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Cheap flights from San Diego to San Juan from $133

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 4/28. 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 San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 11:10 pm
SAN
-
SJU
13h 10m
1 stop
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
$328Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
6:25 am - 11:43 pm
SAN
-
SJU
14h 18m
2 stops
Multiple Airlines Logo
2:37 pm - 3:26 pm
SJU
-
SAN
27h 49m
1 stop
$329Multiple Airlines
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
7:20 am - 1:32 pm
SAN
-
SJU
27h 12m
1 stop
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
$333Multiple Airlines
Sun, May 3 - Fri, May 8
Multiple Airlines Logo
11:42 am - 10:39 am
SAN
-
SJU
19h 57m
2 stops
Multiple Airlines Logo
2:37 pm - 6:25 pm
SJU
-
SAN
30h 48m
1 stop
$334Multiple Airlines
Sat, May 2 - Fri, May 8
Multiple Airlines Logo
6:45 am - 11:49 am
SAN
-
SJU
26h 04m
2 stops
Multiple Airlines Logo
7:00 am - 5:52 pm
SJU
-
SAN
37h 52m
3 stops
$335Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
Multiple Airlines Logo
7:45 am - 11:10 pm
SAN
-
SJU
12h 25m
1 stop
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
$342Multiple Airlines
Thu, Apr 30 - Sat, May 9
Multiple Airlines Logo
10:30 am - 12:29 am
SAN
-
SJU
34h 59m
2 stops
Multiple Airlines Logo
5:45 am - 12:11 am
SJU
-
SAN
21h 26m
1 stop
$345Multiple Airlines
Wed, Apr 22 - Sun, Apr 26
Multiple Airlines Logo
6:45 am - 11:07 am
SAN
-
SJU
25h 22m
1 stop
Multiple Airlines Logo
5:45 am - 12:11 am
SJU
-
SAN
21h 26m
1 stop
$347Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
Multiple Airlines Logo
6:25 am - 1:32 pm
SAN
-
SJU
28h 07m
1 stop
Multiple Airlines Logo
6:30 am - 8:42 am
SJU
-
SAN
29h 12m
2 stops
$350Multiple Airlines
Thu, May 7 - Sat, May 16
Multiple Airlines Logo
6:25 am - 11:10 pm
SAN
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
11:30 am - 8:34 am
SJU
-
SAN
48h 04m
2 stops
$351Multiple Airlines
Mon, Apr 20 - Sat, Apr 25

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

Our best JetBlue deals on San Diego to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
May 11
SAN9:10 pmSan Diego
10h 14m
1 stop
SJU10:24 amSan Juan Luis Munoz Marin Intl
May 18
SJU10:55 pmSan Juan Luis Munoz Marin Intl
13h 20m
1 stop
SAN9:15 amSan Diego
$400
JetBlue
Apr 28
SAN9:15 pmSan Diego
13h 14m
1 stop
SJU1:29 pmSan Juan Luis Munoz Marin Intl
May 10
SJU10:55 pmSan Juan Luis Munoz Marin Intl
13h 20m
1 stop
SAN9:15 amSan Diego
$403
JetBlue
May 2
SAN9:15 pmSan Diego
10h 04m
1 stop
SJU10:19 amSan Juan Luis Munoz Marin Intl
May 6
SJU8:00 amSan Juan Luis Munoz Marin Intl
14h 18m
1 stop
SAN7:18 pmSan Diego
$405

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
May 18
SAN6:25 amSan Diego
32h 01m
2 stops
SJU5:26 pmSan Juan Luis Munoz Marin Intl
May 23
SJU6:25 amSan Juan Luis Munoz Marin Intl
15h 00m
1 stop
SAN6:25 pmSan Diego
$377
Frontier
May 24
SAN6:25 amSan Diego
19h 24m
1 stop
SJU4:49 amSan Juan Luis Munoz Marin Intl
May 31
SJU6:09 pmSan Juan Luis Munoz Marin Intl
27h 24m
2 stops
SAN6:33 pmSan Diego
$387

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 April 2, 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

Cheapest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 5/1

7:00 am-11:10 pm

1 stop13h 10m

San Juan Luis Munoz Marin Intl

Fri 5/8

6:30 am-8:42 am

2 stops29h 12m

$328

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 5/4

6:25 am-11:43 pm

2 stops14h 18m

San Juan Luis Munoz Marin Intl

Fri 5/8

2:37 pm-3:26 pm

1 stop27h 49m

$329

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 5/3

7:20 am-1:32 pm

1 stop27h 12m

San Juan Luis Munoz Marin Intl

Fri 5/8

6:30 am-8:42 am

2 stops29h 12m

$333

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/2

11:42 am-10:39 am

2 stops19h 57m

San Juan Luis Munoz Marin Intl

Fri 5/8

2:37 pm-6:25 pm

1 stop30h 48m

$334

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/13

6:45 am-11:49 am

2 stops26h 04m

San Juan Luis Munoz Marin Intl

Thu 4/16

7:00 am-5:52 pm

3 stops37h 52m

$335
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 4/30

7:45 am-11:10 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Sat 5/9

6:30 am-8:42 am

2 stops29h 12m

$342

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/22

10:30 am-12:29 am

2 stops34h 59m

San Juan Luis Munoz Marin Intl

Sun 4/26

5:45 am-12:11 am

1 stop21h 26m

$345

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/13

6:45 am-11:07 am

1 stop25h 22m

San Juan Luis Munoz Marin Intl

Thu 4/16

5:45 am-12:11 am

1 stop21h 26m

$347

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 5/7

6:25 am-1:32 pm

1 stop28h 07m

San Juan Luis Munoz Marin Intl

Sat 5/16

6:30 am-8:42 am

2 stops29h 12m

$350

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/20

6:25 am-11:10 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Sat 4/25

11:30 am-8:34 am

2 stops48h 04m

$351

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 September is also cheap. Prices for this month can be found on momondo for an average of $431.

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 $516 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 $434 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 15% 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 April 2026, prices for San Diego to San Juan Luis Munoz Marin Intl Airport flights are approximately 7% more expensive 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 14m

Direct flights

None
The fastest flight from San Diego to San Juan Luis Munoz Marin Intl Airport takes 9h 14m
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

Frequently asked questions about flying from San Diego to San Juan Luis Munoz Marin Intl Airport

  • 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 14m 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
8,371 reviews
Search Delta flights
FrontierPriceFrom $215Free CancellationRating
5.7
3,003 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $260Free CancellationRating
6.3
8,576 reviews
Search Spirit Airlines flights
JetBluePriceFrom $269Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
9,532 reviews
Search United Airlines flights
American AirlinesPriceFrom $312Free CancellationRating
7.1
11,548 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,339 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $475Free CancellationRating
7.9
12,154 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
Rio Grande
Caguas
Humacao
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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