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$387+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/28. 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.
Mon 4/1311:10 pm
ONT
-
HKG
1 stop31h 00m
Multiple Airlines
Fri 4/246:50 pm
HKG
-
ONT
1 stop37h 15m
Multiple Airlines
Deal found 1/28$736
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:10 pm
ONT
-
HKG
1 stop22h 50m
Multiple Airlines
Sat 4/258:35 am
HKG
-
ONT
1 stop23h 30m
Multiple Airlines
Deal found 1/27$739
This oojo deal was found by Cheapflights users on 1/27. 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.
Sat 8/111:45 pm
ONT
-
HKG
1 stop30h 25m
Multiple Airlines
Wed 8/1212:55 pm
HKG
-
ONT
1 stop19h 45m
Multiple Airlines
Deal found 1/27$754
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:10 pm
ONT
-
HKG
1 stop19h 50m
Multiple Airlines
Wed 5/2010:10 am
HKG
-
ONT
1 stop21h 55m
Multiple Airlines
Deal found 1/27$771
This oojo deal was found by Cheapflights users on 1/27. 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.
Sat 3/1410:45 pm
ONT
-
HKG
1 stop20h 30m
Multiple Airlines
Fri 3/204:35 pm
HKG
-
ONT
1 stop15h 15m
Multiple Airlines
Deal found 1/27$774
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:45 pm
ONT
-
HKG
1 stop24h 15m
Multiple Airlines
Wed 4/153:45 pm
HKG
-
ONT
1 stop16h 20m
Multiple Airlines
Deal found 1/28$777
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:10 pm
ONT
-
HKG
1 stop19h 50m
Multiple Airlines
Sun 4/1210:50 pm
HKG
-
ONT
1 stop33h 15m
Multiple Airlines
Deal found 1/26$791
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:45 pm
ONT
-
HKG
1 stop24h 15m
Multiple Airlines
Wed 3/189:30 am
HKG
-
ONT
1 stop22h 20m
Multiple Airlines
Deal found 1/27$796
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:45 pm
ONT
-
HKG
1 stop23h 15m
Multiple Airlines
Mon 4/273:45 pm
HKG
-
ONT
1 stop16h 20m
Multiple Airlines
Deal found 1/28$809
This oojo deal was found by Cheapflights users on 1/28. 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.
Mon 3/2311:50 pm
ONT
-
HKG
1 stop19h 35m
China Airlines
Wed 3/252:05 pm
HKG
-
ONT
1 stop18h 45m
China Airlines
Deal found 1/28$822
This oojo deal was found by Cheapflights users on 1/28. 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.
Mon 4/2011:10 pm
ONT
-
HKG
1 stop19h 50m
Multiple Airlines
Fri 5/18:10 pm
HKG
-
ONT
1 stop35h 55m
Multiple Airlines
Deal found 1/28$838
This oojo deal was found by Cheapflights users on 1/28. 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.
Tue 3/310:50 pm
ONT
-
HKG
1 stop19h 35m
China Airlines
Tue 3/179:10 pm
HKG
-
ONT
1 stop35h 40m
China Airlines
Deal found 1/28$850

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$736
(oojo)

One-way from

$387
(oojo)

Popular in

December

Cheapest in

August

Average price

$887
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. 14% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

Fly from

Ontario

Fly to

Hong Kong

Route

Depart

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 3/22

11:50 pm-4:35 pm

1 stop25h 45m

Hong Kong Intl

Tue 4/28

10:15 am-6:00 pm

1 stop22h 45m

$850

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 3/9

6:00 am-11:10 pm

2 stops26h 10m

Hong Kong Intl

Tue 4/14

12:45 am-11:44 pm

2 stops37h 59m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 3/3

7:30 am-4:50 pm

2 stops41h 20m

Hong Kong Intl

Tue 3/17

6:10 pm-10:34 pm

2 stops43h 24m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 2/16

6:00 am-11:10 pm

2 stops25h 10m

Hong Kong Intl

Sat 2/28

12:35 pm-10:37 pm

2 stops26h 02m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 2/16

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Fri 2/27

12:35 pm-11:49 pm

2 stops27h 14m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 2/14

6:00 am-11:10 pm

2 stops25h 10m

Hong Kong Intl

Mon 2/23

6:10 pm-11:49 pm

2 stops45h 39m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 2/16

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Thu 2/26

6:10 pm-10:37 pm

2 stops44h 27m

$940

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 3/16

6:00 am-11:10 pm

2 stops26h 10m

Hong Kong Intl

Tue 9/15

12:20 pm-5:16 pm

2 stops43h 56m

$943

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 3/25

6:00 am-11:10 pm

2 stops26h 10m

Hong Kong Intl

Thu 4/9

12:45 am-5:13 pm

2 stops31h 28m

$993

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 2/20

6:10 am-7:20 pm

1 stop21h 10m

Hong Kong Intl

Sun 2/22

10:35 am-12:38 pm

1 stop18h 03m

$1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 22 results
1
2
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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?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Hong Kong. Price data was last updated on January 23, 2026.

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 12 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, January is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $579). Flying from Ontario to Hong Kong in June is currently the most expensive (average of $896). 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 January 29, 2026.
Read through reviews of airlines operating flights from Ontario to Hong Kong, such as China Airlines, Cathay Pacific, 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
802 reviews

Comfort

8.0

Crew

8.5

Boarding

8.3

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

TPE - SFO

China Airlines has horrible customer services. The flight I was taking had many empty seats, but I got rejected many services with the excuses that the flight is fully booked. 1. When I was checking in at the front dest to request the seat together with my husband, I was told that the flight was fully booked. We need to pay almost extra $200 per person to sit together. 2. When I tried to use the VIP lounge with my mileage points, I was rejected. The reason was that the flight was fully booked.
China Airlines
8.3
Very good
802 reviews
China Airlines
8.3
Very good
802 reviews

Comfort

8.0

Crew

8.5

Boarding

8.3

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

TPE - SFO

China Airlines has horrible customer services. The flight I was taking had many empty seats, but I got rejected many services with the excuses that the flight is fully booked. 1. When I was checking in at the front dest to request the seat together with my husband, I was told that the flight was fully booked. We need to pay almost extra $200 per person to sit together. 2. When I tried to use the VIP lounge with my mileage points, I was rejected. The reason was that the flight was fully booked.
Cathay Pacific
7.6
Good
1,148 reviews
China Airlines
8.3
Very good
802 reviews

Comfort

8.0

Crew

8.5

Boarding

8.3

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

TPE - SFO

China Airlines has horrible customer services. The flight I was taking had many empty seats, but I got rejected many services with the excuses that the flight is fully booked. 1. When I was checking in at the front dest to request the seat together with my husband, I was told that the flight was fully booked. We need to pay almost extra $200 per person to sit together. 2. When I tried to use the VIP lounge with my mileage points, I was rejected. The reason was that the flight was fully booked.
United Airlines
7.4
Good
9,215 reviews
China Airlines
8.3
Very good
802 reviews

Comfort

8.0

Crew

8.5

Boarding

8.3

Food

7.8

Entertainment

8.0

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

TPE - SFO

China Airlines has horrible customer services. The flight I was taking had many empty seats, but I got rejected many services with the excuses that the flight is fully booked. 1. When I was checking in at the front dest to request the seat together with my husband, I was told that the flight was fully booked. We need to pay almost extra $200 per person to sit together. 2. When I tried to use the VIP lounge with my mileage points, I was rejected. The reason was that the flight was fully booked.

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.

  • How long is the flight from Ontario to Hong Kong?

    Departing from Ontario to Hong Kong will take you 25h 45m. The distance from Ontario to Hong Kong is about 7273 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, China Airlines ($833), United Airlines ($908), and Cathay Pacific ($938) offers the cheapest pricing from Ontario to Hong Kong. Users have found that China Airlines is 21% 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, January is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $579). Flying from Ontario to Hong Kong in June is currently the most expensive (average of $896). 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 3 airlines flying from Ontario to Hong Kong

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$833Average$918FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$908Average$1,218FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$938Average$1,216FlexibilityNo cancel feeOn-time72%

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