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Cheap flights from New York LaGuardia Airport to Sydney from $647

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Sydney departing on 8/31. 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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0 bags

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Find the cheapest flights from New York LaGuardia Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:55 pm - 7:20 am
LGA
-
SYD
45h 25m
2 stops
Air Canada Logo
9:20 am - 2:36 pm
SYD
-
LGA
43h 16m
2 stops
$1,150Air Canada
Thu, Aug 27 - Mon, Sep 7
Air Canada Logo
8:45 am - 7:20 am
LGA
-
SYD
32h 35m
2 stops
Air Canada Logo
9:20 am - 2:37 pm
SYD
-
LGA
43h 17m
2 stops
$1,152Air Canada
Sun, Jun 7 - Tue, Jun 16
Air Canada Logo
10:35 am - 7:20 am
LGA
-
SYD
30h 45m
3 stops
Air Canada Logo
9:20 am - 8:01 am
SYD
-
LGA
36h 41m
2 stops
$1,153Air Canada
Wed, Jun 10 - Sat, Jun 13
Air Canada Logo
7:55 pm - 7:20 am
LGA
-
SYD
45h 25m
2 stops
Air Canada Logo
9:20 am - 2:36 pm
SYD
-
LGA
43h 16m
2 stops
$1,157Air Canada
Sat, Aug 29 - Mon, Sep 7
Air Canada Logo
7:55 pm - 7:20 am
LGA
-
SYD
45h 25m
2 stops
Air Canada Logo
9:20 am - 7:50 am
SYD
-
LGA
36h 30m
2 stops
$1,161Air Canada
Sat, Aug 15 - Tue, Sep 15
Qantas Airways Logo
6:00 pm - 6:55 am
LGA
-
SYD
22h 55m
1 stop
Qantas Airways Logo
12:00 pm - 6:26 pm
SYD
-
LGA
20h 26m
1 stop
$1,162Qantas Airways
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
3:39 pm - 6:55 am
LGA
-
SYD
25h 16m
2 stops
United Airlines Logo
10:20 am - 6:45 pm
SYD
-
LGA
22h 25m
2 stops
$1,164United Airlines
Wed, Aug 12 - Tue, Aug 25
Qantas Airways Logo
6:59 pm - 6:55 am
LGA
-
SYD
21h 56m
1 stop
Qantas Airways Logo
12:00 pm - 7:29 pm
SYD
-
LGA
21h 29m
1 stop
$1,174Qantas Airways
Sun, Aug 16 - Wed, Aug 26
Qantas Airways Logo
6:00 pm - 6:55 am
LGA
-
SYD
22h 55m
1 stop
Qantas Airways Logo
12:00 pm - 6:26 pm
SYD
-
LGA
20h 26m
1 stop
$1,175Qantas Airways
Wed, Aug 12 - Wed, Aug 26
ANA Logo
2:25 pm - 9:25 am
LGA
-
SYD
29h 00m
2 stops
ANA Logo
11:45 am - 2:23 pm
SYD
-
LGA
40h 38m
2 stops
$1,196ANA
Mon, Aug 24 - Tue, Sep 1

American Airlines flights from New York LaGuardia Airport to Sydney

Our best American Airlines deals on New York LaGuardia Airport to Sydney flight tickets
American Airlines
May 30
LGA6:46 pmNew York LaGuardia
22h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 11
SYD12:00 pmSydney Kingsford Smith
21h 29m
1 stop
LGA7:29 pmNew York LaGuardia
$1,236
American Airlines
Jun 25
LGA3:00 pmNew York LaGuardia
25h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 2
SYD12:00 pmSydney Kingsford Smith
24h 30m
1 stop
LGA10:30 pmNew York LaGuardia
$1,243
American Airlines
May 31
LGA5:59 pmNew York LaGuardia
22h 56m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
21h 22m
1 stop
LGA7:22 pmNew York LaGuardia
$1,332

Qantas Airways flights from New York LaGuardia Airport to Sydney

Our best Qantas Airways deals on New York LaGuardia Airport to Sydney flight tickets
Qantas Airways
Jun 2
LGA6:46 pmNew York LaGuardia
22h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
21h 22m
1 stop
LGA7:22 pmNew York LaGuardia
$1,133
Qantas Airways
May 31
LGA6:46 pmNew York LaGuardia
22h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
21h 22m
1 stop
LGA7:22 pmNew York LaGuardia
$1,151
Qantas Airways
May 31
LGA6:46 pmNew York LaGuardia
22h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 14
SYD12:00 pmSydney Kingsford Smith
22h 29m
1 stop
LGA8:29 pmNew York LaGuardia
$1,153

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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, momondo users made 832,500 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Thu 8/27

7:55 pm-7:20 am

2 stops45h 25m

Sydney Kingsford Smith

Mon 9/7

9:20 am-2:36 pm

2 stops43h 16m

$1,150

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 6/7

8:45 am-7:20 am

2 stops32h 35m

Sydney Kingsford Smith

Tue 6/16

9:20 am-2:37 pm

2 stops43h 17m

$1,152

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 6/10

10:35 am-7:20 am

3 stops30h 45m

Sydney Kingsford Smith

Sat 6/13

9:20 am-8:01 am

2 stops36h 41m

$1,153

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sat 8/29

7:55 pm-7:20 am

2 stops45h 25m

Sydney Kingsford Smith

Mon 9/7

9:20 am-2:36 pm

2 stops43h 16m

$1,157

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sat 8/15

7:55 pm-7:20 am

2 stops45h 25m

Sydney Kingsford Smith

Tue 9/15

9:20 am-7:50 am

2 stops36h 30m

$1,161
Quickest round-trip

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 8/11

6:00 pm-6:55 am

1 stop22h 55m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-6:26 pm

1 stop20h 26m

$1,162

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/12

3:39 pm-6:55 am

2 stops25h 16m

Sydney Kingsford Smith

Tue 8/25

10:20 am-6:45 pm

2 stops22h 25m

$1,164

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 8/16

6:59 pm-6:55 am

1 stop21h 56m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-7:29 pm

1 stop21h 29m

$1,174

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/12

6:00 pm-6:55 am

1 stop22h 55m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-6:26 pm

1 stop20h 26m

$1,175

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 8/24

2:25 pm-9:25 am

2 stops29h 00m

Sydney Kingsford Smith

Tue 9/1

11:45 am-2:23 pm

2 stops40h 38m

$1,196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from New York LaGuardia Airport 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

What is the typical price of a round-trip flight between New York LaGuardia Airport and Sydney?

What is the cheapest month to fly to Sydney?

In general, September is the cheapest month to fly from New York LaGuardia Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Sydney during the month of September, then departing from New York LaGuardia Airport during the month April is also very affordable. Most momondo users find prices during this month for around $920.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from New York LaGuardia Airport to Sydney is on a Sunday when prices can be found for as low as $1,284. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,930.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from New York LaGuardia Airport to Sydney in the evening for as low as $1,422. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,881. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on New York LaGuardia Airport to Sydney flights?

You could potentially save up to 56% on your flight if you consider stops on a New York LaGuardia Airport to Sydney flight.

When to book flights from New York LaGuardia Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Sydney (LGA to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Sydney

Fastest flight time

21h 56m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Sydney takes 21h 56m
There are no direct flights from New York LaGuardia Airport to Sydney. There are no popular flight routes from New York LaGuardia Airport to Sydney.
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Frequently asked questions about flying from New York LaGuardia Airport to Sydney

  • How far is New York LaGuardia to Sydney Kingsford Smith by plane?

    The distance between New York LaGuardia and Sydney Kingsford Smith is about 9935.6 mi. By plane, this route typically takes 21h 56m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Sydney Kingsford Smith Airport?

    Prices for flights from New York LaGuardia Airport to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to Sydney Kingsford Smith Airport.

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

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from New York LaGuardia Airport to Sydney?

Best airlines flying from New York LaGuardia Airport to Sydney

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,167Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta
Katoomba
Penrith
Wollongong
Leura
Randwick
Lithgow
Coogee
Manly
Cronulla
Terrigal
Charlestown
Swansea

Why use momondo?

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

It is quick and easy to find New York to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo allows you to filter the results for New York to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from New York to Sydney?

Once all potential New York to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from New York and alert you when they change.

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