DTT - YQY

C$ 727 Find Cheap Flights from Detroit to Sydney – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,292
Typical prices: C$ 910-C$ 1,627
Air Canada
Sat 29/9Tue 2/10
DTW - YQY • 1 stop
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg C$ 1,620 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 11h 18m (one-way)
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Cheap Flights from Detroit to Sydney (DTT-YQY)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to Sydney

Tue, 29 Sep - Fri, 2 Oct
Air Canada Logo
6:50 p.m. - 12:45 a.m.DTW  Detroit Metropolitan Wayne County-YQY Sydney
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:20 p.m. - 9:29 p.m.YQY  Sydney-DTW Detroit Metropolitan Wayne County
5h 09m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 1,292Air Canada
Tue, 29 Sep - Fri, 2 Oct
Air Canada Logo
6:50 p.m. - 12:45 a.m.DTW  Detroit Metropolitan Wayne County-YQY Sydney
4h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:20 p.m. - 6:36 p.m.YQY  Sydney-DTW Detroit Metropolitan Wayne County
26h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 1,379Air Canada
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Price, demand, and travel trends for Detroit to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Detroit to Sydney with more confidence.

How much is a round-trip flight from Detroit to Sydney?

Round-trip flights from Detroit to Sydney start at C$ 1,292. Prices are typical for this route right now, with typical round-trip fares ranging from C$ 910 to C$ 1,627. The lowest price found in the past 5 days was C$ 1,292 on Air Canada.

What is the cheapest Detroit to Sydney flight route?

There's little price difference between Detroit to Sydney routes. They average around C$ 1,591 round-trip, based on KAYAK data over the past 12 months.

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Key details for Detroit to Sydney flights

Cheapest flight

C$ 735
Flights from Detroit Metropolitan Wayne County Airport to Sydney

When to book flights from Detroit to Sydney

Are your dates flexible? Find out the best times to travel from Detroit to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Detroit to Sydney flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Detroit to Sydney?

    Flights from Detroit to Sydney usually depart from Detroit Metropolitan Wayne County (DTW) and arrive at Sydney (YQY).

  • Which airports do connecting flights from Detroit to Sydney pass through?

    Connecting flights from Detroit to Sydney most commonly pass through:

    • Montreal Pierre Elliott Trudeau Intl (YUL) – 75% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 25% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Detroit to Sydney?

    Yes. Being flexible with your travel dates can save you up to 45% on the Detroit to Sydney route. Monday is the cheapest departure day at C$ 910 round-trip on average, while Tuesday is the most expensive at C$ 1,627, a difference of C$ 717. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long does a flight from Detroit to Sydney take?

    There are currently no direct flights available from Detroit to Sydney. Flights with 1 layover take between 5h 26m and 11h 18m in total, depending on the connection.

  • Do I need a passport to fly from Detroit to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Detroit to Sydney changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about C$ 1,292 to C$ 1,724. That means the highest observed fare was about 33% higher than the lowest one.

  • How much time can I save by choosing a different layover airport when travelling from Detroit to Sydney?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 5h 26m, compared with 11h 18m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Detroit and Sydney?

    Sydney is 1 hour ahead of Detroit (Atlantic Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Detroit to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Tuesday. On this route, Monday flights average C$ 910 – about C$ 717 less than Tuesday (44% savings) based on the last 12 months.

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