$132+ Cheap flights from Riverside, CA to San Juan
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
1 adult, Economy
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Cheapest flights from Riverside to San JuanExplore the most affordable flight options available from Riverside to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Riverside to San Juan. 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![Spirit Airlines logo]()
$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![Spirit Airlines logo]()
$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![Multiple Airlines logo]()
$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![Spirit Airlines logo]()
$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![Spirit Airlines logo]()
$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![Frontier logo]()
$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![Spirit Airlines logo]()
$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![Spirit Airlines logo]()
$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![Multiple Airlines logo]()
$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![JetBlue logo]()
$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![Multiple Airlines logo]()
$286
Find flight deals from Riverside to San Juan
Keep the following information in mind while searching for Riverside to San Juan 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 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to San Juan 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 that are best for you.
Fly from
Riverside
Fly to
San Juan
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
Showing 1-10 of 20 results
Best time to book a flight from Riverside to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan 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
How far ahead should I book a flight from Riverside to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to San Juan. Price data was last updated on January 23, 2026.
The best time to book flights from Riverside to San Juan is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Riverside to San Juan?
Currently, April is the cheapest month in which you can book a flight from Riverside to San Juan (average of $145). Flying from Riverside to San Juan 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
Explore weekly flight availability from Riverside to San Juan. 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 PR1 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 San Juan
Get insights into the airlines that provide service to San Juan. 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 Juan. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Riverside to San Juan, such as United Airlines, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Riverside to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Riverside to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Riverside to San Juan
Discover the top 7 airlines that operate flights from Riverside to San Juan. 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$404 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$519 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$364 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$235 | Average$495 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$290 | Average$557 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$583 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$388 | Average$608 | FlexibilityNo cancel fee | On-time63% |