Luis Munoz Marin Intl

$131+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
May 22 — May 291
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Cheap 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 April 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 am
SAN
-
SJU
1 stop27h 12m
Multiple Airlines
Fri 5/86:09 pm
SJU
-
SAN
2 stops32h 41m
Multiple Airlines
Deal found 4/17$325
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Sun 8/1612:32 pm
SAN
-
SJU
1 stop18h 11m
American Airlines
Sat 8/227:10 pm
SJU
-
SAN
1 stop19h 22m
American Airlines
Deal found 4/21$334
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 8/196:25 am
SAN
-
SJU
1 stop12h 59m
American Airlines
Mon 8/247:14 pm
SJU
-
SAN
1 stop18h 35m
American Airlines
Deal found 4/21$339
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 9/2811:58 pm
SAN
-
SJU
1 stop8h 12m
American Airlines
Sat 10/32:25 pm
SJU
-
SAN
1 stop11h 09m
American Airlines
Deal found 4/20$340
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 8/2610:45 pm
SAN
-
SJU
2 stops12h 53m
American Airlines
Sun 8/306:51 am
SJU
-
SAN
1 stop15h 27m
American Airlines
Deal found 4/20$345
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Fri 8/2110:45 pm
SAN
-
SJU
2 stops12h 53m
American Airlines
Fri 8/281:38 pm
SJU
-
SAN
2 stops12h 45m
American Airlines
Deal found 4/20$349
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:25 am
SAN
-
SJU
2 stops16h 36m
Multiple Airlines
Fri 5/87:00 am
SJU
-
SAN
1 stop31h 44m
Multiple Airlines
Deal found 4/18$358
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 am
SAN
-
SJU
1 stop27h 12m
Multiple Airlines
Wed 5/62:47 pm
SJU
-
SAN
2 stops20h 55m
Multiple Airlines
Deal found 4/19$370
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 9/1111:00 pm
SAN
-
SJU
2 stops12h 45m
American Airlines
Tue 9/152:25 pm
SJU
-
SAN
1 stop11h 09m
American Airlines
Deal found 4/21$374
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:25 am
SAN
-
SJU
2 stops31h 49m
Multiple Airlines
Thu 6/112:37 pm
SJU
-
SAN
1 stop31h 13m
Multiple Airlines
Deal found 4/17$375
This Priceline deal was found by Cheapflights users on 4/20. 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.
Mon 6/18:30 pm
SAN
-
SJU
1 stop23h 23m
Multiple Airlines
Thu 6/46:25 am
SJU
-
SAN
1 stop15h 05m
Multiple Airlines
Deal found 4/20$378
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 8/712:32 pm
SAN
-
SJU
1 stop18h 11m
American Airlines
Thu 8/136:51 am
SJU
-
SAN
1 stop15h 27m
American Airlines
Deal found 4/22$379

Find 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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$325
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$460
Provider with most accurate pricing for San Diego-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for San Diego-San Juan Luis Munoz Marin Intl flights.
From San Diego to San Juan Luis Munoz Marin Intl
One-way flight from San Diego to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 22, 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

Wed 9/9

7:00 am-11:59 pm

1 stop13h 59m

San Juan Luis Munoz Marin Intl

Wed 9/16

1:32 pm-11:43 pm

1 stop13h 11m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 9/2

5:00 pm-1:30 pm

2 stops17h 30m

San Juan Luis Munoz Marin Intl

Sat 9/5

7:30 am-3:21 pm

1 stop10h 51m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 8/7

7:13 pm-12:55 pm

2 stops14h 42m

San Juan Luis Munoz Marin Intl

Thu 8/13

1:06 pm-10:44 pm

1 stop12h 38m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/30

10:15 pm-1:20 pm

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Fri 6/5

6:15 am-4:30 pm

1 stop13h 15m

$386

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 7/21

6:40 am-12:45 am

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Fri 7/31

5:00 am-1:45 pm

2 stops11h 45m

$485

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 8/4

7:20 am-11:53 pm

1 stop13h 33m

San Juan Luis Munoz Marin Intl

Sun 8/9

2:05 pm-10:01 pm

1 stop10h 56m

$490

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 7/20

6:30 am-9:30 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Fri 7/31

5:00 am-2:10 pm

2 stops12h 10m

$563
Quickest round-trip

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 7/10

10:17 pm-12:55 pm

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Fri 7/17

2:42 pm-10:57 pm

1 stop11h 15m

$575

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Thu 6/25

8:35 am-11:35 pm

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Tue 6/30

6:30 am-6:20 pm

2 stops14h 50m

$594

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Sat 5/2

6:25 am-8:24 pm

2 stops10h 59m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:30 am-8:42 pm

2 stops16h 12m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from San Diego to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Luis Munoz Marin Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 17, 2026.

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 63 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, October is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $418). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $681). 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.

How much does it cost to fly round-trip from San Diego to San Juan Luis Munoz Marin Intl Airport?

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 April 22, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from San Diego to San Juan Luis Munoz Marin Intl Airport?

    Departing from San Diego to San Juan Luis Munoz Marin Intl Airport will take you 13h 59m. The distance from San Diego to San Juan Luis Munoz Marin Intl Airport is about 3304 mi.

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

    Delta, at $176, 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 Frontier and Spirit Airlines. You may be able to fly from San Diego to San Juan Luis Munoz Marin Intl Airport for 66% 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 $90. However, be on the lookout for offers from United Airlines 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?

  • 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 Reunion Tower more than anywhere else. American Airlines Center, Dallas World Aquarium, and Reunion Tower can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth. Travelers can book a car rental at Dallas/Fort Worth for about $55 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?

  • 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, October is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $418). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $681). 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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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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 April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$448FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$215Average$460FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$450FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$295Average$471FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$533FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$306Average$486FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$382Average$563FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$630FlexibilityNo cancel feeOn-time75%

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