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$3,673+ Flights to Ontario, California

Flights to Ontario in 2025

Return from	HK$5,565
One-way from	HK$3,673
Popular in	August
Cheapest in	March
Average price	HK$6,507

Philippine Airlines
21-8-2-9
2 total stops
52h 10m total
Hong Kong to Los Angeles

Search Deals

星宇航空
22-6
1 total stop
35h 55m total
Hong Kong to Ontario

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (HK$15,711 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (HK$3,032 potential savings vs. average return price).

Search Deals

Average for return flights in June 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 11 June 2025.

Thu 12-620:10HKG - ONT

1 stop35h 55m星宇航空

Wed 25-623:10ONT - HKG

1 stop28h 45m星宇航空

Deal found 10-6HK$5,793

Fri 31-1017:35HKG - ONT

1 stop15h 15mChina Airlines

Sun 30-1122:45ONT - HKG

1 stop18h 30mChina Airlines

Deal found 10-6HK$5,950

Mon 30-611:15HKG - ONT

1 stop21h 28mUnited Airlines

Fri 4-706:10ONT - HKG

1 stop21h 45mUnited Airlines

Deal found 11-6HK$5,965

Thu 12-622:30HKG - ONT

2 stops33h 55mLufthansa

Sat 28-618:28ONT - HKG

2 stops33h 27mLufthansa

Deal found 10-6HK$6,868

Thu 19-619:40HKG - ONT

2 stops19h 33mMultiple Airlines

Sun 31-819:22ONT - HKG

2 stops22h 28mMultiple Airlines

Deal found 10-6HK$7,519

Wed 18-600:45HKG - ONT

2 stops38h 01mDelta

Sun 31-818:05ONT - HKG

2 stops37h 25mDelta

Deal found 11-6HK$10,376

Fri 12-901:25HKG - ONT

2 stops32h 29mQatar Airways

Sat 27-910:54ONT - HKG

2 stops43h 51mQatar Airways

Deal found 10-6HK$11,507

Thu 24-700:45HKG - ONT

2 stops31h 31mKorean Air

Fri 1-806:25ONT - HKG

2 stops25h 05mKorean Air

Deal found 9-6HK$13,555

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 11 June 2025.

Sun 15-620:10HKG - ONT

1 stop35h 55m星宇航空

Sat 21-623:10ONT - HKG

1 stop19h 45m星宇航空

Deal found 10-6HK$5,902

Mon 30-611:15HKG - ONT

1 stop21h 28mUnited Airlines

Thu 31-706:06ONT - HKG

1 stop21h 49mUnited Airlines

Deal found 11-6HK$5,965

Sat 28-620:10HKG - ONT

1 stop36h 50mChina Airlines

Sun 21-900:10ONT - HKG

1 stop18h 55mChina Airlines

Deal found 11-6HK$6,130

Thu 19-619:40HKG - ONT

2 stops19h 33mMultiple Airlines

Sun 31-819:22ONT - HKG

2 stops22h 28mMultiple Airlines

Deal found 10-6HK$7,519

Wed 18-600:45HKG - ONT

2 stops38h 01mDelta

Sun 31-818:05ONT - HKG

2 stops37h 25mDelta

Deal found 11-6HK$10,376

Mon 23-601:25HKG - ONT

2 stops51h 25mQatar Airways

Fri 22-814:57ONT - HKG

2 stops39h 48mQatar Airways

Deal found 10-6HK$11,805

Thu 24-700:45HKG - ONT

2 stops31h 31mKorean Air

Fri 1-806:25ONT - HKG

2 stops25h 05mKorean Air

Deal found 9-6HK$13,555

Thu 26-618:00HKG - ONT

2 stops33h 14mAir Canada

Thu 12-306:00ONT - HKG

2 stops20h 40mAir Canada

Deal found 10-6HK$46,042

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 11 June 2025 and is based on user searches.

Thu 12-620:10HKG - ONT

1 stop35h 55m星宇航空

Wed 25-623:10ONT - HKG

1 stop28h 45m星宇航空

Deal found 10-6HK$5,793

Thu 12-622:30HKG - ONT

2 stops33h 55mLufthansa

Sat 28-618:28ONT - HKG

2 stops33h 27mLufthansa

Deal found 10-6HK$6,868

Mon 16-611:20HKG - ONT

1 stop20h 45m星宇航空

Fri 20-623:10ONT - HKG

1 stop19h 45m星宇航空

Deal found 11-6HK$5,902

Mon 16-611:15HKG - ONT

2 stops24h 49mUnited Airlines

Sun 6-718:39ONT - HKG

1 stop19h 21mUnited Airlines

Deal found 10-6HK$5,965

Tue 17-610:40HKG - ONT

2 stops28h 19mAmerican Airlines

Fri 20-600:59ONT - HKG

2 stops30h 01mAmerican Airlines

Deal found 11-6HK$10,839

Wed 18-600:45HKG - ONT

2 stops38h 01mDelta

Sun 31-818:05ONT - HKG

2 stops37h 25mDelta

Deal found 11-6HK$10,376

Wed 18-608:15HKG - ONT

2 stops25h 46mAmerican Airlines

Sat 19-723:59ONT - HKG

2 stops32h 01mAmerican Airlines

Deal found 10-6HK$52,180

Thu 19-619:40HKG - ONT

2 stops19h 33mMultiple Airlines

Sun 31-819:22ONT - HKG

2 stops22h 28mMultiple Airlines

Deal found 10-6HK$7,519

Thu 19-619:40HKG - ONT

2 stops43h 33mQatar Airways

Tue 8-714:37ONT - HKG

2 stops40h 08mQatar Airways

Deal found 10-6HK$14,842

Fri 20-618:00HKG - ONT

2 stops33h 14mAir Canada

Tue 15-718:39ONT - HKG

2 stops30h 26mAir Canada

Deal found 10-6HK$46,890

Sat 21-617:30HKG - ONT

1 stop15h 30mChina Airlines

Fri 27-600:10ONT - HKG

1 stop18h 55mChina Airlines

Deal found 11-6HK$5,950

Mon 23-601:25HKG - ONT

2 stops51h 25mQatar Airways

Fri 22-814:57ONT - HKG

2 stops39h 48mQatar Airways

Deal found 10-6HK$11,805

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 11 June 2025.

Sun 22-620:10HKG - ONT

1 stop35h 55m星宇航空

Deal found 10-6HK$3,673

Fri 20-620:10HKG - ONT

1 stop36h 50mChina Airlines

Deal found 11-6HK$3,854

Tue 19-822:30HKG - ONT

2 stops34h 10mMultiple Airlines

Deal found 11-6HK$4,184

Mon 16-622:30HKG - ONT

2 stops37h 34mUnited Airlines

Deal found 11-6HK$5,471

Tue 22-719:40HKG - ONT

2 stops30h 25mEVA Air

Deal found 11-6HK$8,147

Mon 21-719:40HKG - ONT

2 stops33h 07mQatar Airways

Deal found 10-6HK$8,626

Tue 22-710:40HKG - ONT

2 stops23h 13mAmerican Airlines

Deal found 10-6HK$9,058

Tue 5-800:45HKG - ONT

2 stops31h 31mDelta

Deal found 10-6HK$9,403

Sat 5-700:45HKG - ONT

2 stops37h 01mKorean Air

Deal found 11-6HK$9,937

Mon 21-723:25HKG - ONT

3 stops37h 12mLufthansa

Deal found 11-6HK$18,398

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

Sun 15-6

20:10-17:05

1 stop35h 55m

Ontario

Sat 21-6

23:10-09:55

1 stop19h 45m

HK$5,902

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 30-6

11:15-17:43

1 stop21h 28m

Ontario

Fri 4-7

05:05-05:00

2 stops32h 55m

HK$5,965

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 28-6

20:10-18:00

1 stop36h 50m

Ontario

Sun 21-9

00:10-10:05

1 stop18h 55m

HK$6,130

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 19-6

19:40-00:13

2 stops19h 33m

Ontario

Sun 31-8

19:22-08:50

2 stops22h 28m

HK$7,519

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 18-6

00:45-23:46

2 stops38h 01m

Ontario

Sun 31-8

18:05-22:30

2 stops37h 25m

HK$10,376

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 23-6

01:25-13:50

2 stops51h 25m

Ontario

Fri 22-8

14:57-21:45

2 stops39h 48m

HK$11,805

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 24-7

00:45-17:16

2 stops31h 31m

Ontario

Fri 1-8

06:25-22:30

2 stops25h 05m

HK$13,555

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 26-6

18:00-12:14

2 stops33h 14m

Ontario

Thu 12-3

06:00-17:40

2 stops20h 40m

HK$46,042

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 22-6

20:10-17:05

1 stop35h 55m

HK$3,673

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 20-6

20:10-18:00

1 stop36h 50m

HK$3,854

Flights are sorted by cheapest return flights first.

Deals found on 10-6

Showing 1-10 of 18 results

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$749

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

To help decide which airline to fly to Ontario, see what other customers have to say about 星宇航空, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

星宇航空

9.1

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

9.1

Wonderful

星宇航空

9.1

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

1,202 reviews

星宇航空

9.1

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.

Korean Air

8.4

Very Good

1,088 reviews

星宇航空

9.1

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

738 reviews

星宇航空

9.1

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.

Delta

8.0

Very Good

7,946 reviews

星宇航空

9.1

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.

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

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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$3,673+ 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 22-6. 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 11 June 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 11 June 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 11 June 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 11 June 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

To help decide which airline to fly to Ontario, see what other customers have to say about 星宇航空, EVA Air and Korean Air. Users have also rated airlines 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 11 June 2025.