What airport do you fly into for flights to Ontario?

Most people fly into Ontario (ONT) if they book a flight to Ontario. Ontario is conveniently located just 4.9 km from Ontario’s city centre.

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, United Airlines is rated the highest out of the airlines that fly to Ontario.

Where does the fastest flight to Ontario depart from?

For those looking to save time traveling to Ontario, Melbourne offers the quickest one-way flight (18 hours 18 minutes).

Does Ontario have car hire?

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).

$780+ Flights to Ontario, California

Flights to Ontario in 2025

Return from	$1,084
One-way from	$780
Popular in	December
Cheapest in	May
Average price	$1,330

Fiji Airways
26/7-1/10
2 total stops
35h 00m total
Sydney to Los Angeles

Search Deals

United Airlines
12/8
1 total stop
29h 32m total
Sydney to Ontario

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($322 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($82 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 14 June 2025.

Sun 27/709:25SYD - ONT

2 stops31h 17mDelta

Sun 3/806:00ONT - SYD

2 stops31h 35mDelta

Deal found 12/6$1,309

Sat 20/910:20SYD - ONT

2 stops52h 05mUnited Airlines

Sat 4/1005:05ONT - SYD

2 stops32h 50mUnited Airlines

Deal found 14/6$1,330

Fri 1/810:20SYD - ONT

1 stop18h 54mLufthansa

Thu 14/818:39ONT - SYD

1 stop19h 16mLufthansa

Deal found 13/6$1,421

Tue 29/721:40SYD - ONT

2 stops30h 25mAlaska Airlines

Fri 22/808:35ONT - SYD

1 stop18h 10mAlaska Airlines

Deal found 12/6$1,449

Thu 12/622:10SYD - ONT

1 stop36h 50mChina Airlines

Tue 24/600:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 12/6$1,808

Sun 27/716:20SYD - ONT

1 stop22h 07mMultiple Airlines

Sun 3/816:00ONT - SYD

2 stops46h 30mMultiple Airlines

Deal found 12/6$1,840

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 14 June 2025.

Sun 27/709:25SYD - ONT

2 stops31h 17mDelta

Sun 3/806:00ONT - SYD

2 stops31h 35mDelta

Deal found 12/6$1,309

Sat 20/910:20SYD - ONT

2 stops52h 05mUnited Airlines

Sat 4/1005:05ONT - SYD

2 stops32h 50mUnited Airlines

Deal found 14/6$1,330

Fri 1/810:20SYD - ONT

1 stop18h 54mLufthansa

Thu 14/818:39ONT - SYD

1 stop19h 16mLufthansa

Deal found 13/6$1,421

Tue 29/721:40SYD - ONT

2 stops30h 25mAlaska Airlines

Fri 22/808:35ONT - SYD

1 stop18h 10mAlaska Airlines

Deal found 12/6$1,449

Sun 27/716:20SYD - ONT

1 stop22h 07mMultiple Airlines

Sun 3/816:00ONT - SYD

2 stops46h 30mMultiple Airlines

Deal found 12/6$1,840

Mon 28/722:10SYD - ONT

1 stop37h 30mChina Airlines

Fri 22/800:45ONT - SYD

1 stop41h 00mChina Airlines

Deal found 12/6$1,905

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 14 June 2025 and is based on user searches.

Thu 12/622:10SYD - ONT

1 stop36h 50mChina Airlines

Tue 24/600:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 12/6$1,808

Thu 19/610:20SYD - ONT

2 stops27h 44mUnited Airlines

Mon 30/605:05ONT - SYD

2 stops32h 50mUnited Airlines

Deal found 13/6$1,409

Thu 19/622:10SYD - ONT

1 stop36h 50mChina Airlines

Sun 22/600:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 14/6$2,022

Thu 19/613:15SYD - ONT

2 stops22h 46mMultiple Airlines

Mon 23/623:59ONT - SYD

2 stops42h 46mMultiple Airlines

Deal found 12/6$3,780

Thu 19/620:45SYD - ONT

2 stops38h 19mQatar Airways

Mon 23/606:00ONT - SYD

2 stops42h 10mQatar Airways

Deal found 12/6$4,632

Sun 22/621:40SYD - ONT

2 stops43h 33mAlaska Airlines

Fri 29/808:35ONT - SYD

1 stop18h 10mAlaska Airlines

Deal found 12/6$2,039

Mon 14/710:20SYD - ONT

1 stop18h 54mLufthansa

Sun 27/718:39ONT - SYD

1 stop19h 16mLufthansa

Deal found 12/6$2,095

Sun 27/709:25SYD - ONT

2 stops31h 17mDelta

Sun 3/806:00ONT - SYD

2 stops31h 35mDelta

Deal found 12/6$1,309

Sun 27/716:20SYD - ONT

1 stop22h 07mMultiple Airlines

Sun 3/816:00ONT - SYD

2 stops46h 30mMultiple Airlines

Deal found 12/6$1,840

Tue 29/721:40SYD - ONT

2 stops30h 25mAlaska Airlines

Fri 22/808:35ONT - SYD

1 stop18h 10mAlaska Airlines

Deal found 12/6$1,449

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 14 June 2025.

Tue 12/810:20SYD - ONT

1 stop29h 32mUnited Airlines

Deal found 13/6$780

Mon 28/709:25SYD - ONT

2 stops31h 17mDelta

Deal found 13/6$794

Sun 21/910:20SYD - ONT

1 stop18h 53mLufthansa

Deal found 14/6$846

Mon 28/717:45SYD - ONT

3 stops56h 38mMultiple Airlines

Deal found 13/6$1,036

Sat 25/1021:40SYD - ONT

1 stop37h 34mAlaska Airlines

Deal found 12/6$1,096

Fri 24/1022:10SYD - ONT

1 stop37h 50mChina Airlines

Deal found 12/6$1,136

Tue 24/621:40SYD - ONT

2 stops30h 25mHawaiian Airlines

Deal found 13/6$1,711

Tue 28/1021:40SYD - ONT

2 stops41h 08mQatar Airways

Deal found 13/6$1,902

Tue 24/621:30SYD - ONT

2 stops41h 29mEtihad Airways

Deal found 13/6$3,618

Thu 6/1116:20SYD - ONT

3 stops44h 29mBritish Airways

Deal found 13/6$5,454

Tue 1/710:25SYD - ONT

1 stop20h 25mAmerican Airlines

Deal found 12/6$6,841

Thu 21/811:50SYD - ONT

3 stops39h 45mLATAM Airlines

Deal found 12/6$9,241

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 27/7

09:25-23:42

2 stops31h 17m

Ontario

Sun 3/8

06:00-06:35

2 stops31h 35m

$1,309

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 20/9

10:20-21:25

2 stops52h 05m

Ontario

Sat 4/10

05:05-06:55

2 stops32h 50m

$1,330

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 1/8

10:20-12:14

1 stop18h 54m

Ontario

Thu 14/8

18:39-06:55

1 stop19h 16m

$1,421

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 29/7

21:40-11:05

2 stops30h 25m

Ontario

Fri 22/8

08:35-19:45

1 stop18h 10m

$1,449

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 27/7

16:20-21:27

1 stop22h 07m

Ontario

Sun 3/8

16:00-07:30

2 stops46h 30m

$1,840

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 28/7

22:10-18:40

1 stop37h 30m

Ontario

Fri 22/8

00:45-10:45

1 stop41h 00m

$1,905

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 12/8

10:20-22:52

1 stop29h 32m

$780

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 28/7

09:25-23:42

2 stops31h 17m

$794

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 21/9

10:20-12:13

1 stop18h 53m

$846

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 28/7

17:45-09:23

3 stops56h 38m

$1,036

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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 Sydney to Ontario takes 18 hours 22 minutes. Flights to Ontario from other popular cities in Australia 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 Sydney to Ontario is United Airlines.

United Airlines

From $798

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from Sydney to Ontario is United 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

Read through reviews of airlines servicing Ontario, such as China Airlines, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

China Airlines

8.3

Very Good

738 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Alaska Airlines

8.0

Very Good

10,000 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Delta

8.0

Very Good

7,961 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Hawaiian Airlines

7.8

Good

2,499 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

LATAM Airlines

7.5

Good

1,785 reviews

China Airlines

8.3

Very Good

738 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?
Most people fly into Ontario (ONT) if they book a flight to Ontario. Ontario is conveniently located just 4.9 km from Ontario’s city centre.
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, United Airlines is rated the highest out of the airlines that fly to Ontario.
Where does the fastest flight to Ontario depart from?
For those looking to save time traveling to Ontario, Melbourne offers the quickest one-way flight (18 hours 18 minutes).
Does Ontario have car hire?
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

Popular United States flight routes

Flights from Sydney to Honolulu

Flights from Melbourne to Honolulu

Flights from Brisbane to Los Angeles

Flights from Sydney to Los Angeles

Flights from Melbourne to Los Angeles

Flights from Sydney to George Bush Intcntl

Flights from Sydney to San Francisco

Flights from Brisbane to San Francisco

Flights from Melbourne to San Francisco

Flights from Brisbane to Dallas/Fort Worth

Flights from Melbourne to Dallas/Fort Worth

Flights from Sydney to Dallas/Fort Worth

Flights from Sydney to John F Kennedy Intl

Flights from Adelaide to San Francisco

Flights from Los Angeles to Las Vegas

Flights from Los Angeles to Newark

Flights from Honolulu to Kailua-Kona

Flights from Los Angeles to George Bush Intcntl

Flights from Vancouver Intl to Los Angeles

Flights from Los Angeles to John F Kennedy Intl

Flights from Honolulu to Los Angeles

Flights from Boston to San Francisco

Flights from Boston to Los Angeles

Fly with Cheapflights

How does Cheapflights help users find flights to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario today with Cheapflights!

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Ontario flexibly with Cheapflights today.

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

Yes! Start tracking prices for Ontario flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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.

$780+ 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 12/8. 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 647,157 searches and data was last updated on 14 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 14 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 14 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 647,157 searches and data was last updated on 14 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

Read through reviews of airlines servicing Ontario, such as China Airlines, Alaska Airlines and Delta. 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?

Where does the fastest flight to Ontario depart from?

Does Ontario have car hire?

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 14 June 2025.