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Cheap flights from Alaska to Sydney from $779

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SYD
25 Mar — 1 Apr1
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 23 February 2026.

Mon 6/423:50
ANC
-
SYD
2 stops39h 55m
Multiple Airlines
Thu 16/422:00
SYD
-
ANC
2 stops44h 27m
Multiple Airlines
Deal found 22/2$1,680
Tue 7/714:05
ANC
-
SYD
1 stop22h 50m
United Airlines
Mon 20/710:20
SYD
-
ANC
1 stop30h 26m
United Airlines
Deal found 19/2$1,690
Mon 6/702:25
ANC
-
SYD
3 stops36h 20m
Multiple Airlines
Mon 20/711:55
SYD
-
ANC
2 stops30h 27m
Multiple Airlines
Deal found 21/2$1,710
Thu 2/705:15
ANC
-
SYD
2 stops31h 45m
United Airlines
Mon 10/810:20
SYD
-
ANC
1 stop30h 26m
United Airlines
Deal found 22/2$1,723
Mon 6/420:13
ANC
-
SYD
2 stops40h 12m
American Airlines
Mon 13/412:00
SYD
-
ANC
1 stop24h 50m
American Airlines
Deal found 19/2$1,737
Fri 17/423:47
ANC
-
SYD
2 stops61h 08m
United Airlines
Thu 30/410:20
SYD
-
ANC
2 stops30h 25m
United Airlines
Deal found 21/2$1,739
Sun 1/305:45
ANC
-
SYD
2 stops30h 45m
Delta
Sat 7/310:40
SYD
-
ANC
2 stops32h 06m
Delta
Deal found 23/2$1,759

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 23 February 2026.

Round-trip from

$1,680

One-way from

$779

Popular in

September

Cheapest in

March

Average price

$1,803
6/4-16/4
  • 6/4-16/4
  • 4 total stops
  • 84h 22m total
  • Alaska to Sydney
Search Deals
13/4
  • 13/4
  • 3 total stops
  • 53h 40m total
  • Alaska to Sydney
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($682 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($232 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 23 February 2026.
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 7/7

14:05-06:55

1 stop22h 50m

Sydney Kingsford Smith

Mon 20/7

10:20-22:46

1 stop30h 26m

$1,690

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Tue 7/7

06:00-06:50

2 stops30h 50m

Sydney Kingsford Smith

Mon 20/7

09:15-22:22

2 stops31h 07m

$1,696

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Tue 7/7

08:00-08:45

3 stops30h 45m

Sydney Kingsford Smith

Mon 20/7

11:55-00:22

2 stops30h 27m

$1,710

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 17/4

23:47-06:55

2 stops61h 08m

Sydney Kingsford Smith

Thu 30/4

10:20-22:45

2 stops30h 25m

$1,739

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Thu 2/4

01:34-07:50

2 stops35h 16m

Sydney Kingsford Smith

Sun 26/4

09:15-00:25

2 stops33h 10m

$1,759

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 4/5

23:45-07:05

1 stop37h 20m

Sydney Kingsford Smith

Fri 8/5

06:25-00:35

2 stops36h 10m

$1,817

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 4/5

23:49-06:55

2 stops37h 06m

Sydney Kingsford Smith

Fri 8/5

09:30-22:45

2 stops31h 15m

$1,845

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 13/4

12:10-11:50

3 stops53h 40m

$779

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Mon 18/5

06:00-12:05

3 stops36h 05m

$780

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sun 2/8

13:46-06:55

1 stop23h 09m

$980

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 14 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, March is the cheapest month in which you can book a flight from Alaska to Sydney (average of $734). Flying from Alaska to Sydney in September is currently the most expensive (average of $1,985). 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.

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 can get you from Alaska to Sydney in just under 22h 50m. Your travel time can differ by up to . There are 11821 km between Alaska and Sydney.

  • 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, March is the cheapest month in which you can book a flight from Alaska to Sydney (average of $734). Flying from Alaska to Sydney in September is currently the most expensive (average of $1,985). 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
Penrith
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Coogee
Cronulla
Randwick

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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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