HK$447+ Cheap flights from Ontario
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29-7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What to know about flights from Ontario
Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 2 July 2025.
Cheapest round-trip flight | HK$368 |
---|---|
Cheapest airline | Delta |
Good one-way deal | HK$357 or less |
Find flights from Ontario
Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 2 July 2025.
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 2 July 2025.
Find flights from Ontario within your budget
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 2 July 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches
Fly to
Route
Departure
Return
Price
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 7-8
23:59-08:30
Nonstop5h 31m
New York John F Kennedy Intl
Mon 25-8
18:50-21:59
Nonstop6h 09m
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Sat 26-7
17:13-05:30
1 stop9h 17m
New York John F Kennedy Intl
Mon 28-7
06:59-20:52
1 stop16h 53m
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Wed 6-8
18:39-05:37
1 stop7h 58m
Newark
Wed 13-8
06:30-12:32
1 stop9h 02m
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Mon 4-8
22:05-10:50
1 stop9h 45m
Newark
Thu 7-8
06:00-10:30
1 stop7h 30m
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Fri 25-7
22:05-10:20
1 stop9h 15m
New York John F Kennedy Intl
Wed 6-8
15:40-22:27
1 stop9h 47m
OntarioNewark
ONT - EWR
ONTEWR
Ontario
Wed 12-11
06:00-18:29
1 stop9h 29m
Newark
Sun 16-11
07:30-15:14
1 stop10h 44m
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Tue 21-10
06:00-19:24
1 stop10h 24m
New York John F Kennedy Intl
Mon 27-10
07:00-15:14
1 stop11h 14m
OntarioTampa
ONT - TPA
ONTTPA
Ontario
Tue 23-9
06:00-18:09
1 stop9h 09m
Tampa
Tue 30-9
07:35-14:12
1 stop9h 37m
OntarioTampa
ONT - TPA
ONTTPA
Ontario
Wed 30-7
22:05-09:56
1 stop8h 51m
Tampa
Wed 6-8
07:15-12:14
1 stop7h 59m
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Thu 24-7
00:59-13:56
1 stop9h 57m
New York John F Kennedy Intl
Mon 28-7
14:40-21:38
1 stop9h 58m
Best time to book a flight from Ontario
Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Travel insights for flights from Ontario
Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Ontario?
Use this chart to determine the optimal time to book a return flight from Ontario to Hong Kong. Price data was last updated on 27 June 2025.
The price you pay for your flight from Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 90 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?
Currently, August is the cheapest month in which you can book a flight from Ontario (average of HK$4,278). Flying from Ontario in June will prove the most costly (average of HK$7,332). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Ontario?
Only one airline operates round-trip flights from Ontario: China Airlines. This airline flies to the following popular destinations: Hong Kong.
What are popular destinations to fly to from Ontario?
If you’re flying from Ontario, these routes are more frequently taken by airlines Seattle (152 flights per day), Dallas (134 flights per day) and Atlanta (86 flights per day).
What is the cheapest place to fly to from Ontario?
The cheapest city to fly to from Ontario is Las Vegas Harry Reid Intl, with prices starting at HK$357. Explore other affordable destinations below.
Airline reviews for flights from Ontario
Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 70,647 searches.
Get a feel of what it's like to fly with 星宇航空, Korean Air, andJapan Airlines from Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
ltulagan,Jun 2025
TPE - SEA
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Related info for your journey
Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 July 2025.
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 from Ontario?
Deals for flights from Ontario 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 from Ontario?
Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Ontario with no change fees?
Yes! Cheapflights helps users easily find flights from Ontario with no change fees.
Can Cheapflights notify me if prices for flights from Ontario become cheaper?
Not ready to book yet? You can track prices for flights from Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.