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Puerto Rico

$107+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap 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 March 31, 2025.

Round-trip from

$206
(Cheapflightsfares)

One-way from

$107
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$500
From Riverside to Puerto Rico
Search Deals
One-way flight from Riverside to Puerto Rico
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 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 Riverside to Puerto Rico

Cheapest flights from Riverside to Puerto Rico
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 March 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Sat 4/2611:58 amLAX - SJU
1 stop18h 34mSpirit Airlines
Mon 5/121:33 amSJU - LAX
1 stop11h 01mSpirit Airlines
Deal found 3/30$206
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Wed 4/308:08 amLAX - SJU
1 stop12h 31mMultiple Airlines
Mon 5/510:46 amSJU - LAX
1 stop13h 49mMultiple Airlines
Deal found 3/31$263
This Frontier deal was found by Cheapflights users on 3/31. 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.
Sun 4/138:18 pmLAX - SJU
1 stop9h 15mFrontier
Mon 4/213:56 amSJU - LAX
1 stop16h 59mFrontier
Deal found 3/31$296
This CheapOair deal was found by Cheapflights users on 3/31. 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 5/14:59 pmLAX - PSE
1 stop12h 57mFrontier
Thu 5/89:46 amPSE - LAX
1 stop10h 57mFrontier
Deal found 3/31$298
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/14:59 pmLAX - BQN
1 stop29h 58mFrontier
Wed 5/72:47 amBQN - LAX
1 stop17h 56mFrontier
Deal found 3/30$306
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 9/1911:59 pmLAX - SJU
1 stop11h 45mUnited Airlines
Fri 9/261:05 amSJU - LAX
1 stop12h 03mUnited Airlines
Deal found 3/31$331
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:00 amLAX - BQN
1 stop13h 09mUnited Airlines
Mon 9/812:15 amBQN - LAX
1 stop11h 39mUnited Airlines
Deal found 3/31$331
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/289:45 pmLAX - SJU
1 stop10h 05mAmerican Airlines
Wed 5/75:25 amSJU - LAX
1 stop14h 22mAmerican Airlines
Deal found 3/30$334
This JetBlue deal was found by Cheapflights users on 3/30. 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 5/112:30 pmLAX - BQN
1 stop11h 12mJetBlue
Thu 5/84:28 pmBQN - LAX
1 stop10h 16mJetBlue
Deal found 3/30$406
This JetBlue deal was found by Cheapflights users on 3/31. 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.
Tue 7/810:05 amLAX - PSE
1 stop12h 53mJetBlue
Wed 7/91:35 amPSE - LAX
1 stop11h 25mJetBlue
Deal found 3/31$470
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Tue 4/155:30 amLAX - CPX
2 stops28h 16mMultiple Airlines
Sat 4/195:41 pmCPX - LAX
2 stops16h 15mMultiple Airlines
Deal found 3/31$579
This United Airlines deal was found by Cheapflights users on 3/31. 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 7/318:50 amLAX - VQS
2 stops31h 25mUnited Airlines
Tue 8/52:45 pmVQS - LAX
2 stops34h 45mUnited Airlines
Deal found 3/31$1,105

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 March 31, 2025.
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 AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sat 4/26

11:58 am-9:32 am

1 stop18h 34m

San Juan Luis Munoz Marin Intl

Mon 5/12

1:33 am-9:34 am

1 stop11h 01m

$206

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 4/30

8:08 am-11:39 pm

1 stop12h 31m

San Juan Luis Munoz Marin Intl

Mon 5/5

10:46 am-9:35 pm

1 stop13h 49m

$263

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 4/13

8:18 pm-8:33 am

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Mon 4/21

3:56 am-5:55 pm

1 stop16h 59m

$296

Los AngelesPonce

LAX - PSE

LAXPSE

Los Angeles

Thu 5/1

4:59 pm-8:56 am

1 stop12h 57m

Ponce Mercedita

Thu 5/8

9:46 am-5:43 pm

1 stop10h 57m

$298

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Thu 5/1

4:59 pm-1:57 am

1 stop29h 58m

Aguadilla Borinquen

Wed 5/7

2:47 am-5:43 pm

1 stop17h 56m

$306

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 9/19

11:59 pm-2:44 pm

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-10:08 am

1 stop12h 03m

$331

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Tue 4/29

8:25 am-11:09 pm

1 stop11h 44m

Aguadilla Borinquen

Tue 5/13

12:15 am-11:43 am

2 stops14h 28m

$331

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 4/28

9:45 pm-10:50 am

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Wed 5/7

5:25 am-4:47 pm

1 stop14h 22m

$334

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Thu 5/1

12:30 pm-2:42 am

1 stop11h 12m

Aguadilla Borinquen

Thu 5/8

4:28 pm-11:44 pm

1 stop10h 16m

$406

Los AngelesCulebra

LAX - CPX

LAXCPX

Los Angeles

Tue 4/15

5:30 am-12:46 pm

2 stops28h 16m

Culebra

Sat 4/19

5:41 pm-6:56 am

2 stops16h 15m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 25 results
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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, September is the cheapest month in which you can book a flight from Riverside to Puerto Rico (average of $254). Flying from Riverside to Puerto Rico in December is currently the most expensive (average of $336). 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 R1V to PR?

Find hourly flight availability from Riverside to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

When flying from Riverside to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 March 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Riverside to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from Riverside to Puerto Rico one-way?

    $107 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $146 and $166, respectively.

  • What are the most popular routes from Riverside to Puerto Rico?

    The most popular route from Riverside to Puerto Rico is Los Angeles - San Juan Luis Munoz Marin Intl. You may also consider Los Angeles - Aguadilla Borinquen or Los Angeles - Ponce Mercedita.

  • Can I find deals for flights from Riverside to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Riverside to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Puerto Rico.

  • Can I find deals for business class flights from Riverside to Puerto Rico?

    Yes. Cheapflights offers flight deals from Riverside to Puerto Rico 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 Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Riverside to Puerto Rico (average of $254). Flying from Riverside to Puerto Rico in December is currently the most expensive (average of $336). 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

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.
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San Francisco to Luis Munoz Marin Intl flights
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Santa Ana to Luis Munoz Marin Intl flights
Ontario to Nassau flights
Los Angeles to Bridgetown flights
Los Angeles to Willemstad flights
San Francisco to Providenciales flights
Los Angeles to George Town flights
San Francisco to Santo Domingo flights
Ontario to Montego Bay flights
San Jose to Luis Munoz Marin Intl flights
San Francisco to Oranjestad flights
San Francisco to Simpson Bay flights
Ontario to St. John's flights
Sacramento to Montego Bay flights
Las Vegas to Nassau flights
Sacramento to Punta Cana flights
San Francisco to George Town flights
Oakland to Luis Munoz Marin Intl flights
Burbank to Montego Bay flights
San Diego to Nassau flights
Los Angeles to Kingston flights
San Francisco to Castries flights
San Francisco to Puerto Plata flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$226FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$225Average$403FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$267Average$493FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$276Average$582FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$321Average$573FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$527FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$389Average$553FlexibilityNo cancel feeOn-time63%
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