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Cheap flights from Alaska to Sydney from $947

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Alaska to Sydney

Keep the following information in mind while searching for Alaska to Sydney flight deals. Data was last updated 18 September 2025.

Round-trip from

$1,740

One-way from

$947

Popular in

September

Cheapest in

March

Average price

$3,729
Delta
  • Delta
  • 11/11-20/11
  • 4 total stops
  • 71h 18m total
  • Alaska to Sydney
Search Deals
Delta
  • Delta
  • 1/11
  • 2 total stops
  • 30h 30m total
  • Alaska to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($347 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($191 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Alaska to Sydney

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 18 September 2025.

Tue 23/900:55ANC - SYD
2 stops35h 40mDelta
Sun 28/909:25SYD - ANC
2 stops42h 55mDelta
Deal found 16/9$1,703
Wed 24/914:11ANC - SYD
1 stop22h 44mUnited Airlines
Sun 28/909:30SYD - ANC
2 stops55h 12mUnited Airlines
Deal found 17/9$1,740
Sun 12/1000:30ANC - SYD
2 stops36h 05mDelta
Mon 20/1010:25SYD - ANC
2 stops34h 34mDelta
Deal found 16/9$1,778
Thu 30/1000:12ANC - SYD
1 stop37h 48mMultiple Airlines
Fri 7/1117:45SYD - ANC
1 stop26h 45mMultiple Airlines
Deal found 16/9$1,832
Wed 12/1108:00ANC - SYD
3 stops28h 45mMultiple Airlines
Thu 20/1113:55SYD - ANC
2 stops30h 35mMultiple Airlines
Deal found 16/9$1,968
Wed 12/1118:50ANC - SYD
1 stop28h 55mHawaiian Airlines
Thu 20/1121:40SYD - ANC
2 stops23h 09mHawaiian Airlines
Deal found 16/9$2,000
Fri 31/1018:50ANC - SYD
1 stop29h 55mHawaiian Airlines
Fri 7/1121:40SYD - ANC
2 stops33h 30mHawaiian Airlines
Deal found 16/9$2,019
Fri 31/1000:30ANC - SYD
2 stops36h 00mDelta
Sat 8/1110:40SYD - ANC
2 stops32h 03mDelta
Deal found 17/9$2,025

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 18 September 2025.
Use the filters below to find and compare flights from Alaska to Sydney that are best for you.

Fly from

Alaska

Fly to

Sydney

Route

Depart

Return

Price

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Tue 11/11

00:30-08:30

2 stops36h 00m

Sydney Kingsford Smith

Thu 20/11

10:40-01:58

2 stops35h 18m

$1,740

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 13/2

09:00-09:15

2 stops28h 15m

Sydney Kingsford Smith

Thu 5/3

12:10-19:45

2 stops27h 35m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 9/2

01:20-06:50

2 stops33h 30m

Sydney Kingsford Smith

Tue 3/3

14:15-22:15

2 stops28h 00m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sat 14/2

09:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Tue 3/3

11:20-19:57

2 stops28h 37m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 13/2

09:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Sun 1/3

11:20-19:57

2 stops28h 37m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Wed 11/2

01:20-08:30

2 stops35h 10m

Sydney Kingsford Smith

Tue 3/3

10:40-22:15

2 stops31h 35m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sat 14/2

09:00-09:15

2 stops28h 15m

Sydney Kingsford Smith

Wed 4/3

12:10-19:57

2 stops27h 47m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Wed 11/2

09:00-09:05

2 stops28h 05m

Sydney Kingsford Smith

Sun 1/3

11:20-19:57

2 stops28h 37m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Thu 12/2

23:55-09:05

2 stops37h 10m

Sydney Kingsford Smith

Mon 2/3

11:20-22:59

2 stops31h 39m

$1,778

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Wed 11/2

09:00-09:15

2 stops28h 15m

Sydney Kingsford Smith

Wed 4/3

12:10-22:59

2 stops30h 49m

$1,778

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 18 results
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

What is the cheapest month to book a flight from Alaska to Sydney?

Currently, May is the cheapest month in which you can book a flight from Alaska to Sydney (average of $129). Flying from Alaska to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

    Delta and United Airlines can get you from Alaska to Sydney in just under 28h 15m. Your travel time can differ by up to 7h 45m. 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.

  • What is the cheapest month to book a flight from Alaska to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Alaska to Sydney (average of $129). Flying from Alaska to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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