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$485+ Cheap flights from Ontario (ONT) to Hong Kong

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap flight deals from Ontario to Hong Kong

Cheapest flights from Ontario to Hong Kong
Explore the most affordable flight options available from Ontario to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am
ONT
-
HKG
2 stops25h 40m
Multiple Airlines
Wed 11/118:55 pm
HKG
-
ONT
2 stops37h 18m
Multiple Airlines
Deal found 4/30$929
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am
ONT
-
HKG
2 stops24h 40m
Multiple Airlines
Mon 2/152:05 pm
HKG
-
ONT
2 stops37h 04m
Multiple Airlines
Deal found 5/4$938
This Orbitz deal was found by Cheapflights users on 5/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
ONT
-
HKG
2 stops26h 00m
Multiple Airlines
Mon 9/212:20 pm
HKG
-
ONT
2 stops43h 43m
Multiple Airlines
Deal found 5/3$967
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:58 pm
ONT
-
HKG
2 stops35h 42m
Multiple Airlines
Fri 12/41:10 pm
HKG
-
ONT
2 stops25h 29m
Multiple Airlines
Deal found 5/2$989
This Orbitz deal was found by Cheapflights users on 5/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
ONT
-
HKG
2 stops26h 30m
Multiple Airlines
Thu 10/11:00 pm
HKG
-
ONT
2 stops25h 24m
Multiple Airlines
Deal found 5/4$1,003
This Fareboom deal was found by Cheapflights users on 5/4. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:20 pm
ONT
-
HKG
2 stops50h 50m
Qatar Airways
Tue 9/151:25 am
HKG
-
ONT
2 stops32h 38m
Qatar Airways
Deal found 5/4$1,061
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am
ONT
-
HKG
2 stops26h 30m
Multiple Airlines
Fri 10/301:10 pm
HKG
-
ONT
2 stops24h 29m
Multiple Airlines
Deal found 5/1$1,077
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am
ONT
-
HKG
2 stops24h 40m
Multiple Airlines
Sun 12/275:35 pm
HKG
-
ONT
1 stop15h 15m
Multiple Airlines
Deal found 5/4$1,085
This CrystalTravel deal was found by Cheapflights users on 5/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:50 pm
ONT
-
HKG
1 stop29h 20m
China Airlines
Mon 2/1510:20 am
HKG
-
ONT
1 stop22h 30m
China Airlines
Deal found 5/4$1,088

Find flight deals from Ontario to Hong Kong

Keep the following information in mind while searching for Ontario to Hong Kong flight deals. Data was last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$929
(Expedia)

One-way from

$485
(Travelocity)

Popular in

December

Cheapest in

February

Average price

$976
Provider with most accurate pricing for Los Angeles-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Hong Kong Intl flights.
Search Deals
From Ontario to Hong Kong
Search Deals
One-way flight from Ontario to Hong Kong
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Hong Kong 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 May 5, 2026.
Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 5/18

6:45 am-4:20 pm

2 stops42h 35m

Hong Kong Intl

Tue 6/2

5:55 pm-5:08 pm

2 stops38h 13m

$1,295

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 5/16

6:59 pm-5:00 am

1 stop19h 01m

Hong Kong Intl

Sat 5/23

11:45 am-8:42 pm

2 stops23h 57m

$1,385

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 10/30

5:00 am-7:20 pm

2 stops23h 20m

Hong Kong Intl

Sun 11/15

10:30 pm-11:06 pm

1 stop16h 36m

$1,385

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 7/28

4:20 pm-5:00 am

1 stop21h 40m

Hong Kong Intl

Thu 8/13

11:45 am-12:38 pm

2 stops39h 53m

$1,438

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 8/1

1:18 pm-5:00 am

2 stops24h 42m

Hong Kong Intl

Tue 8/11

10:30 pm-8:52 pm

2 stops37h 22m

$1,479

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 6/14

6:30 pm-6:55 pm

2 stops33h 25m

Hong Kong Intl

Sun 7/5

11:45 am-10:37 pm

1 stop25h 52m

$1,483

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 5/28

6:30 pm-6:55 pm

2 stops33h 25m

Hong Kong Intl

Thu 6/4

11:45 am-8:46 pm

2 stops24h 01m

$1,488

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 7/29

6:02 am-3:10 pm

2 stops42h 08m

Hong Kong Intl

Mon 8/10

1:25 am-11:11 pm

2 stops36h 46m

$1,521

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 7/1

6:00 am-6:55 pm

1 stop21h 55m

Hong Kong Intl

Sun 7/5

11:45 am-10:37 pm

1 stop25h 52m

$1,536
Quickest round-trip

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 7/1

12:45 am-9:15 am

1 stop17h 30m

Hong Kong Intl

Mon 7/6

5:35 pm-6:40 pm

1 stop16h 05m

$1,540

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Ontario to Hong Kong

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

How far ahead should I book a flight from Ontario to Hong Kong?

The price you pay for your flight from Ontario to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, June is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $489). Flying from Ontario to Hong Kong in December is currently the most expensive (average of $1,168). 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.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. 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 Hong Kong. Reviews last updated May 5, 2026.
Read through reviews of airlines operating flights from Ontario to Hong Kong, such as China Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
819 reviews

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very good
819 reviews
China Airlines
8.3
Very good
819 reviews

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
United Airlines
7.4
Good
9,681 reviews
China Airlines
8.3
Very good
819 reviews

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Hong Kong. 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 from for flights from Ontario to Hong Kong?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Hong Kong.

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

    According to our current data, China Airlines ($825), and United Airlines ($908) offers the cheapest pricing from Ontario to Hong Kong. Users have found that China Airlines is 20% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $489). Flying from Ontario to Hong Kong in December is currently the most expensive (average of $1,168). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ontario to Hong Kong

Discover the top 2 airlines that operate flights from Ontario to Hong Kong. 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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$825Average$897FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$908Average$1,116FlexibilityNo cancel feeOn-time69%

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