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Puerto Rico

$136+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Aug 8 — Aug 151
Fri 8/8
Fri 8/15
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 August 3, 2025.

Round-trip from

$281
(Booking.com)

One-way from

$136
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$463
From Irvine to Puerto Rico
Search Deals
One-way flight from Irvine to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 3, 2025.

This Booking.com deal was found by Cheapflights users on 8/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/161:57 pmLAX - SJU
1 stop9h 42mFrontier
Thu 8/213:59 amSJU - LAX
1 stop31h 09mFrontier
Deal found 8/2$281
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:18 amLAX - SJU
2 stops13h 25mSpirit Airlines
Fri 11/76:00 amSJU - LAX
2 stops19h 08mSpirit Airlines
Deal found 8/1$282
This FlightHub deal was found by Cheapflights users on 8/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:59 pmLAX - SJU
2 stops12h 12mMultiple Airlines
Sat 10/253:40 amSJU - LAX
1 stop31h 48mMultiple Airlines
Deal found 8/2$291
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Fri 8/151:57 pmLAX - PSE
1 stop16h 19mFrontier
Mon 8/189:16 amPSE - LAX
1 stop10h 52mFrontier
Deal found 7/31$303
This FlightHub deal was found by Cheapflights users on 8/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:46 pmLAX - BQN
1 stop8h 41mFrontier
Fri 9/193:32 amBQN - LAX
1 stop31h 40mFrontier
Deal found 8/2$305
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:56 amLAX - SJU
1 stop11h 46mUnited Airlines
Tue 10/74:55 pmSJU - LAX
1 stop10h 50mUnited Airlines
Deal found 8/1$309
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:25 pmLAX - SJU
2 stops14h 51mDelta
Wed 10/155:43 pmSJU - LAX
1 stop9h 48mDelta
Deal found 8/2$313
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines 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 stop12h 39mUnited Airlines
Deal found 8/3$365
This JetBlue deal was found by Cheapflights users on 8/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:00 amLAX - BQN
1 stop11h 04mJetBlue
Tue 9/95:01 amBQN - LAX
1 stop13h 08mJetBlue
Deal found 8/3$382
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:45 amLAX - MAZ
2 stops24h 29mMultiple Airlines
Thu 8/75:00 pmMAZ - LAX
2 stops25h 31mMultiple Airlines
Deal found 8/1$708
This JetBlue deal was found by Cheapflights users on 8/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/610:35 amLAX - PSE
1 stop10h 44mJetBlue
Sat 8/91:59 amPSE - LAX
1 stop12h 02mJetBlue
Deal found 8/2$741
This United deal was found by Cheapflights users on 8/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:00 pmLAX - VQS
2 stops14h 58mMultiple Airlines
Fri 9/197:35 pmVQS - LAX
2 stops17h 19mMultiple Airlines
Deal found 8/2$769

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 August 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

Sat 8/16

1:57 pm-2:39 am

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Thu 8/21

3:59 am-8:08 am

1 stop31h 09m

$281

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 10/30

10:59 pm-2:11 pm

2 stops12h 12m

San Juan Luis Munoz Marin Intl

Fri 11/7

6:00 am-9:08 pm

2 stops19h 08m

$282

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 10/24

10:59 pm-2:11 pm

2 stops12h 12m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:40 am-8:28 am

1 stop31h 48m

$291

Los AngelesPonce

LAX - PSE

LAXPSE

Los Angeles

Fri 8/15

1:57 pm-9:16 am

1 stop16h 19m

Ponce Mercedita

Mon 8/18

9:16 am-5:08 pm

1 stop10h 52m

$303

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Fri 9/12

2:46 pm-2:27 am

1 stop8h 41m

Aguadilla Borinquen

Fri 9/19

3:32 am-8:12 am

1 stop31h 40m

$305

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 10/2

12:56 am-3:42 pm

1 stop11h 46m

San Juan Luis Munoz Marin Intl

Tue 10/7

4:55 pm-12:45 am

1 stop10h 50m

$309

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 9/30

10:10 am-10:00 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Tue 10/21

7:15 am-10:29 pm

2 stops18h 14m

$313

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Tue 9/2

7:00 am-11:09 pm

1 stop13h 09m

Aguadilla Borinquen

Mon 9/8

12:15 am-9:54 am

1 stop12h 39m

$365

Los AngelesAguadilla

LAX - BQN

LAXBQN

Los Angeles

Tue 9/2

8:00 am-10:04 pm

1 stop11h 04m

Aguadilla Borinquen

Tue 9/9

5:01 am-3:09 pm

1 stop13h 08m

$382

Los AngelesPonce

LAX - PSE

LAXPSE

Los Angeles

Sat 8/30

6:00 am-12:43 am

1 stop15h 43m

Ponce Mercedita

Sat 9/6

6:00 am-10:41 pm

2 stops19h 41m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 25 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 August 3, 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 August 3, 2025.
Read through reviews of airlines operating flights from Irvine to Puerto Rico, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,905 reviews
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,915 reviews
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Spirit Airlines
6.3
Okay
8,058 reviews
Delta
8.0
Very good
7,985 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $136 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Spirit Airlines, with prices starting from $138 and $142, 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 August 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$352FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$221Average$376FlexibilityNo cancel feeOn-time65%
DeltaCheapest$247Average$547FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$281Average$517FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$291Average$606FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$583FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$404Average$613FlexibilityNo cancel feeOn-time63%

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