Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to San Juan from $108

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 9/3. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from San Diego to San Juan

Cheap round-trip flights

Spirit Airlines Logo
1:35 pm - 1:53 pmSAN-SJU
21h 18m2 stops
Spirit Airlines Logo
10:42 am - 10:26 pmSJU-SAN
14h 44m2 stops
$240Spirit Airlines
Find Deal
Wed, Sep 17 - Mon, Sep 22
Spirit Airlines Logo
1:17 pm - 2:17 pmSAN-SJU
22h 00m2 stops
Spirit Airlines Logo
2:48 pm - 6:42 pmSJU-SAN
30h 54m2 stops
$260Spirit Airlines
Find Deal
Sat, Aug 30 - Thu, Sep 4
American Airlines Logo
10:32 pm - 12:47 pmSAN-SJU
11h 15m2 stops
American Airlines Logo
7:00 am - 3:30 pmSJU-SAN
11h 30m2 stops
$274American Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 8
Delta Logo
6:15 am - 10:00 pmSAN-SJU
12h 45m1 stop
Delta Logo
2:29 pm - 11:09 pmSJU-SAN
11h 40m1 stop
$275Delta
Find Deal
Mon, Sep 29 - Wed, Oct 8
Spirit Airlines Logo
6:15 am - 11:28 pmSAN-SJU
14h 13m2 stops
Spirit Airlines Logo
2:38 pm - 11:03 amSJU-SAN
23h 25m1 stop
$293Spirit Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
United Airlines Logo
10:40 pm - 12:00 pmSAN-SJU
10h 20m1 stop
United Airlines Logo
1:05 am - 9:36 amSJU-SAN
11h 31m1 stop
$304United Airlines
Find Deal
Sat, Sep 13 - Fri, Sep 19
Delta Logo
6:15 am - 10:00 pmSAN-SJU
12h 45m1 stop
Delta Logo
12:51 pm - 9:20 pmSJU-SAN
11h 29m1 stop
$312Delta
Find Deal
Sat, Sep 27 - Thu, Oct 9
American Airlines Logo
3:01 pm - 11:11 amSAN-SJU
17h 10m2 stops
American Airlines Logo
4:43 pm - 9:27 amSJU-SAN
19h 44m1 stop
$317American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Alaska Airlines Logo
5:15 pm - 2:15 pmSAN-SJU
18h 00m1 stop
Alaska Airlines Logo
3:10 pm - 8:38 amSJU-SAN
20h 28m1 stop
$350Alaska Airlines
Find Deal
Fri, Sep 26 - Thu, Oct 9
United Airlines Logo
10:30 pm - 12:00 pmSAN-SJU
10h 30m1 stop
United Airlines Logo
1:05 am - 9:33 amSJU-SAN
11h 28m1 stop
$364United Airlines
Find Deal
Sat, Sep 27 - Fri, Oct 10

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

Our best Spirit Airlines deals on San Diego to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Sep 17
SAN1:35 pmSan Diego
21h 18m
2 stops
SJU1:53 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU10:42 amSan Juan Luis Munoz Marin Intl
14h 44m
2 stops
SAN10:26 pmSan Diego
$240
Find similar
Spirit Airlines
Aug 30
SAN1:17 pmSan Diego
22h 00m
2 stops
SJU2:17 pmSan Juan Luis Munoz Marin Intl
Sep 4
SJU2:48 pmSan Juan Luis Munoz Marin Intl
30h 54m
2 stops
SAN6:42 pmSan Diego
$260
Find similar
Spirit Airlines
Sep 3
SAN6:15 amSan Diego
14h 13m
2 stops
SJU11:28 pmSan Juan Luis Munoz Marin Intl
Sep 7
SJU2:38 pmSan Juan Luis Munoz Marin Intl
23h 25m
1 stop
SAN11:03 amSan Diego
$293
Find similar

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
Sep 29
SAN10:32 pmSan Diego
11h 15m
2 stops
SJU12:47 pmSan Juan Luis Munoz Marin Intl
Oct 8
SJU7:00 amSan Juan Luis Munoz Marin Intl
11h 30m
2 stops
SAN3:30 pmSan Diego
$274
Find similar
American Airlines
Sep 24
SAN3:01 pmSan Diego
17h 10m
2 stops
SJU11:11 amSan Juan Luis Munoz Marin Intl
Oct 1
SJU4:43 pmSan Juan Luis Munoz Marin Intl
19h 44m
1 stop
SAN9:27 amSan Diego
$317
Find similar
American Airlines
Sep 22
SAN10:45 pmSan Diego
13h 08m
2 stops
SJU2:53 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU6:10 amSan Juan Luis Munoz Marin Intl
18h 48m
1 stop
SAN9:58 pmSan Diego
$318
Find similar

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 July 31, 2025.
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 9/17

1:35 pm-1:53 pm

2 stops21h 18m

San Juan Luis Munoz Marin Intl

Mon 9/22

10:42 am-10:26 pm

2 stops14h 44m

$240

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 8/30

1:17 pm-2:17 pm

2 stops22h 00m

San Juan Luis Munoz Marin Intl

Thu 9/4

2:48 pm-6:42 pm

2 stops30h 54m

$260

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 9/29

10:32 pm-12:47 pm

2 stops11h 15m

San Juan Luis Munoz Marin Intl

Wed 10/8

7:00 am-3:30 pm

2 stops11h 30m

$274

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 9/29

6:15 am-10:00 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Wed 10/8

2:29 pm-11:09 pm

1 stop11h 40m

$275

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/3

6:15 am-11:28 pm

2 stops14h 13m

San Juan Luis Munoz Marin Intl

Sun 9/7

2:38 pm-11:03 am

1 stop23h 25m

$293

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 9/13

10:40 pm-12:00 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Fri 9/19

1:05 am-9:36 am

1 stop11h 31m

$304

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 9/27

6:15 am-10:00 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Thu 10/9

12:51 pm-9:20 pm

1 stop11h 29m

$312

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/24

3:01 pm-11:11 am

2 stops17h 10m

San Juan Luis Munoz Marin Intl

Wed 10/1

4:43 pm-9:27 am

1 stop19h 44m

$317

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 9/26

5:15 pm-2:15 pm

1 stop18h 00m

San Juan Luis Munoz Marin Intl

Thu 10/9

3:10 pm-8:38 am

1 stop20h 28m

$350

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 9/27

10:30 pm-12:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Fri 10/10

1:05 am-9:33 am

1 stop11h 28m

$364

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to San Juan from

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 September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $439.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from San Diego is on a Saturday. momondo users have found tickets for Saturday departures for as low as $504. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $571.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $485. Flights in the afternoon are often more expensive with an average ticket price of $569.

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 $522 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 $437 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 26% 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 July 2025, prices for San Diego to San Juan Luis Munoz Marin Intl Airport flights are approximately 42% 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

Best Price Found

$108

Fastest flight time

9h 25m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from San Diego in the past 72 hours is $108. The best round-trip flight deal from San Diego to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $240.
The fastest flight from San Diego to San Juan Luis Munoz Marin Intl Airport takes 9h 25m
There are no direct flights from San Diego to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is San Diego Airport - 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 25m 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 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
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
JetBluePriceFrom $280Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $323Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $352Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SouthwestPriceFrom $382Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $480Free CancellationRating
8.0
10,000 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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport 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
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan