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Cheap flights from the United States to Sydney from $377

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 10/23. 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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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

Qantas Airways Logo
10:45 pm - 9:00 amLAX-SYD
15h 15mnonstop
Qantas Airways Logo
6:20 am - 6:55 amSYD-LAX
19h 35m1 stop
$814Qantas Airways
Find Deal
Wed, Nov 26 - Sun, Dec 7
Philippine Airlines Logo
9:30 pm - 9:50 amSEA-SYD
41h 20m1 stop
Philippine Airlines Logo
11:35 am - 7:40 pmSYD-SEA
26h 05m1 stop
$814Philippine Airlines
Find Deal
Fri, Feb 27 - Wed, Mar 11
American Airlines Logo
1:53 pm - 9:00 amSEA-SYD
25h 07m2 stops
American Airlines Logo
11:20 am - 6:11 pmSYD-SEA
25h 51m1 stop
$819American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
6:02 am - 9:00 amSEA-SYD
31h 58m1 stop
American Airlines Logo
2:05 pm - 7:03 pmSYD-SEA
23h 58m1 stop
$822American Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 16
Fiji Airways Logo
11:55 pm - 12:45 pmLAX-SYD
18h 50m1 stop
Fiji Airways Logo
6:00 am - 11:50 amSYD-LAX
24h 50m1 stop
$827Fiji Airways
Find Deal
Wed, Oct 29 - Wed, Nov 5
Fiji Airways Logo
10:45 pm - 12:30 pmLAX-SYD
18h 45m1 stop
Fiji Airways Logo
2:00 pm - 11:50 amSYD-LAX
16h 50m1 stop
$834Fiji Airways
Find Deal
Wed, Nov 5 - Mon, Nov 17
United Airlines Logo
12:24 pm - 9:05 amSEA-SYD
25h 41m1 stop
United Airlines Logo
12:10 pm - 11:18 amSYD-SEA
18h 08m1 stop
$838United Airlines
Find Deal
Fri, Jan 30 - Tue, Feb 17
Delta Logo
1:30 pm - 6:50 amSEA-SYD
22h 20m2 stops
Delta Logo
2:15 pm - 4:23 pmSYD-SEA
21h 08m1 stop
$839Delta
Find Deal
Thu, Feb 5 - Mon, Feb 16
United Airlines Logo
12:35 pm - 6:20 amSEA-SYD
22h 45m1 stop
United Airlines Logo
11:20 am - 11:28 amSYD-SEA
19h 08m1 stop
$840United Airlines
Find Deal
Fri, Jan 30 - Wed, Feb 18
Delta Logo
5:55 pm - 7:35 amSEA-SYD
19h 40m1 stop
Delta Logo
10:25 am - 12:18 amSYD-SEA
31h 53m1 stop
$850Delta
Find Deal
Mon, Oct 13 - Sun, Oct 26

Air Canada flights from United States to Sydney

Our best Air Canada deals on United States to Sydney flight tickets
Air Canada
Oct 19
SEA7:15 pmSeattle/Tacoma Intl
22h 25m
2 stops
SYD11:40 amSydney Kingsford Smith
Nov 2
SYD9:00 amSydney Kingsford Smith
19h 31m
2 stops
SEA10:31 amSeattle/Tacoma Intl
$817
Find similar
Air Canada
Feb 27
SEA10:05 amSeattle/Tacoma Intl
28h 30m
1 stop
SYD9:35 amSydney Kingsford Smith
Mar 22
SYD10:20 amSydney Kingsford Smith
22h 41m
1 stop
SEA3:01 pmSeattle/Tacoma Intl
$820
Find similar
Air Canada
Oct 21
SEA5:30 amSeattle/Tacoma Intl
32h 50m
1 stop
SYD8:20 amSydney Kingsford Smith
Oct 31
SYD10:20 amSydney Kingsford Smith
22h 11m
1 stop
SEA2:31 pmSeattle/Tacoma Intl
$830
Find similar

Fiji Airways flights from United States to Sydney

Our best Fiji Airways deals on United States to Sydney flight tickets
Fiji Airways
Oct 29
LAX11:55 pmLos Angeles
18h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 5
SYD6:00 amSydney Kingsford Smith
24h 50m
1 stop
LAX11:50 amLos Angeles
$827
Find similar
Fiji Airways
Nov 5
LAX10:45 pmLos Angeles
18h 45m
1 stop
SYD12:30 pmSydney Kingsford Smith
Nov 17
SYD2:00 pmSydney Kingsford Smith
16h 50m
1 stop
LAX11:50 amLos Angeles
$834
Find similar
Fiji Airways
Oct 28
LAX11:55 pmLos Angeles
18h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 11
SYD6:00 amSydney Kingsford Smith
24h 50m
1 stop
LAX11:50 amLos Angeles
$836
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 September 15, 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

Wed 11/26

10:45 pm-9:00 am

Nonstop15h 15m

Sydney Kingsford Smith

Sun 12/7

6:20 am-6:55 am

1 stop19h 35m

$814

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 2/27

9:30 pm-9:50 am

1 stop41h 20m

Sydney Kingsford Smith

Wed 3/11

11:35 am-7:40 pm

1 stop26h 05m

$814

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 10/28

1:53 pm-9:00 am

2 stops25h 07m

Sydney Kingsford Smith

Tue 11/4

11:20 am-6:11 pm

1 stop25h 51m

$819

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 2/2

6:02 am-9:00 am

1 stop31h 58m

Sydney Kingsford Smith

Mon 2/16

2:05 pm-7:03 pm

1 stop23h 58m

$822

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 10/29

11:55 pm-12:45 pm

1 stop18h 50m

Sydney Kingsford Smith

Wed 11/5

6:00 am-11:50 am

1 stop24h 50m

$827

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles

Wed 11/5

10:45 pm-12:30 pm

1 stop18h 45m

Sydney Kingsford Smith

Mon 11/17

2:00 pm-11:50 am

1 stop16h 50m

$834

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 1/30

12:24 pm-9:05 am

1 stop25h 41m

Sydney Kingsford Smith

Tue 2/17

12:10 pm-11:18 am

1 stop18h 08m

$838

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Thu 2/5

1:30 pm-6:50 am

2 stops22h 20m

Sydney Kingsford Smith

Mon 2/16

2:15 pm-4:23 pm

1 stop21h 08m

$839

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 1/30

12:35 pm-6:20 am

1 stop22h 45m

Sydney Kingsford Smith

Wed 2/18

11:20 am-11:28 am

1 stop19h 08m

$840

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 10/13

5:55 pm-7:35 am

1 stop19h 40m

Sydney Kingsford Smith

Sun 10/26

10:25 am-12:18 am

1 stop31h 53m

$850

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 $1,113. If you are unable to visit Sydney during the month of February, then departing from United States during the month March is also very affordable. Most momondo users find prices during this month for around $1,276.

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 Sunday when prices can be found for as low as $1,748. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,765.

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 $2,138. 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 $1,503 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 $1,272 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

$255

Fastest flight time

14h 55m

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 $255. The best round-trip flight deal from United States to Sydney found on momondo in the last 72 hours is $414.
The fastest flight from United States to Sydney takes 14h 55m
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
911 reviews
Search Philippine Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
DeltaPriceFrom $397Free CancellationRating
7.9
7,954 reviews
Search Delta flights
ANAPriceFrom $418Free CancellationRating
8.4
961 reviews
Search ANA flights
Virgin AustraliaPriceFrom $455Free CancellationRating
7.5
416 reviews
Search Virgin Australia flights
Hawaiian AirlinesPriceFrom $499Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $644Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Fiji AirwaysPriceFrom $673Free CancellationRating
8.0
205 reviews
Search Fiji Airways flights
Alaska AirlinesPriceFrom $741Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $796Free CancellationRating
7.2
10,000 reviews
Search American 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
Cronulla
Coogee
Lithgow
Penrith
Manly
Leura
Charlestown
Terrigal
Swansea

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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