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Cheap flights from Alaska to Sydney from $810

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SYD
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Alaska to Sydney
Explore the most affordable flight options available from Alaska to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Mon 8/614:40
ANC
-
SYD
1 stop22h 40m
Air Canada
Thu 9/709:20
SYD
-
ANC
1 stop22h 18m
Air Canada
Deal found 14/4$1,481
Mon 8/614:40
ANC
-
SYD
1 stop22h 40m
Multiple Airlines
Thu 9/706:00
SYD
-
ANC
2 stops25h 38m
Multiple Airlines
Deal found 14/4$1,509
Tue 9/613:15
ANC
-
SYD
1 stop23h 50m
Multiple Airlines
Wed 8/717:50
SYD
-
ANC
1 stop24h 05m
Multiple Airlines
Deal found 16/4$1,524
Tue 9/614:40
ANC
-
SYD
1 stop22h 40m
Air Canada
Wed 8/713:00
SYD
-
ANC
2 stops42h 38m
Air Canada
Deal found 14/4$1,525
Sat 16/523:13
ANC
-
SYD
1 stop37h 52m
Multiple Airlines
Sun 24/517:50
SYD
-
ANC
1 stop24h 45m
Multiple Airlines
Deal found 15/4$1,550
Sun 3/523:45
ANC
-
SYD
1 stop37h 45m
Multiple Airlines
Sun 10/517:50
SYD
-
ANC
1 stop24h 45m
Multiple Airlines
Deal found 15/4$1,552
Tue 9/614:05
ANC
-
SYD
1 stop22h 50m
United Airlines
Wed 8/710:20
SYD
-
ANC
1 stop30h 26m
United Airlines
Deal found 15/4$1,555
Sat 16/523:59
ANC
-
SYD
2 stops37h 01m
United Airlines
Sun 24/510:20
SYD
-
ANC
1 stop30h 26m
United Airlines
Deal found 15/4$1,560
Sat 30/501:55
ANC
-
SYD
2 stops34h 55m
Delta
Sun 7/609:15
SYD
-
ANC
2 stops28h 52m
Delta
Deal found 16/4$1,561

Find flight deals from Alaska to Sydney

Keep the following information in mind while searching for Alaska to Sydney flight deals. Data was last updated 17 April 2026.

Round-trip from

$1,481

One-way from

$810

Popular in

December

Cheapest in

March

Average price

$1,831
Air Canada
  • Air Canada
  • 8/6-9/7
  • 2 total stops
  • 44h 58m total
  • Alaska to Sydney
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 50h 20m total
  • Alaska to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($401 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($77 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Alaska 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, Cheapflights users made 647,157 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from Alaska to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sat 16/5

23:59-07:00

2 stops37h 01m

Sydney Kingsford Smith

Sun 24/5

09:30-22:46

2 stops31h 16m

$1,560

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 8/6

01:35-06:50

2 stops35h 15m

Sydney Kingsford Smith

Wed 8/7

09:15-01:55

2 stops34h 40m

$1,560

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 6/7

00:25-06:50

2 stops36h 25m

Sydney Kingsford Smith

Mon 20/7

09:15-01:55

2 stops34h 40m

$1,561
Fastest return journey

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Tue 2/6

14:05-06:55

1 stop22h 50m

Sydney Kingsford Smith

Thu 18/6

10:20-22:46

1 stop30h 26m

$1,626

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 5/6

16:10-18:50

2 stops32h 40m

Sydney Kingsford Smith

Tue 9/6

20:45-10:02

2 stops31h 17m

$1,694

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sat 30/5

19:24-18:50

2 stops53h 26m

Sydney Kingsford Smith

Sat 6/6

20:45-09:51

2 stops31h 06m

$1,726

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sun 3/5

06:00-06:50

2 stops30h 50m

Sydney Kingsford Smith

Sun 10/5

09:15-16:23

2 stops25h 08m

$1,845

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Tue 7/7

23:33-07:05

1 stop37h 32m

Sydney Kingsford Smith

Mon 20/7

09:10-23:55

1 stop32h 45m

$1,863

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sun 26/7

23:09-06:55

2 stops37h 46m

Sydney Kingsford Smith

Fri 7/8

10:20-20:49

1 stop28h 29m

$1,906
Cheapest one-way

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sun 23/8

23:15-19:35

3 stops50h 20m

$810

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Alaska to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Alaska with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Alaska to Sydney

How much does it cost for a return flight from Alaska to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Alaska to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Alaska?

    For a flight from Alaska to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

  • How long is the flight from Alaska to Sydney?

    United Airlines and Delta can get you from Alaska to Sydney in just under 36h 25m. Your travel time can differ by up to 36m. There are 11821 km between Alaska and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Alaska to Sydney that include hotel bookings?

    Yes. In addition to deals on Alaska to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Alaska to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Sydney.

  • Can I find deals for business class flights from Alaska to Sydney?

    Yes. Cheapflights offers flight deals from Alaska to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Sydney?

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

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How does Cheapflights help users find flights from Alaska to Sydney?

Deals for Alaska to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Alaska to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Sydney.

Can Cheapflights find flights from Alaska to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Alaska? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Alaska to Sydney become cheaper?

Yes! Start tracking prices for Alaska to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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