DTW (Detroit) to PER (Perth) Flights $1,375.76

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The cheapest day to fly in July is Wednesday. Being flexible with your travel days garners even more savings during booking.

Question : Should you take that vacation to Perth in the next 30 days?
Answer : As of Jun 26th, the cheapest day to fly from Detroit to Perth is Jul 5th. Tickets are currently being sold for $2,010, which is 57% below the average price for this route.

Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to fluctuate much more than other flights from the United States. They can vary anywhere from $1,845 to $7,524. Prices tend to be lower the further out you book.

Question : How long do most people stay in Perth?
Answer : Of course you're not most people, but if you were, you'd stay roughly 10 days.