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HK$3,617+ 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 24-9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
11 Jun — 18 Jun1
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 70,647 searches and data was last updated on 6 June 2025.

Return from

HK$5,571

One-way from

HK$3,617

Popular in

August

Cheapest in

March

Average price

HK$8,042
EVA Air
  • EVA Air
  • 6-10-26-10
  • 2 total stops
  • 33h 45m total
  • Hong Kong to Los Angeles
24-9
  • 24-9
  • 2 total stops
  • 40h 10m total
  • Hong Kong to Ontario
Highest demand for flights based on searches. 20% potential increase in price (HK$15,849 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (HK$2,910 potential savings vs. average return price).
Average for return flights in June 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 6 June 2025.

Fri 6-611:20HKG - ONT
1 stop20h 45m星宇航空
Sat 21-623:10ONT - HKG
1 stop19h 45m星宇航空
Deal found 5-6HK$5,837
Thu 26-611:15HKG - ONT
1 stop15h 59mUnited Airlines
Sat 12-706:10ONT - HKG
1 stop21h 45mUnited Airlines
Deal found 3-6HK$5,963
Mon 23-614:00HKG - ONT
1 stop19h 00mChina Airlines
Wed 30-700:45ONT - HKG
1 stop18h 20mChina Airlines
Deal found 6-6HK$6,190
Wed 3-913:30HKG - ONT
2 stops25h 29mMultiple Airlines
Fri 19-919:22ONT - HKG
2 stops25h 43mMultiple Airlines
Deal found 5-6HK$7,077
Mon 16-619:40HKG - ONT
2 stops19h 33mEVA Air
Fri 20-618:58ONT - HKG
2 stops22h 52mEVA Air
Deal found 5-6HK$7,352
Wed 18-600:45HKG - ONT
2 stops38h 01mDelta
Sun 31-806:00ONT - HKG
2 stops43h 20mDelta
Deal found 4-6HK$10,380
Wed 18-600:45HKG - ONT
2 stops31h 25mKorean Air
Thu 26-606:25ONT - HKG
2 stops25h 05mKorean Air
Deal found 4-6HK$10,404
Thu 20-1118:05HKG - ONT
2 stops35h 37mQatar Airways
Thu 8-111:30ONT - HKG
2 stops35h 20mQatar Airways
Deal found 5-6HK$11,345

Cheapflights Fare Finder

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 70,647 searches and data was last updated on 6 June 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 16-6

11:20-17:05

1 stop20h 45m

Ontario

Fri 20-6

23:10-09:55

1 stop19h 45m

HK$5,884

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 26-6

11:15-17:25

2 stops21h 10m

Ontario

Sat 12-7

05:05-18:55

2 stops22h 50m

HK$5,963

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 23-6

14:00-18:00

1 stop19h 00m

Ontario

Wed 30-7

00:45-10:05

1 stop18h 20m

HK$6,190

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 3-9

13:30-23:59

2 stops25h 29m

Ontario

Fri 19-9

19:22-12:05

2 stops25h 43m

HK$7,077

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 16-6

19:40-00:13

2 stops19h 33m

Ontario

Fri 20-6

18:58-08:50

2 stops22h 52m

HK$7,352

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 18-6

00:45-23:46

2 stops38h 01m

Ontario

Sun 31-8

06:00-16:20

2 stops43h 20m

HK$10,380

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 18-6

00:45-17:10

2 stops31h 25m

Ontario

Thu 26-6

06:25-22:30

2 stops25h 05m

HK$10,404

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 20-11

18:05-13:42

2 stops35h 37m

Ontario

Thu 8-1

11:30-14:50

2 stops35h 20m

HK$11,345

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 10-7

09:25-22:10

2 stops27h 45m

Ontario

Sun 10-8

14:31-23:00

2 stops41h 29m

HK$14,122

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 24-9

20:00-21:10

2 stops40h 10m

HK$3,617

Flights are sorted by cheapest return flights first.

Deals found on 4-6

Showing 1-10 of 18 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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

On average, a flight from Hong Kong to Ontario takes 15 hours 58 minutes. Flights to Ontario from other popular cities in Hong Kong 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 Hong Kong to Ontario is China 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 6 June 2025.
To help decide which airline to fly to Ontario, see what other customers have to say about 星宇航空, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
8.0
Very Good
星宇航空
9.1
Wonderful

Food

8.8

Overall

9.1

Comfort

9.0

Boarding

9.0

Entertainment

8.9

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

FAQs about flying to Ontario

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

    For a flight to Ontario, you will be flying into Ontario. Ontario (ONT) is just 4.9 km from the centre of the city.

  • 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, China Airlines is rated the highest out of the airlines that fly to Ontario.

  • Does Ontario have rental cars?

    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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How does Cheapflights help users find flights to Ontario?

Deals for Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Ontario?

Cheapflights helps you find that perfect flight to Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Ontario with no change fees?

Certainly. Search results for flights to Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Ontario flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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