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Luis Munoz Marin Intl

$124+ Cheap flights from San Diego (SAN) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 19 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from San Diego to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$359
(Mytrip)

One-way from

$124
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$555
From San Diego to San Juan Luis Munoz Marin Intl
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One-way flight from San Diego to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 6% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Diego to Luis Munoz Marin Intl

Cheapest flights from San Diego to Luis Munoz Marin Intl
Explore the most affordable flight options available from San Diego to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:29 amSAN - SJU
2 stops26h 24mSpirit Airlines
Sun 10/2612:06 pmSJU - SAN
2 stops26h 27mSpirit Airlines
Deal found 7/26$359
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSAN - SJU
1 stop11h 23mUnited Airlines
Mon 9/227:00 amSJU - SAN
1 stop9h 54mUnited Airlines
Deal found 7/25$360
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:55 pmSAN - SJU
1 stop19h 20mAmerican Airlines
Tue 9/3012:01 pmSJU - SAN
1 stop12h 57mAmerican Airlines
Deal found 7/26$361
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:15 pmSAN - SJU
2 stops13h 33mDelta
Thu 10/212:58 pmSJU - SAN
1 stop9h 33mDelta
Deal found 7/28$393
This Priceline deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:15 pmSAN - SJU
1 stop12h 52mJetBlue
Fri 10/243:03 amSJU - SAN
1 stop19h 27mJetBlue
Deal found 7/27$399

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 28, 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

San Diego

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 10/18

8:29 am-1:53 pm

2 stops26h 24m

San Juan Luis Munoz Marin Intl

Sun 10/26

12:06 pm-11:33 am

2 stops26h 27m

$359

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/17

6:15 am-8:38 pm

1 stop11h 23m

San Juan Luis Munoz Marin Intl

Mon 9/22

7:00 am-1:54 pm

1 stop9h 54m

$360

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 9/25

3:55 pm-2:15 pm

1 stop19h 20m

San Juan Luis Munoz Marin Intl

Tue 9/30

12:01 pm-9:58 pm

1 stop12h 57m

$361

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 9/18

7:15 pm-11:48 am

2 stops13h 33m

San Juan Luis Munoz Marin Intl

Thu 10/2

12:58 pm-7:31 pm

1 stop9h 33m

$393

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 10/18

8:15 pm-12:07 pm

1 stop12h 52m

San Juan Luis Munoz Marin Intl

Fri 10/24

3:03 am-7:30 pm

1 stop19h 27m

$399

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 9/29

10:32 pm-12:47 pm

2 stops11h 15m

$138

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sun 8/17

9:00 pm-12:06 pm

1 stop12h 06m

$162

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 9/19

7:47 pm-12:44 am

3 stops25h 57m

$176

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 11/18

6:45 am-12:36 am

2 stops13h 51m

$183

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 11/28

6:07 pm-4:14 pm

1 stop18h 07m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Diego to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Luis Munoz Marin Intl. Price data was last updated on July 25, 2025.

The price you pay for your flight from San Diego to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to SJU?

Find hourly flight availability from San Diego to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s typically best to fly out from San Diego to San Juan Luis Munoz Marin Intl Airport at noon. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from San Diego to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from San Diego to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from San Diego to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dallas (DFW) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Diego to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from San Diego to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from San Diego to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $452.

What’s the fastest layover option from San Diego to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from San Diego to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 5h 19m.

Which airport typically offers the quickest layover for flights from San Diego to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from San Diego to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 30m.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Diego to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to San Juan Luis Munoz Marin Intl?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from San Diego; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the San Diego airport to San Juan Luis Munoz Marin Intl. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • What are the cheapest airlines flying from San Diego to San Juan Luis Munoz Marin Intl Airport round-trip?

    Spirit Airlines, at $359, was found to be the cheapest airline from San Diego to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include United Airlines and American Airlines. You may be able to fly from San Diego to San Juan Luis Munoz Marin Intl Airport for 31% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from San Diego to San Juan Luis Munoz Marin Intl Airport for a low price.

  • Where are the most common layover locations when flying from San Diego to San Juan Luis Munoz Marin Intl Airport?

    San Diego to San Juan Luis Munoz Marin Intl Airport flights have a layover in Dallas most of the time.

  • What are some popular things to do or see while on a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion more than anywhere else. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth. Travelers can book a car rental at Dallas/Fort Worth for about $51 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Diego to San Juan Luis Munoz Marin Intl Airport flights?

    Flights departing from San Diego and landing in San Juan Luis Munoz Marin Intl Airport layover in Miami least frequently.

  • Can I find deals for flights from San Diego to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on San Diego to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from San Diego to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from San Diego to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao

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Alternative routes for San Diego to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from San Diego to Luis Munoz Marin Intl

Discover the top 8 airlines that operate flights from San Diego to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$168Average$323FlexibilityNo cancel feeOn-time65%
FrontierCheapest$225Average$418FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$280Average$440FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$316Average$484FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$530FlexibilityNo cancel feeOn-time71%
DeltaCheapest$352Average$593FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$382Average$588FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$480Average$585FlexibilityNo cancel feeOn-time75%

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