South Pacific

$356+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Feb 9 — Feb 161
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Cheap flight deals from Ontario to South Pacific

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to South Pacific (0SP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$709
(United)

One-way from

$356
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$901
Provider with most accurate pricing for Los Angeles-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Sydney Kingsford Smith flights.
From Ontario to South Pacific
One-way flight from Ontario to South Pacific
Highest demand for flights based on searches. 14% potential increase in price ($162 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 4, 2025.

This United deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:48 pmONT - AKL
1 stop17h 22mUnited Airlines
Thu 5/151:50 pmAKL - ONT
1 stop23h 11mUnited Airlines
Deal found 2/3$709
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/78:26 amONT - PPT
1 stop22h 54mMultiple Airlines
Thu 3/137:15 amPPT - ONT
1 stop23h 29mMultiple Airlines
Deal found 2/3$729
This Hawaiian Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/29:45 amONT - AKL
1 stop38h 35mHawaiian Airlines
Sat 3/811:30 pmAKL - ONT
1 stop17h 00mHawaiian Airlines
Deal found 2/4$781
This Hawaiian Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/29:45 amONT - SYD
1 stop39h 00mHawaiian Airlines
Fri 3/79:40 pmSYD - ONT
1 stop19h 10mHawaiian Airlines
Deal found 2/4$790
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/106:45 pmONT - BNE
1 stop18h 45mUnited Airlines
Sun 3/2310:40 amBNE - ONT
1 stop16h 14mUnited Airlines
Deal found 2/4$807
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/192:54 pmONT - BNE
1 stop21h 21mAmerican Airlines
Sun 2/239:40 amBNE - ONT
1 stop22h 20mAmerican Airlines
Deal found 2/3$926
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 5/72:44 pmONT - SYD
2 stops23h 21mAmerican Airlines
Mon 5/129:10 amSYD - ONT
2 stops26h 13mAmerican Airlines
Deal found 2/4$940
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/76:38 pmONT - SYD
1 stop19h 37mUnited Airlines
Thu 2/2012:10 pmSYD - ONT
1 stop19h 05mUnited Airlines
Deal found 2/4$955
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/66:38 pmONT - MEL
1 stop20h 22mUnited Airlines
Thu 2/201:00 pmMEL - ONT
1 stop20h 29mUnited Airlines
Deal found 2/4$958
This Delta deal was found by Cheapflights users on 2/4. 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 5/86:00 amONT - SYD
2 stops31h 35mDelta
Mon 5/129:25 amSYD - ONT
2 stops31h 20mDelta
Deal found 2/4$963
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/86:15 amONT - PPT
1 stop14h 25mUnited Airlines
Sat 2/158:40 pmPPT - ONT
1 stop22h 00mUnited Airlines
Deal found 2/4$1,001
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:50 amONT - MEL
1 stop37h 30mMultiple Airlines
Wed 3/264:50 pmMEL - ONT
1 stop22h 05mMultiple Airlines
Deal found 2/4$1,020

Find flights from Ontario to South Pacific within your budget

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 February 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Thu 5/8

1:45 pm-7:10 am

1 stop22h 25m

Auckland Intl

Thu 5/15

1:50 pm-6:01 pm

1 stop23h 11m

$709

OntarioPapeete

ONT - PPT

ONTPPT

Ontario

Fri 3/7

8:26 am-5:20 am

1 stop22h 54m

Papeete Faaa

Thu 3/13

7:15 am-9:44 am

1 stop23h 29m

$729

OntarioAuckland

ONT - AKL

ONTAKL

Ontario

Sun 3/2

9:45 am-9:20 pm

1 stop38h 35m

Auckland Intl

Sat 3/8

11:30 pm-7:30 pm

1 stop17h 00m

$781

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 3/2

9:45 am-7:45 pm

1 stop39h 00m

Sydney Kingsford Smith

Fri 3/7

9:40 pm-9:50 pm

1 stop19h 10m

$790

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 3/10

6:45 pm-6:30 am

1 stop18h 45m

Brisbane

Sun 3/23

10:40 am-9:54 am

1 stop16h 14m

$807

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 5/7

2:44 pm-7:05 am

2 stops23h 21m

Sydney Kingsford Smith

Mon 5/12

9:10 am-6:23 pm

2 stops26h 13m

$940

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 5/8

6:00 am-6:35 am

2 stops31h 35m

Sydney Kingsford Smith

Mon 5/12

9:25 am-11:45 pm

2 stops31h 20m

$963

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 5/21

6:48 pm-6:55 am

1 stop19h 07m

Sydney Kingsford Smith

Fri 6/20

10:20 am-12:34 pm

1 stop19h 14m

$971

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sat 3/1

7:40 pm-10:00 am

1 stop19h 20m

Melbourne

Sat 3/15

12:00 pm-6:04 pm

1 stop24h 04m

$975

OntarioPapeete

ONT - PPT

ONTPPT

Ontario

Fri 3/7

6:00 am-8:00 pm

1 stop16h 00m

Papeete Faaa

Fri 3/14

9:10 pm-6:04 pm

1 stop17h 54m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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.

Travel insights for flights from Ontario to South Pacific

Get recent, data-driven insights about flights from Ontario to South Pacific including ideal travel times, pricing trends, and more.

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 $1,046). Flying from Ontario to South Pacific in December is currently the most expensive (average of $1,643). 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 February 4, 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.

Rainfall in South Pacific by month

Plan your trip to South Pacific by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Pacific ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit South Pacific when rainfall is around 2.0 in.

Temperature in South Pacific by month

Plan your trip to South Pacific by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Pacific, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 February 4, 2025.

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

8.0
Very good

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $404. United Airlines flights start at $413 while deals on Alaska Airlines start at $536 one-way.

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

  • 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 $1,046). Flying from Ontario to South Pacific in December is currently the most expensive (average of $1,643). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 4 airlines flying from Ontario to South Pacific

Discover the top 4 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 February 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$493Average$855FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$997Average$2,091FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$1,035Average$1,062FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$1,042Average$1,087FlexibilityNo cancel feeOn-time74%
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