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South Pacific

$426+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$788
(United Airlines)

One-way from

$426
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$954
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. 13% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

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.
mié. 11/56:38 pmONT - AKL
1 stop17h 32mUnited Airlines
mié. 11/193:50 pmAKL - ONT
1 stop17h 47mUnited Airlines
Deal found 7/30$788
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/12:31 pmONT - SYD
2 stops26h 09mAmerican Airlines
lun. 9/1511:00 amSYD - ONT
2 stops24h 54mAmerican Airlines
Deal found 7/29$853
This flugladen.de deal was found by Cheapflights users on 7/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/169:00 amONT - RAR
1 stop16h 55mHawaiian Airlines
dom. 8/2412:40 pmRAR - ONT
1 stop29h 30mHawaiian Airlines
Deal found 7/28$987
This SmartFares deal was found by Cheapflights users on 7/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/49:50 amONT - SYD
1 stop38h 55mHawaiian Airlines
dom. 12/149:40 pmSYD - ONT
1 stop19h 15mHawaiian Airlines
Deal found 7/27$1,028
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 8/169:00 amONT - RAR
1 stop16h 55mAlaska Airlines
dom. 8/2412:40 pmRAR - ONT
1 stop29h 30mAlaska Airlines
Deal found 7/28$1,039
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/218:00 amONT - AKL
1 stop16h 20mHawaiian Airlines
mar. 12/211:30 pmAKL - ONT
1 stop19h 25mHawaiian Airlines
Deal found 7/30$1,051
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
vie. 11/218:00 amONT - AKL
1 stop16h 20mAlaska Airlines
jue. 11/2711:30 pmAKL - ONT
1 stop18h 11mAlaska Airlines
Deal found 7/28$1,052
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.
lun. 11/31:40 pmONT - BNE
1 stop23h 50mUnited Airlines
dom. 11/1611:40 amBNE - ONT
1 stop18h 57mUnited Airlines
Deal found 7/30$1,065
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/11:42 pmONT - SYD
1 stop24h 13mUnited Airlines
dom. 9/1410:20 amSYD - ONT
1 stop24h 17mUnited Airlines
Deal found 7/29$1,074
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/49:45 amONT - SYD
1 stop39h 00mAlaska Airlines
sáb. 11/229:40 pmSYD - ONT
1 stop18h 01mAlaska Airlines
Deal found 7/29$1,077
This Kissandfly.com deal was found by Cheapflights users on 7/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/11:42 pmONT - SYD
1 stop24h 13mLufthansa
lun. 9/1510:20 amSYD - ONT
1 stop18h 53mLufthansa
Deal found 7/28$1,120
This Fiji Airways deal was found by Cheapflights users on 7/27. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:59 pmONT - NAN
1 stop34h 01mMultiple Airlines
jue. 11/139:15 pmNAN - ONT
1 stop22h 42mMultiple Airlines
Deal found 7/27$1,151

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 julio 30, 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

mié. 11/5

6:38 pm-9:10 am

1 stop17h 32m

Auckland Intl

jue. 11/20

3:50 pm-5:34 pm

1 stop22h 44m

$788

OntarioSydney

ONT - SYD

ONTSYD

Ontario

lun. 9/1

2:31 pm-9:40 am

2 stops26h 09m

Sydney Kingsford Smith

lun. 9/15

11:00 am-6:54 pm

2 stops24h 54m

$853

OntarioRarotonga

ONT - RAR

ONTRAR

Ontario

sáb. 8/16

9:00 am-10:55 pm

1 stop16h 55m

Rarotonga

dom. 8/24

12:40 pm-9:10 pm

1 stop29h 30m

$987

OntarioSydney

ONT - SYD

ONTSYD

Ontario

jue. 12/4

9:50 am-7:45 pm

1 stop38h 55m

Sydney Kingsford Smith

dom. 12/14

9:40 pm-9:55 pm

1 stop19h 15m

$1,028

OntarioRarotonga

ONT - RAR

ONTRAR

Ontario

sáb. 8/16

9:00 am-10:55 pm

1 stop16h 55m

Rarotonga

dom. 8/24

12:40 pm-9:10 pm

1 stop29h 30m

$1,039

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

vie. 11/21

8:00 am-9:20 pm

1 stop16h 20m

Auckland Intl

mar. 12/2

11:30 pm-9:55 pm

1 stop19h 25m

$1,051

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

vie. 11/21

8:00 am-9:20 pm

1 stop16h 20m

Auckland Intl

mar. 12/2

11:30 pm-9:55 pm

1 stop19h 25m

$1,052

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

lun. 11/3

1:40 pm-7:30 am

1 stop23h 50m

Brisbane

dom. 11/16

11:40 am-12:37 pm

1 stop18h 57m

$1,065

OntarioSydney

ONT - SYD

ONTSYD

Ontario

lun. 9/1

1:42 pm-6:55 am

1 stop24h 13m

Sydney Kingsford Smith

dom. 9/14

10:20 am-5:37 pm

1 stop24h 17m

$1,074

OntarioSydney

ONT - SYD

ONTSYD

Ontario

mar. 11/4

9:45 am-7:45 pm

1 stop39h 00m

Sydney Kingsford Smith

sáb. 11/22

9:40 pm-8:41 pm

1 stop18h 01m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $1,028). Flying from Ontario to South Pacific 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.

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 julio 30, 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 julio 30, 2025.
Read reviews from past customers who have flown China Airlines, Alaska Airlines, and Delta 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.
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
China Airlines
8.3
Very good
754 reviews
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
Alaska Airlines
8.0
Very good
10,000 reviews
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
Delta
8.0
Very good
7,980 reviews
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
Hawaiian Airlines
7.8
Good
2,611 reviews
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
Qatar Airways
7.4
Good
3,607 reviews
China Airlines
8.3
Very good
754 reviews

Overall

8.3

Crew

8.5

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.

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.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $426. United Airlines flights start at $567 while deals on Hawaiian Airlines start at $600 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 - Melbourne and Ontario - Auckland Intl.

  • 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 $1,028). Flying from Ontario to South Pacific 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

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Alternative routes for Ontario to South Pacific

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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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$625Average$1,520FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$1,035Average$1,062FlexibilityNo cancel feeOn-time85%

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