Question 1

What’s the cheapest stopover airport for flights from Detroit to Sydney?

Accepted Answer

Houston (IAH) is the most affordable one-stop option, with an average return flight price of $960. Find deals

Question 2

Which airport typically offers the quickest stopover for flights from Detroit to Sydney?

Accepted Answer

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 25m. Find deals

Question 3

What’s the top stopover airport for flights from Detroit to Sydney?

Accepted Answer

Houston (IAH) – chosen by Cheapflights users on 38% of one-stop itineraries from Detroit to Sydney on Cheapflights. Find deals

Question 4

What’s the fastest stopover option from Detroit to Sydney?

Accepted Answer

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 22h 14m. Find deals

Question 5

How long is the flight from Detroit to Sydney?

Accepted Answer

Airlines like Delta fly from Detroit to Sydney in about 25h 55m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 15226 km.

Question 6

What are the cheapest airlines flying from Detroit to Sydney round-trip?

Accepted Answer

Our cheapest airline available from Detroit to Sydney is United Airlines. Our recent data shows that you can find tickets from as low as $960 on this airline. An additional option worth looking into is American Airlines, starting at $1,454. United Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

Question 7

How far ahead should I book a flight from Detroit to Sydney?

Accepted Answer

The price you pay for your flight from Detroit to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

What is the cheapest month to book a flight from Detroit to Sydney?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from Detroit to Sydney (average of $129). Flying from Detroit to Sydney in October is currently the most expensive (average of $171). 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.

Question 9

What is the cheapest day to fly from Detroit to Sydney?

Accepted Answer

Travellers seeking maximum savings on their Detroit to Sydney flight should consider departing on Monday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Question 12

What is the cheapest day to fly return from Detroit to Sydney?

Accepted Answer

Flights from Detroit to Sydney are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

Question 13

How far in advance should I book a flight from Detroit to Sydney?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 5% on flights from Detroit to Sydney compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,359. For sooner than that we have options available in the next 3 days from $1,359.

Question 14

What is the cheapest month to fly from Detroit to Sydney?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, February can be a great choice for travel to Sydney. Flights to Sydney from Detroit in February are about $1,645 on average during February, but can be found for as low as $886.

Question 15

What is the cheapest time of day to fly from DTT to SYD?

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 80% on flights from Detroit to Sydney by exploring options for tickets at midday.

Question 16

Can I find deals for flights from Detroit to Sydney that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Detroit to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from Detroit to Sydney?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Sydney.

Question 18

Can I find deals for business class flights from Detroit to Sydney?

Accepted Answer

Yes. Cheapflights offers flight deals from Detroit to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from Detroit to Sydney?

Accepted Answer

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.

Question 20

Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Detroit to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 21

Can Cheapflights find flights from Detroit to Sydney with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Detroit to Sydney with no change fees.

Question 22

Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?

Accepted Answer

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.

Round-trip from	$1,275
One-way from	$702
Popular in	September
Cheapest in	February
Average price	$1,490

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$960	Average$2,002	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$1,454	Average$1,477	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Cheap flights from Detroit to Sydney from $702

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in February or March, booked 78 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Detroit to Sydney

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Find flight deals from Detroit to Sydney

Cheapest flights from Detroit to SydneyExplore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Sydney

How far ahead should I book a flight from Detroit to Sydney?

Use this chart to determine the optimal time to book a return flight from Detroit to Sydney. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Detroit to Sydney?

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 22 August 2025.

What’s the top stopover airport for flights from Detroit to Sydney?

Share of one-stop return flights from Detroit to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Detroit to Sydney?

Average return fare for one-stop flights from Detroit to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Detroit to Sydney?

Shortest average travel time for one-stop one-way flights from Detroit to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Detroit to Sydney?

Average stopover duration for one-stop one-way flights from Detroit to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Qantas Airways and United Airlines from Detroit to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Detroit to Sydney?

What are the cheapest airlines flying from Detroit to Sydney round-trip?

Can I find deals for flights from Detroit to Sydney that include hotel bookings?

How can I find direct flights from Detroit to Sydney?

Can I find deals for business class flights from Detroit to Sydney?

What is the cheapest month to book a flight from Detroit to Sydney?

Travelling to a place near Sydney?

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Alternative routes for Detroit to Sydney

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Top 2 airlines flying from Detroit to Sydney

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How does Cheapflights help users find flights from Detroit to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Detroit to Sydney?

Can Cheapflights find flights from Detroit to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Detroit to Sydney become cheaper?

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Cheapest flights from Detroit to Sydney
Explore the most affordable flight options available from Detroit to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.