$417
Find similar

United Airlines flights from Puerto Rico to San Diego

Our best United Airlines deals on Puerto Rico to San Diego flight tickets
United Airlines
Oct 24
SJU1:05 amSan Juan Luis Munoz Marin Intl
13h 35m
2 stops
SAN11:40 amSan Diego
Oct 30
SAN10:18 pmSan Diego
10h 31m
1 stop
SJU11:49 amSan Juan Luis Munoz Marin Intl
$319
Find similar
United Airlines
Oct 7
SJU1:05 amSan Juan Luis Munoz Marin Intl
11h 28m
1 stop
SAN9:33 amSan Diego
Oct 14
SAN6:00 pmSan Diego
16h 45m
2 stops
SJU1:45 pmSan Juan Luis Munoz Marin Intl
$365
Find similar
United Airlines
Nov 5
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 00m
1 stop
SAN10:05 amSan Diego
Nov 10
SAN10:18 pmSan Diego
10h 31m
1 stop
SJU12:49 pmSan Juan Luis Munoz Marin Intl
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Puerto Rico to San Diego 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 21, 2025.
Use the filters below to find and compare flights from Puerto Rico to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 10/25

7:15 am-8:34 pm

2 stops16h 19m

San Diego

Mon 11/3

7:40 am-10:59 pm

2 stops11h 19m

$275

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 10/16

5:30 am-6:47 pm

1 stop16h 17m

San Diego

Mon 10/20

10:31 pm-3:55 pm

1 stop14h 24m

$281

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 10/16

4:04 pm-7:26 am

2 stops18h 22m

San Diego

Mon 10/20

7:47 pm-1:44 am

3 stops26h 57m

$314

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-11:40 am

2 stops13h 35m

San Diego

Thu 10/30

10:18 pm-11:49 am

1 stop10h 31m

$319

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 12/24

4:20 pm-11:45 pm

1 stop11h 25m

San Diego

Wed 12/31

3:30 pm-5:05 am

1 stop9h 35m

$351

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 11/5

8:55 am-4:55 pm

2 stops12h 00m

San Diego

Wed 11/5

7:40 pm-11:00 am

2 stops11h 20m

$359

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Tue 10/7

1:05 am-9:33 am

1 stop11h 28m

San Diego

Tue 10/14

6:00 pm-1:45 pm

2 stops16h 45m

$365

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 11/6

5:40 am-2:45 pm

2 stops13h 05m

San Diego

Mon 11/10

8:45 am-12:35 am

2 stops11h 50m

$367

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Mon 9/22

6:00 am-7:30 pm

1 stop16h 30m

San Diego

Sat 9/27

8:55 pm-12:20 pm

1 stop12h 25m

$386

AguadillaSan Diego

BQN - SAN

BQNSAN

Aguadilla Borinquen

Thu 11/6

6:01 am-7:46 pm

1 stop17h 45m

San Diego

Mon 11/10

9:05 pm-10:37 pm

1 stop21h 32m

$494

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 San Diego from

How to get the cheapest flight ticket from Puerto Rico to San Diego

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 San Diego?

If you are unable to visit San Diego during the month of September, then departing from Puerto Rico during the month January is also very affordable. Most momondo users find prices during this month for around $463.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Puerto Rico to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $449. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $536. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $474. Flights in the morning are often more expensive with an average ticket price of $563.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $507 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Puerto Rico for as low as $276 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a Puerto Rico to San Diego flight.

Cheap Puerto Rico to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to San Diego

Direct flights

None
There are no direct flights from Puerto Rico to San Diego. There are no popular flight routes from Puerto Rico to San Diego.
Search flight deals

  • When did momondo last update prices for flights from Puerto Rico to San Diego Airport?

    Prices for flights from Puerto Rico to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Puerto Rico to San Diego Airport?

  • How old do you have to be to fly from Puerto Rico to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Puerto Rico to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Puerto Rico to San Diego

Compare and see reviews for airlines that fly from Puerto Rico to San Diego with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $303Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
American AirlinesPriceFrom $310Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $320Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
DeltaPriceFrom $351Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $408Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $464Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Puerto Rico to San Diego for you.

Can I find flights from Puerto Rico to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Puerto Rico. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Puerto Rico to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Puerto Rico to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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