Cheap flights from O'ahu to Australia from $635

In general, August is the cheapest month to fly from O'ahu to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $496. If you don’t want to visit Australia in August, then you should wait until April to fly from O'ahu, when ticket prices are also cheap, with an average price of $625.

On average, the least expensive day to fly to Australia from O'ahu is on a Friday. momondo users have found tickets for Friday departures for as low as $432. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from O'ahu to Australia on a Monday will generally be more expensive and average around $806. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Australia is at midday. momondo users have found flights departing from O'ahu to Australia at midday for as low as $432. 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 Australia are more costly in the morning, with an average ticket price of $551. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Honolulu to Sydney Kingsford Smith for the best O'ahu - Australia flight prices

You are more likely to see cheaper flights to Australia from O'ahu when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,102 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 O'ahu for as low as $618 on momondo.

There are 3 cabin classes available to choose from on O'ahu to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of February 2026, there are 2 flights per day flying from O'ahu to Australia. The most common time of day flights depart is 10:00, with 50% of flights taking off at midday.

The number of flights available between O'ahu and Australia is 20 per week as of February 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.