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$383+ Cheap flights from Irvine, CA to Australia

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
déc. 20 — déc. 271
sam. 12/20
sam. 12/27
1 adult, Economy
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Find flight deals from Irvine to Australia

Cheapest flights from Irvine to Australia
Explore the most affordable flight options available from Irvine to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 20, 2025.

This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/512:50 pmLAX - SYD
1 stop25h 45mMultiple Airlines
dim. 12/147:45 amSYD - LAX
2 stops23h 03mMultiple Airlines
Deal found 11/19$843
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/62:10 pmLAX - SYD
1 stop24h 25mMultiple Airlines
dim. 12/147:45 amSYD - LAX
2 stops24h 39mMultiple Airlines
Deal found 11/19$844
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/286:30 amLAX - SYD
1 stop32h 05mAir Canada
mar. 1/138:30 amSYD - LAX
2 stops22h 18mAir Canada
Deal found 11/20$846
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/86:10 pmLAX - SYD
1 stop41h 45mAir Canada
dim. 2/88:00 amSYD - LAX
2 stops22h 48mAir Canada
Deal found 11/19$847
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/52:51 pmLAX - BNE
1 stop21h 39mAmerican Airlines
mar. 12/2312:10 pmBNE - LAX
Nonstop13h 05mAmerican Airlines
Deal found 11/20$848
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/62:10 pmLAX - SYD
1 stop24h 25mAir Canada
sam. 12/1311:20 amSYD - LAX
1 stop21h 04mAir Canada
Deal found 11/20$848
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/2712:50 pmLAX - SYD
1 stop25h 45mAir Canada
sam. 12/134:00 pmSYD - LAX
1 stop24h 08mAir Canada
Deal found 11/19$849
This Priceline deal was found by Cheapflights users on 11/19. 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.
sam. 11/296:10 pmLAX - SYD
2 stops24h 30mAir Canada
mer. 12/109:00 amSYD - LAX
2 stops26h 29mAir Canada
Deal found 11/19$850
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2312:50 pmLAX - BNE
1 stop25h 55mAir Canada
jeu. 1/1510:45 amBNE - LAX
1 stop19h 03mAir Canada
Deal found 11/20$851
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/106:10 pmLAX - SYD
2 stops25h 30mAir Canada
lun. 2/911:20 amSYD - LAX
1 stop21h 04mAir Canada
Deal found 11/19$851
This Delta deal was found by Cheapflights users on 11/18. 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.
mer. 12/3111:45 pmLAX - BNE
Nonstop14h 35mDelta
dim. 1/2510:40 amBNE - LAX
Nonstop13h 25mDelta
Deal found 11/18$852
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
mer. 11/1910:45 pmLAX - SYD
1 stop28h 05mFiji Airways
mer. 11/266:00 amSYD - LAX
1 stop25h 00mFiji Airways
Deal found 11/19$852

Cheap flight deals from Irvine to Australia

Keep the following information in mind while searching for Irvine to Australia flight deals. Data was last updated novembre 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$674
(oojo)

One-way from

$383
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$965
Provider with most accurate pricing for Los Angeles-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Sydney Kingsford Smith flights.
Search Deals
From Irvine to Australia
Search Deals
One-way flight from Irvine to Australia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to Australia 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 novembre 20, 2025.
Use the filters below to find and compare flights from Irvine to Australia that are best for you.

Fly from

Irvine

Fly to

Australia

Route

Depart

Return

Price

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

jeu. 2/5

10:35 pm-12:15 pm

1 stop19h 10m

Adelaide

jeu. 2/19

1:15 pm-12:00 pm

1 stop17h 15m

$674

Los AngelesAdelaide

LAX - ADL

LAXADL

Los Angeles

mar. 2/17

10:35 pm-12:15 pm

1 stop19h 10m

Adelaide

sam. 2/21

1:15 pm-12:00 pm

1 stop17h 15m

$796

Los AngelesCoolangatta

LAX - OOL

LAXOOL

Los Angeles

dim. 2/15

10:35 pm-5:40 pm

2 stops25h 05m

Coolangatta Gold Coast

ven. 2/27

6:00 am-12:00 pm

2 stops24h 00m

$846

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mar. 2/24

10:35 pm-9:05 am

Nonstop15h 30m

Sydney Kingsford Smith

mar. 3/10

10:20 am-6:00 am

Nonstop13h 40m

$856

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

dim. 2/8

8:40 pm-6:50 am

Nonstop15h 10m

Sydney Kingsford Smith

lun. 2/23

10:40 am-5:40 am

Nonstop14h 00m

$857

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

lun. 1/19

10:55 pm-9:05 am

Nonstop15h 10m

Sydney Kingsford Smith

ven. 2/6

11:20 am-6:00 am

Nonstop13h 40m

$860

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

lun. 1/26

5:20 pm-6:20 am

1 stop18h 00m

Sydney Kingsford Smith

sam. 2/14

11:20 am-6:00 am

Nonstop13h 40m

$860

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mar. 2/24

12:08 pm-9:15 am

1 stop26h 07m

Sydney Kingsford Smith

mer. 3/4

11:20 am-6:00 am

Nonstop13h 40m

$861

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mer. 2/11

1:38 pm-9:15 am

1 stop24h 37m

Sydney Kingsford Smith

dim. 3/1

11:20 am-6:00 am

Nonstop13h 40m

$861

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mer. 4/8

8:05 pm-6:55 am

1 stop17h 50m

Sydney Kingsford Smith

mar. 4/14

9:30 am-6:10 am

Nonstop13h 40m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from Irvine to Australia

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

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

Currently, August is the cheapest month in which you can book a flight from Irvine to Australia (average of $377). Flying from Irvine to Australia in December is currently the most expensive (average of $812). 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 AU?

Find hourly flight availability from Irvine to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from Irvine to Australia by exploring options for tickets in the evening.

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

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

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

Weekly flight availability from Irvine to Australia

Explore weekly flight availability from Irvine to Australia. 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 novembre 20, 2025.

The most flights from IR9 to AU0 are scheduled on a Monday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated novembre 20, 2025.
Get a feel of what it's like to fly with Fiji Airways, Delta, and Qantas Airways from Irvine to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.1
Very good
209 reviews
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Delta
7.9
Good
8,002 reviews
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
942 reviews
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,027 reviews
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,045 reviews
Fiji Airways
8.1
Very good
209 reviews

Food

7.5

Comfort

8.0

Entertainment

7.5

Boarding

8.2

Overall

8.1

Crew

8.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

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

  • How popular is this Irvine to Australia flight route?

    The Irvine to Australia flight path was viewed by 61 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Irvine to Australia?

    Fiji Airways, United Airlines, and Delta can get you from Irvine to Australia in just under 15h 10m. Your travel time can differ by up to 4h. Irvine and Australia are separated by a distance of 7489 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 Australia one-way?

    One-way options have recently been found by users for as low as $438 on United Airlines. Other airlines that offer cheap prices include Delta from $439 and Philippine Airlines from $466 one-way.

  • What are the most popular routes from Irvine to Australia?

    The most popular flight routes from Irvine to Australia are Los Angeles - Sydney Kingsford Smith, Los Angeles - Melbourne and Los Angeles - Brisbane.

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

    Consider Air France (68%), Delta (68%) or Aeromexico (68%) when booking your flight. These represent the most reliable airlines when flying from Irvine to Australia.

  • What are the cheapest flights from Irvine to Australia?

    The cheapest flight price from Irvine to Australia is $409. On average you can expect to pay $3,273. The most popular route, (Los Angeles - Sydney Kingsford Smith), can usually be booked for $638.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Irvine to Australia (average of $377). Flying from Irvine to Australia in December is currently the most expensive (average of $812). 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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Top 10 airlines flying from Irvine to Australia

Discover the top 10 airlines that operate flights from Irvine to Australia. 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 novembre 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$231Average$908FlexibilityNo cancel feeOn-time60%
ANACheapest$405Average$755FlexibilityNo cancel feeOn-time80%
Virgin AustraliaCheapest$455Average$985FlexibilityNo cancel feeOn-time80%
DeltaCheapest$497Average$1,084FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$499Average$932FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$579Average$920FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$634Average$946FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$722Average$1,166FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$741Average$1,271FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$795Average$1,173FlexibilityNo cancel feeOn-time71%

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