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HK$404+ 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 9-4. 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.
ONT — HKG
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Cheapest round-trip flight

HK$364

Cheapest airline

Hawaiian Airlines
The cheapest round-trip flight from Ontario is currently to San Jose.
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On average, Hawaiian Airlines currently has the cheapest one-way flight from Ontario (avg. price of HK$1,884).
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Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.

Tue 6-522:59ONT - JFK
Nonstop5h 20mJetBlue
Sat 10-518:00JFK - ONT
Nonstop6h 11mJetBlue
Deal found 25-3HK$1,889
Wed 30-413:20ONT - EWR
1 stop8h 38mUnited Airlines
Wed 7-506:00EWR - ONT
1 stop9h 38mUnited Airlines
Deal found 24-3HK$2,076
Fri 2-516:29ONT - JFK
1 stop10h 31mHawaiian Airlines
Wed 7-507:20JFK - ONT
1 stop11h 12mHawaiian Airlines
Deal found 25-3HK$2,145
Mon 14-422:15ONT - EWR
1 stop7h 44mDelta
Mon 21-419:00EWR - ONT
1 stop7h 41mDelta
Deal found 24-3HK$2,153
Wed 16-411:45ONT - JFK
1 stop9h 43mDelta
Tue 22-407:00JFK - ONT
1 stop9h 55mDelta
Deal found 25-3HK$2,153
Mon 5-518:24ONT - EWR
1 stop17h 35mAlaska Airlines
Fri 9-517:30EWR - ONT
1 stop9h 28mAlaska Airlines
Deal found 24-3HK$2,301
Sat 10-516:29ONT - JFK
1 stop10h 31mAlaska Airlines
Wed 14-507:20JFK - ONT
1 stop11h 12mAlaska Airlines
Deal found 24-3HK$2,301
Mon 12-513:20ONT - TPA
1 stop6h 35mSouthwest
Sat 17-508:10TPA - ONT
1 stop6h 50mSouthwest
Deal found 23-3HK$2,425
Fri 2-518:48ONT - TPA
1 stop10h 07mUnited Airlines
Tue 6-511:51TPA - ONT
2 stops12h 02mUnited Airlines
Deal found 24-3HK$2,697
Thu 1-517:30ONT - TPA
2 stops12h 22mDelta
Mon 5-509:05TPA - ONT
1 stop10h 39mDelta
Deal found 24-3HK$2,853
Sat 26-407:00ONT - JFK
1 stop7h 30mAmerican Airlines
Sat 3-512:59JFK - ONT
1 stop8h 21mAmerican Airlines
Deal found 24-3HK$2,931
Sun 7-915:00ONT - TPA
1 stop11h 55mAlaska Airlines
Thu 11-918:58TPA - ONT
1 stop18h 47mAlaska Airlines
Deal found 24-3HK$3,001

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 25 March 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 6-5

22:59-07:19

Nonstop5h 20m

New York John F Kennedy Intl

Sat 10-5

18:00-21:11

Nonstop6h 11m

HK$1,889

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 30-4

13:20-00:58

1 stop8h 38m

Newark

Wed 7-5

06:00-12:38

1 stop9h 38m

HK$2,076

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 2-5

16:29-06:00

1 stop10h 31m

New York John F Kennedy Intl

Wed 7-5

07:20-15:32

1 stop11h 12m

HK$2,145

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 14-4

22:15-08:59

1 stop7h 44m

Newark

Mon 21-4

19:00-23:41

1 stop7h 41m

HK$2,153

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 16-4

12:07-22:30

1 stop7h 23m

New York John F Kennedy Intl

Mon 21-4

06:30-12:16

1 stop8h 46m

HK$2,153

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Mon 5-5

18:24-14:59

1 stop17h 35m

Newark

Fri 9-5

17:30-23:58

1 stop9h 28m

HK$2,301

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 10-5

16:29-06:00

1 stop10h 31m

New York John F Kennedy Intl

Wed 14-5

07:20-15:32

1 stop11h 12m

HK$2,301

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Mon 12-5

13:20-22:55

1 stop6h 35m

Tampa

Sat 17-5

08:10-12:00

1 stop6h 50m

HK$2,425

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Fri 2-5

18:48-07:55

1 stop10h 07m

Tampa

Tue 6-5

11:51-20:53

2 stops12h 02m

HK$2,697

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Thu 1-5

17:30-08:52

2 stops12h 22m

Tampa

Mon 5-5

09:05-16:44

1 stop10h 39m

HK$2,853

Flights are sorted by cheapest return flights first.

Deals found on 25-3

Showing 1-10 of 55 results
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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.
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 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 21 March 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$4,330). Flying from Ontario in July will prove the most costly (average of HK$6,390). 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.

China Airlines

China Airlines

From HK$909

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.
星宇航空
9.1
Wonderful
Check prices

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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
1,047 reviews
星宇航空
9.1
Wonderful
Check prices

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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
1,440 reviews
星宇航空
9.1
Wonderful
Check prices

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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
722 reviews
星宇航空
9.1
Wonderful
Check prices

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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
7,890 reviews
星宇航空
9.1
Wonderful
Check prices

Food

8.9

Crew

9.3

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

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.

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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 25 March 2025.

  • What are the most popular destinations to fly to from Ontario?

    This month, the top selected destinations from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. Throughout the year, Denver, Dallas/Fort Worth Airport, Guadalajara are some of the top choices made by users flying from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is August. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Ontario?

    Check out the cheapest flights from Ontario to embark to:
    Fly from Ontario to Hong Kong from HK$7,641 round trip

  • 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.

See more FAQs

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.

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