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South Pacific

$416+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$805
(lol.travel)

One-way from

$416
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$971
From Ontario to South Pacific
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One-way flight from Ontario to South Pacific
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Highest demand for flights based on searches. 15% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 14, 2025.

This lol.travel deal was found by Cheapflights users on 9/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:05 amONT - AKL
2 stops31h 05mUnited Airlines
Mon 11/103:50 pmAKL - ONT
1 stop17h 47mUnited Airlines
Deal found 9/13$805
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/166:38 pmONT - AKL
1 stop17h 32mUnited Airlines
Sun 11/233:50 pmAKL - ONT
1 stop22h 44mUnited Airlines
Deal found 9/12$863
This United Airlines deal was found by Cheapflights users on 9/12. 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 12/55:05 amONT - AKL
2 stops31h 05mUnited Airlines
Sun 12/213:50 pmAKL - ONT
2 stops26h 17mUnited Airlines
Deal found 9/12$867
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/151:29 pmONT - AKL
2 stops46h 41mUnited Airlines
Sun 11/233:50 pmAKL - ONT
1 stop22h 44mUnited Airlines
Deal found 9/12$883
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/136:50 pmONT - AKL
1 stop17h 20mUnited Airlines
Mon 9/292:50 pmAKL - ONT
1 stop17h 23mUnited Airlines
Deal found 9/12$905
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/176:38 pmONT - AKL
1 stop17h 32mUnited Airlines
Sun 11/233:50 pmAKL - ONT
1 stop22h 44mUnited Airlines
Deal found 9/12$913
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/165:05 amONT - AKL
2 stops55h 05mUnited Airlines
Sat 11/223:50 pmAKL - ONT
1 stop22h 44mUnited Airlines
Deal found 9/12$933
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:09 amONT - RAR
1 stop15h 49mAlaska Airlines
Sun 9/2112:40 pmRAR - ONT
1 stop29h 30mAlaska Airlines
Deal found 9/12$952
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/136:50 pmONT - AKL
1 stop17h 20mUnited Airlines
Sat 9/201:50 pmAKL - ONT
1 stop17h 23mUnited Airlines
Deal found 9/12$963
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:59 pmONT - SYD
2 stops37h 56mAmerican Airlines
Thu 11/1310:00 pmSYD - ONT
2 stops39h 21mAmerican Airlines
Deal found 9/12$965
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:10 pmONT - SYD
2 stops24h 55mAmerican Airlines
Mon 9/229:10 amSYD - ONT
2 stops29h 38mAmerican Airlines
Deal found 9/12$1,000
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:11 pmONT - SYD
2 stops31h 34mAlaska Airlines
Tue 11/189:40 pmSYD - ONT
2 stops32h 25mAlaska Airlines
Deal found 9/13$1,043

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 September 14, 2025.
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

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Mon 2/16

6:37 pm-9:10 am

1 stop17h 33m

Auckland Intl

Sun 3/8

2:50 pm-8:59 am

1 stop15h 09m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 1/20

1:53 pm-9:10 am

1 stop22h 17m

Auckland Intl

Tue 2/17

3:50 pm-2:35 pm

1 stop19h 45m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Mon 2/16

6:37 pm-9:10 am

1 stop17h 33m

Auckland Intl

Tue 3/10

2:50 pm-9:59 am

1 stop15h 09m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Tue 3/3

1:52 pm-9:10 am

1 stop22h 18m

Auckland Intl

Sat 3/21

2:50 pm-6:00 pm

1 stop23h 10m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Thu 3/5

7:15 pm-9:10 am

1 stop16h 55m

Auckland Intl

Tue 3/24

2:50 pm-6:00 pm

1 stop23h 10m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Mon 3/2

1:52 pm-9:10 am

1 stop22h 18m

Auckland Intl

Sat 3/21

2:50 pm-6:00 pm

1 stop23h 10m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Mon 10/27

6:38 pm-8:10 am

1 stop17h 32m

Auckland Intl

Mon 11/10

3:50 pm-5:34 pm

1 stop22h 44m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sun 11/16

6:38 pm-9:10 am

1 stop17h 32m

Auckland Intl

Wed 11/26

3:50 pm-12:37 pm

1 stop17h 47m

$863

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Mon 1/12

5:05 am-9:10 am

2 stops31h 05m

Auckland Intl

Fri 1/23

3:50 pm-5:43 pm

1 stop22h 53m

$867

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Fri 12/5

5:05 am-9:10 am

2 stops31h 05m

Auckland Intl

Sun 12/21

3:50 pm-9:07 pm

2 stops26h 17m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, February is the cheapest month in which you can book a flight from Ontario to South Pacific (average of $1,035). Flying from Ontario to South Pacific in December is currently the most expensive (average of $1,626). 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.

What is the cheapest time of day to fly from ONT to SP?

Find hourly flight availability from Ontario to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to South Pacific as you normally would.

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 September 14, 2025.
Read reviews from past customers who have flown Hawaiian Airlines and 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.
Hawaiian Airlines
7.8
Good
2,723 reviews

Boarding

8.0

Overall

7.8

Comfort

7.7

Crew

8.5

Entertainment

7.1

Food

7.0

Reviews

1 / 20
4.0
Okay

Lynn,Aug 2025

OGG - HNL

It was a good flight wish they would offer more than baby drinks
Hawaiian Airlines
7.8
Good
2,723 reviews
Hawaiian Airlines
7.8
Good
2,723 reviews

Boarding

8.0

Overall

7.8

Comfort

7.7

Crew

8.5

Entertainment

7.1

Food

7.0

Reviews

1 / 20
4.0
Okay

Lynn,Aug 2025

OGG - HNL

It was a good flight wish they would offer more than baby drinks
United Airlines
7.4
Good
8,934 reviews
Hawaiian Airlines
7.8
Good
2,723 reviews

Boarding

8.0

Overall

7.8

Comfort

7.7

Crew

8.5

Entertainment

7.1

Food

7.0

Reviews

1 / 20
4.0
Okay

Lynn,Aug 2025

OGG - HNL

It was a good flight wish they would offer more than baby drinks

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 17h 33m. Fly via United Airlines, Alaska Airlines, or Qatar Airways to get the fastest option. The distance from Ontario to South Pacific is about 6551 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to South Pacific one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $554. Alaska Airlines flights start at $653 while deals on Hawaiian Airlines start at $653 one-way.

  • 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 - Melbourne.

  • 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, February is the cheapest month in which you can book a flight from Ontario to South Pacific (average of $1,035). Flying from Ontario to South Pacific in December is currently the most expensive (average of $1,626). 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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Alternative routes for Ontario to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to South Pacific

Discover the top 2 airlines that operate flights from Ontario to South Pacific. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$625Average$1,306FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$1,035Average$1,038FlexibilityNo cancel feeOn-time85%

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