$136+ 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 10/10. 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
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 August 5, 2025.
Round-trip from | $281 (FlightHub) |
|---|---|
One-way from | $136 (FlightHub) |
Popular in | December |
Cheapest in | October |
Average price | $463 |
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 August 5, 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 August 5, 2025.
This FlightHub deal was found by Cheapflights users on 8/5. 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.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 8/4. 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.
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
Fri 9/5
11:09 pm-8:56 pm
2 stops18h 47m
San Juan Luis Munoz Marin Intl
Fri 9/12
12:06 pm-8:36 pm
1 stop11h 30m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Fri 9/12
11:09 pm-8:56 pm
2 stops18h 47m
San Juan Luis Munoz Marin Intl
Sun 9/14
2:38 pm-11:16 pm
1 stop11h 38m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Mon 8/18
1:57 pm-2:39 am
1 stop9h 42m
San Juan Luis Munoz Marin Intl
Tue 8/19
8:13 pm-1:00 pm
1 stop19h 47m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Mon 9/15
6:15 am-10:00 pm
1 stop12h 45m
San Juan Luis Munoz Marin Intl
Fri 9/19
12:58 pm-11:49 pm
2 stops13h 51m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Fri 10/10
2:20 pm-10:57 am
1 stop17h 37m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Sat 11/1
5:07 pm-12:41 pm
2 stops16h 34m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Sat 8/30
7:58 pm-2:17 pm
2 stops15h 19m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Wed 1/14
7:00 am-11:00 pm
1 stop12h 00m
Los AngelesSan Juan
LAX - SJU
LAXSJU
Los Angeles
Sun 10/5
12:56 am-3:42 pm
1 stop11h 46m
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 August 1, 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, September is the cheapest month in which you can book a flight from Irvine to San Juan (average of $254). Flying from Irvine to San Juan 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 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 August 5, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to San Juan as you normally would.
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 Saturday at noon 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 August 5, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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.
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
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 August 5, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$355 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$224 | Average$378 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$247 | Average$545 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$499 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$568 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$596 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$405 | Average$614 | FlexibilityNo cancel fee | On-time63% |