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HK$3,692+ 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 17-6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
21 Mar — 28 Mar1
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 16 March 2025.

Return from

HK$5,751

One-way from

HK$3,692

Popular in

August

Cheapest in

February

Average price

HK$6,420
星宇航空
  • 星宇航空
  • 26-4-3-5
  • 2 total stops
  • 34h 20m total
  • Hong Kong to Los Angeles
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星宇航空
  • 星宇航空
  • 17-6
  • 1 total stop
  • 35h 55m total
  • Hong Kong to Ontario
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Highest demand for flights based on searches. 18% potential increase in price (HK$13,766 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,587 potential savings vs. average return price).
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Average for return flights in March 2025
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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 16 March 2025.

Mon 14-417:30HKG - ONT
1 stop15h 30mChina Airlines
Mon 28-400:10ONT - HKG
1 stop18h 55mChina Airlines
Deal found 15-3HK$6,194
Mon 30-611:20HKG - ONT
1 stop20h 45m星宇航空
Sat 16-823:45ONT - HKG
1 stop19h 10m星宇航空
Deal found 16-3HK$6,257
Mon 14-422:30HKG - ONT
1 stop15h 25mUnited Airlines
Tue 29-413:35ONT - HKG
2 stops24h 25mUnited Airlines
Deal found 15-3HK$6,474
Sat 17-515:25HKG - ONT
2 stops34h 32mMultiple Airlines
Sat 12-718:51ONT - HKG
2 stops24h 14mMultiple Airlines
Deal found 16-3HK$8,542
Mon 14-410:40HKG - ONT
2 stops22h 43mJapan Airlines
Tue 29-406:00ONT - HKG
2 stops25h 00mJapan Airlines
Deal found 15-3HK$10,881
Fri 16-500:45HKG - ONT
2 stops52h 10mDelta
Sat 12-707:00ONT - HKG
2 stops24h 30mDelta
Deal found 16-3HK$11,464
Mon 30-600:45HKG - ONT
2 stops31h 37mKorean Air
Thu 31-707:00ONT - HKG
2 stops24h 30mKorean Air
Deal found 16-3HK$13,042
Thu 5-609:25HKG - ONT
2 stops24h 36mAmerican Airlines
Tue 10-623:59ONT - HKG
2 stops32h 01mAmerican Airlines
Deal found 16-3HK$13,694
Sun 13-401:25HKG - ONT
2 stops32h 04mQatar Airways
Tue 29-406:00ONT - HKG
2 stops48h 55mQatar Airways
Deal found 15-3HK$14,013

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 70,647 searches and data was last updated on 16 March 2025.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 14-4

17:30-18:00

1 stop15h 30m

Ontario

Mon 28-4

00:10-10:05

1 stop18h 55m

HK$6,194

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 30-6

11:20-17:05

1 stop20h 45m

Ontario

Sat 16-8

23:45-09:55

1 stop19h 10m

HK$6,257

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 14-4

22:30-22:55

1 stop15h 25m

Ontario

Tue 29-4

13:35-05:00

2 stops24h 25m

HK$6,474

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 17-5

15:25-10:57

2 stops34h 32m

Ontario

Sat 12-7

18:51-10:05

2 stops24h 14m

HK$8,542

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 14-4

10:40-18:23

2 stops22h 43m

Ontario

Tue 29-4

06:00-22:00

2 stops25h 00m

HK$10,881

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 16-5

00:45-13:55

2 stops52h 10m

Ontario

Sat 12-7

07:00-22:30

2 stops24h 30m

HK$11,464

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 30-6

00:45-17:22

2 stops31h 37m

Ontario

Thu 31-7

07:00-22:30

2 stops24h 30m

HK$13,042

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 5-6

09:25-19:01

2 stops24h 36m

Ontario

Tue 10-6

23:59-23:00

2 stops32h 01m

HK$13,694

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 13-4

01:25-18:29

2 stops32h 04m

Ontario

Tue 29-4

06:00-21:55

2 stops48h 55m

HK$14,013

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 17-6

20:10-17:05

1 stop35h 55m

HK$3,692

Flights are sorted by cheapest return flights first.

Deals found on 15-3

Showing 1-10 of 17 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 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 16 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

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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
1,043 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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
1,437 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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
723 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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
7,919 reviews
星宇航空
9.1
Wonderful
Check prices

Boarding

9.1

Overall

9.1

Food

9.0

Crew

9.3

Entertainment

9.1

Comfort

9.0

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

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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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