Cheap flights from the United States to Australia from $349

The month of February is, on average, the cheapest month to fly to Australia from United States, with most prices found around $1,121. If you aren’t able to travel during the month of February, then book flights to Australia from United States during March instead. Flights to Australia in March, while not as cheap as those in February, still average around $1,226.

The cheapest day to depart from United States to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $994. On the other hand, Saturday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,068.

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

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 $1,410 when searching weeks out. 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 $1,215 on momondo.

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.

You could potentially save up to 40% on your flight if you consider stops on a United States to Australia flight.

Fiji Airways, Aeromexico, and Philippine Airlines are the most popular carriers operating from United States to Australia

Qantas Airways, United Airlines and Fiji Airways are the top three most popular airlines that fly to Australia from United States according to our data. Qantas Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 21 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between United States and Australia have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

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

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

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

As of February 2026, there are 39 flights per day flying from United States to Australia. The most common time of day flights depart is 10:00PM, with 100% of flights taking off in the evening.

As of February 2026, 276 flights take off from United States and land in Australia each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.