What airlines fly to Sydney?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Sydney from Chicago according to our data. Qantas Airways is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Chicago and Sydney?

Los Angeles (LAX) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Chicago to Sydney Kingsford Smith?

Etihad Airways and ANA are the most popular carriers operating from Chicago to Sydney Kingsford Smith

Which layover airport offers the lowest fares from Chicago to Sydney?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,160.

Which layover airport has the shortest connection time from Chicago to Sydney?

Dallas (DFW) has the shortest average layover time for this route: 1h 39m.

Which layover airport has the shortest travel time from Chicago to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 55m.

When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?

Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?

As of August 2026, there are 9 operators available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$567 Cheap Flights from Chicago to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Sydney

Round-trip

One-way

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2:10 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

2:05 pm - 8:22 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 17m2 stops Auckland Intl Los Angeles

$1,224Air New Zealand

Wed, Feb 10 - Wed, Feb 17

2:10 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

11:50 am - 7:14 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 24m2 stops Auckland Intl Houston George Bush Intcntl

$1,224Air New Zealand

Tue, Jan 26 - Tue, Feb 9

6:30 am - 7:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 00m2 stops Denver Intl Los Angeles

11:10 am - 12:24 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 14m2 stops Los Angeles Denver Intl

$1,240Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

6:30 am - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Denver Intl Los Angeles

9:10 am - 5:38 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 28m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,243Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 2:43 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 23m1 stop Vancouver Intl

$1,248Air Canada

Sun, Aug 30 - Tue, Sep 15

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 2:43 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 23m1 stop Vancouver Intl

$1,251Air Canada

Wed, Sep 23 - Wed, Sep 30

4:25 pm - 8:15 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 50m1 stop Tokyo Haneda

12:25 pm - 5:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 55m2 stops Tokyo Haneda Los Angeles

$1,273ANA

Mon, Nov 9 - Mon, Nov 16

4:25 pm - 10:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Tokyo Haneda

9:45 pm - 7:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 35m1 stop Tokyo Haneda

$1,275ANA

Sun, Nov 15 - Thu, Nov 26

6:50 pm - 10:25 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Doha Hamad Intl Brisbane

10:10 pm - 2:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 20m1 stop Doha Hamad Intl

$1,376Qatar Airways

Tue, Jan 26 - Tue, Feb 9

6:50 pm - 10:25 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Doha Hamad Intl Brisbane

3:50 pm - 2:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

39h 40m1 stop Doha Hamad Intl

$1,376Qatar Airways

Tue, Jan 26 - Tue, Feb 9

Cheap last minute flights

Enter your travel dates to find the best prices.

4:45 pm - 8:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 00m2 stops Los Angeles Auckland Intl

7:20 pm - 9:35 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

41h 15m2 stops Auckland Intl Los Angeles

$1,339Air New Zealand

Mon, Aug 24 - Mon, Sep 7

3:00 pm - 8:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 45m2 stops Los Angeles Auckland Intl

7:20 pm - 9:45 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

41h 25m2 stops Auckland Intl San Francisco

$1,339Air New Zealand

Mon, Aug 24 - Mon, Sep 7

7:05 am - 7:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

5:50 pm - 6:17 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 27m1 stop Los Angeles

$1,375Multiple Airlines

Sun, Aug 23 - Mon, Aug 31

6:05 am - 7:30 amMDW Chicago Midway-SYD Sydney Kingsford Smith

34h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

5:50 pm - 10:55 amSYD Sydney Kingsford Smith-MDW Chicago Midway

32h 05m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,376Multiple Airlines

Sun, Aug 23 - Mon, Aug 31

5:45 pm - 9:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Tokyo Haneda

8:55 pm - 8:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 45m1 stop Tokyo Haneda

$1,556ANA

Sat, Aug 22 - Fri, Sep 4

8:50 am - 7:10 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 20m2 stops Los Angeles Tokyo Haneda

8:55 pm - 8:40 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 45m1 stop Tokyo Haneda

$1,560ANA

Sat, Aug 22 - Fri, Sep 4

3:22 pm - 7:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 08m1 stop Los Angeles

9:10 am - 3:54 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 44m1 stop Los Angeles

$1,608American Airlines

Mon, Aug 24 - Mon, Sep 7

3:22 pm - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 43m1 stop Los Angeles

9:25 pm - 5:13 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 48m1 stop San Francisco

$1,608American Airlines

Fri, Aug 21 - Sun, Aug 23

2:36 pm - 6:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 14m1 stop Los Angeles

9:15 am - 11:48 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 33m1 stop Los Angeles

$1,612Delta

Sun, Aug 23 - Sun, Sep 6

3:25 pm - 6:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:15 am - 8:55 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 40m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,616Delta

Sun, Aug 23 - Sun, Sep 6

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Air New Zealand flights from Chicago to Sydney

Our best Air New Zealand deals on Chicago to Sydney flight tickets

Air New Zealand

Nov 9

ORD2:40 pmChicago O'Hare Intl

26h 55m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 16

SYD2:05 pmSydney Kingsford Smith

23h 32m

2 stops

ORD8:37 pmChicago O'Hare Intl

$1,225

Air New Zealand

Oct 21

ORD2:00 pmChicago O'Hare Intl

26h 45m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 9

SYD2:05 pmSydney Kingsford Smith

25h 54m

2 stops

ORD10:59 pmChicago O'Hare Intl

$1,235

Air New Zealand

Nov 1

ORD2:00 pmChicago O'Hare Intl

27h 35m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 15

SYD7:25 pmSydney Kingsford Smith

42h 12m

2 stops

ORD8:37 pmChicago O'Hare Intl

$1,244

ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

ANA

Nov 15

ORD4:25 pmChicago O'Hare Intl

25h 05m

1 stop

SYD10:30 amSydney Kingsford Smith

Nov 26

SYD9:45 pmSydney Kingsford Smith

26h 35m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,275

ANA

Nov 7

ORD7:00 amChicago O'Hare Intl

44h 15m

2 stops

SYD8:15 pmSydney Kingsford Smith

Nov 13

SYD12:25 pmSydney Kingsford Smith

33h 55m

2 stops

ORD5:20 amChicago O'Hare Intl

$1,277

ANA

Nov 1

ORD4:25 pmChicago O'Hare Intl

34h 50m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 15

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,278

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 2/10

2:10 pm-8:35 am

2 stops25h 25m

Sydney Kingsford Smith

Wed 2/17

2:05 pm-8:22 pm

2 stops23h 17m

$1,224

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 1/26

2:10 pm-8:35 am

2 stops25h 25m

Sydney Kingsford Smith

Tue 2/9

11:50 am-7:14 pm

2 stops24h 24m

$1,224

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 10/19

6:30 am-7:30 am

2 stops33h 00m

Sydney Kingsford Smith

Mon 10/26

11:10 am-12:24 am

2 stops29h 14m

$1,240

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 9/23

6:30 am-7:05 am

2 stops33h 35m

Sydney Kingsford Smith

Wed 9/30

9:10 am-5:38 am

2 stops35h 28m

$1,243

Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 8/30

3:40 pm-7:20 am

1 stop24h 40m

Sydney Kingsford Smith

Tue 9/15

9:20 am-2:43 pm

1 stop20h 23m

$1,248

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 9/23

3:40 pm-7:20 am

1 stop24h 40m

Sydney Kingsford Smith

Wed 9/30

9:20 am-2:43 pm

1 stop20h 23m

$1,251

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 11/9

4:25 pm-8:15 pm

1 stop34h 50m

Sydney Kingsford Smith

Mon 11/16

12:25 pm-5:20 am

2 stops33h 55m

$1,273

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 11/15

4:25 pm-10:30 am

1 stop25h 05m

Sydney Kingsford Smith

Thu 11/26

9:45 pm-7:20 am

1 stop26h 35m

$1,275

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 1/26

6:50 pm-10:25 pm

2 stops34h 35m

Sydney Kingsford Smith

Tue 2/9

10:10 pm-2:30 pm

1 stop33h 20m

$1,376

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 1/26

6:50 pm-10:25 pm

2 stops34h 35m

Sydney Kingsford Smith

Tue 2/9

3:50 pm-2:30 pm

1 stop39h 40m

$1,376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Chicago and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,259 to $1,706.
The lowest price recently found on this route was $1,224.

What is the cheapest month to fly to Sydney?

In general, June is the cheapest month to fly from Chicago to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,284. If you are unable to visit Sydney during the month of June, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $1,318.

How far in advance should I book a flight from Chicago to Sydney?

You are more likely to see cheaper flights to Sydney from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Chicago for as low as $1,099 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Chicago to Sydney flight.

How have Chicago to Sydney flight prices changed over time?

As of August 2026, prices for Chicago to Sydney flights are approximately 129% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney

Best Price Found	$567
Fastest flight time	20h 51m
Direct flights	None

The best one-way flight to Sydney from Chicago in the past 72 hours is $567. The best round-trip flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,224.

The fastest flight from Chicago to Sydney takes 20h 51m

There are no direct flights from Chicago to Sydney. There are no popular flight routes from Chicago to Sydney.

Search flight deals

Frequently asked questions about flying from Chicago to Sydney

How far is Chicago to Sydney Kingsford Smith by plane?
There are 9237.5 mi between Chicago and Sydney Kingsford Smith. By plane, this route typically takes 20h 51m.
When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?
Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?
As of August 2026, there are 9 operators available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago to Sydney?
Based on momondo bookings for flights between Chicago and Sydney, the leading airline is Qantas Airways, making up 41% of the total bookings. Other popular airlines include United Airlines with 18%, Air Canada with 14%, and American Airlines with 11%.

Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $261	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 254 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,083 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $839	Free Cancellation	Rating 7.1 11,961 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,009	Free Cancellation	Rating 7.1 11,501 reviews	Search Air Canada flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,298 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,294	Free Cancellation	Rating 8.0 662 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,391	Free Cancellation	Rating 7.4 3,739 reviews	Search Qatar Airways flights

Parramatta

Bondi Beach

Penrith

Wollongong

Katoomba

Cronulla

Leura

Randwick

Manly

Terrigal

Coogee

Lithgow

Charlestown

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Sydney for you.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Chicago with this policy.

How can momondo help me find flights from Chicago to Sydney?

Once you have performed a search for Chicago to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Sydney from $567

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air New Zealand flights from Chicago to Sydney

Our best Air New Zealand deals on Chicago to Sydney flight tickets

ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

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Use the filters below to find and compare flights from Chicago to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Chicago to Sydney

What is the typical price of a round-trip flight between Chicago and Sydney?

What is the cheapest month to fly to Sydney?

How far in advance should I book a flight from Chicago to Sydney?

Can stopping save me money on Chicago to Sydney flights?

How have Chicago to Sydney flight prices changed over time?

What is the cheapest airline that flies from Chicago to Sydney Kingsford Smith?

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Chicago and Sydney?

Which layover airport offers the lowest fares from Chicago to Sydney?

Which layover airport has the shortest travel time from Chicago to Sydney?

Which layover airport has the shortest connection time from Chicago to Sydney?

When to book flights from Chicago to Sydney

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Sydney

Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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