What airport do you fly into for flights to Ontario?

For a flight to Ontario, you will be flying into Ontario. Ontario (ONT) is just 4.9 km from the centre of the city.

Can I find cheaper flights to Ontario if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Ontario?

Based on reviews from Cheapflights users, China Airlines is rated the highest out of the airlines that fly to Ontario.

Does Ontario have rental cars?

Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Ontario?

Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

HK$3,564+ Flights to Ontario, California

Flights to Ontario in 2025

Return from	HK$5,817
One-way from	HK$3,564
Popular in	August
Cheapest in	March
Average price	HK$9,577

Philippine Airlines
21-8-28-8
2 total stops
47h 40m total
Hong Kong to Los Angeles

Search Deals

星宇航空
23-9
1 total stop
35h 55m total
Hong Kong to Ontario

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (HK$14,600 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (HK$3,023 potential savings vs. average return price).

Search Deals

Average for return flights in July 2025

Search Deals

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 July 2025.

Sat 20-911:20HKG - ONT

1 stop20h 45m星宇航空

Sat 22-1121:45ONT - HKG

1 stop20h 25m星宇航空

Deal found 8-7HK$5,738

Mon 3-1121:10HKG - ONT

1 stop35h 40mChina Airlines

Fri 28-1122:45ONT - HKG

1 stop28h 15mChina Airlines

Deal found 8-7HK$5,762

Sat 27-911:15HKG - ONT

2 stops24h 09mUnited Airlines

Sun 12-1020:16ONT - HKG

1 stop17h 44mUnited Airlines

Deal found 7-7HK$5,966

Wed 24-1213:30HKG - ONT

2 stops25h 07mMultiple Airlines

Wed 14-116:05ONT - HKG

2 stops24h 55mMultiple Airlines

Deal found 7-7HK$7,340

Best flights to Ontario
Discover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 July 2025.

Sat 20-911:20HKG - ONT

1 stop20h 45m星宇航空

Sat 22-1121:45ONT - HKG

1 stop20h 25m星宇航空

Deal found 8-7HK$5,738

Mon 3-1121:10HKG - ONT

1 stop35h 40mChina Airlines

Fri 28-1122:45ONT - HKG

1 stop28h 15mChina Airlines

Deal found 8-7HK$5,762

Sat 27-911:15HKG - ONT

1 stop15h 58mUnited Airlines

Sun 12-1013:53ONT - HKG

1 stop24h 07mUnited Airlines

Deal found 7-7HK$5,966

Wed 24-1213:30HKG - ONT

2 stops25h 07mMultiple Airlines

Wed 14-116:05ONT - HKG

2 stops24h 55mMultiple Airlines

Deal found 7-7HK$7,340

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 9 July 2025 and is based on user searches.

Mon 14-711:20HKG - ONT

1 stop21h 20m星宇航空

Fri 18-723:45ONT - HKG

1 stop19h 10m星宇航空

Deal found 8-7HK$7,967

Tue 15-701:25HKG - ONT

2 stops31h 39mQatar Airways

Wed 23-714:37ONT - HKG

2 stops40h 08mQatar Airways

Deal found 8-7HK$14,922

Wed 16-721:15HKG - ONT

1 stop36h 25mChina Airlines

Tue 22-700:45ONT - HKG

1 stop17h 30mChina Airlines

Deal found 8-7HK$8,352

Sat 19-722:35HKG - ONT

2 stops35h 05mMultiple Airlines

Fri 25-700:45ONT - HKG

2 stops31h 50mMultiple Airlines

Deal found 8-7HK$9,216

Tue 29-717:30HKG - ONT

1 stop16h 10mChina Airlines

Wed 13-800:45ONT - HKG

1 stop21h 15mChina Airlines

Deal found 6-7HK$7,858

Wed 20-800:45HKG - ONT

2 stops37h 55mDelta

Thu 28-806:05ONT - HKG

2 stops37h 35mDelta

Deal found 7-7HK$12,662

Thu 21-811:15HKG - ONT

1 stop21h 22mUnited Airlines

Thu 28-813:42ONT - HKG

1 stop24h 18mUnited Airlines

Deal found 7-7HK$8,352

Thu 21-809:25HKG - ONT

2 stops24h 15mMultiple Airlines

Wed 27-800:45ONT - HKG

2 stops26h 25mMultiple Airlines

Deal found 7-7HK$8,478

Fri 22-820:10HKG - ONT

1 stop36h 30m星宇航空

Fri 29-823:45ONT - HKG

1 stop19h 10m星宇航空

Deal found 8-7HK$7,646

Sun 31-801:25HKG - ONT

2 stops31h 59mQatar Airways

Fri 5-910:53ONT - HKG

2 stops43h 52mQatar Airways

Deal found 8-7HK$11,900

One-way flights to Ontario
Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 9 July 2025.

Tue 23-920:10HKG - ONT

1 stop35h 55m星宇航空

Deal found 8-7HK$3,564

Thu 4-920:10HKG - ONT

1 stop37h 30mChina Airlines

Deal found 8-7HK$3,627

Sat 20-913:30HKG - ONT

2 stops36h 14mMultiple Airlines

Deal found 7-7HK$4,302

Thu 4-919:40HKG - ONT

2 stops19h 23mEVA Air

Deal found 8-7HK$4,364

Thu 23-1022:30HKG - ONT

2 stops33h 53mUnited Airlines

Deal found 8-7HK$5,471

Thu 7-801:25HKG - ONT

2 stops31h 59mQatar Airways

Deal found 8-7HK$6,798

Cheapflights Fare Finder

Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Departure

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 20-9

11:20-17:05

1 stop20h 45m

Ontario

Sat 22-11

21:45-10:10

1 stop20h 25m

HK$5,738

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 3-11

21:10-16:50

1 stop35h 40m

Ontario

Fri 28-11

22:45-19:00

1 stop28h 15m

HK$5,762

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 27-9

11:15-22:42

1 stop26h 27m

Ontario

Sat 11-10

18:51-18:55

1 stop33h 04m

HK$5,966

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 24-12

13:30-22:37

2 stops25h 07m

Ontario

Wed 14-1

16:05-09:00

2 stops24h 55m

HK$7,340

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 23-9

20:10-17:05

1 stop35h 55m

HK$3,564

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 4-9

20:10-18:40

1 stop37h 30m

HK$3,627

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 20-9

13:30-10:44

2 stops36h 14m

HK$4,302

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 4-9

19:40-00:03

2 stops19h 23m

HK$4,364

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 23-10

22:30-17:23

2 stops33h 53m

HK$5,471

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 7-8

01:25-18:24

2 stops31h 59m

HK$6,798

Flights are sorted by cheapest return flights first.

Deals found on 8-7

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

On average, a flight from Hong Kong to Ontario takes 15 hours 15 minutes. Flights to Ontario from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ontario?

The most popular airline flying from Hong Kong to Ontario is China Airlines.

China Airlines

From HK$746

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from Hong Kong to Ontario is China Airlines.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with 星宇航空, EVA Air, andChina Airlines to the United States 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.

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

星宇航空

9.0

Wonderful

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

EVA Air

8.4

Very Good

1,215 reviews

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

China Airlines

8.3

Very Good

744 reviews

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Qatar Airways

7.4

Good

3,591 reviews

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

United Airlines

7.4

Good

8,842 reviews

星宇航空

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?
For a flight to Ontario, you will be flying into Ontario. Ontario (ONT) is just 4.9 km from the centre of the city.
Can I find cheaper flights to Ontario if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Ontario?
Based on reviews from Cheapflights users, China Airlines is rated the highest out of the airlines that fly to Ontario.
Does Ontario have rental cars?
Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Ontario?
Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Search flights to Ontario by cabin class

Fly with Cheapflights

How does Cheapflights help users find flights to Ontario?

Deals for Ontario flights 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 to Ontario?

Cheapflights helps you find that perfect flight to Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Ontario with no change fees?

Certainly. Search results for flights to Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Ontario flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.

HK$3,564+ Cheap flights to Ontario

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 23-9. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 9 July 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Ontario

Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 July 2025.

Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 July 2025.

Cheapflights Fare Finder

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 9 July 2025.

Use the filters below to find and compare flights to Ontario that are best for you.

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

What are the most popular airlines that fly to Ontario?

What are the cheapest airlines that fly to Ontario?

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 9 July 2025.

Get a feel of what it's like to fly with 星宇航空, EVA Air, andChina Airlines to the United States 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.

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?

Can I find cheaper flights to Ontario if I am willing to have stopovers?

What is the best airline to fly to Ontario?

Does Ontario have rental cars?

Are there hotels close to Ontario?

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.

Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 to Ontario?

Why should you use Cheapflights to find cheap flight tickets to Ontario?

Can Cheapflights find flights to Ontario with no change fees?

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 July 2025.