Puerto Rico

$141+ Cheap flights from Irvine, 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Dec 3 — Dec 101
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Find flight deals from Irvine to Puerto Rico

Cheapest flights from Irvine to Puerto Rico
Explore the most affordable flight options available from Irvine to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This CheapOair deal was found by Cheapflights users on 11/2. 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 12/1110:35 amLAX - SJU
1 stop8h 50mSpirit Airlines
Mon 12/151:27 pmSJU - LAX
1 stop11h 48mSpirit Airlines
Deal found 11/2$266
This CheapOair deal was found by Cheapflights users on 10/31. 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 11/277:49 amLAX - SJU
1 stop12h 06mSpirit Airlines
Sat 12/66:00 amSJU - LAX
1 stop20h 24mSpirit Airlines
Deal found 10/31$267
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Tue 12/92:12 pmLAX - SJU
1 stop22h 57mSpirit Airlines
Sat 12/136:00 amSJU - LAX
1 stop20h 24mSpirit Airlines
Deal found 11/1$268
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 pmLAX - SJU
2 stops21h 15mSpirit Airlines
Wed 12/105:00 pmSJU - LAX
2 stops19h 29mSpirit Airlines
Deal found 11/1$269
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/610:35 amLAX - SJU
1 stop8h 50mMultiple Airlines
Wed 12/107:10 amSJU - LAX
1 stop18h 46mMultiple Airlines
Deal found 11/2$271
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/710:35 amLAX - SJU
1 stop8h 50mMultiple Airlines
Fri 12/124:31 pmSJU - LAX
2 stops20h 59mMultiple Airlines
Deal found 11/2$273
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/275:45 amLAX - SJU
1 stop15h 21mMultiple Airlines
Fri 12/54:10 amSJU - LAX
2 stops21h 01mMultiple Airlines
Deal found 11/2$274
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/110:30 pmLAX - SJU
1 stop12h 31mMultiple Airlines
Thu 12/46:00 amSJU - LAX
1 stop20h 24mMultiple Airlines
Deal found 11/2$276
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 12/27:49 amLAX - SJU
1 stop12h 06mSpirit Airlines
Sat 12/66:00 amSJU - LAX
1 stop20h 24mSpirit Airlines
Deal found 11/2$278
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/81:42 pmLAX - SJU
1 stop29h 43mMultiple Airlines
Fri 12/128:45 pmSJU - LAX
1 stop16h 44mMultiple Airlines
Deal found 11/1$279
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/710:35 amLAX - SJU
1 stop8h 50mSpirit Airlines
Wed 12/105:00 pmSJU - LAX
2 stops19h 29mSpirit Airlines
Deal found 11/2$280
This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:45 pmLAX - BQN
1 stop18h 33mJetBlue
Tue 12/910:15 pmBQN - LAX
1 stop18h 02mJetBlue
Deal found 11/3$450

Cheap flight deals from Irvine to Puerto Rico

Keep the following information in mind while searching for Irvine to Puerto Rico flight deals. Data was last updated November 3, 2025.

Round-trip from

$262
(Kiwi.com)

One-way from

$141
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$488
From Irvine to Puerto Rico
One-way flight from Irvine to Puerto Rico
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 November 3, 2025.
Use the filters below to find and compare flights from Irvine to Puerto Rico that are best for you.

Fly from

Irvine

Fly to

Puerto Rico

Route

Depart

Return

Price

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 2/23

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

$291

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 2/23

8:00 pm-11:20 am

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:30 am-6:35 pm

1 stop16h 05m

$295

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 1/18

11:12 am-11:44 pm

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Fri 1/23

7:30 am-1:25 pm

1 stop9h 55m

$295

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Fri 1/30

8:20 am-11:57 pm

1 stop11h 37m

Aguadilla Borinquen

Sun 2/1

1:09 am-9:08 am

1 stop11h 59m

$295

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Thu 1/29

5:50 am-11:57 pm

2 stops14h 07m

Aguadilla Borinquen

Sun 2/1

1:09 am-9:08 am

1 stop11h 59m

$295

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Wed 1/28

7:35 am-11:57 pm

2 stops12h 22m

Aguadilla Borinquen

Sun 2/1

1:09 am-1:30 pm

2 stops16h 21m

$295

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 4/30

12:59 am-3:40 pm

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:00 am-1:45 pm

1 stop9h 45m

$321

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 2/24

7:00 am-9:56 pm

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:55 am-2:48 pm

1 stop11h 53m

$346

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 4/14

9:15 pm-10:04 am

1 stop9h 49m

San Juan Luis Munoz Marin Intl

Wed 4/15

12:45 pm-11:00 pm

1 stop13h 15m

$346

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 5/1

11:45 am-11:25 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 5/6

11:25 am-9:20 pm

2 stops12h 55m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 58 results
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Best time to book a flight from Irvine to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Irvine 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 Irvine to Puerto Rico

What is the cheapest month to book a flight from Irvine to Puerto Rico?

Currently, April is the cheapest month in which you can book a flight from Irvine to Puerto Rico (average of $133). Flying from Irvine to Puerto Rico in November is currently the most expensive (average of $285). 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 IR9 to PR?

Find hourly flight availability from Irvine 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 November 3, 2025.

When flying from Irvine to Puerto Rico, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 37% versus a flight in the afternoon.

What is the cheapest day to fly from Irvine to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Puerto Rico. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their Irvine to Puerto Rico flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 2025.
Read through reviews of airlines operating flights from Irvine to Puerto Rico, 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

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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??

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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??

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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??

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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??

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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??

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

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 Irvine to Puerto Rico. 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 Irvine to Puerto Rico?

    A quick flight from Irvine to Puerto Rico can take about 8h 32m. United Airlines provides one of the quickest options available for as low as $295. The distance from Irvine to Puerto Rico is about 3380 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $147 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and JetBlue, with prices starting from $148 and $176, respectively.

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

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Irvine to Puerto Rico (average of $133). Flying from Irvine to Puerto Rico in November is currently the most expensive (average of $285). 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

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Alternative routes for Irvine to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Irvine to Puerto Rico

Discover the top 7 airlines that operate flights from Irvine 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$394FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$231Average$383FlexibilityNo cancel feeOn-time65%
DeltaCheapest$247Average$540FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$275Average$547FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$564FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$329Average$541FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$403Average$615FlexibilityNo cancel feeOn-time63%

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