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Cheap flights from the United States to Australia from $678

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Australia departing on 27/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent return flight deals from the United States to Australia

Qantas Airways Logo
22:45 - 09:00LAX-SYD
15h 15mdirect
Qantas Airways Logo
07:05 - 06:55SYD-LAX
18h 50m1 stop
$1,218Qantas Airways
Find Deal
Thu, 5 Feb - Wed, 25 Feb
Qantas Airways Logo
22:45 - 09:00LAX-SYD
15h 15mdirect
Qantas Airways Logo
06:20 - 06:55SYD-LAX
19h 35m1 stop
$1,224Qantas Airways
Find Deal
Wed, 26 Nov - Sun, 7 Dec
Fiji Airways Logo
23:55 - 10:35LAX-BNE
17h 40m1 stop
Fiji Airways Logo
11:20 - 11:50BNE-LAX
18h 30m1 stop
$1,245Fiji Airways
Find Deal
Mon, 27 Oct - Fri, 7 Nov
Fiji Airways Logo
22:45 - 10:20LAX-BNE
17h 35m1 stop
Fiji Airways Logo
11:25 - 11:50BNE-LAX
18h 25m1 stop
$1,249Fiji Airways
Find Deal
Wed, 11 Feb - Thu, 5 Mar
Air New Zealand Logo
20:10 - 08:45LAX-SYD
17h 35m1 stop
Air New Zealand Logo
11:45 - 11:15SYD-LAX
18h 30m1 stop
$1,297Air New Zealand
Find Deal
Sun, 9 Nov - Tue, 3 Feb
Air New Zealand Logo
19:05 - 09:55LAX-BNE
20h 50m1 stop
Air New Zealand Logo
11:10 - 10:40BNE-LAX
17h 30m1 stop
$1,311Air New Zealand
Find Deal
Sun, 7 Dec - Tue, 13 Jan
Air Canada Logo
12:50 - 08:45LAX-BNE
25h 55m1 stop
Air Canada Logo
10:45 - 16:29BNE-LAX
23h 44m1 stop
$1,338Air Canada
Find Deal
Tue, 10 Feb - Sat, 21 Feb
Air Canada Logo
14:10 - 07:45LAX-BNE
24h 35m1 stop
Air Canada Logo
06:35 - 11:48BNE-LAX
23h 13m2 stops
$1,373Air Canada
Find Deal
Fri, 31 Oct - Wed, 12 Nov
Delta Logo
15:15 - 08:00JFK-MEL
24h 45m1 stop
Delta Logo
10:10 - 19:22MEL-JFK
25h 12m1 stop
$1,792Delta
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Wed, 18 Feb - Wed, 4 Mar
Delta Logo
12:50 - 08:00JFK-MEL
27h 10m2 stops
Delta Logo
10:10 - 19:22MEL-JFK
25h 12m1 stop
$1,798Delta
Find Deal
Wed, 18 Feb - Wed, 4 Mar

Philippine Airlines flights from United States to Australia

Our best Philippine Airlines deals on United States to Australia flight tickets
Philippine Airlines
23 Sept
LAX12:50Los Angeles
26h 10m
1 stop
SYD08:00Sydney Kingsford Smith
15 Oct
SYD11:10Sydney Kingsford Smith
27h 30m
1 stop
LAX20:40Los Angeles
$1,330
Find similar
Philippine Airlines
2 Mar
LAX10:50Los Angeles
26h 45m
1 stop
MEL08:35Melbourne
17 Mar
MEL05:55Melbourne
32h 10m
1 stop
LAX20:05Los Angeles
$1,341
Find similar
Philippine Airlines
19 Sept
LAX12:50Los Angeles
28h 05m
1 stop
BNE09:55Brisbane
28 Oct
BNE11:05Brisbane
26h 05m
1 stop
LAX20:10Los Angeles
$1,347
Find similar

Alaska Airlines flights from United States to Australia

Our best Alaska Airlines deals on United States to Australia flight tickets
Alaska Airlines
31 Oct
SFO20:43San Francisco
29h 02m
2 stops
SYD19:45Sydney Kingsford Smith
20 Nov
SYD21:40Sydney Kingsford Smith
21h 10m
2 stops
SFO23:50San Francisco
$1,490
Find similar
Alaska Airlines
31 Oct
SFO19:37San Francisco
30h 08m
2 stops
SYD19:45Sydney Kingsford Smith
18 Nov
SYD21:40Sydney Kingsford Smith
35h 10m
2 stops
SFO13:50San Francisco
$1,491
Find similar
Alaska Airlines
26 Sept
SFO09:33San Francisco
17h 12m
1 stop
SYD19:45Sydney Kingsford Smith
2 Oct
SYD21:40Sydney Kingsford Smith
16h 53m
1 stop
SFO21:33San Francisco
$1,594
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United States 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, momondo users made 78,305 searches. Data last updated 13 September 2025.
Use the filters below to find and compare flights from the United States to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Thu 5/2

22:45-09:00

Nonstop15h 15m

Sydney Kingsford Smith

Wed 25/2

07:05-06:55

1 stop18h 50m

$1,218

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 26/11

22:45-09:00

Nonstop15h 15m

Sydney Kingsford Smith

Sun 7/12

06:20-06:55

1 stop19h 35m

$1,224

Los AngelesBrisbane

LAX - BNE

LAXBNE

Los Angeles

Mon 27/10

23:55-10:35

1 stop17h 40m

Brisbane

Fri 7/11

11:20-11:50

1 stop18h 30m

$1,245

Los AngelesBrisbane

LAX - BNE

LAXBNE

Los Angeles

Wed 11/2

22:45-10:20

1 stop17h 35m

Brisbane

Thu 5/3

11:25-11:50

1 stop18h 25m

$1,249

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Sun 9/11

20:10-08:45

1 stop17h 35m

Sydney Kingsford Smith

Tue 3/2

11:45-11:15

1 stop18h 30m

$1,297

Los AngelesBrisbane

LAX - BNE

LAXBNE

Los Angeles

Sun 7/12

19:05-09:55

1 stop20h 50m

Brisbane

Tue 13/1

11:10-10:40

1 stop17h 30m

$1,311

Los AngelesBrisbane

LAX - BNE

LAXBNE

Los Angeles

Tue 10/2

12:50-08:45

1 stop25h 55m

Brisbane

Sat 21/2

10:45-16:29

1 stop23h 44m

$1,338

Los AngelesBrisbane

LAX - BNE

LAXBNE

Los Angeles

Fri 31/10

14:10-07:45

1 stop24h 35m

Brisbane

Wed 12/11

06:35-11:48

2 stops23h 13m

$1,373

New YorkMelbourne

JFK - MEL

JFKMEL

New York John F Kennedy Intl

Wed 18/2

15:15-08:00

1 stop24h 45m

Melbourne

Wed 4/3

10:10-19:22

1 stop25h 12m

$1,792

New YorkMelbourne

JFK - MEL

JFKMEL

New York John F Kennedy Intl

Wed 18/2

12:50-08:00

2 stops27h 10m

Melbourne

Wed 4/3

10:10-19:22

1 stop25h 12m

$1,798

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from United States to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Australia?

In general, February is the cheapest month to fly from United States to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,353. If you don’t want to visit Australia in February, then you should wait until August to fly from United States, when ticket prices are also cheap, with an average price of $1,388.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from United States is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,457. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from United States to Australia on a Friday will generally be more expensive and average around $1,950. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from United States to Australia in the afternoon for as low as $1,455. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly at midday, with an average ticket price of $1,928. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to Australia flight route?

Fly from Los Angeles to Sydney Kingsford Smith for the best United States - Australia flight prices

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,510 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from United States for as low as $1,364 on momondo.

What cabin class options are available on United States to Australia flights?

There are 4 cabin classes available to choose from on United States to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Australia flights?

No. A direct flight is the cheapest option for a flight between United States to Australia.

Cheap United States to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Australia

Best price found

$372

Fastest flight time

14h 05m

Direct flights

Every day

Airports in Australia

1 airport
The best one-way flight to Australia from United States in the past 72 hours is $372. The best return flight deal from United States to Australia found on momondo in the last 72 hours is $373.
The fastest flight from United States to Australia takes 14h 05m
Direct flights go from United States to Australia every day.
There is 1 airport near Australia: Brisbane (BNE)
Search flight deals

  • When did momondo last update prices for flights from United States to Australia?

    Prices for flights from United States to Australia are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Australia?

  • How old do you have to be to fly from United States to Australia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United States to Australia?

Best airlines flying from United States to Australia

Compare and see reviews for airlines that fly from United States to Australia with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $300Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $465Free cancellationRating
7.4
8,934 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $674Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Hawaiian AirlinesPriceFrom $763Free cancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,050Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,161Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
DeltaPriceFrom $1,249Free cancellationRating
7.9
7,959 reviews
Search Delta flights
Air New ZealandPriceFrom $1,310Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Alaska AirlinesPriceFrom $1,406Free cancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Cathay PacificPriceFrom $1,467Free cancellationRating
7.6
993 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Australia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United States to Australia with flexible booking policies on momondo?

All flight searches from United States to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United States to Australia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from United States.

I’m not ready to book a flight from United States to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

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