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Luis Munoz Marin Intl

$133+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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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 January 24, 2026.

This SmartFares deal was found by Cheapflights users on 1/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:49 pm
SAN
-
SJU
1 stop11h 02m
JetBlue
Tue 3/36:10 am
SJU
-
SAN
1 stop12h 13m
JetBlue
Deal found 1/23$313
This Delta deal was found by Cheapflights users on 1/24. 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.
Sat 10/247:00 am
SAN
-
SJU
1 stop13h 56m
Delta
Sat 10/3112:46 pm
SJU
-
SAN
2 stops14h 01m
Delta
Deal found 1/24$316
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Sat 10/176:20 am
SAN
-
SJU
1 stop14h 21m
American Airlines
Sat 10/246:00 am
SJU
-
SAN
1 stop17h 39m
American Airlines
Deal found 1/22$318
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:45 am
SAN
-
SJU
1 stop25h 22m
Multiple Airlines
Wed 4/81:11 pm
SJU
-
SAN
2 stops21h 41m
Multiple Airlines
Deal found 1/22$328
This JetBlue deal was found by Cheapflights users on 1/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:05 pm
SAN
-
SJU
1 stop10h 50m
JetBlue
Sun 3/292:30 am
SJU
-
SAN
1 stop13h 38m
JetBlue
Deal found 1/23$329
This JetBlue deal was found by Cheapflights users on 1/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:05 am
SAN
-
SJU
1 stop12h 34m
JetBlue
Sat 5/911:20 pm
SJU
-
SAN
1 stop12h 55m
JetBlue
Deal found 1/24$330
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:20 am
SAN
-
SJU
2 stops11h 18m
United Airlines
Mon 4/271:00 am
SJU
-
SAN
2 stops13h 25m
United Airlines
Deal found 1/21$335
This United Airlines deal was found by Cheapflights users on 1/23. 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.
Thu 5/710:20 pm
SAN
-
SJU
1 stop10h 44m
United Airlines
Tue 5/127:20 am
SJU
-
SAN
2 stops13h 41m
United Airlines
Deal found 1/23$336
This United Airlines deal was found by Cheapflights users on 1/23. 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.
Sun 2/153:40 pm
SAN
-
SJU
1 stop10h 31m
United Airlines
Mon 2/232:05 am
SJU
-
SAN
1 stop12h 15m
United Airlines
Deal found 1/23$337
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:00 am
SAN
-
SJU
1 stop10h 34m
United Airlines
Tue 6/27:20 am
SJU
-
SAN
1 stop11h 13m
United Airlines
Deal found 1/21$341
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/610:21 am
SAN
-
SJU
2 stops33h 12m
Multiple Airlines
Tue 2/107:44 pm
SJU
-
SAN
1 stop26h 07m
Multiple Airlines
Deal found 1/21$342
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:15 pm
SAN
-
SJU
1 stop13h 14m
JetBlue
Mon 4/2711:59 pm
SJU
-
SAN
1 stop12h 54m
JetBlue
Deal found 1/23$346

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 January 24, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$313
(SmartFares)

One-way from

$133
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$455
Provider with most accurate pricing for San Diego-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-San Juan Luis Munoz Marin Intl flights.
Search Deals
From San Diego to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from San Diego to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 24, 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

San Diego

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 4/22

6:20 am-11:50 pm

2 stops14h 30m

San Juan Luis Munoz Marin Intl

Tue 4/28

7:00 am-1:51 pm

1 stop9h 51m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 4/21

6:20 am-8:38 pm

2 stops11h 18m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:00 am-11:25 am

2 stops13h 25m

$316

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Fri 3/6

12:49 pm-3:54 am

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Fri 3/13

3:26 am-2:15 pm

1 stop13h 49m

$329

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 3/25

10:44 am-1:25 am

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Tue 3/31

11:00 am-6:55 pm

1 stop10h 55m

$329

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 3/24

10:44 am-1:25 am

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:00 am-1:47 pm

1 stop10h 47m

$329

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Wed 3/4

1:04 pm-10:00 am

1 stop16h 56m

San Juan Luis Munoz Marin Intl

Thu 3/12

5:28 am-2:23 pm

1 stop11h 55m

$357

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 3/10

8:35 am-10:15 pm

1 stop10h 40m

San Juan Luis Munoz Marin Intl

Tue 3/24

6:40 am-7:25 pm

1 stop15h 45m

$369

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/20

10:10 pm-12:50 pm

1 stop11h 40m

San Juan Luis Munoz Marin Intl

Fri 4/24

1:50 pm-11:36 pm

2 stops12h 46m

$370

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Tue 3/10

6:15 am-9:22 pm

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Mon 3/23

1:05 am-10:20 am

1 stop12h 15m

$381

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 3/2

10:30 pm-2:40 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Tue 3/3

2:05 am-10:20 am

1 stop12h 15m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 15 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Diego-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 January 23, 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 45 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, April is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $145). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $365). 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 January 24, 2026.
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
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,787 reviews
Alaska Airlines
8.0
Very good
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,269 reviews
Alaska Airlines
8.0
Very good
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,111 reviews
Alaska Airlines
8.0
Very good
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,198 reviews
Alaska Airlines
8.0
Very good
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,197 reviews
Alaska Airlines
8.0
Very good
11,787 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 11h 05m. The distance from San Diego to San Juan Luis Munoz Marin Intl Airport is about 3304 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $89. 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?

    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 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 $52 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, April is the cheapest month in which you can book a flight from San Diego to San Juan Luis Munoz Marin Intl Airport (average of $145). Flying from San Diego to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $365). 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

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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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$538FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$215Average$453FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$387FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$295Average$467FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$306Average$473FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$324Average$523FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$382Average$590FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$585FlexibilityNo cancel feeOn-time75%

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