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Ontario

$468+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$835
(Delta)

One-way from

$468
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$764
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 ($131 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 May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:25 amSYD - ONT
2 stops31h 17mDelta
Mon 6/166:00 amONT - SYD
2 stops31h 35mDelta
Deal found 5/1$835
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sun 6/110:20 amSYD - ONT
1 stop29h 25mUnited Airlines
Sat 6/146:41 pmONT - SYD
1 stop19h 14mUnited Airlines
Deal found 5/1$876
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 11/1211:40 amBNE - ONT
1 stop16h 19mUnited Airlines
Wed 11/261:00 pmONT - BNE
2 stops24h 30mUnited Airlines
Deal found 5/1$920
This BestPriceTravel deal was found by Cheapflights users on 4/30. 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.
Sat 5/39:40 pmSYD - ONT
1 stop17h 10mHawaiian Airlines
Wed 5/79:45 amONT - SYD
1 stop41h 00mHawaiian Airlines
Deal found 4/30$922
This BestPriceTravel deal was found by Cheapflights users on 5/1. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:40 pmSYD - ONT
1 stop17h 10mAlaska Airlines
Tue 5/69:45 amONT - SYD
1 stop41h 00mAlaska Airlines
Deal found 5/1$930
This Kissandfly.com deal was found by Cheapflights users on 4/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:20 amSYD - ONT
1 stop18h 54mLufthansa
Sat 6/146:41 pmONT - SYD
1 stop19h 14mLufthansa
Deal found 4/30$987
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:30 pmAKL - ONT
1 stop19h 25mAlaska Airlines
Thu 2/129:50 amONT - AKL
1 stop38h 30mAlaska Airlines
Deal found 4/30$997
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 9/17:45 pmAKL - ONT
1 stop16h 52mUnited Airlines
Mon 9/151:42 pmONT - AKL
1 stop21h 18mUnited Airlines
Deal found 4/30$1,010
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:30 pmAKL - ONT
2 stops42h 10mChina Airlines
Mon 9/1512:10 amONT - AKL
2 stops46h 50mChina Airlines
Deal found 4/30$1,061
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 8/1210:55 amMEL - ONT
2 stops23h 30mUnited Airlines
Wed 8/276:36 pmONT - MEL
1 stop20h 39mUnited Airlines
Deal found 5/1$1,112
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:50 pmMEL - ONT
1 stop37h 50mChina Airlines
Sat 9/1312:45 amONT - MEL
1 stop40h 55mChina Airlines
Deal found 4/29$1,123
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:10 pmSYD - ONT
1 stop37h 40mChina Airlines
Sat 11/111:45 pmONT - SYD
1 stop42h 25mChina Airlines
Deal found 4/29$1,132

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 May 1, 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

Sun 6/1

9:25 am-11:42 pm

2 stops31h 17m

Ontario

Mon 6/16

6:00 am-6:35 am

2 stops31h 35m

$835

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 6/1

10:20 am-10:45 pm

1 stop29h 25m

Ontario

Sat 6/14

6:41 pm-6:55 am

1 stop19h 14m

$876

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 6/1

10:20 am-12:14 pm

1 stop18h 54m

Ontario

Sat 6/14

6:41 pm-6:55 am

1 stop19h 14m

$987

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Mon 9/1

7:45 pm-5:37 pm

1 stop16h 52m

Ontario

Wed 9/17

6:39 pm-6:00 am

1 stop16h 21m

$1,010

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 10/14

9:40 pm-9:55 pm

1 stop18h 15m

Ontario

Thu 10/23

9:50 am-7:45 pm

1 stop39h 55m

$1,049

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Thu 9/4

7:30 pm-6:40 pm

2 stops42h 10m

Ontario

Tue 9/16

12:10 am-6:00 pm

2 stops46h 50m

$1,061

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 5/13

9:40 pm-9:50 pm

1 stop17h 10m

Ontario

Sun 6/1

9:50 am-7:45 pm

1 stop40h 55m

$1,088

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Tue 8/12

10:55 am-5:25 pm

2 stops23h 30m

Ontario

Wed 8/27

6:36 pm-8:15 am

1 stop20h 39m

$1,112

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fri 8/29

9:50 pm-6:40 pm

1 stop37h 50m

Ontario

Sat 9/13

12:45 am-10:40 am

1 stop40h 55m

$1,123

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 10/26

10:10 pm-5:50 pm

1 stop37h 40m

Ontario

Sat 11/1

11:45 pm-12:10 pm

1 stop42h 25m

$1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 55 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 May 1, 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 May 1, 2025.
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very good
1,464 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Airlines
8.3
Very good
732 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Alaska Airlines
8.0
Very good
9,972 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Delta
8.0
Very good
7,934 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Hawaiian Airlines
7.9
Good
2,409 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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 United Airlines, which is currently one of the cheapest options available, starting at $468. China Airlines flights start at $616 while deals on Alaska Airlines start at $683 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,392Average$1,648FlexibilityNo cancel feeOn-time69%

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