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$500+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SYD
abr. 27 — may. 41
dom. 4/27
dom. 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to Sydney Kingsford Smith are usually found in March or February, booked 22 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 abril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,070
(Mytrip)

One-way from

$500
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$949
Provider with most accurate pricing for Detroit (DTT)-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Sydney Kingsford Smith flights.
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From Detroit (DTT) to Sydney Kingsford Smith
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One-way flight from Detroit (DTT) to Sydney Kingsford Smith
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Highest demand for flights based on searches. 14% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 22, 2025.

This Mytrip deal was found by Cheapflights users on 4/21. 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.
mar. 5/2010:18 amDTW - SYD
3 stops35h 27mMultiple Airlines
mar. 5/271:15 pmSYD - DTW
3 stops32h 20mMultiple Airlines
Deal found 4/21$1,070
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/18:02 pmDTW - SYD
1 stop20h 53mQantas Airways
lun. 9/1512:10 pmSYD - DTW
1 stop19h 55mQantas Airways
Deal found 4/21$1,104
This American Airlines deal was found by Cheapflights users on 4/21. 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.
lun. 9/15:10 pmDTW - SYD
2 stops24h 20mAmerican Airlines
lun. 9/1512:10 pmSYD - DTW
2 stops23h 35mAmerican Airlines
Deal found 4/21$1,148
This United Airlines deal was found by Cheapflights users on 4/20. 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.
lun. 10/135:32 pmDTW - SYD
1 stop23h 23mUnited Airlines
mar. 10/2812:10 pmSYD - DTW
1 stop21h 33mUnited Airlines
Deal found 4/20$1,151
This Delta deal was found by Cheapflights users on 4/20. 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.
mié. 10/155:50 pmDTW - SYD
1 stop22h 45mDelta
mié. 10/2910:05 amSYD - DTW
1 stop22h 03mDelta
Deal found 4/20$1,187
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/255:32 pmDTW - SYD
2 stops25h 13mAir New Zealand
mié. 9/38:45 amSYD - DTW
2 stops28h 59mAir New Zealand
Deal found 4/21$1,261
This Air Canada deal was found by Cheapflights users on 4/21. 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.
sáb. 10/259:55 amDTW - SYD
2 stops55h 40mAir Canada
vie. 10/3110:20 amSYD - DTW
2 stops43h 47mAir Canada
Deal found 4/21$1,483
This KAYAK deal was found by Cheapflights users on 4/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/126:00 amDTW - SYD
2 stops47h 15mANA
lun. 10/2712:25 pmSYD - DTW
2 stops45h 26mANA
Deal found 4/20$1,486
This Turkish Airlines deal was found by Cheapflights users on 4/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:00 pmDTW - SYD
2 stops32h 00mTurkish Airlines
jue. 10/309:40 pmSYD - DTW
2 stops36h 35mTurkish Airlines
Deal found 4/20$1,493
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
jue. 10/164:40 pmDTW - SYD
2 stops60h 05mAlaska Airlines
sáb. 10/259:40 pmSYD - DTW
2 stops32h 42mAlaska Airlines
Deal found 4/20$1,594
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/17:30 amDTW - SYD
2 stops43h 40mQatar Airways
mar. 7/18:45 pmSYD - DTW
2 stops39h 32mQatar Airways
Deal found 4/21$1,697

Cheapflights Fare Finder

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 abril 22, 2025.
Use the filters below to find and compare flights from Detroit to Sydney that are best for you.

Fly from

Detroit

Fly to

Sydney

Route

Depart

Return

Price

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mar. 5/20

10:18 am-11:45 am

3 stops35h 27m

Sydney Kingsford Smith

mar. 5/27

1:15 pm-7:35 am

3 stops32h 20m

$1,070

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

lun. 6/30

5:08 pm-7:30 am

2 stops24h 22m

Sydney Kingsford Smith

lun. 8/4

5:45 pm-10:42 am

2 stops30h 57m

$1,190

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

lun. 6/30

6:15 pm-7:00 am

2 stops22h 45m

Sydney Kingsford Smith

lun. 8/4

10:20 am-6:46 pm

1 stop22h 26m

$1,224

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

jue. 7/3

6:25 pm-6:35 am

1 stop22h 10m

Sydney Kingsford Smith

sáb. 7/19

9:25 am-10:16 pm

1 stop26h 51m

$1,242

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mié. 5/21

5:33 pm-8:45 am

2 stops25h 12m

Sydney Kingsford Smith

mié. 5/28

10:20 am-6:46 pm

1 stop22h 26m

$1,548

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mar. 5/6

7:00 am-7:45 pm

2 stops46h 45m

Sydney Kingsford Smith

sáb. 5/17

9:40 pm-3:53 pm

2 stops32h 13m

$1,595

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

jue. 5/1

7:30 am-5:10 pm

2 stops43h 40m

Sydney Kingsford Smith

mar. 7/1

8:45 pm-10:17 pm

2 stops39h 32m

$1,697

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mar. 5/6

3:31 pm-6:55 am

1 stop25h 24m

Sydney Kingsford Smith

jue. 5/15

7:30 pm-10:08 pm

2 stops40h 38m

$1,756

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

mar. 6/3

9:30 am-7:20 am

3 stops31h 50m

Sydney Kingsford Smith

mar. 6/10

9:20 am-8:15 pm

2 stops24h 55m

$2,083

DetroitSydney

DTW - SYD

DTWSYD

Detroit Metropolitan Wayne County

jue. 7/17

4:20 pm-9:25 am

2 stops27h 05m

Sydney Kingsford Smith

lun. 7/28

8:55 pm-7:04 pm

2 stops36h 09m

$2,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 18 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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.

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 round-trip flight from Detroit to Sydney. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to Sydney, you should look to book at least 22 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 $1,046). 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 abril 22, 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 abril 22, 2025.
See what other customers who have flown with Korean Air, ANA and Alaska Airlines 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.
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,062 reviews
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
847 reviews
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
9,911 reviews
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,920 reviews
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air New Zealand
8.0
Very good
469 reviews
Korean Air
8.4
Very good
1,062 reviews

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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, American Airlines ($1,190), United Airlines ($1,224), and Delta ($1,242) offers the cheapest pricing from Detroit to Sydney.

  • 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 Air Canada ($932), Delta ($1,077), and United Airlines ($1,172).

  • 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 $1,046). 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

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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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$206FlexibilityNo cancel feeOn-time65%
Qantas AirwaysCheapest$802Average$1,177FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$835Average$911FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$842Average$1,154FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$864Average$1,647FlexibilityNo cancel feeOn-time78%
DeltaCheapest$866Average$1,603FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$1,222Average$1,529FlexibilityNo cancel feeOn-time67%

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