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Cheap flights from the United States to Australia from £427

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SYD
23 apr — 30 apr1
1 adult

Cheap flight deals from USA to Australia

Keep the following information in mind while searching for USA to Australia flight deals. Data was last updated 18 aprile 2025.

Round-trip from

£666

One-way from

£427

Popular in

December

Cheapest in

February

Average price

£1,028

Good one-way deal

£354 or less
Air Canada
  • Air Canada
  • 14/9-25/9
  • 3 total stops
  • 50h 58m total
  • USA to Australia
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Fiji Airways
  • Fiji Airways
  • 4/9
  • 1 total stop
  • 29h 15m total
  • USA to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a one-way flight from USA to Australia.
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Find flight deals from USA to Australia

Cheapest flights from USA to Australia
Explore the most affordable flight options available from USA to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 aprile 2025.

dom 14/914:30LAX - SYD
2 stops27h 10mAir Canada
gio 25/909:20SYD - LAX
1 stop23h 48mAir Canada
Deal found 16/4£666
gio 30/1023:55LAX - SYD
1 stop27h 55mFiji Airways
gio 13/1114:00SYD - LAX
1 stop16h 50mFiji Airways
Deal found 17/4£701
lun 5/500:09SFO - SYD
2 stops42h 36mMultiple Airlines
gio 15/516:20SYD - SFO
1 stop31h 55mMultiple Airlines
Deal found 17/4£705
mar 6/522:55SFO - SYD
1 stop30h 15mFiji Airways
gio 15/513:15SYD - SFO
1 stop17h 10mFiji Airways
Deal found 17/4£717
gio 25/912:50LAX - SYD
1 stop26h 10mPhilippine Airlines
mer 15/1011:10SYD - LAX
1 stop27h 35mPhilippine Airlines
Deal found 17/4£718
mar 29/408:08LAX - SYD
2 stops34h 37mMultiple Airlines
lun 12/516:20SYD - LAX
1 stop33h 00mMultiple Airlines
Deal found 17/4£726
mer 13/809:40SFO - SYD
1 stop17h 05mAlaska Airlines
gio 21/821:40SYD - SFO
1 stop17h 10mAlaska Airlines
Deal found 17/4£791
ven 15/809:40SFO - SYD
1 stop17h 05mHawaiian Airlines
gio 28/821:40SYD - SFO
1 stop17h 10mHawaiian Airlines
Deal found 17/4£794
sab 1/1108:15OAK - SYD
1 stop17h 30mHawaiian Airlines
gio 13/1121:40SYD - OAK
1 stop16h 45mHawaiian Airlines
Deal found 16/4£798
mer 29/1007:00LAX - SYD
2 stops18h 45mAlaska Airlines
dom 9/1121:40SYD - LAX
1 stop20h 20mAlaska Airlines
Deal found 17/4£798
sab 21/622:50LAX - SYD
Nonstop15h 10mUnited Airlines
mar 1/709:30SYD - LAX
Nonstop13h 40mUnited Airlines
Deal found 17/4£800
mar 17/622:30LAX - SYD
Nonstop15h 05mDelta
lun 7/709:25SYD - LAX
Nonstop13h 55mDelta
Deal found 16/4£806

Cheapflights Fare Finder

Customise your flight search to find flights from USA 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 858,174 searches. Data last updated 18 aprile 2025.
Use the filters below to find and compare flights from the United States to Australia that are best for you.

Fly from

USA

Fly to

Australia

Route

Depart

Return

Price

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

dom 14/9

14:30-10:40

2 stops27h 10m

Sydney Kingsford Smith

gio 25/9

09:20-16:08

1 stop23h 48m

£666

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

ven 26/9

23:55-11:45

1 stop18h 50m

Sydney Kingsford Smith

dom 5/10

14:15-12:55

1 stop16h 40m

£701

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

lun 5/5

00:09-11:45

2 stops42h 36m

Sydney Kingsford Smith

gio 15/5

16:20-07:15

1 stop31h 55m

£705

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

mar 6/5

22:55-22:10

1 stop30h 15m

Sydney Kingsford Smith

gio 15/5

13:15-13:25

1 stop17h 10m

£717

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

gio 25/9

12:50-08:00

1 stop26h 10m

Sydney Kingsford Smith

mer 15/10

11:10-20:45

1 stop27h 35m

£718

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mar 29/4

08:08-11:45

2 stops34h 37m

Sydney Kingsford Smith

lun 12/5

16:20-08:20

1 stop33h 00m

£726

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

mer 13/8

09:40-19:45

1 stop17h 05m

Sydney Kingsford Smith

gio 21/8

21:40-21:50

1 stop17h 10m

£791

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

ven 15/8

09:40-19:45

1 stop17h 05m

Sydney Kingsford Smith

gio 28/8

21:40-21:50

1 stop17h 10m

£794

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

mer 24/9

08:30-19:45

1 stop18h 15m

Sydney Kingsford Smith

gio 16/10

21:40-23:03

2 stops19h 23m

£798

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

sab 21/6

22:50-07:00

Nonstop15h 10m

Sydney Kingsford Smith

lun 7/7

09:30-06:10

Nonstop13h 40m

£800

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 60 results
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2
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6

Best time to book a flight from USA to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from USA with our price prediction graph.
Estimated return 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 the United States to Australia

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

Currently, May is the cheapest month in which you can book a flight from USA to Australia (average of £985). Flying from USA to Australia in July is currently the most expensive (average of £1,726). 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 US to AU?

Find hourly flight availability from USA 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 18 aprile 2025.

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

Weekly flight availability from USA to Australia

Explore weekly flight availability from USA 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 18 aprile 2025.

The most flights from US0 to AU0 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).

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 18 aprile 2025.
To help decide which airline to fly from USA to Australia, see what other customers have to say about Air Tahiti Nui, Korean Air and Japan Airlines. 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.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very Good
1,064 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,447 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
845 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
China Airlines
8.2
Very Good
729 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from USA 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 USA to Australia flight route?

    This flight path from United States to Australia was viewed by 33 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from USA to Australia one-way?

    £427 is the cheapest one-way deal found within the past few days, from Fiji Airways. You may also be able to find cheap deals on Vietnam Airlines and Alaska Airlines, with prices starting from £458 and £474, respectively.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from USA to Australia (average of £985). Flying from USA to Australia in July is currently the most expensive (average of £1,726). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Papeete flights
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Los Angeles to Sydney flights

Top 5 airlines flying from USA to Australia

Discover the top 5 airlines that operate flights from USA 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 858,174 searches. Data last updated 18 aprile 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest£528Average£674FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
United AirlinesCheapest£640Average£1,055FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£654Average£868FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest£664Average£1,082FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Qantas AirwaysCheapest£709Average£1,274FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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Why should you use Cheapflights to find cheap flight tickets from USA to Australia?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from USA to Australia flexibly with Cheapflights today.

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