HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$883+ Cheap flights from Alaska to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — SYD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Alaska to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2025.

Round-trip from

$883
(Air Canada)

Popular in

September

Cheapest in

August

Average price

$1,693
From Alaska to Sydney Kingsford Smith
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 2025.

This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/144:45 pmANC - SYD
1 stop20h 35mAir Canada
Sun 9/219:20 amSYD - ANC
1 stop24h 36mAir Canada
Deal found 7/31$883
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/104:40 pmANC - SYD
1 stop20h 40mMultiple Airlines
Sat 8/169:35 pmSYD - ANC
2 stops36h 12mMultiple Airlines
Deal found 7/29$924
This Ovago deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:50 pmANC - SYD
1 stop23h 15mQantas Airways
Thu 9/185:45 pmSYD - ANC
1 stop24h 49mQantas Airways
Deal found 7/31$1,013
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:11 pmANC - SYD
1 stop22h 44mUnited Airlines
Sat 9/2010:20 amSYD - ANC
1 stop30h 31mUnited Airlines
Deal found 7/30$1,027
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:15 amANC - SYD
2 stops25h 20mDelta
Thu 9/189:25 amSYD - ANC
2 stops24h 55mDelta
Deal found 7/31$1,043
This SmartFares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:15 amANC - SYD
2 stops24h 30mAlaska Airlines
Sat 9/209:40 pmSYD - ANC
1 stop27h 30mAlaska Airlines
Deal found 7/30$1,338

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 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

Sun 9/14

4:45 pm-7:20 am

1 stop20h 35m

Sydney Kingsford Smith

Sun 9/21

9:20 am-3:56 pm

1 stop24h 36m

$883

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sun 8/10

4:40 pm-7:20 am

1 stop20h 40m

Sydney Kingsford Smith

Sat 8/16

9:35 pm-3:47 pm

2 stops36h 12m

$924

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Thu 9/11

12:50 pm-6:05 am

1 stop23h 15m

Sydney Kingsford Smith

Thu 9/18

5:45 pm-12:34 am

1 stop24h 49m

$1,013

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Sat 9/13

2:11 pm-6:55 am

1 stop22h 44m

Sydney Kingsford Smith

Sat 9/20

9:30 am-10:41 pm

2 stops31h 11m

$1,027

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Thu 9/11

11:15 am-6:35 am

2 stops25h 20m

Sydney Kingsford Smith

Thu 9/18

9:25 am-4:20 pm

2 stops24h 55m

$1,043

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 9/12

1:15 am-7:45 pm

2 stops24h 30m

Sydney Kingsford Smith

Sat 9/20

9:40 pm-7:10 am

1 stop27h 30m

$1,338

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 9/19

4:46 pm-7:30 pm

3 stops56h 44m

$3,172

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 9/19

11:15 am-8:00 am

2 stops50h 45m

$4,199

AnchorageSydney

ANC - SYD

ANCSYD

Anchorage

Fri 9/19

7:54 pm-7:45 pm

1 stop29h 51m

$4,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 round-trip 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, February is the cheapest month in which you can book a flight from Alaska to Sydney (average of $1,028). Flying from Alaska to Sydney in December is currently the most expensive (average of $1,619). 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 to fly round-trip from Alaska to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated July 31, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Qantas Airways from Alaska to Sydney have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Qantas Airways
7.5
Good
887 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Philippine Airlines
7.2
Good
894 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Alaska to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Alaska to Sydney (average of $1,028). Flying from Alaska to Sydney in December is currently the most expensive (average of $1,619). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
John F Kennedy Intl to Sydney flights
Newark to Sydney flights
Dallas/Fort Worth to Sydney flights
LaGuardia to Sydney flights
Seattle to Sydney flights
Ontario to Sydney flights
Hobby to Sydney flights
Santa Ana to Sydney flights
O'Hare Intl to Sydney flights
Boston to Sydney flights
Dulles Intl to Sydney flights
Reagan-National to Sydney flights
George Bush Intcntl to Sydney flights
San Jose to Sydney flights
Salt Lake City to Sydney flights
Baltimore to Sydney flights
Detroit to Sydney flights
Honolulu to Sydney flights
Minneapolis to Sydney flights
Atlanta to Sydney flights
Sky Harbor Intl to Sydney flights
Oakland to Sydney flights
Midway to Sydney flights
Denver to Sydney flights
Miami to Sydney flights
Portland to Sydney flights
Burbank to Sydney flights
San Diego to Sydney flights
Orlando to Sydney flights
Tampa to Sydney flights
Austin to Sydney flights
Philadelphia to Sydney flights
Charlotte to Sydney flights
Fort Lauderdale to Sydney flights
Norfolk to Sydney flights
Pittsburgh to Sydney flights
Sacramento to Sydney flights
St. Louis to Sydney flights
Raleigh to Sydney flights
Cleveland to Sydney flights
Cincinnati to Sydney flights
Nashville to Sydney flights
Kansas City to Sydney flights
Omaha to Sydney flights
Love Field to Sydney flights
Buffalo to Sydney flights
Long Beach to Sydney flights
Indianapolis to Sydney flights

Top 2 airlines flying from Alaska to Sydney

Discover the top 2 airlines that operate flights from Alaska to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,064Average$1,423FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$1,340Average$1,764FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.