Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

According to our data, ALS have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

Question 4

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

Accepted Answer

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.

Question 5

Which airlines fly to Sydney?

Accepted Answer

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 42% 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.

Question 6

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

Accepted Answer

The number of flights available between United States and Sydney is 27 per day as of November 2025. The most frequent departure time is 22:00, with 94% of daily flights leaving in the evening.

Question 7

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

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Question 8

What is the cheapest month to fly to Sydney?

Accepted Answer

The month of February is, on average, the cheapest month to fly to Sydney from United States, with most prices found around $1,347. If you aren’t able to travel to Sydney during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,402.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

You could potentially save up to 15% on your flight if you consider stops on a United States to Sydney flight.

Question 11

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

Accepted Answer

As of November 2025, there are 192 flights per week flying from United States to Sydney. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

Question 12

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

Accepted Answer

Historically, on average around 18% 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 145 minutes.

Question 13

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

Accepted Answer

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 $1,366. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,003.

Question 14

How long does it take to fly to Sydney?

Accepted Answer

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

Question 15

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

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from United States to Sydney in the afternoon for as low as $1,476. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,956 on average. Flights to Sydney from United States at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 16

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

Accepted Answer

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 $1,498 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 $1,368 on momondo.

Question 17

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

Accepted Answer

Prices for flights from United States to Sydney Kingsford Smith Airport are updated daily.

Question 18

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

Accepted Answer

There are 9 operators available for flights from United States to Sydney Kingsford Smith Airport as of November 2025.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Best price found	$633
Fastest flight time	10h 35m
Direct flights	Every day
Airports in Sydney	1 airport

Airline	Rating	Free cancellation	Price
Hawaiian Airlines	PriceFrom $871	Free cancellation	Rating 7.8 2,815 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $914	Free cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,009	Free cancellation	Rating 7.5 946 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $1,068	Free cancellation	Rating 8.1 209 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $1,236	Free cancellation	Rating 7.4 9,056 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,239	Free cancellation	Rating 7.1 10,485 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,282	Free cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $1,341	Free cancellation	Rating 8.0 11,380 reviews	Search Alaska Airlines flights

Cheap flights from the United States to Sydney from $502

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 14/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Sydney

Recent return flight deals from the United States to Sydney

Recent one-way flight deals from the United States to Sydney

Recent last minute flight deals from the United States to Sydney

Recent direct flight deals from the United States to Sydney

Qantas Airways flights from United States to Sydney

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

Air Canada flights from United States to Sydney

Our best Air Canada deals on United States to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Sydney that are best for you.

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?

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 $1,366. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,003.

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

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?

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?

You could potentially save up to 15% on your flight if you consider stops on a United States to Sydney flight.

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

Which airlines fly to Sydney?

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

Historically, on average around 18% 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 145 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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. Tuesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, ALS have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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 November 2025. The most frequent departure time is 22:00, with 94% of daily flights leaving in the evening.

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

As of November 2025, there are 192 flights per week flying from United States to Sydney. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

How long does it take to fly to Sydney?

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

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

Fastest flight time

Direct flights

Airports in Sydney

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

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?

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

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

Travelling to a place near Sydney?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales