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Puerto Rico

$133+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$268
(CheapOair)

One-way from

$133
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$445
From Irvine to Puerto Rico
Search Deals
One-way flight from Irvine to Puerto Rico
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Highest demand for flights based on searches. 11% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/15. 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 10/162:27 pmLAX - PSE
1 stop15h 51mFrontier
Mon 10/2010:44 amPSE - LAX
1 stop24h 44mFrontier
Deal found 9/15$268
This Priceline deal was found by Cheapflights users on 9/15. 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.
Thu 9/252:21 pmLAX - BQN
1 stop9h 06mFrontier
Sat 9/273:32 amBQN - LAX
1 stop31h 40mFrontier
Deal found 9/15$268
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/229:31 pmLAX - SJU
1 stop11h 30mFrontier
Sat 9/2712:28 amSJU - LAX
1 stop23h 08mFrontier
Deal found 9/15$275
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/3011:53 pmLAX - SJU
2 stops22h 51mSpirit Airlines
Mon 11/38:43 pmSJU - LAX
2 stops27h 55mSpirit Airlines
Deal found 9/15$276
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Fri 10/316:54 pmLAX - SJU
1 stop18h 29mSpirit Airlines
Thu 11/69:49 pmSJU - LAX
1 stop15h 19mSpirit Airlines
Deal found 9/17$277
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Wed 10/1512:09 amLAX - SJU
1 stop11h 50mSpirit Airlines
Thu 10/2311:51 amSJU - LAX
2 stops23h 15mSpirit Airlines
Deal found 9/16$278
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/16:41 pmLAX - SJU
1 stop18h 37mSpirit Airlines
Mon 10/62:49 amSJU - LAX
3 stops21h 36mSpirit Airlines
Deal found 9/17$279
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/212:27 pmLAX - SJU
1 stop9h 03mMultiple Airlines
Mon 10/278:00 amSJU - LAX
1 stop10h 52mMultiple Airlines
Deal found 9/15$280
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Wed 10/15:07 pmLAX - SJU
1 stop18h 10mSpirit Airlines
Mon 10/68:00 amSJU - LAX
1 stop10h 52mSpirit Airlines
Deal found 9/16$281
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/2011:53 pmLAX - SJU
2 stops22h 51mSpirit Airlines
Thu 10/2311:51 amSJU - LAX
2 stops23h 15mSpirit Airlines
Deal found 9/15$282
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 11/512:57 amLAX - SJU
1 stop15h 47mMultiple Airlines
Mon 11/104:31 pmSJU - LAX
1 stop20h 40mMultiple Airlines
Deal found 9/14$283
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Sun 9/219:31 pmLAX - SJU
1 stop10h 30mFrontier
Thu 9/2512:06 pmSJU - LAX
1 stop11h 30mFrontier
Deal found 9/15$284

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 September 17, 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 AngelesPonce

LAX - PSE

LAXPSE

Los Angeles

Thu 10/16

2:27 pm-9:18 am

1 stop15h 51m

Ponce Mercedita

Mon 10/20

10:44 am-8:28 am

1 stop24h 44m

$268

Los AngelesPonce

LAX - PSE

LAXPSE

Los Angeles

Thu 10/2

2:21 pm-9:30 am

1 stop16h 09m

Ponce Mercedita

Sun 10/5

10:15 am-8:12 am

1 stop24h 57m

$268

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 10/26

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 10/28

4:50 pm-12:59 am

1 stop11h 09m

$291

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 10/29

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 11/7

4:52 pm-11:59 pm

1 stop11h 07m

$291

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Sun 10/19

5:05 am-5:30 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Wed 10/22

4:55 pm-12:45 am

1 stop10h 50m

$291

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Fri 10/10

2:27 pm-2:04 am

1 stop8h 37m

Aguadilla Borinquen

Fri 11/14

3:59 am-1:15 pm

2 stops13h 16m

$317

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Wed 10/22

6:45 am-2:04 am

2 stops16h 19m

Aguadilla Borinquen

Sat 10/25

2:59 am-7:17 pm

2 stops19h 18m

$333

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 11/18

10:35 pm-11:35 am

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Tue 12/2

11:34 am-4:46 pm

1 stop9h 12m

$350

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 10/20

10:35 pm-2:54 pm

1 stop13h 19m

San Juan Luis Munoz Marin Intl

Wed 11/5

4:00 pm-11:02 pm

1 stop11h 02m

$350

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Fri 10/3

2:21 pm-2:27 am

1 stop9h 06m

Aguadilla Borinquen

Sat 10/11

2:59 am-1:20 pm

2 stops13h 21m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 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, September is the cheapest month in which you can book a flight from Irvine to Puerto Rico (average of $254). Flying from Irvine to Puerto Rico in June is currently the most expensive (average of $339). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Puerto Rico as you normally would.

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 September 17, 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.
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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??
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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??
JetBlue
7.2
Good
2,914 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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??
Spirit Airlines
6.3
Okay
8,023 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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??
Frontier
5.8
Fair
3,173 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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 9h. Frontier provides one of the quickest options available for as low as $350. 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?

    $133 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and United Airlines, with prices starting from $213 and $238, respectively.

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

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

  • 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, September is the cheapest month in which you can book a flight from Irvine to Puerto Rico (average of $254). Flying from Irvine to Puerto Rico in June is currently the most expensive (average of $339). 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.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$376FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$193Average$349FlexibilityNo cancel feeOn-time65%
DeltaCheapest$247Average$544FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$275Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$291Average$569FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$317Average$541FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$398Average$616FlexibilityNo cancel feeOn-time63%

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