$762 Cheap Flights from Duluth (DLH) to Sydney (SYD)

View $762 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Sydney Airport (SYD)

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Cheap Flights from Duluth to Sydney (DLH-SYD)

Prices were available within the past 7 days and start at $762 for one-way flights and $1,297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 29 - Sun, Jan 18
DLH
Duluth
SYD
Sydney
$1,297 Roundtrip, just found
$1,297
Roundtrip
just found
Select United flight, departing Mon, Dec 29 from Duluth to Sydney, returning Sun, Jan 18, priced at $1,297 just found
Delta
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,297 Roundtrip, found 1 day ago
$1,297
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,297 found 1 day ago
Delta
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,297 Roundtrip, found 1 day ago
$1,297
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,297 found 1 day ago
United
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,306 Roundtrip, found 1 day ago
$1,306
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,306 found 1 day ago
Delta
Sat, Feb 21 - Mon, Mar 9
DLH
Duluth
SYD
Sydney
$1,308 Roundtrip, found 14 hours ago
$1,308
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Feb 21 from Duluth to Sydney, returning Mon, Mar 9, priced at $1,308 found 14 hours ago
Delta
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,308 Roundtrip, found 1 day ago
$1,308
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,308 found 1 day ago
United
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,315 Roundtrip, found 1 day ago
$1,315
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,315 found 1 day ago
United
Tue, Nov 4 - Wed, Nov 19
DLH
Duluth
SYD
Sydney
$1,318 Roundtrip, found 1 day ago
$1,318
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 4 from Duluth to Sydney, returning Wed, Nov 19, priced at $1,318 found 1 day ago
United
Mon, Dec 29 - Thu, Jan 15
DLH
Duluth
SYD
Sydney
$1,347 Roundtrip, just found
$1,347
Roundtrip
just found
Select United flight, departing Mon, Dec 29 from Duluth to Sydney, returning Thu, Jan 15, priced at $1,347 just found
Delta
Thu, Jan 1 - Mon, Mar 2
DLH
Duluth
SYD
Sydney
$1,347 Roundtrip, found 1 day ago
$1,347
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 1 from Duluth to Sydney, returning Mon, Mar 2, priced at $1,347 found 1 day ago

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD) cost?
Grab a cheap one-way flight from $762 or cheap return flight from $1,297 from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between DLH and SYD. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD)?
To find the cheapest airline that'll fly you from DLH to SYD, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD)?
There are no daily nonstop flights available from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from DLH to SYD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD)?
To land at Kingsford Smith Intl. Airport (SYD) on time, opt for a flight that takes off from Duluth Intl. Airport (DLH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book a flight from DLH to SYD often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a DLH to SYD flight and hotel package?
You'll typically save money by securing a DLH to SYD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your DLH to SYD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Duluth Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Delta, United
Roundtrip price
$1,296
Distance
9081 mi

Book with confidence

Duluth to Sydney Flights

The cheapest times to fly from Duluth to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Sydney are during the month of December. You can find some of the cheapest flights from Duluth to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Sydney

Sunday is one of the best days to book for cheap flights from Duluth to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $762 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Duluth to Sydney Flights

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*Available to One Key members.