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$127+ Cheap flights from Luis Munoz Marin Intl (SJU) to San Diego (SAN)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to San Diego are usually found in August or May, booked 17 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from Luis Munoz Marin Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to San Diego (SAN). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Mytrip)

One-way from

$127
(Mytrip)

Popular in

February

Cheapest in

August

Average price

$517
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-San Diego flights.
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From San Juan Luis Munoz Marin Intl to San Diego
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One-way flight from San Juan Luis Munoz Marin Intl to San Diego
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Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Luis Munoz Marin Intl to San Diego

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

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Wed 4/3012:54 amSJU - SAN
2 stops33h 40mSpirit Airlines
Mon 5/59:08 pmSAN - SJU
2 stops23h 31mSpirit Airlines
Deal found 3/26$261
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/102:31 pmSJU - SAN
1 stop12h 11mDelta
Sun 5/186:15 amSAN - SJU
1 stop13h 32mDelta
Deal found 3/25$341
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:05 amSJU - SAN
1 stop11h 36mUnited Airlines
Fri 7/410:15 pmSAN - SJU
1 stop11h 19mUnited Airlines
Deal found 3/27$367
This American Airlines deal was found by Cheapflights users on 3/26. 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 9/111:55 pmSJU - SAN
2 stops11h 19mAmerican Airlines
Thu 9/183:30 pmSAN - SJU
1 stop19h 49mAmerican Airlines
Deal found 3/26$372
This Orbitz deal was found by Cheapflights users on 3/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/12:35 pmSJU - SAN
1 stop11h 53mMultiple Airlines
Mon 5/59:08 pmSAN - SJU
2 stops15h 27mMultiple Airlines
Deal found 3/26$373
This JetBlue deal was found by Cheapflights users on 3/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:20 amSJU - SAN
1 stop14h 58mJetBlue
Fri 6/2010:15 amSAN - SJU
1 stop11h 39mJetBlue
Deal found 3/26$474
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:50 pmSJU - SAN
1 stop12h 09mAlaska Airlines
Mon 5/1910:39 pmSAN - SJU
1 stop12h 21mAlaska Airlines
Deal found 3/26$523
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:55 amSJU - SAN
2 stops12h 00mSouthwest
Tue 12/27:30 pmSAN - SJU
2 stops10h 55mSouthwest
Deal found 3/26$560

Cheapflights Fare Finder

Customize your flight search to find flights from Luis Munoz Marin Intl to San Diego 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 March 28, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to San Diego that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

San Diego

Route

Depart

Return

Price

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Wed 4/30

12:54 am-7:34 am

2 stops33h 40m

San Diego

Mon 5/5

9:08 pm-11:39 pm

2 stops23h 31m

$261

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Sat 5/10

2:31 pm-11:42 pm

1 stop12h 11m

San Diego

Sun 5/18

6:15 am-10:47 pm

1 stop13h 32m

$341

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 7/3

1:05 am-9:41 am

1 stop11h 36m

San Diego

Fri 7/4

10:15 pm-12:34 pm

1 stop11h 19m

$367

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 9/11

1:55 pm-10:14 pm

2 stops11h 19m

San Diego

Thu 9/18

3:30 pm-2:19 pm

1 stop19h 49m

$372

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 5/1

2:35 pm-11:28 pm

1 stop11h 53m

San Diego

Mon 5/5

9:08 pm-3:35 pm

2 stops15h 27m

$373

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Fri 6/13

7:20 am-7:18 pm

1 stop14h 58m

San Diego

Fri 6/20

10:15 am-12:54 am

1 stop11h 39m

$474

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 5/15

2:50 pm-11:59 pm

1 stop12h 09m

San Diego

Mon 5/19

10:39 pm-2:00 pm

1 stop12h 21m

$523

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Mon 7/28

11:25 am-7:35 pm

2 stops11h 10m

San Diego

Sun 8/3

8:10 pm-10:25 am

2 stops11h 15m

$635

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Mon 4/28

12:54 am-12:42 am

2 stops26h 48m

$127

San JuanSan Diego

SJU - SAN

SJUSAN

San Juan Luis Munoz Marin Intl

Thu 9/18

3:55 pm-10:14 pm

1 stop9h 19m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 16 results
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Compare providers for flights from Luis Munoz Marin Intl to San Diego

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 Luis Munoz Marin Intl to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 Juan Luis Munoz Marin Intl Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-San Diego 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 Juan Luis Munoz Marin Intl Airport-San Diego 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 Luis Munoz Marin Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport to San Diego

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to San Diego. Price data was last updated on March 21, 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Diego (average of $286). Flying from San Juan Luis Munoz Marin Intl Airport to San Diego in March is currently the most expensive (average of $366). 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 SJU to SAN?

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

It’s typically best to fly out from San Juan Luis Munoz Marin Intl Airport to San Diego at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to San Diego flight should consider departing on Friday evenings 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated March 28, 2025.
To help decide which airline to fly from San Juan to San Diego, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to San Diego. 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 into for flights to San Diego from San Juan Luis Munoz Marin Intl?

    If you book a flight to San Diego from San Juan Luis Munoz Marin Intl, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 0 flights from San Juan Luis Munoz Marin Intl to San Diego per day from 6 different airlines.

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

    According to our current data, Spirit Airlines ($261), Delta ($341), and United Airlines ($367) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to San Diego. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to San Diego for 47% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $127. American Airlines flights start at $171 while deals on United Airlines start at $188 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to San Diego 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 Juan Luis Munoz Marin Intl Airport to San Diego?

    Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Diego (average of $286). Flying from San Juan Luis Munoz Marin Intl Airport to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Luis Munoz Marin Intl to San Diego

Discover the top 6 airlines that operate flights from Luis Munoz Marin Intl to San Diego. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$361FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$270Average$436FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$310Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$489FlexibilityNo cancel feeOn-time69%
DeltaCheapest$423Average$664FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$464Average$574FlexibilityNo cancel feeOn-time75%
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