$132+ Cheap flights from Riverside, CA to Puerto Rico
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Riverside to Puerto Rico
Cheapest flights from Riverside to Puerto RicoExplore the most affordable flight options available from Riverside to Puerto Rico. 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 Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Frontier deal was found by Cheapflights users on 1/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:54 pm
LAX
- PSE
1 stop10h 42m
Frontier
Sun 5/1011:36 am
PSE
- LAX
1 stop10h 03m
Frontier
Deal found 1/26![Frontier logo]()
$217
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:54 pm
LAX
- PSE
1 stop10h 42m
Frontier
Mon 4/2011:36 am
PSE
- LAX
1 stop10h 03m
Frontier
Deal found 1/28![Frontier logo]()
$264
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 JetBlue deal was found by Cheapflights users on 1/26. 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.
Mon 3/28:40 am
LAX
- BQN
1 stop12h 04m
JetBlue
Tue 3/32:30 am
BQN
- LAX
1 stop12h 02m
JetBlue
Deal found 1/26![JetBlue 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
Find flight deals from Riverside to Puerto Rico
Keep the following information in mind while searching for Riverside to Puerto Rico flight deals. Data was last updated January 29, 2026.
Round-trip from | $217 (Frontier) |
|---|---|
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 Puerto Rico 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 Puerto Rico that are best for you.
Fly from
Riverside
Fly to
Puerto Rico
Route
Depart
Return
Price
Los AngelesPonce
LAX - PSE
LAXPSE
Los Angeles
Thu 4/16
8:54 pm-10:36 am
1 stop10h 42m
Ponce Mercedita
Mon 4/20
11:36 am-6:39 pm
1 stop10h 03m
$264
Los AngelesAguadilla
LAX - BQN
LAXBQN
Los Angeles
Mon 3/2
8:40 am-12:44 am
1 stop12h 04m
Aguadilla Borinquen
Tue 3/3
2:30 am-10:32 am
1 stop12h 02m
$277
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
Showing 1-10 of 47 results
Best time to book a flight from Riverside to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico
What is the cheapest month to book a flight from Riverside to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from Riverside to Puerto Rico (average of $145). Flying from Riverside to Puerto Rico 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 Puerto Rico
Explore weekly flight availability from Riverside to Puerto Rico. 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 PR0 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 Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and JetBlue from Riverside to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
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 Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Riverside to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Riverside to Puerto Rico
Discover the top 7 airlines that operate flights from Riverside to Puerto Rico. 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$441 | 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$542 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$275 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$583 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$388 | Average$608 | FlexibilityNo cancel fee | On-time63% |