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$980+ Cheap flights to Ontario

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
22 Jan — 29 Jan1
1 adult

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 17 January 2025.

Return from

$1,009

One-way from

$980

Popular in

December

Cheapest in

May

Average price

$1,395
Fiji Airways
  • Fiji Airways
  • 23/1-6/2
  • 2 total stops
  • 45h 05m total
  • Sydney to Los Angeles
United Airlines
  • United Airlines
  • 27/1
  • 1 total stop
  • 27h 19m total
  • Sydney to Ontario
High demand for flights, 12% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for return flights in January 2025

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Sun 2/321:40SYD - ONT
1 stop19h 10mHawaiian Airlines
Thu 6/309:45ONT - SYD
1 stop39h 00mHawaiian Airlines
Deal found 16/1$1,163
Fri 7/217:25SYD - ONT
1 stop23h 25mMultiple Airlines
Wed 12/218:58ONT - SYD
2 stops47h 02mMultiple Airlines
Deal found 15/1$1,299
Wed 26/212:10SYD - ONT
2 stops43h 32mUnited Airlines
Tue 4/313:44ONT - SYD
2 stops45h 36mUnited Airlines
Deal found 15/1$1,321
Thu 23/112:10SYD - ONT
1 stop16h 41mLufthansa
Thu 6/218:38ONT - SYD
1 stop19h 37mLufthansa
Deal found 16/1$1,349
Thu 1/522:10SYD - ONT
1 stop36h 50mChina Airlines
Sun 4/500:10ONT - SYD
1 stop41h 35mChina Airlines
Deal found 16/1$1,666
Wed 8/1021:45SYD - ONT
2 stops38h 32mQatar Airways
Thu 23/1011:30ONT - SYD
2 stops36h 40mQatar Airways
Deal found 16/1$3,138

Find flights to Ontario within your budget

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 17 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 2/3

21:40-21:50

1 stop19h 10m

Ontario

Thu 6/3

09:45-19:45

1 stop39h 00m

$1,163

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 7/2

17:25-21:50

1 stop23h 25m

Ontario

Wed 12/2

18:58-13:00

2 stops47h 02m

$1,299

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 26/2

12:10-20:52

2 stops27h 42m

Ontario

Tue 4/3

19:40-06:20

1 stop39h 40m

$1,321

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 23/1

12:10-09:51

1 stop16h 41m

Ontario

Thu 6/2

18:38-09:15

1 stop19h 37m

$1,349

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 19/2

22:10-16:50

1 stop37h 40m

Ontario

Sun 30/3

00:10-11:45

1 stop41h 35m

$1,783

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 19/2

21:40-18:19

2 stops39h 39m

Ontario

Thu 27/2

11:57-18:50

2 stops35h 53m

$3,478

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 7/3

11:30-19:04

2 stops26h 34m

Ontario

Wed 26/3

14:54-06:35

1 stop21h 41m

$14,102

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 27/1

12:10-20:29

1 stop27h 19m

$980

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 16/4

22:10-18:00

1 stop36h 50m

$1,110

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 21/2

11:20-20:40

2 stops28h 20m

$2,063

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 15 results
1
2

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Estimated return 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 to Ontario

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

How long is the flight to Ontario?

On average, a flight from Sydney to Ontario takes 16 hours 39 minutes. Flights to Ontario from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from Sydney to Ontario is United Airlines.

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 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

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 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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 17 January 2025.
Read through reviews of airlines servicing Ontario, such as Hawaiian Airlines, United Airlines and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.2
Very Good
737 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.9
Good
2,320 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.5
Good
3,752 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.4
Good
8,969 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.2
Good
10,000 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

  • What airport do you fly into for flights to Ontario?

    Most people fly into Ontario (ONT) if they book a flight to Ontario. Ontario is conveniently located just 4.9 km from Ontario’s city centre.

  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Ontario.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Brisbane offers the quickest one-way flight (16 hours 11 minutes).

  • Does Ontario have car hire?

    Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Ontario flexibly with Cheapflights today.

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