$674 Cheap Flights from Sydney (SYD) to Knock (NOC)

View $674 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to Knock (NOC-Ireland West)

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Cheap Flights from Sydney to Knock (SYD-NOC)

Prices were available within the past 7 days and start at $674 for one-way flights and $1,342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,342 Roundtrip, found 5 days ago
$1,342
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,342 found 5 days ago
Qatar Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,345 Roundtrip, found 5 days ago
$1,345
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,345 found 5 days ago
Qatar Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,353 Roundtrip, found 5 days ago
$1,353
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,353 found 5 days ago
Qatar Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,356 Roundtrip, found 5 days ago
$1,356
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,356 found 5 days ago
Qatar Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,358 Roundtrip, found 5 days ago
$1,358
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,358 found 5 days ago
Qatar Airways
Tue, Nov 25 - Tue, Dec 2
SYD
Sydney
NOC
Knock
$1,470 Roundtrip, found 1 day ago
$1,470
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Tue, Nov 25 from Sydney to Knock, returning Tue, Dec 2, priced at $1,470 found 1 day ago
Qatar Airways
Tue, Nov 25 - Tue, Dec 2
SYD
Sydney
NOC
Knock
$1,472 Roundtrip, found 1 day ago
$1,472
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Tue, Nov 25 from Sydney to Knock, returning Tue, Dec 2, priced at $1,472 found 1 day ago
Qatar Airways
Tue, Nov 25 - Tue, Dec 2
SYD
Sydney
NOC
Knock
$1,481 Roundtrip, found 1 day ago
$1,481
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Tue, Nov 25 from Sydney to Knock, returning Tue, Dec 2, priced at $1,481 found 1 day ago
Emirates
Tue, Nov 25 - Tue, Dec 2
SYD
Sydney
NOC
Knock
$1,494 Roundtrip, found 1 day ago
$1,494
Roundtrip
found 1 day ago
Select Emirates flight, departing Tue, Nov 25 from Sydney to Knock, returning Tue, Dec 2, priced at $1,494 found 1 day ago
Etihad Airways
Fri, Nov 21 - Fri, Nov 28
SYD
Sydney
NOC
Knock
$1,558 Roundtrip, found 5 days ago
$1,558
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Fri, Nov 21 from Sydney to Knock, returning Fri, Nov 28, priced at $1,558 found 5 days ago

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC) cost?
Grab a cheap one-way flight from $674 or cheap return flight from $1,342 from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC)?
November is the least expensive month to fly from SYD to NOC. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SYD to NOC flight.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC)?
There are no daily nonstop flights departing from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SYD to NOC?
Friday is usually 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, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC)?
To land at Ireland West Airport (NOC) without delays, choose a flight that leaves Kingsford Smith Intl. Airport (SYD) 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 Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC) last-minute?
Last-minute bookings from SYD to NOC are usually more expensive. To lock in the best prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a SYD to NOC flight and hotel package?
Securing a SYD to NOC flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Ireland West Airport (NOC)?
In most instances, you can reschedule or cancel your SYD to NOC flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Ireland West
Roundtrip price
$1,342
Distance
10746 mi

Book with confidence

Sydney to Knock Flights

The cheapest times to fly from Sydney to Knock

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 Sydney to Knock are during the month of November. You can find some of the cheapest flights from Sydney to Knock with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Knock

Sunday is one of the best days to book for cheap flights from Sydney to Knock: 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 Sydney to Knock

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 Sydney to Knock in 2025. You can also book with separate airlines for your outbound and return journeys, from $674 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 Sydney to Knock 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 Sydney to Knock 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.

 

Sydney to Knock Flights

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*Available to One Key members.