Find flights
Airlines
Travel Guide

HK$3,607+ 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 6-6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
30 Mar — 6 Apr1
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 25 March 2025.

Return from

HK$5,683

One-way from

HK$3,607

Popular in

August

Cheapest in

February

Average price

HK$6,422
8-4-17-4
  • 8-4-17-4
  • 3 total stops
  • 63h 50m total
  • Hong Kong to Los Angeles
Search Deals
星宇航空
  • 星宇航空
  • 6-6
  • 1 total stop
  • 20h 45m total
  • Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$13,792 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,581 potential savings vs. average return price).
Search Deals
Average for return flights in March 2025
Search Deals

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 25 March 2025.

Wed 11-611:20HKG - ONT
1 stop20h 45m星宇航空
Wed 23-723:45ONT - HKG
1 stop19h 10m星宇航空
Deal found 24-3HK$6,002
Wed 9-417:30HKG - ONT
1 stop15h 30mChina Airlines
Fri 18-400:10ONT - HKG
1 stop18h 05mChina Airlines
Deal found 25-3HK$6,150
Sun 6-411:15HKG - ONT
1 stop16h 00mUnited Airlines
Sun 6-415:55ONT - HKG
1 stop22h 05mUnited Airlines
Deal found 25-3HK$6,430
Tue 9-920:10HKG - ONT
1 stop35h 55mMultiple Airlines
Wed 5-1118:55ONT - HKG
2 stops23h 35mMultiple Airlines
Deal found 25-3HK$7,425
Mon 8-900:45HKG - ONT
2 stops37h 58mDelta
Wed 5-1114:00ONT - HKG
2 stops41h 10mDelta
Deal found 25-3HK$10,667
Sun 31-800:45HKG - ONT
2 stops36h 56mKorean Air
Mon 22-907:00ONT - HKG
2 stops24h 30mKorean Air
Deal found 24-3HK$10,768
Wed 7-501:25HKG - ONT
2 stops37h 34mQatar Airways
Thu 15-506:00ONT - HKG
2 stops48h 55mQatar Airways
Deal found 24-3HK$11,320
Sun 4-501:20HKG - ONT
2 stops29h 12mJapan Airlines
Mon 26-506:00ONT - HKG
2 stops25h 00mJapan Airlines
Deal found 24-3HK$12,432
Mon 22-1222:45HKG - ONT
2 stops35h 03mBritish Airways
Thu 1-117:03ONT - HKG
2 stops29h 27mBritish Airways
Deal found 24-3HK$15,308
Sat 31-509:25HKG - ONT
2 stops29h 18mAmerican Airlines
Thu 12-600:59ONT - HKG
2 stops31h 01mAmerican Airlines
Deal found 24-3HK$16,132

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 25 March 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

Wed 11-6

11:20-17:05

1 stop20h 45m

Ontario

Wed 23-7

23:45-09:55

1 stop19h 10m

HK$6,002

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 9-4

17:30-18:00

1 stop15h 30m

Ontario

Fri 18-4

00:10-09:15

1 stop18h 05m

HK$6,150

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 6-4

11:15-12:15

1 stop16h 00m

Ontario

Sun 6-4

15:55-05:00

1 stop22h 05m

HK$6,430

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 9-9

20:10-17:05

1 stop35h 55m

Ontario

Wed 5-11

18:55-10:30

2 stops23h 35m

HK$7,425

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 8-9

00:45-23:43

2 stops37h 58m

Ontario

Wed 5-11

14:00-23:10

2 stops41h 10m

HK$10,667

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 31-8

00:45-22:41

2 stops36h 56m

Ontario

Mon 22-9

07:00-22:30

2 stops24h 30m

HK$10,768

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 7-5

01:25-23:59

2 stops37h 34m

Ontario

Thu 15-5

06:00-21:55

2 stops48h 55m

HK$11,320

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 4-5

01:20-15:32

2 stops29h 12m

Ontario

Mon 26-5

06:00-22:00

2 stops25h 00m

HK$12,432

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 31-5

09:25-23:43

2 stops29h 18m

Ontario

Thu 12-6

00:59-23:00

2 stops31h 01m

HK$16,132

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 6-6

11:20-17:05

1 stop20h 45m

HK$3,607

Flights are sorted by cheapest return flights first.

Deals found on 25-3

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 24 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 most popular airlines that fly to Ontario?

The most popular airline flying from Hong Kong to Ontario is China Airlines.

China Airlines

China Airlines

From HK$759

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 25 March 2025.
To help decide which airline to fly to Ontario, see what other customers have to say about 星宇航空, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very Good
1,047 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very Good
1,440 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very Good
722 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Delta
8.0
Very Good
7,890 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.