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Ontario

$465+ Cheap flights from Hong Kong 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Hong Kong to Ontario

Keep the following information in mind while searching for Hong Kong to Ontario flight deals. Data was last updated junio 12, 2025.

Round-trip from

$751
(Booking.com)

One-way from

$465
(Booking.com)

Popular in

November

Cheapest in

March

Average price

$788
From Hong Kong to Ontario
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One-way flight from Hong Kong to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Hong Kong to Ontario

Cheapest flights from Hong Kong to Ontario
Explore the most affordable flight options available from Hong Kong to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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.
jue. 6/128:10 pmHKG - ONT
1 stop35h 55mSTARLUX Airlines
mié. 6/2511:10 pmONT - HKG
1 stop28h 45mSTARLUX Airlines
Deal found 6/10$738
This China Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 11/311:05 amHKG - ONT
1 stop21h 45mChina Airlines
vie. 11/2810:45 pmONT - HKG
1 stop18h 30mChina Airlines
Deal found 6/10$758
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 6/2111:15 amHKG - ONT
1 stop15h 59mUnited Airlines
sáb. 6/286:28 pmONT - HKG
2 stops33h 27mUnited Airlines
Deal found 6/11$760
This flugladen.de deal was found by Cheapflights users on 6/12. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/141:25 pmHKG - ONT
1 stop18h 40mMultiple Airlines
vie. 6/2711:10 pmONT - HKG
1 stop19h 45mMultiple Airlines
Deal found 6/12$819
This Kissandfly.com deal was found by Cheapflights users on 6/10. 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.
jue. 6/1210:30 pmHKG - ONT
2 stops33h 55mLufthansa
sáb. 6/286:28 pmONT - HKG
2 stops33h 27mLufthansa
Deal found 6/10$875
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 6/1812:45 amHKG - ONT
2 stops38h 01mDelta
dom. 8/316:05 pmONT - HKG
2 stops37h 25mDelta
Deal found 6/11$1,322
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1710:40 amHKG - ONT
2 stops28h 19mAmerican Airlines
vie. 6/2012:59 amONT - HKG
2 stops30h 01mAmerican Airlines
Deal found 6/11$1,381
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/121:25 amHKG - ONT
2 stops32h 29mQatar Airways
sáb. 9/2710:54 amONT - HKG
2 stops43h 51mQatar Airways
Deal found 6/10$1,466
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/2012:45 amHKG - ONT
2 stops31h 25mKorean Air
lun. 7/216:25 amONT - HKG
2 stops25h 05mKorean Air
Deal found 6/12$1,606

Cheapflights Fare Finder

Customize your flight search to find flights from Hong Kong 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 junio 12, 2025.
Use the filters below to find and compare flights from Hong Kong to Ontario that are best for you.

Fly from

Hong Kong

Fly to

Ontario

Route

Depart

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

sáb. 9/13

11:20 am-5:05 pm

1 stop20h 45m

Ontario

sáb. 9/27

11:10 pm-9:55 am

1 stop19h 45m

$751

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

lun. 11/3

11:05 am-4:50 pm

1 stop21h 45m

Ontario

vie. 11/28

10:45 pm-9:15 am

1 stop18h 30m

$758

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 6/27

11:15 am-8:54 pm

2 stops24h 39m

Ontario

vie. 7/4

5:05 am-6:55 pm

2 stops22h 50m

$760

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

jue. 7/17

10:35 pm-6:40 pm

2 stops35h 05m

Ontario

jue. 7/31

12:45 am-11:35 pm

2 stops31h 50m

$1,068

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

dom. 11/2

12:55 am-5:17 pm

2 stops32h 22m

Ontario

vie. 11/28

5:51 pm-11:10 pm

2 stops37h 19m

$1,322

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 9/12

1:25 am-6:54 pm

2 stops32h 29m

Ontario

sáb. 9/27

10:54 am-9:45 pm

2 stops43h 51m

$1,466

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 7/25

12:45 am-5:16 pm

2 stops31h 31m

Ontario

vie. 8/8

6:25 am-10:30 pm

2 stops25h 05m

$1,718

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

jue. 6/26

6:00 pm-12:14 pm

2 stops33h 14m

Ontario

jue. 3/12

6:00 am-5:40 pm

2 stops20h 40m

$5,866

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

mar. 6/17

8:10 pm-5:05 pm

1 stop35h 55m

$465

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

sáb. 9/20

11:05 am-6:00 pm

1 stop21h 55m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results
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Best time to book a flight from Hong Kong to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Hong Kong 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 Hong Kong to Ontario

What is the cheapest month to book a flight from Hong Kong to Ontario?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Ontario (average of $246). Flying from Hong Kong 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 HK to ONT?

Find hourly flight availability from Hong Kong 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 junio 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

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 junio 12, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Hong Kong to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Delta
8.0
Very good
7,946 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Entertainment

8.9

Comfort

9.0

Food

8.8

Boarding

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong 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 Hong Kong?

    If you book a flight to Ontario from Hong Kong, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • What are the cheapest airlines flying from Hong Kong to Ontario round-trip?

    Cheapflights users have booked flights from Hong Kong to Ontario round-trip from $751. Other airlines that can offer you cheap pricing are China Airlines, from $758, and United Airlines, from $760. You may be able to fly from Hong Kong to Ontario for 24% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Hong Kong to Ontario one-way?

    The cheapest airlines for a one-way flight from Hong Kong to Ontario are STARLUX Airlines ($465), China Airlines ($472), and EVA Air ($555).

  • Can I find deals for flights from Hong Kong to Ontario that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Ontario.

  • Can I find deals for business class flights from Hong Kong to Ontario?

    Yes. Cheapflights offers flight deals from Hong Kong 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 Hong Kong to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to Ontario (average of $246). Flying from Hong Kong 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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Top airline flying from Hong Kong to Ontario

Discover the top airline that operate flights from Hong Kong 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$768Average$1,094FlexibilityNo cancel feeOn-time70%

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