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$403+ Cheap flights from Irvine, CA to Sydney (SYD)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Sydney Kingsford Smith are usually found in February or August, booked 86 days in advance, depart on a Sunday or Tuesday and return on a Thursday

Cheap flight deals from Irvine to Sydney

Keep the following information in mind while searching for Irvine to Sydney flight deals. Data was last updated July 28, 2025.

Round-trip from

$785
(Kiwi.com)

One-way from

$403
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$954
From Irvine to Sydney Kingsford Smith
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One-way flight from Irvine to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Irvine to Sydney

Cheapest flights from Irvine to Sydney
Explore the most affordable flight options available from Irvine to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/25:41 pmLAX - SYD
1 stop27h 59mMultiple Airlines
Sun 9/74:20 pmSYD - LAX
1 stop29h 40mMultiple Airlines
Deal found 7/26$785
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:50 amLAX - SYD
1 stop39h 35mANA
Mon 11/1012:25 pmSYD - LAX
1 stop24h 25mANA
Deal found 7/27$803
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:45 pmLAX - SYD
Nonstop15h 15mQantas Airways
Wed 12/177:05 amSYD - LAX
1 stop18h 50mQantas Airways
Deal found 7/27$854

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to Sydney 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 July 28, 2025.
Use the filters below to find and compare flights from Irvine to Sydney that are best for you.

Fly from

Irvine

Fly to

Sydney

Route

Depart

Return

Price

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 9/2

5:41 pm-2:40 pm

1 stop27h 59m

Sydney Kingsford Smith

Sun 9/7

4:20 pm-5:00 am

1 stop29h 40m

$785

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Thu 9/18

5:39 pm-7:15 pm

2 stops32h 36m

Sydney Kingsford Smith

Mon 10/20

9:45 pm-6:45 pm

1 stop39h 00m

$849

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Thu 9/11

8:07 am-2:40 pm

2 stops37h 33m

$403

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Mon 9/8

4:50 pm-7:15 pm

1 stop33h 25m

$415

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 9/30

11:05 pm-7:05 am

Nonstop15h 00m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Best time to book a flight from Irvine to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

How far ahead should I book a flight from Irvine to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Sydney. Price data was last updated on July 25, 2025.

The best time to book flights from Irvine to Sydney is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Irvine to Sydney (average of $1,028). Flying from Irvine to Sydney in December is currently the most expensive (average of $1,619). 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 SYD?

Find hourly flight availability from Irvine to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

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

What is the cheapest day to fly from Irvine to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Sydney flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to Sydney

Explore weekly flight availability from Irvine to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from IR9 to SYD are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated July 28, 2025.
Read through reviews of airlines operating flights from Irvine to Sydney, such as ANA and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Food

7.7

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Food

7.7

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Qantas Airways
7.5
Good
883 reviews
ANA
8.4
Very good
922 reviews

Food

7.7

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

Find useful and relevant information for your journey from Irvine to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Irvine?

    For a flight from Irvine to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 16 inbound flights from Irvine per day. 14 airlines have flights to Sydney Kingsford Smith from Irvine on a regular basis.

  • How popular is this Irvine to Sydney flight route?

    The Irvine to Sydney Kingsford Smith flight path was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the most reliable airlines from Irvine to Sydney?

    Before booking your flight to Sydney from Irvine, check out the most reliable airlines to get you to your destination on time: American Airlines (68%), Alaska Airlines (68%), Qantas Airways( 68%).

  • What are the cheapest flights from Irvine to Sydney?

    Looking for the cheapest flight from Irvine to Sydney? While on average our users pay $5,200, our data indicates the cheapest price to be $366. The most popular route (Los Angeles - Sydney Kingsford Smith), is priced around $695.

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

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

  • How can I find direct flights from Irvine to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Irvine to Sydney 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 Sydney?

    Currently, February is the cheapest month in which you can book a flight from Irvine to Sydney (average of $1,028). Flying from Irvine to Sydney in December is currently the most expensive (average of $1,619). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

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Top 10 airlines flying from Irvine to Sydney

Discover the top 10 airlines that operate flights from Irvine to Sydney. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$231Average$883FlexibilityNo cancel feeOn-time60%
ANACheapest$418Average$753FlexibilityNo cancel feeOn-time80%
Virgin AustraliaCheapest$455Average$978FlexibilityNo cancel feeOn-time80%
Hawaiian AirlinesCheapest$499Average$1,134FlexibilityNo cancel feeOn-time85%
Fiji AirwaysCheapest$676Average$830FlexibilityNo cancel feeOn-time74%
Alaska AirlinesCheapest$741Average$1,096FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$767Average$884FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$796Average$1,031FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$811Average$1,073FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$821Average$1,035FlexibilityNo cancel feeOn-time74%

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