Cheap flights from the United States to Australia from £354

The month of February is, on average, the cheapest month to fly to Australia from United States, with most prices found around £845. The month of March is another great option to travel to Australia, with average flight prices from United States averaging around £872.

The cheapest day to depart on your flight to Australia is on a Thursday when prices can be found for as low as £570. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Australia is Monday, with ticket prices averaging around £827.

Fly from San Francisco to Brisbane 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 £1,017 when searching weeks before you fly. 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 £884 on momondo.

There are 3 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 17% on your flight if you consider stops on a United States to Australia flight.

Historically, on average around 24% 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 135 minutes.

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.

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

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of May 2026, there are 29 flights per day flying from United States to Australia. The most common time of day flights depart is 22:00, with 100% of flights taking off in the evening.

As of May 2026, there are 207 flights per week flying from United States to Australia. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.