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Cheap flights from the United States to Sydney from $305

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 Sydney departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Sydney

Recent round-trip flight deals from the United States to Sydney

Logo
5:41 pm - 2:40 pmLAX-SYD
27h 59m1 stop
Logo
4:20 pm - 8:11 pmSYD-LAX
20h 51m2 stops
$687
Find Deal
Tue, Sep 9 - Fri, Sep 19
Logo
4:44 pm - 2:40 pmSFO-SYD
28h 56m2 stops
Logo
4:20 pm - 9:33 pmSYD-SFO
22h 13m1 stop
$697
Find Deal
Tue, Aug 19 - Fri, Aug 29
Air Canada Logo
10:00 am - 7:20 amSEA-SYD
28h 20m1 stop
Air Canada Logo
9:20 am - 2:16 pmSYD-SEA
21h 56m1 stop
$709Air Canada
Find Deal
Sun, Aug 24 - Tue, Sep 9
Air Canada Logo
7:15 pm - 8:20 amSEA-SYD
19h 05m1 stop
Air Canada Logo
10:20 am - 2:26 pmSYD-SEA
22h 06m1 stop
$711Air Canada
Find Deal
Sun, Oct 19 - Sun, Oct 26
Fiji Airways Logo
11:55 pm - 11:45 amLAX-SYD
18h 50m1 stop
Fiji Airways Logo
2:15 pm - 12:55 pmSYD-LAX
16h 40m1 stop
$754Fiji Airways
Find Deal
Tue, Sep 30 - Tue, Oct 14
Fiji Airways Logo
11:55 pm - 12:45 pmLAX-SYD
18h 50m1 stop
Fiji Airways Logo
2:15 pm - 12:55 pmSYD-LAX
16h 40m1 stop
$755Fiji Airways
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
2:31 pm - 9:40 amONT-SYD
26h 09m2 stops
American Airlines Logo
11:00 am - 6:54 pmSYD-ONT
24h 54m2 stops
$853American Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 15
American Airlines Logo
2:31 pm - 9:40 amONT-SYD
26h 09m2 stops
American Airlines Logo
11:00 am - 6:54 pmSYD-ONT
24h 54m2 stops
$861American Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 15
United Airlines Logo
1:15 pm - 7:00 amLGA-SYD
25h 45m2 stops
United Airlines Logo
11:50 am - 4:24 pmSYD-LGA
20h 34m1 stop
$993United Airlines
Find Deal
Mon, Nov 10 - Sun, Nov 23
United Airlines Logo
5:15 pm - 9:05 amLGA-SYD
24h 50m2 stops
United Airlines Logo
11:50 am - 4:24 pmSYD-LGA
20h 34m1 stop
$994United Airlines
Find Deal
Mon, Oct 27 - Sun, Nov 9

United Airlines flights from United States to Sydney

Our best United Airlines deals on United States to Sydney flight tickets
United Airlines
Nov 10
LGA1:15 pmNew York LaGuardia
25h 45m
2 stops
SYD7:00 amSydney Kingsford Smith
Nov 23
SYD11:50 amSydney Kingsford Smith
20h 34m
1 stop
LGA4:24 pmNew York LaGuardia
$993
Find similar
United Airlines
Oct 27
LGA5:15 pmNew York LaGuardia
24h 50m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 9
SYD11:50 amSydney Kingsford Smith
20h 34m
1 stop
LGA4:24 pmNew York LaGuardia
$994
Find similar
United Airlines
Jan 18
LGA4:15 pmNew York LaGuardia
24h 50m
2 stops
SYD9:05 amSydney Kingsford Smith
Feb 1
SYD11:50 amSydney Kingsford Smith
23h 23m
2 stops
LGA7:13 pmNew York LaGuardia
$997
Find similar

Air New Zealand flights from United States to Sydney

Our best Air New Zealand deals on United States to Sydney flight tickets
Air New Zealand
Sep 2
SNA7:00 pmSanta Ana J. Wayne/Orange Cnty
20h 45m
2 stops
SYD8:45 amSydney Kingsford Smith
Feb 10
SYD11:45 amSydney Kingsford Smith
22h 00m
2 stops
SNA2:45 pmSanta Ana J. Wayne/Orange Cnty
$1,072
Find similar
Air New Zealand
Sep 16
SNA5:58 pmSanta Ana J. Wayne/Orange Cnty
21h 47m
2 stops
SYD8:45 amSydney Kingsford Smith
Sep 30
SYD8:55 amSydney Kingsford Smith
26h 16m
2 stops
SNA6:11 pmSanta Ana J. Wayne/Orange Cnty
$1,073
Find similar
Air New Zealand
Oct 20
SNA6:11 pmSanta Ana J. Wayne/Orange Cnty
20h 34m
2 stops
SYD8:45 amSydney Kingsford Smith
Nov 2
SYD1:55 pmSydney Kingsford Smith
37h 59m
2 stops
SNA9:54 amSanta Ana J. Wayne/Orange Cnty
$1,079
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from the United States to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 9/9

5:41 pm-2:40 pm

1 stop27h 59m

Sydney Kingsford Smith

Fri 9/19

4:20 pm-8:11 pm

2 stops20h 51m

$687

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 8/19

4:44 pm-2:40 pm

2 stops28h 56m

Sydney Kingsford Smith

Fri 8/29

4:20 pm-9:33 pm

1 stop22h 13m

$697

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 8/24

10:00 am-7:20 am

1 stop28h 20m

Sydney Kingsford Smith

Tue 9/9

9:20 am-2:16 pm

1 stop21h 56m

$709

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 10/19

7:15 pm-8:20 am

1 stop19h 05m

Sydney Kingsford Smith

Sun 10/26

10:20 am-2:26 pm

1 stop22h 06m

$711

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 9/30

11:55 pm-11:45 am

1 stop18h 50m

Sydney Kingsford Smith

Tue 10/14

2:15 pm-12:55 pm

1 stop16h 40m

$754

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Tue 10/21

11:55 pm-12:45 pm

1 stop18h 50m

Sydney Kingsford Smith

Tue 10/28

2:15 pm-12:55 pm

1 stop16h 40m

$755

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 9/1

2:31 pm-9:40 am

2 stops26h 09m

Sydney Kingsford Smith

Mon 9/15

11:00 am-6:54 pm

2 stops24h 54m

$853

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 9/1

2:31 pm-9:40 am

2 stops26h 09m

Sydney Kingsford Smith

Mon 9/15

11:00 am-6:54 pm

2 stops24h 54m

$861

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 11/10

1:15 pm-7:00 am

2 stops25h 45m

Sydney Kingsford Smith

Sun 11/23

11:50 am-4:24 pm

1 stop20h 34m

$993

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 10/27

5:15 pm-9:05 am

2 stops24h 50m

Sydney Kingsford Smith

Sun 11/9

11:50 am-4:24 pm

1 stop20h 34m

$994

Flights are sorted by cheapest round-trip flights first.

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

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

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 Sydney?

In general, February is the cheapest month to fly from United States to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,181. If you are unable to visit Sydney during the month of February, then departing from United States during the month August is also very affordable. Most momondo users find prices during this month for around $1,294.

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

The cheapest day to depart from United States to Sydney is on a Wednesday when prices can be found for as low as $1,781. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,429.

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

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from United States to Sydney at noon for as low as $1,479. 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 Sydney are more costly in the afternoon, with an average ticket price of $2,042. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to Sydney Kingsford Smith flight route?

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

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

You are more likely to see cheaper flights to Sydney from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,509 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from United States for as low as $1,296 on momondo.

What cabin class options are available on United States to Sydney Kingsford Smith flights?

There are 4 cabin classes available to choose from on United States to Sydney Kingsford Smith 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 Sydney flights?

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

Cheap United States to Sydney flight deals and tips

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

Best Price Found

$305

Fastest flight time

17h 45m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from United States in the past 72 hours is $305. The best round-trip flight deal from United States to Sydney found on momondo in the last 72 hours is $687.
The fastest flight from United States to Sydney takes 17h 45m
Direct flights go from United States to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • When did momondo last update prices for flights from United States to Sydney Kingsford Smith Airport?

    Prices for flights from United States to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from United States to Sydney Kingsford Smith Airport?

    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 Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from United States to Sydney

Compare and see reviews for airlines that fly from United States to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $231Free CancellationRating
7.2
894 reviews
Search Philippine Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
ANAPriceFrom $418Free CancellationRating
8.4
922 reviews
Search ANA flights
Virgin AustraliaPriceFrom $455Free CancellationRating
7.5
411 reviews
Search Virgin Australia flights
DeltaPriceFrom $461Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $499Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
Fiji AirwaysPriceFrom $676Free CancellationRating
8.0
202 reviews
Search Fiji Airways flights
LufthansaPriceFrom $724Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Air CanadaPriceFrom $735Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $741Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Cronulla
Penrith
Manly
Charlestown
Lithgow
Swansea
Leura
Terrigal

Why use momondo?

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

It is quick and easy to find United States to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo enables you to select and highlight flights to Sydney from United States with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Sydney.

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

Price alerts on flights to Sydney from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sydney trip

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