HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$427+ Cheap flights from Detroit (DTT) to Sydney (SYD)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Sydney with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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 January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$887
(Cheapflightsfares)

One-way from

$446
(Justfly.com)

Popular in

January

Cheapest in

May

Average price

$1,459
Provider with most accurate pricing for Detroit (DTT)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Sydney Kingsford Smith flights.
Search Deals
From Detroit (DTT) to Sydney Kingsford Smith
Search Deals
One-way flight from Detroit (DTT) to Sydney Kingsford Smith
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Detroit to Sydney

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 January 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:03 pmDTW - SYD
2 stops23h 47mQantas Airways
Mon 3/246:05 amSYD - DTW
2 stops23h 13mQantas Airways
Deal found 1/19$878
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/78:40 amDTW - SYD
2 stops32h 20mUnited Airlines
Wed 4/3010:20 amSYD - DTW
1 stop20h 37mUnited Airlines
Deal found 1/19$909
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/258:05 amDTW - SYD
2 stops31h 20mAmerican Airlines
Sat 3/811:50 amSYD - DTW
2 stops21h 46mAmerican Airlines
Deal found 1/18$939
This Mytrip deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/63:41 pmDTW - SYD
2 stops29h 19mMultiple Airlines
Sat 3/292:30 pmSYD - DTW
2 stops30h 12mMultiple Airlines
Deal found 1/19$966
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:40 pmDTW - SYD
1 stop21h 55mDelta
Mon 8/49:25 amSYD - DTW
1 stop23h 50mDelta
Deal found 1/19$1,118
This Gurufare deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:00 amDTW - SYD
2 stops47h 15mANA
Sat 12/1312:25 pmSYD - DTW
2 stops46h 26mANA
Deal found 1/19$1,190
This Air Canada deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:30 amDTW - SYD
3 stops31h 50mAir Canada
Tue 6/179:20 amSYD - DTW
2 stops39h 01mAir Canada
Deal found 1/19$1,236
This Alaska Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/134:49 pmDTW - SYD
3 stops35h 56mAlaska Airlines
Tue 3/189:40 pmSYD - DTW
2 stops33h 24mAlaska Airlines
Deal found 1/19$1,503

Find flights from Detroit to Sydney within your budget

Customize your flight search to find flights from Detroit to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 3/10

7:03 pm-9:50 am

2 stops23h 47m

Sydney Kingsford Smith

Mon 3/24

6:05 am-2:18 pm

2 stops23h 13m

$878

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Mon 4/7

8:40 am-7:00 am

2 stops32h 20m

Sydney Kingsford Smith

Wed 4/30

10:20 am-4:57 pm

1 stop20h 37m

$909

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 2/25

3:02 pm-6:35 am

1 stop23h 33m

Sydney Kingsford Smith

Sat 3/8

11:50 am-6:22 pm

1 stop22h 32m

$939

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 2/6

3:41 pm-1:00 pm

2 stops29h 19m

Sydney Kingsford Smith

Sat 3/29

2:30 pm-5:42 am

2 stops30h 12m

$966

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Wed 6/4

6:40 pm-6:35 am

1 stop21h 55m

Sydney Kingsford Smith

Mon 8/4

9:25 am-7:15 pm

1 stop23h 50m

$1,118

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sun 6/1

9:30 am-7:20 am

3 stops31h 50m

Sydney Kingsford Smith

Tue 6/17

9:20 am-10:21 am

2 stops39h 01m

$1,236

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Thu 3/6

4:49 pm-7:45 pm

2 stops34h 56m

Sydney Kingsford Smith

Thu 3/13

9:40 pm-3:53 pm

2 stops33h 13m

$1,323

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Sat 6/7

7:33 pm-10:35 am

2 stops25h 02m

Sydney Kingsford Smith

Tue 8/5

9:55 am-11:44 pm

2 stops27h 49m

$1,705

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Tue 2/25

5:41 pm-10:10 pm

2 stops36h 29m

$427

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

Fri 3/21

11:45 am-6:35 am

1 stop27h 50m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 13 results
1
2

Compare providers for flights from Detroit to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Sydney in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Detroit-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Detroit-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Detroit to Sydney

Get recent, data-driven insights about flights from Detroit to Sydney including ideal travel times, pricing trends, and more.

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 January 17, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to Sydney, you should look to book at least 78 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 $1,051). Flying from Detroit to Sydney in December is currently the most expensive (average of $1,643). 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 January 21, 2025.

It’s optimal to fly from Detroit to Sydney at noon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to Sydney. Price data was last updated on December 16, 2024.

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

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 January 21, 2025.
See what other customers who have flown with Qantas Airways, American Airlines and Delta from Detroit to Sydney have to say. 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.
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
852 reviews
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Alaska Airlines
8.0
Very good
9,696 reviews
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta
8.0
Very good
8,521 reviews
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Air New Zealand
7.9
Good
485 reviews
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Qantas Airways
7.5
Good
824 reviews
ANA
8.4
Very good
852 reviews

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.6

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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.

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

    According to our current data, Qantas Airways ($887), United Airlines ($912), and American Airlines ($946) offers the cheapest pricing from Detroit to Sydney. Qantas Airways is currently priced 30% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Detroit to Sydney one-way?

    The cheapest airlines for a one-way flight from Detroit to Sydney are Qantas Airways ($446), American Airlines ($454), and Delta ($468).

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

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

  • How can I find direct flights from Detroit to Sydney?

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

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

    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.

  • 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 $1,051). Flying from Detroit to Sydney in December is currently the most expensive (average of $1,643). 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.

See more FAQs

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Detroit to Sydney

Discover the top 7 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$206FlexibilityNo cancel feeOn-time65%
DeltaCheapest$825Average$1,668FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$828Average$949FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$838Average$1,408FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$853Average$1,396FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,232Average$1,518FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,391Average$1,644FlexibilityNo cancel feeOn-time78%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.