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Cheap flights from New York LaGuardia Airport to Sydney from $639

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
7:05 pm - 8:20 am
LGA
-
SYD
46h 15m
2 stops
Air Canada Logo
10:20 am - 9:30 pm
SYD
-
LGA
26h 10m
2 stops
$1,149Air Canada
Sat, Oct 10 - Sat, Oct 17
Multiple Airlines Logo
8:45 am - 7:20 am
LGA
-
SYD
32h 35m
1 stop
Multiple Airlines Logo
9:20 am - 10:35 pm
SYD
-
LGA
27h 15m
1 stop
$1,162Multiple Airlines
Wed, Jul 29 - Thu, Aug 6
United Airlines Logo
2:51 pm - 7:00 am
LGA
-
SYD
26h 09m
2 stops
United Airlines Logo
10:20 am - 6:42 pm
SYD
-
LGA
22h 22m
2 stops
$1,164United Airlines
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
3:38 pm - 7:00 am
LGA
-
SYD
25h 22m
2 stops
United Airlines Logo
10:20 am - 7:25 pm
SYD
-
LGA
23h 05m
2 stops
$1,165United Airlines
Wed, Jul 29 - Wed, Aug 12
ANA Logo
2:25 pm - 7:10 pm
LGA
-
SYD
38h 45m
2 stops
ANA Logo
11:45 am - 8:25 pm
SYD
-
LGA
46h 40m
2 stops
$1,190ANA
Thu, Aug 20 - Mon, Sep 7
ANA Logo
2:25 pm - 7:10 pm
LGA
-
SYD
38h 45m
2 stops
ANA Logo
11:45 am - 2:23 pm
SYD
-
LGA
40h 38m
2 stops
$1,191ANA
Thu, Aug 20 - Mon, Sep 7
ANA Logo
9:10 am - 7:10 pm
LGA
-
SYD
44h 00m
2 stops
ANA Logo
11:45 am - 8:25 pm
SYD
-
LGA
46h 40m
2 stops
$1,192ANA
Wed, Aug 26 - Tue, Sep 1
ANA Logo
1:25 pm - 7:10 pm
LGA
-
SYD
39h 45m
2 stops
ANA Logo
11:45 am - 2:23 pm
SYD
-
LGA
40h 38m
2 stops
$1,193ANA
Wed, Aug 26 - Tue, Sep 1
ANA Logo
6:00 am - 9:25 am
LGA
-
SYD
37h 25m
2 stops
ANA Logo
11:45 am - 2:23 pm
SYD
-
LGA
40h 38m
2 stops
$1,196ANA
Sun, Aug 30 - Mon, Sep 7
ANA Logo
9:10 am - 9:25 am
LGA
-
SYD
34h 15m
2 stops
ANA Logo
11:45 am - 8:25 pm
SYD
-
LGA
46h 40m
2 stops
$1,197ANA
Tue, Aug 25 - Tue, Sep 1

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United Airlines flights from New York LaGuardia Airport to Sydney

Our best United Airlines deals on New York LaGuardia Airport to Sydney flight tickets
United Airlines
Jun 14
LGA7:00 amNew York LaGuardia
33h 55m
2 stops
SYD6:55 amSydney Kingsford Smith
Jul 8
SYD10:20 amSydney Kingsford Smith
22h 22m
2 stops
LGA6:42 pmNew York LaGuardia
$1,164
United Airlines
Jul 1
LGA3:38 pmNew York LaGuardia
25h 22m
2 stops
SYD7:00 amSydney Kingsford Smith
Jul 8
SYD10:20 amSydney Kingsford Smith
23h 02m
2 stops
LGA7:22 pmNew York LaGuardia
$1,165
United Airlines
Jul 2
LGA3:20 pmNew York LaGuardia
25h 40m
2 stops
SYD7:00 amSydney Kingsford Smith
Aug 19
SYD10:20 amSydney Kingsford Smith
23h 05m
2 stops
LGA7:25 pmNew York LaGuardia
$1,274

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 15
LGA4:00 pmNew York LaGuardia
24h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 15
SYD12:00 pmSydney Kingsford Smith
24h 30m
1 stop
LGA10:30 pmNew York LaGuardia
$1,172
Qantas Airways
Jun 29
LGA6:46 pmNew York LaGuardia
22h 09m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 12
SYD12:00 pmSydney Kingsford Smith
21h 22m
1 stop
LGA7:22 pmNew York LaGuardia
$1,193
Qantas Airways
Jun 29
LGA5:59 pmNew York LaGuardia
22h 56m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 7
SYD12:00 pmSydney Kingsford Smith
21h 22m
1 stop
LGA7:22 pmNew York LaGuardia
$1,226

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 June 9, 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

Sat 10/10

7:05 pm-8:20 am

2 stops46h 15m

Sydney Kingsford Smith

Sat 10/17

10:20 am-9:30 pm

2 stops26h 10m

$1,149

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 7/29

8:45 am-7:20 am

1 stop32h 35m

Sydney Kingsford Smith

Thu 8/6

9:20 am-10:35 pm

1 stop27h 15m

$1,162

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 6/30

2:51 pm-7:00 am

2 stops26h 09m

Sydney Kingsford Smith

Tue 7/7

10:20 am-6:42 pm

2 stops22h 22m

$1,164
Quickest round-trip

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 7/29

3:38 pm-7:00 am

2 stops25h 22m

Sydney Kingsford Smith

Wed 8/12

10:20 am-7:25 pm

2 stops23h 05m

$1,165

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Thu 8/20

2:25 pm-7:10 pm

2 stops38h 45m

Sydney Kingsford Smith

Mon 9/7

11:45 am-8:25 pm

2 stops46h 40m

$1,190

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Thu 8/20

2:25 pm-7:10 pm

2 stops38h 45m

Sydney Kingsford Smith

Mon 9/7

11:45 am-2:23 pm

2 stops40h 38m

$1,191

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/26

9:10 am-7:10 pm

2 stops44h 00m

Sydney Kingsford Smith

Tue 9/1

11:45 am-8:25 pm

2 stops46h 40m

$1,192

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/26

1:25 pm-7:10 pm

2 stops39h 45m

Sydney Kingsford Smith

Tue 9/1

11:45 am-2:23 pm

2 stops40h 38m

$1,193

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 8/30

6:00 am-9:25 am

2 stops37h 25m

Sydney Kingsford Smith

Mon 9/7

11:45 am-2:23 pm

2 stops40h 38m

$1,196

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 8/25

9:10 am-9:25 am

2 stops34h 15m

Sydney Kingsford Smith

Tue 9/1

11:45 am-8:25 pm

2 stops46h 40m

$1,197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Saturday when prices can be found for as low as $1,223. The most expensive day to fly to Sydney is Wednesday, with ticket prices averaging around $1,631.

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 $1,348. 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 $1,672. 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

23h 15m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Sydney takes 23h 15m
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 23h 15m.

  • 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
9,796 reviews
Search United Airlines flights

Traveling to a place near Sydney?

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