$141+ Cheap flights from Irvine, CA to San Juan
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.
Find cheap flights from Irvine to San Juan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to San Juan are usually found in October or April, booked 13 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Find flight deals from Irvine to San Juan
Cheapest flights from Irvine to San JuanExplore the most affordable flight options available from Irvine to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.
Explore the most affordable flight options available from Irvine to San Juan. 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Cheap flight deals from Irvine to San Juan
Keep the following information in mind while searching for Irvine to San Juan 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 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Irvine to San Juan that are best for you.
Fly from
Fly to
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
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
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
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
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
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
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
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Fri 4/10
7:55 pm-8:55 am
2 stops10h 00m
San Juan Luis Munoz Marin Intl
Fri 4/17
6:50 am-6:00 pm
2 stops14h 10m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Thu 2/19
10:55 am-1:50 am
1 stop10h 55m
San Juan Luis Munoz Marin Intl
Tue 2/24
1:59 am-12:19 pm
1 stop14h 20m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Fri 2/20
6:00 am-11:59 pm
1 stop13h 59m
San Juan Luis Munoz Marin Intl
Fri 2/27
1:59 am-1:19 pm
1 stop15h 20m
Best time to book a flight from Irvine to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Irvine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Irvine to San Juan
How far ahead should I book a flight from Irvine to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to San Juan. Price data was last updated on October 31, 2025.
The price you pay for your flight from Irvine to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Irvine to San Juan?
Currently, April is the cheapest month in which you can book a flight from Irvine to San Juan (average of $133). Flying from Irvine to San Juan 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 SJU?
Find hourly flight availability from Irvine to San Juan. 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.
One of the essential ways to save on airfare from Irvine to San Juan is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 43% on airfare.
What is the cheapest day to fly from Irvine to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Irvine to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Irvine to San Juan 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.
How much does it cost to fly round-trip from Irvine to San Juan?
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated November 3, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and JetBlue from Irvine to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Irvine to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Irvine to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Irvine to San Juan
Discover the top 7 airlines that operate flights from Irvine to San Juan. 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$396 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$233 | Average$384 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$247 | Average$543 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$606 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$291 | Average$588 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$520 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$397 | Average$615 | FlexibilityNo cancel fee | On-time63% |