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Cheap flights from Detroit to Sydney
DTT — SYD
11 Oct — 18 Oct1
Cheap flight deals from Detroit to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.
Popular in | September |
|---|---|
Cheapest in | February |
Average price | C$ 1,728 |
Best time to book a flight from Detroit to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit to Sydney
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How far ahead should I book a flight from Detroit to Sydney?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to Sydney. Price data was last updated on 29 August 2025.
To ensure you get the cheapest price possible for a flight from Detroit to Sydney, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Detroit to Sydney?
Currently, February is the cheapest month in which you can book a flight from Detroit to Sydney (average of C$ 1,326). Flying from Detroit to Sydney in December is currently the most expensive (average of C$ 1,881). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DTT to SYD?
Find hourly flight availability from Detroit to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.
When flying from Detroit to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at noon.
What’s the top layover airport for flights from Detroit to Sydney?
Share of one-stop round-trip flights from Detroit to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.
San Francisco (SFO) – chosen by Cheapflights users on 41% of one-stop itineraries from Detroit to Sydney on Cheapflights.
What’s the fastest layover option from Detroit to Sydney?
Shortest average travel time for 1-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 21h 45m.
What’s the fastest layover option from Detroit to Sydney?
Shortest average travel time for 1-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 21h 45m.
Which airport typically offers the quickest layover for flights from Detroit to Sydney?
Average layover duration for 1-stop one-way flights from Detroit to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 25m.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 11 September 2025.
Get a feel of what it's like to fly with Delta,Qantas Airways, andUnited Airlines from Detroit to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Detroit to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Penrith
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.
Top 4 airlines flying from Detroit to Sydney
Discover the top 4 airlines that operate flights from Detroit to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Detroit to Sydney?
When you search for this flight from Detroit to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Detroit.
Can Cheapflights find flights from Detroit to Sydney with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Detroit to Sydney flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?
Not ready to book yet? You can track prices for flights from Detroit to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.