Travelers have found it’s best to book a flight 46 days in advance to save up to 16% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 46 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Reagan National to Australia 1-2 weeks in advance for as low as $972, or $1089 for flights within the next 24 hours.
March can be a great time to fly to Australia from Reagan National with a flight ticket averaging about $1040. Cheapflights users have found deals in the month of March for as cheap as $734. The most expensive prices can be found in the month of December.