Luis Munoz Marin Intl

$132+ Cheap flights from Riverside, CA 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Feb 28 — Mar 71
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Cheap flight deals from Riverside to Luis Munoz Marin Intl

Cheapest flights from Riverside to Luis Munoz Marin Intl
Explore the most affordable flight options available from Riverside to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:51 pm
LAX
-
SJU
1 stop16h 46m
Spirit Airlines
Thu 3/57:44 pm
SJU
-
LAX
1 stop15h 31m
Spirit Airlines
Deal found 1/28$275
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/42:51 pm
LAX
-
SJU
1 stop17h 36m
Spirit Airlines
Tue 2/107:44 pm
SJU
-
LAX
1 stop15h 31m
Spirit Airlines
Deal found 1/28$276
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:59 pm
LAX
-
SJU
1 stop11h 32m
Multiple Airlines
Sun 3/83:08 am
SJU
-
LAX
1 stop18h 52m
Multiple Airlines
Deal found 1/27$277
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:51 pm
LAX
-
SJU
1 stop16h 46m
Spirit Airlines
Fri 2/277:44 pm
SJU
-
LAX
1 stop15h 31m
Spirit Airlines
Deal found 1/27$278
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/112:51 pm
LAX
-
SJU
1 stop16h 46m
Spirit Airlines
Tue 2/247:44 pm
SJU
-
LAX
1 stop15h 31m
Spirit Airlines
Deal found 1/27$279
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:54 pm
LAX
-
SJU
1 stop22h 54m
Frontier
Mon 5/410:53 am
SJU
-
LAX
2 stops14h 13m
Frontier
Deal found 1/27$281
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/911:59 pm
LAX
-
SJU
1 stop11h 36m
Spirit Airlines
Fri 2/134:31 pm
SJU
-
LAX
1 stop11h 19m
Spirit Airlines
Deal found 1/27$282
This CheapOair deal was found by Cheapflights users on 1/29. 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.
Mon 3/21:05 am
LAX
-
SJU
1 stop30h 32m
Spirit Airlines
Tue 3/106:49 pm
SJU
-
LAX
1 stop15h 26m
Spirit Airlines
Deal found 1/29$283
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/26:31 pm
LAX
-
SJU
2 stops17h 00m
Multiple Airlines
Sat 3/77:44 pm
SJU
-
LAX
1 stop14h 31m
Multiple Airlines
Deal found 1/29$284
This SmartFares deal was found by Cheapflights users on 1/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:40 am
LAX
-
SJU
1 stop10h 44m
JetBlue
Wed 3/45:01 am
SJU
-
LAX
1 stop13h 30m
JetBlue
Deal found 1/27$285
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:07 pm
LAX
-
SJU
1 stop13h 10m
Multiple Airlines
Mon 3/306:49 pm
SJU
-
LAX
1 stop15h 19m
Multiple Airlines
Deal found 1/28$286

Find flight deals from Riverside to Luis Munoz Marin Intl

Keep the following information in mind while searching for Riverside to Luis Munoz Marin Intl flight deals. Data was last updated January 29, 2026.

Round-trip from

$275
(Travelocity)

One-way from

$132
(Frontier)

Popular in

December

Cheapest in

October

Average price

$486
From Riverside to San Juan Luis Munoz Marin Intl
One-way flight from Riverside to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 29, 2026.
Use the filters below to find and compare flights from Riverside to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Riverside

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 2/26

1:40 pm-3:51 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Sat 3/7

7:44 pm-6:15 am

1 stop14h 31m

$292

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 3/23

10:07 pm-2:17 pm

1 stop13h 10m

San Juan Luis Munoz Marin Intl

Wed 3/25

3:36 pm-8:11 am

2 stops19h 35m

$292

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 2/22

5:05 am-6:25 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Thu 2/26

2:05 am-10:31 am

1 stop12h 26m

$296

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 5/1

8:54 pm-3:37 pm

1 stop15h 43m

San Juan Luis Munoz Marin Intl

Tue 5/5

6:30 am-6:39 pm

1 stop15h 09m

$298

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 5/8

10:30 pm-12:50 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Fri 5/15

12:50 pm-8:35 pm

1 stop10h 45m

$300

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 5/1

10:55 pm-4:31 pm

1 stop14h 36m

San Juan Luis Munoz Marin Intl

Tue 5/5

2:34 pm-11:47 pm

2 stops12h 13m

$300

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 5/8

11:45 pm-4:15 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Thu 5/14

6:15 am-5:09 pm

1 stop13h 54m

$300

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sat 4/4

1:05 am-11:07 am

1 stop31h 02m

San Juan Luis Munoz Marin Intl

Sat 4/11

6:49 pm-7:08 am

1 stop15h 19m

$302

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 4/24

8:00 am-12:07 am

1 stop13h 07m

San Juan Luis Munoz Marin Intl

Mon 4/27

3:00 pm-11:59 pm

1 stop11h 59m

$302

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 3/30

4:07 pm-6:54 pm

2 stops23h 47m

San Juan Luis Munoz Marin Intl

Wed 4/1

6:49 pm-7:08 am

1 stop15h 19m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2

Best time to book a flight from Riverside to Luis Munoz Marin Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Luis Munoz Marin Intl. Price data was last updated on January 23, 2026.

The price you pay for your flight from Riverside 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 23 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 Riverside to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Riverside to San Juan Luis Munoz Marin Intl Airport (average of $145). Flying from Riverside to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $286). 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.

Weekly flight availability from Riverside to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Riverside to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from R1V to SJU are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 29, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and JetBlue from Riverside to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Riverside 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.
  • How long is the flight from Riverside to San Juan Luis Munoz Marin Intl Airport?

    United Airlines, Frontier, and Delta can get you from Riverside to San Juan Luis Munoz Marin Intl Airport in just under 9h 20m. Your travel time can differ by up to 6h 23m. The distance between Riverside and San Juan Luis Munoz Marin Intl Airport is about 3380 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Riverside to San Juan Luis Munoz Marin Intl Airport for a low price.

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

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

  • How can I find direct flights from Riverside 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 Riverside to Luis Munoz Marin Intl.

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

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

    Currently, April is the cheapest month in which you can book a flight from Riverside to San Juan Luis Munoz Marin Intl Airport (average of $145). Flying from Riverside to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $286). 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 7 airlines flying from Riverside to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Riverside 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$404FlexibilityNo cancel feeOn-time62%
DeltaCheapest$176Average$519FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$207Average$364FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$235Average$495FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$290Average$557FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$583FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$388Average$608FlexibilityNo cancel feeOn-time63%

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