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Ontario

$366+ Cheap flights from South Pacific to Ontario (ONT)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
Apr 7 — Apr 141
Mo 4/7
Mo 4/14
1 adult, Economy
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Cheap flight deals from South Pacific to Ontario

Keep the following information in mind while searching for South Pacific to Ontario flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$921
(Trip.com)

One-way from

$366
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$889
Provider with most accurate pricing for Sydney Kingsford Smith-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Los Angeles flights.
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From South Pacific to Ontario
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One-way flight from South Pacific to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from South Pacific to Ontario

Cheapest flights from South Pacific to Ontario
Explore the most affordable flight options available from South Pacific to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/54:20 pmSYD - ONT
1 stop22h 35mMultiple Airlines
So 6/89:50 amONT - SYD
1 stop35h 50mMultiple Airlines
Deal found 3/31$882
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mi 11/511:40 amBNE - ONT
1 stop16h 19mUnited Airlines
Mi 11/193:15 pmONT - BNE
1 stop22h 15mUnited Airlines
Deal found 4/1$902
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/1712:55 pmMEL - ONT
2 stops36h 24mMultiple Airlines
Do 4/248:44 amONT - MEL
2 stops33h 46mMultiple Airlines
Deal found 3/31$989
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/59:40 pmSYD - ONT
1 stop17h 15mHawaiian Airlines
Fr 6/139:00 amONT - SYD
1 stop17h 45mHawaiian Airlines
Deal found 3/31$1,032
This Flightnetwork deal was found by Cheapflights users on 3/31. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 10/294:00 pmAKL - ONT
2 stops45h 50mChina Airlines
Sa 11/1510:45 pmONT - AKL
2 stops47h 25mChina Airlines
Deal found 3/31$1,056
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 11/1211:20 pmMEL - ONT
1 stop36h 30mChina Airlines
Mo 11/1710:45 pmONT - MEL
1 stop42h 20mChina Airlines
Deal found 4/1$1,087
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 5/1510:10 pmSYD - ONT
1 stop36h 50mChina Airlines
So 9/712:45 amONT - SYD
1 stop41h 00mChina Airlines
Deal found 3/31$1,099
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 9/610:50 pmBNE - ONT
1 stop36h 50mChina Airlines
Sa 10/1112:10 amONT - BNE
1 stop41h 25mChina Airlines
Deal found 4/1$1,109
This BestPriceTravel deal was found by Cheapflights users on 3/30. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 8/2610:20 amSYD - ONT
1 stop18h 53mUnited Airlines
Di 9/96:36 pmONT - SYD
1 stop19h 19mUnited Airlines
Deal found 3/30$1,126
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mi 5/2110:55 amMEL - ONT
1 stop20h 30mUnited Airlines
Mo 6/306:39 pmONT - MEL
1 stop20h 36mUnited Airlines
Deal found 4/1$1,179
This China Airlines deal was found by Cheapflights users on 4/1. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/76:15 pmBNE - ONT
2 stops40h 45mMultiple Airlines
Sa 5/1012:10 amONT - BNE
1 stop41h 25mMultiple Airlines
Deal found 4/1$1,261
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 10/1312:25 pmPER - ONT
2 stops44h 35mMultiple Airlines
Fr 10/3111:45 pmONT - PER
2 stops33h 10mMultiple Airlines
Deal found 3/31$1,319

Cheapflights Fare Finder

Customize your flight search to find flights from South Pacific to Ontario 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 April 2, 2025.
Use the filters below to find and compare flights from South Pacific to Ontario that are best for you.

Fly from

South Pacific

Fly to

Ontario

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sa 5/31

1:45 pm-11:36 pm

2 stops26h 51m

Ontario

Mi 6/4

9:50 am-2:40 pm

1 stop35h 50m

$921

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Do 4/17

12:55 pm-8:19 am

2 stops36h 24m

Ontario

Do 4/24

8:44 am-11:30 am

2 stops33h 46m

$989

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Sa 9/6

10:50 pm-6:40 pm

1 stop36h 50m

Ontario

Sa 10/11

12:10 am-10:35 am

1 stop41h 25m

$1,109

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

So 8/24

10:10 pm-6:40 pm

1 stop37h 30m

Ontario

So 11/23

10:45 pm-12:10 pm

1 stop42h 25m

$1,113

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fr 6/6

9:50 pm-6:00 pm

1 stop37h 10m

Ontario

Sa 7/5

12:45 am-10:40 am

1 stop40h 55m

$1,115

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Sa 5/3

7:30 pm-6:00 pm

2 stops41h 30m

Ontario

Fr 5/16

12:10 am-11:00 pm

2 stops51h 50m

$1,144

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sa 6/7

9:40 pm-9:55 pm

1 stop17h 15m

Ontario

Sa 6/28

9:00 am-7:45 pm

1 stop17h 45m

$1,165

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Mi 5/21

10:55 am-2:25 pm

1 stop20h 30m

Ontario

Mo 6/30

6:39 pm-8:15 am

1 stop20h 36m

$1,179

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Do 5/22

10:20 am-12:14 pm

1 stop18h 54m

Ontario

Mi 6/4

6:41 pm-6:55 am

1 stop19h 14m

$1,190

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Mi 5/7

6:15 pm-6:00 pm

2 stops40h 45m

Ontario

Sa 5/10

12:10 am-10:35 am

1 stop41h 25m

$1,261

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 50 results
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Best time to book a flight from South Pacific to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from South Pacific to Ontario (average of $246). Flying from South Pacific to Ontario in March is currently the most expensive (average of $328). 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 SP to ONT?

Find hourly flight availability from South Pacific to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

When flying from South Pacific to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 2, 2025.
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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.
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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.
China Airlines
8.2
Very good
724 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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.
Hawaiian Airlines
7.9
Good
2,345 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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.
Qatar Airways
7.4
Good
3,540 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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.
United Airlines
7.4
Good
8,615 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

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 South Pacific to Ontario. 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 Ontario from South Pacific?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from South Pacific.

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

    To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $616. Hawaiian Airlines flights start at $624 while deals on United Airlines start at $735 one-way.

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

    The most popular flight routes from South Pacific to Ontario are Sydney Kingsford Smith - Ontario, Melbourne - Ontario and Brisbane - Ontario.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from South Pacific to Ontario (average of $246). Flying from South Pacific to Ontario in March is currently the most expensive (average of $328). 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 South Pacific to Ontario

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

Discover the top airline that operate flights from South Pacific to Ontario. 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,392Average$1,648FlexibilityNo cancel feeOn-time69%

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