Travelers have found it’s best to book a flight 61 days in advance to save up to 14% 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 61 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 Dubuque to Sydney 1-2 weeks in advance for as low as $1,179, or $1,248 for flights within the next 24 hours.
Flights from Dubuque to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Dubuque to Sydney in July, with the cheapest ticket starting at $635.