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$409+ Cheap flights from Ontario (ONT) to South Pacific

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Ontario to South Pacific

Cheapest flights from Ontario to South Pacific
Explore the most affordable flight options available from Ontario to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/24. 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.
Wed 3/116:00 am
ONT
-
BNE
2 stops32h 20m
Delta
Wed 3/1810:05 am
BNE
-
ONT
2 stops30h 46m
Delta
Deal found 1/24$837
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 2/169:06 pm
ONT
-
AKL
1 stop39h 04m
United Airlines
Tue 3/33:50 pm
AKL
-
ONT
1 stop17h 48m
United Airlines
Deal found 1/27$858
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 1/261:53 pm
ONT
-
AKL
1 stop22h 17m
United Airlines
Mon 2/23:50 pm
AKL
-
ONT
1 stop16h 28m
United Airlines
Deal found 1/26$863
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 1/261:53 pm
ONT
-
AKL
1 stop22h 17m
United Airlines
Mon 2/93:50 pm
AKL
-
ONT
1 stop16h 28m
United Airlines
Deal found 1/26$866
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 1/275:05 am
ONT
-
AKL
2 stops31h 05m
United Airlines
Tue 2/103:50 pm
AKL
-
ONT
2 stops26h 08m
United Airlines
Deal found 1/26$868
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/35:05 am
ONT
-
AKL
2 stops31h 05m
United Airlines
Tue 2/103:50 pm
AKL
-
ONT
1 stop22h 53m
United Airlines
Deal found 1/27$869
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 3/86:15 am
ONT
-
AKL
1 stop29h 55m
United Airlines
Mon 3/232:50 pm
AKL
-
ONT
1 stop17h 28m
United Airlines
Deal found 1/24$870
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/145:15 am
ONT
-
AKL
2 stops30h 55m
United Airlines
Sat 3/212:50 pm
AKL
-
ONT
1 stop28h 07m
United Airlines
Deal found 1/26$874
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 1/281:53 pm
ONT
-
AKL
1 stop22h 17m
United Airlines
Fri 2/203:50 pm
AKL
-
ONT
2 stops41h 53m
United Airlines
Deal found 1/26$884
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 1/271:53 pm
ONT
-
BNE
1 stop23h 37m
United Airlines
Tue 2/311:40 am
BNE
-
ONT
1 stop24h 15m
United Airlines
Deal found 1/26$887
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 1/306:39 pm
ONT
-
BNE
1 stop18h 51m
United Airlines
Fri 2/1311:40 am
BNE
-
ONT
1 stop18h 58m
United Airlines
Deal found 1/26$888
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 3/196:37 pm
ONT
-
BNE
1 stop18h 53m
United Airlines
Fri 4/310:30 am
BNE
-
ONT
1 stop29h 15m
United Airlines
Deal found 1/26$893

Find flight deals from Ontario to South Pacific

Keep the following information in mind while searching for Ontario to South Pacific flight deals. Data was last updated January 27, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$794
(United Airlines)

One-way from

$409
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,023
Provider with most accurate pricing for Los Angeles-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Sydney Kingsford Smith flights.
Search Deals
From Ontario to South Pacific
Search Deals
One-way flight from Ontario to South Pacific
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South Pacific 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 January 27, 2026.
Use the filters below to find and compare flights from Ontario to South Pacific that are best for you.

Fly from

Ontario

Fly to

South Pacific

Route

Depart

Return

Price

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Wed 3/11

6:00 am-7:20 am

2 stops32h 20m

Brisbane

Wed 3/18

10:05 am-11:51 pm

2 stops30h 46m

$837

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sat 2/28

1:53 pm-9:10 am

1 stop22h 17m

Auckland Intl

Sat 5/2

1:50 pm-5:52 pm

1 stop23h 02m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 2/24

1:50 pm-9:10 am

1 stop22h 20m

Auckland Intl

Tue 3/3

3:50 pm-12:38 pm

1 stop17h 48m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 2/24

1:50 pm-9:10 am

1 stop22h 20m

Auckland Intl

Tue 3/17

2:50 pm-5:41 pm

1 stop22h 51m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 3/10

1:40 pm-8:10 am

1 stop22h 30m

Auckland Intl

Mon 3/23

2:50 pm-12:18 pm

1 stop17h 28m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Wed 2/4

1:53 pm-9:10 am

1 stop22h 17m

Auckland Intl

Wed 2/11

3:50 pm-5:43 pm

1 stop22h 53m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sun 3/1

6:37 pm-9:10 am

1 stop17h 33m

Auckland Intl

Mon 5/4

1:50 pm-12:22 pm

1 stop17h 32m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sat 3/14

1:40 pm-8:10 am

1 stop22h 30m

Auckland Intl

Tue 3/24

2:50 pm-12:18 pm

1 stop17h 28m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sat 2/28

1:53 pm-9:10 am

1 stop22h 17m

Auckland Intl

Thu 3/12

2:50 pm-12:18 pm

1 stop17h 28m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 2/3

1:53 pm-9:10 am

1 stop22h 17m

Auckland Intl

Tue 2/10

3:50 pm-5:43 pm

1 stop22h 53m

$864

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific from Ontario 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 Ontario to South Pacific

What is the cheapest month to book a flight from Ontario to South Pacific?

Currently, April is the cheapest month in which you can book a flight from Ontario to South Pacific (average of $89). Flying from Ontario to South Pacific in September is currently the most expensive (average of $668). 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.

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 South Pacific. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown United Airlines from Ontario to South Pacific. 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.
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Ontario to South Pacific. 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 from for flights from Ontario to South Pacific?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to South Pacific. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to South Pacific?

    There are many flights that can get you from Ontario to South Pacific in 19h 06m. Fly via Delta, United Airlines, or Fiji Airways to get the fastest option. The distance from Ontario to South Pacific is about 5566 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Ontario to South Pacific?

    The most popular flight routes from Ontario to South Pacific are Ontario - Sydney Kingsford Smith, Ontario - Auckland Intl and Ontario - Papeete Faaa.

  • Can I find deals for flights from Ontario to South Pacific that include hotel bookings?

    Yes. In addition to deals on Ontario to South Pacific flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to South Pacific?

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

  • Can I find deals for business class flights from Ontario to South Pacific?

    Yes. Cheapflights offers flight deals from Ontario to South Pacific 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 Ontario to South Pacific?

    Currently, April is the cheapest month in which you can book a flight from Ontario to South Pacific (average of $89). Flying from Ontario to South Pacific in September is currently the most expensive (average of $668). 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

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