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HK$537+ 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 22-2. 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
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Cheapest airline

Delta

Good round-trip deal

HK$1,878 or less
On average, Delta currently has the cheapest one-way flight from Ontario (avg. price of HK$1,394).
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Price to beat on a round-trip flight from Ontario.
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Find flights from Ontario

Enter your travel dates to find the best prices.

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 8 January 2026.

Tue 3-321:00ONT - TPA
2 stops8h 55mSouthwest
Tue 10-315:40TPA - ONT
2 stops9h 55mSouthwest
Deal found 8-1HK$1,604
Tue 17-208:00ONT - TPA
1 stop7h 00mUnited Airlines
Thu 19-206:00TPA - ONT
1 stop9h 38mUnited Airlines
Deal found 6-1HK$1,643
Thu 12-207:10ONT - TPA
2 stops7h 45mSouthwest
Tue 17-205:35TPA - ONT
1 stop7h 00mSouthwest
Deal found 7-1HK$1,713
Thu 12-313:10ONT - TPA
1 stop8h 55mSouthwest
Mon 23-319:00TPA - ONT
1 stop7h 35mSouthwest
Deal found 7-1HK$1,830
Thu 5-314:50ONT - TPA
1 stop7h 15mSouthwest
Mon 9-316:55TPA - ONT
2 stops8h 30mSouthwest
Deal found 7-1HK$1,869
Tue 24-206:14ONT - JFK
1 stop9h 56mAlaska Airlines
Tue 3-317:00JFK - ONT
1 stop9h 52mAlaska Airlines
Deal found 7-1HK$1,955
Wed 18-206:14ONT - JFK
1 stop9h 56mAlaska Airlines
Fri 20-217:00JFK - ONT
1 stop9h 52mAlaska Airlines
Deal found 8-1HK$1,978
Tue 10-212:41ONT - TPA
1 stop8h 44mDelta
Tue 24-214:51TPA - ONT
1 stop9h 14mDelta
Deal found 7-1HK$2,001
Thu 29-106:00ONT - JFK
1 stop10h 28mAlaska Airlines
Fri 30-116:22JFK - ONT
1 stop10h 34mAlaska Airlines
Deal found 8-1HK$2,001
Mon 26-122:30ONT - JFK
1 stop9h 45mDelta
Fri 30-115:20JFK - ONT
1 stop8h 45mDelta
Deal found 6-1HK$2,009
Mon 26-122:30ONT - JFK
1 stop9h 45mDelta
Tue 3-215:20JFK - ONT
1 stop8h 45mDelta
Deal found 7-1HK$2,017
Thu 5-206:00ONT - TPA
2 stops9h 54mDelta
Wed 11-215:55TPA - ONT
1 stop8h 10mDelta
Deal found 7-1HK$2,040

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 8 January 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Tue 17-2

08:00-18:00

1 stop7h 00m

Tampa

Thu 19-2

06:00-12:38

1 stop9h 38m

HK$1,643

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Mon 13-4

13:55-00:40

1 stop7h 45m

Tampa

Thu 23-4

06:15-11:20

1 stop8h 05m

HK$1,830

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Thu 12-3

13:10-01:05

1 stop8h 55m

Tampa

Mon 23-3

19:00-23:35

1 stop7h 35m

HK$1,830

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Thu 5-3

14:50-01:05

1 stop7h 15m

Tampa

Mon 9-3

16:55-22:25

2 stops8h 30m

HK$1,869

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 18-2

06:14-19:10

1 stop9h 56m

New York John F Kennedy Intl

Mon 23-2

17:00-23:52

1 stop9h 52m

HK$1,978

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 31-1

13:46-15:18

1 stop22h 32m

New York John F Kennedy Intl

Mon 2-2

16:22-23:56

1 stop10h 34m

HK$1,978

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 11-2

12:41-00:25

1 stop8h 44m

Tampa

Tue 24-2

13:47-21:05

1 stop10h 18m

HK$2,001

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 11-2

12:41-00:25

1 stop8h 44m

Tampa

Thu 19-2

14:51-21:05

1 stop9h 14m

HK$2,001

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 10-3

06:14-19:10

1 stop9h 56m

New York John F Kennedy Intl

Fri 13-3

17:00-23:52

1 stop9h 52m

HK$2,001

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 3-2

22:30-08:32

1 stop7h 02m

New York John F Kennedy Intl

Sun 8-2

06:00-11:31

1 stop8h 31m

HK$2,001

Flights are sorted by cheapest return flights first.

Deals found on 7-1

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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 2 January 2026.

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 20 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, January is the cheapest month in which you can book a flight from Ontario (average of HK$4,594). Flying from Ontario in June will prove the most costly (average of HK$6,977). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

If you’re flying from Ontario, these routes are more frequently taken by airlines Dallas (88 flights per day), Seattle (65 flights per day) and Atlanta (63 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,878

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Seattle/Tacoma Intl, with prices starting at HK$1,878. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,878

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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 8 January 2026.

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

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

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as HK$1,878 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$1,878 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is January. The most expensive month for flights is June. 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$4,999 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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