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Cheap flights from San Diego to San Juan from $130

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 San Juan departing on 5/6. 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
0 bags

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Find the cheapest flights from San Diego to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 am - 2:17 pm
SAN
-
SJU
28h 52m
2 stops
Multiple Airlines Logo
6:55 pm - 12:16 am
SJU
-
SAN
32h 21m
1 stop
$335Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
United Airlines Logo
5:00 pm - 5:29 am
SAN
-
SJU
9h 29m
1 stop
United Airlines Logo
1:00 am - 9:21 am
SJU
-
SAN
11h 21m
1 stop
$341United Airlines
Mon, May 25 - Fri, May 29
Multiple Airlines Logo
6:25 am - 12:52 am
SAN
-
SJU
15h 27m
2 stops
Multiple Airlines Logo
6:55 pm - 11:44 pm
SJU
-
SAN
31h 49m
1 stop
$342Multiple Airlines
Wed, Apr 8 - Thu, Apr 9
Multiple Airlines Logo
6:55 am - 10:37 am
SAN
-
SJU
24h 42m
1 stop
Multiple Airlines Logo
12:55 pm - 12:31 am
SJU
-
SAN
14h 36m
2 stops
$343Multiple Airlines
Sun, Mar 8 - Thu, Mar 12
Multiple Airlines Logo
6:25 am - 12:52 am
SAN
-
SJU
15h 27m
2 stops
Multiple Airlines Logo
6:49 pm - 12:11 am
SJU
-
SAN
32h 22m
1 stop
$348Multiple Airlines
Wed, Apr 8 - Sat, Apr 18
Multiple Airlines Logo
6:55 am - 11:27 am
SAN
-
SJU
25h 32m
1 stop
Multiple Airlines Logo
3:08 am - 12:11 am
SJU
-
SAN
24h 03m
2 stops
$349Multiple Airlines
Thu, Apr 16 - Sat, Apr 18
Multiple Airlines Logo
12:36 pm - 2:08 pm
SAN
-
SJU
22h 32m
2 stops
Multiple Airlines Logo
6:49 pm - 12:11 am
SJU
-
SAN
32h 22m
1 stop
$350Multiple Airlines
Thu, May 7 - Sun, May 10
United Airlines Logo
6:20 am - 8:34 pm
SAN
-
SJU
11h 14m
1 stop
United Airlines Logo
1:00 am - 9:53 am
SJU
-
SAN
11h 53m
1 stop
$351United Airlines
Wed, Apr 22 - Thu, Apr 30
Southwest Logo
6:20 am - 12:25 am
SAN
-
SJU
15h 05m
1 stop
Southwest Logo
6:30 am - 4:30 pm
SJU
-
SAN
13h 00m
1 stop
$354Southwest
Mon, Jun 8 - Tue, Jun 16
Multiple Airlines Logo
6:55 am - 10:37 am
SAN
-
SJU
24h 42m
1 stop
Multiple Airlines Logo
12:55 pm - 12:31 am
SJU
-
SAN
14h 36m
2 stops
$355Multiple Airlines
Mon, Mar 9 - Thu, Mar 12

American Airlines flights from San Diego to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on San Diego to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Apr 30
SAN4:41 pmSan Diego
8h 51m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
May 4
SJU11:59 pmSan Juan Luis Munoz Marin Intl
11h 16m
1 stop
SAN8:15 amSan Diego
$364
American Airlines
Apr 30
SAN4:41 pmSan Diego
8h 51m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
May 9
SJU2:42 pmSan Juan Luis Munoz Marin Intl
11h 28m
1 stop
SAN11:10 pmSan Diego
$366
American Airlines
Apr 18
SAN4:41 pmSan Diego
8h 51m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
Apr 27
SJU3:10 pmSan Juan Luis Munoz Marin Intl
11h 23m
1 stop
SAN11:33 pmSan Diego
$371

Frontier flights from San Diego to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on San Diego to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Feb 22
SAN6:25 amSan Diego
28h 37m
2 stops
SJU3:02 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU4:06 pmSan Juan Luis Munoz Marin Intl
27h 11m
2 stops
SAN3:17 pmSan Diego
$380
Frontier
Apr 26
SAN6:25 amSan Diego
34h 42m
2 stops
SJU8:07 pmSan Juan Luis Munoz Marin Intl
Apr 29
SJU6:30 amSan Juan Luis Munoz Marin Intl
38h 10m
2 stops
SAN5:40 pmSan Diego
$386
Frontier
Mar 3
SAN7:11 amSan Diego
22h 43m
2 stops
SJU9:54 amSan Juan Luis Munoz Marin Intl
Mar 10
SJU6:39 pmSan Juan Luis Munoz Marin Intl
32h 29m
2 stops
SAN12:08 amSan Diego
$389

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to San Juan Luis Munoz Marin Intl Airport 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 February 12, 2026.
Use the filters below to find and compare flights from San Diego to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 3/18

6:25 am-2:17 pm

2 stops28h 52m

San Juan Luis Munoz Marin Intl

Thu 3/26

6:55 pm-12:16 am

1 stop32h 21m

$335

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 5/25

5:00 pm-5:29 am

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Fri 5/29

1:00 am-9:21 am

1 stop11h 21m

$341

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/8

6:25 am-12:52 am

2 stops15h 27m

San Juan Luis Munoz Marin Intl

Thu 4/9

6:55 pm-11:44 pm

1 stop31h 49m

$342

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 3/8

6:55 am-10:37 am

1 stop24h 42m

San Juan Luis Munoz Marin Intl

Thu 3/12

12:55 pm-12:31 am

2 stops14h 36m

$343

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/8

6:25 am-12:52 am

2 stops15h 27m

San Juan Luis Munoz Marin Intl

Sat 4/18

6:49 pm-12:11 am

1 stop32h 22m

$348

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 4/16

6:55 am-11:27 am

1 stop25h 32m

San Juan Luis Munoz Marin Intl

Sat 4/18

3:08 am-12:11 am

2 stops24h 03m

$349

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 5/7

12:36 pm-2:08 pm

2 stops22h 32m

San Juan Luis Munoz Marin Intl

Sun 5/10

6:49 pm-12:11 am

1 stop32h 22m

$350

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/22

6:20 am-8:34 pm

1 stop11h 14m

San Juan Luis Munoz Marin Intl

Thu 4/30

1:00 am-9:53 am

1 stop11h 53m

$351

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 6/8

6:20 am-12:25 am

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Tue 6/16

6:30 am-4:30 pm

1 stop13h 00m

$354

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 3/9

6:55 am-10:37 am

1 stop24h 42m

San Juan Luis Munoz Marin Intl

Thu 3/12

12:55 pm-12:31 am

2 stops14h 36m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Diego to San Juan Luis Munoz Marin Intl Airport

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 typical price of a round-trip flight between San Diego and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $448.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $521 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from San Diego for as low as $419 on momondo.

Can stopping save me money on San Diego to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a San Diego to San Juan Luis Munoz Marin Intl Airport flight.

How have San Diego to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of February 2026, prices for San Diego to San Juan Luis Munoz Marin Intl Airport flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to San Juan Luis Munoz Marin Intl Airport (SAN to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

9h 29m

Direct flights

None
The fastest flight from San Diego to San Juan Luis Munoz Marin Intl Airport takes 9h 29m
There are no direct flights from San Diego to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from San Diego to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is San Diego to San Juan Luis Munoz Marin Intl by plane?

    The straight-line distance from San Diego to San Juan Luis Munoz Marin Intl is 3301.1 mi. Typically, this will take 9h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from San Diego Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from San Diego Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from San Diego to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from San Diego to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from San Diego to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $176Free CancellationRating
7.9
8,181 reviews
Search Delta flights
FrontierPriceFrom $215Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $260Free CancellationRating
6.3
8,445 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
9,281 reviews
Search United Airlines flights
JetBluePriceFrom $306Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $475Free CancellationRating
8.0
11,878 reviews
Search Alaska Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to San Juan. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Juan from San Diego which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to San Juan.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from San Diego and alert you when they change.

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