Find flights
Deals

HK$916+ 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 23-6. 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
10 Jun — 17 Jun1
1 adult
1 adult, Economy, 0 bags

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

Fly to

Route

Departure

Return

Price

Cheapest return flight

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 29-9

12:00-00:05

1 stop9h 05m

Newark

Tue 6-10

14:30-22:14

1 stop10h 44m

HK$2,482

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 23-10

18:54-06:59

1 stop9h 05m

Newark

Tue 27-10

17:41-23:53

1 stop9h 12m

HK$2,889

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 31-7

17:10-06:00

1 stop9h 50m

Newark

Tue 11-8

06:00-10:42

1 stop7h 42m

HK$2,951

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9-6

22:41-07:10

Nonstop5h 29m

New York John F Kennedy Intl

Thu 11-6

19:37-22:43

Nonstop6h 06m

HK$2,990

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 27-5

06:00-18:26

1 stop9h 26m

Newark

Wed 3-6

18:29-11:10

1 stop19h 41m

HK$3,108

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 26-6

17:21-06:23

1 stop10h 02m

New York John F Kennedy Intl

Tue 7-7

06:00-12:10

1 stop9h 10m

HK$3,116

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 28-6

23:56-08:20

Nonstop5h 24m

New York John F Kennedy Intl

Tue 7-7

19:30-22:35

Nonstop6h 05m

HK$3,186

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 3-6

22:00-08:53

1 stop7h 53m

Tampa

Mon 8-6

16:32-21:48

1 stop8h 16m

HK$3,194

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 18-8

05:45-18:34

1 stop9h 49m

Newark

Mon 24-8

13:15-20:52

1 stop10h 37m

HK$3,264

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 28-8

18:05-06:04

1 stop8h 59m

New York John F Kennedy Intl

Mon 31-8

07:25-14:11

1 stop9h 46m

HK$3,288

Flights are sorted by cheapest return flights first.

Deals found on 9-5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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?

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 76 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, February is the cheapest month in which you can book a flight from Ontario (average of HK$6,615). Flying from Ontario in December will prove the most costly (average of HK$15,312). 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 Seattle (124 flights per day), Dallas (112 flights per day) and Atlanta (97 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,888

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$1,888. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,888

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from California

Book a direct flight from one of these other cities located in California.
Direct flights from Los Angeles
Direct flights from San Francisco
Direct flights from San Diego
Direct flights from San Jose

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 11 May 2026.

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

    This month, the top selected destinations from Ontario are Las Vegas, Dallas/Fort Worth Airport, Guadalajara. Throughout the year, Las Vegas, Dallas/Fort Worth Airport, Denver 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$1,888 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$1,888 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is February. The most expensive month for flights is December. 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$8,486 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.