How often are flights from the United States to Sydney delayed?

Historically, on average around 24% of flights between United States and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

Which airline has the best punctuality record on the United States to Sydney flights?

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airlines fly to Sydney?

Qantas Airways, United Airlines and Fiji Airways are the top three most popular airlines that fly to Sydney from United States according to our data. Qantas Airways is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Sydney?

If you’re flying from a popular airport in United States, such as San Francisco or Los Angeles, and flying into Sydney, then you can expect flight times to average 14h 50m and 14h 55m, respectively.

What is the most punctual flight time for the United States to Sydney flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from United States to Sydney Kingsford Smith?

Fiji Airways, United Airlines, and Delta are the most popular carriers operating from United States to Sydney Kingsford Smith

How many flights depart from United States to Sydney on average per week?

As of May 2026, there are 193 flights per week flying from United States to Sydney. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

How many flights depart from United States to Sydney on average per day?

The number of flights available between United States and Sydney is 27 per day as of May 2026. The most frequent departure time is 22:00, with 100% of daily flights leaving in the evening.

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 updated daily.

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

There are 8 operators available for flights from United States to Sydney Kingsford Smith Airport as of May 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from United States to Sydney Kingsford Smith Airport.

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

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$515 Cheap Flights from the United States to Sydney in 2026

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Find the cheapest flights from the United States to Sydney

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One-way

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Recent return flight deals from the United States to Sydney

Enter your travel dates to find the best prices.

23:55 - 22:10

LAX

SYD

29h 15m

1 stop

13:15 - 13:05

SYD

LAX

16h 50m

1 stop

$1,058Fiji Airways

Sun, 9 Aug - Sun, 30 Aug

23:55 - 11:50

LAX

SYD

18h 55m

1 stop

13:15 - 13:05

SYD

LAX

16h 50m

1 stop

$1,059Fiji Airways

Thu, 14 May - Mon, 1 Jun

23:10 - 07:05

LAX

SYD

14h 55mdirect

19:25 - 07:05

SYD

LAX

28h 40m

2 stops

$1,077Qantas Airways

Wed, 26 Aug - Wed, 2 Sep

23:05 - 07:05

LAX

SYD

15h 00mdirect

19:25 - 07:05

SYD

LAX

28h 40m

2 stops

$1,079Qantas Airways

Mon, 1 Jun - Wed, 15 Jul

08:30 - 07:00

SEA

SYD

29h 30m

1 stop

09:30 - 11:33

SYD

SEA

19h 03m

1 stop

$1,516United Airlines

Wed, 22 Jul - Mon, 24 Aug

18:05 - 07:20

EWR

SYD

23h 15m

1 stop

09:20 - 16:40

SYD

EWR

21h 20m

1 stop

$1,628Air Canada

Sun, 17 May - Sun, 24 May

14:25 - 07:20

EWR

SYD

26h 55m

2 stops

09:20 - 16:40

SYD

EWR

21h 20m

1 stop

$1,633Air Canada

Mon, 18 May - Sun, 24 May

12:29 - 07:00

LGA

SYD

28h 31m

2 stops

09:30 - 21:59

SYD

LGA

26h 29m

2 stops

$1,702United Airlines

Sun, 26 Jul - Tue, 4 Aug

20:23 - 06:55

HOU

SYD

19h 32m

1 stop

12:00 - 18:19

SYD

HOU

21h 19m

1 stop

$2,561American Airlines

Mon, 22 Jun - Wed, 8 Jul

20:23 - 06:55

HOU

SYD

19h 32m

1 stop

12:00 - 15:45

SYD

HOU

18h 45m

1 stop

$2,567American Airlines

Mon, 22 Jun - Sun, 5 Jul

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Qantas Airways flights from United States to Sydney

Our best Qantas Airways deals on United States to Sydney flight tickets

Qantas Airways

26 Aug

LAX23:10Los Angeles Los Angeles

14h 55m

SYD07:05Sydney Kingsford Smith

2 Sept

SYD19:25Sydney Kingsford Smith

28h 40m

2 stops

LAX07:05Los Angeles Los Angeles

$1,077

Qantas Airways

1 June

LAX23:05Los Angeles Los Angeles

15h 00m

SYD07:05Sydney Kingsford Smith

15 July

SYD19:25Sydney Kingsford Smith

28h 40m

2 stops

LAX07:05Los Angeles Los Angeles

$1,079

Qantas Airways

14 May

LAX23:05Los Angeles Los Angeles

15h 00m

SYD07:05Sydney Kingsford Smith

25 May

SYD19:25Sydney Kingsford Smith

28h 40m

2 stops

LAX07:05Los Angeles Los Angeles

$1,270

Delta flights from United States to Sydney

Our best Delta deals on United States to Sydney flight tickets

Delta

4 May

SEA11:10Seattle/Tacoma Intl

26h 40m

2 stops

SYD06:50Sydney Kingsford Smith

19 May

SYD09:15Sydney Kingsford Smith

24h 29m

2 stops

SEA16:44Seattle/Tacoma Intl

$1,534

Delta

9 May

SEA21:20Seattle/Tacoma Intl

40h 30m

1 stop

SYD06:50Sydney Kingsford Smith

24 May

SYD09:15Sydney Kingsford Smith

20h 08m

1 stop

SEA12:23Seattle/Tacoma Intl

$1,538

Delta

9 May

SEA21:20Seattle/Tacoma Intl

40h 30m

1 stop

SYD06:50Sydney Kingsford Smith

25 May

SYD09:15Sydney Kingsford Smith

23h 08m

2 stops

SEA15:23Seattle/Tacoma Intl

$1,544

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles Los Angeles

Sun 9/8

23:55-22:10

1 stop29h 15m

Sydney Kingsford Smith

Sun 30/8

13:15-13:05

1 stop16h 50m

$1,058

Fastest return journey

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles Los Angeles

Thu 14/5

23:55-11:50

1 stop18h 55m

Sydney Kingsford Smith

Mon 1/6

13:15-13:05

1 stop16h 50m

$1,059

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles Los Angeles

Wed 26/8

23:10-07:05

Nonstop14h 55m

Sydney Kingsford Smith

Wed 2/9

19:25-07:05

2 stops28h 40m

$1,077

Los AngelesSydney

LAX - SYD

LAXSYD

Los Angeles Los Angeles

Mon 1/6

23:05-07:05

Nonstop15h 00m

Sydney Kingsford Smith

Wed 15/7

19:25-07:05

2 stops28h 40m

$1,079

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 22/7

08:30-07:00

1 stop29h 30m

Sydney Kingsford Smith

Mon 24/8

09:30-11:33

1 stop19h 03m

$1,516

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 17/5

18:05-07:20

1 stop23h 15m

Sydney Kingsford Smith

Sun 24/5

09:20-16:40

1 stop21h 20m

$1,628

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 18/5

14:25-07:20

2 stops26h 55m

Sydney Kingsford Smith

Sun 24/5

09:20-16:40

1 stop21h 20m

$1,633

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 26/7

12:29-07:00

2 stops28h 31m

Sydney Kingsford Smith

Tue 4/8

09:30-21:59

2 stops26h 29m

$1,702

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 22/6

20:23-06:55

1 stop19h 32m

Sydney Kingsford Smith

Wed 8/7

12:00-18:19

1 stop21h 19m

$2,561

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 22/6

20:23-06:55

1 stop19h 32m

Sydney Kingsford Smith

Sun 5/7

12:00-15:45

1 stop18h 45m

$2,567

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from United States, with most prices found around $1,522. If you aren’t able to travel to Sydney during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,531.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,267. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,543.

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

Fly from Las Vegas Harry Reid Intl to Sydney Kingsford Smith for the best United States - Sydney Kingsford Smith flight prices

How far in advance should I book a flight from the United States 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 $1,350 when searching weeks before you fly. 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 $1,273 on momondo.

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	$851
Fastest flight time	10h 40m
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 $851. The best return flight deal from United States to Sydney found on momondo in the last 72 hours is $1,417.

The fastest flight from United States to Sydney takes 10h 40m

Direct flights go from United States to Sydney every day.

There is 1 airport in Sydney. From United States there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from the United States to Sydney

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 updated daily.
How many operators does momondo search for flights from United States to Sydney Kingsford Smith Airport?
There are 8 operators available for flights from United States to Sydney Kingsford Smith Airport as of May 2026.
How old do you have to be to fly from United States to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from United States to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from United States to Sydney?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to Sydney is Boeing 787-9 Dreamliner (32.17% of total bookings). The next most popular plane models are Boeing 777-300ER (24.89%), Airbus A380-800 (16.59%), and Airbus A350-900 (9.85%).

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
Hawaiian Airlines	PriceFrom $705	Free cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $832	Free cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Fiji Airways	PriceFrom $965	Free cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $1,092	Free cancellation	Rating 7.1 10,993 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,092	Free cancellation	Rating 7.5 1,030 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,109	Free cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,167	Free cancellation	Rating 7.1 11,674 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $1,446	Free cancellation	Rating 0.0	Search Alaska Airlines flights

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Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

Finding the right flight to Sydney from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

Flights from United States to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Sydney from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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