Find flights
When to book
Airlines
Travel Guide

Cheap flights to Ontario from $687

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 24/10. 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.
CMH — ONT
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

Flights to Ontario in 2024

Find the latest flights to Ontario in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 536,630 searches and data was last updated on 16 May 2024.

Popular in

December

Cheapest in

February

Average price

$1,266

Return from

$953

One-way from

$687
High demand for flights, 11% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for return flights in May 2024
Search Deals
From Sydney Kingsford Smith to Los Angeles
Search Deals
One-way flight from Sydney Kingsford Smith (SYD) to Ontario (ONT)
Search Deals

Cheap flights to Ontario in May & June 2024

Discover affordable flights and deals to Ontario in May and June 2024. In the last 7 days, Cheapflights users made a total of 536,630 searches and data was last updated on 16 May 2024.
The lowest-priced flights departing to Ontario in May and June 2024 can be found below. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.
Thu 13/610:20SYD - ONT
1 stop29h 07mUnited Airlines
Wed 26/606:10ONT - SYD
1 stop31h 50mUnited Airlines
Deal found 15/5$1,323
Fri 17/521:40SYD - ONT
1 stop17h 15mHawaiian Airlines
Tue 21/510:00ONT - SYD
1 stop40h 45mHawaiian Airlines
Deal found 15/5$1,344
Thu 13/610:20SYD - ONT
1 stop29h 07mUnited Airlines
Wed 26/606:10ONT - SYD
1 stop31h 50mUnited Airlines
Deal found 15/5$1,413
Fri 14/610:20SYD - ONT
1 stop19h 29mUnited Airlines
Sun 30/613:30ONT - SYD
2 stops24h 30mUnited Airlines
Deal found 16/5$1,471
Fri 14/610:20SYD - ONT
1 stop19h 29mUnited Airlines
Fri 21/613:55ONT - SYD
1 stop24h 05mUnited Airlines
Deal found 15/5$1,522
Fri 14/610:20SYD - ONT
1 stop19h 29mUnited Airlines
Fri 21/613:55ONT - SYD
1 stop24h 05mUnited Airlines
Deal found 16/5$1,524
Fri 14/610:20SYD - ONT
2 stops27h 28mUnited Airlines
Fri 21/613:55ONT - SYD
1 stop24h 05mUnited Airlines
Deal found 15/5$1,528
Fri 14/610:20SYD - ONT
2 stops27h 28mUnited Airlines
Fri 21/613:55ONT - SYD
1 stop24h 05mUnited Airlines
Deal found 16/5$1,530
Tue 21/510:20SYD - ONT
1 stop16h 41mUnited Airlines
Sat 25/506:00ONT - SYD
1 stop32h 00mUnited Airlines
Deal found 16/5$1,536

Ontario 2024 flight deals

Explore flight deals for Ontario in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 536,630 searches and data were last updated on 16 May 2024.
The lowest fares on flights travelling to Ontario in May and June 2024. For more flight deals, be sure to check back very soon.
Tue 5/1121:40SYD - ONT
1 stop18h 00mHawaiian Airlines
Thu 28/1108:40ONT - SYD
1 stop40h 05mHawaiian Airlines
Deal found 14/5$1,099
Thu 17/1021:40SYD - ONT
1 stop17h 20mHawaiian Airlines
Fri 1/1109:40ONT - SYD
1 stop40h 05mHawaiian Airlines
Deal found 15/5$1,248
Thu 13/610:20SYD - ONT
1 stop29h 07mUnited Airlines
Wed 26/606:10ONT - SYD
1 stop31h 50mUnited Airlines
Deal found 15/5$1,323
Wed 16/1011:20SYD - ONT
1 stop16h 38mUnited Airlines
Wed 30/1015:15ONT - SYD
1 stop23h 00mUnited Airlines
Deal found 15/5$1,328
Fri 17/521:40SYD - ONT
1 stop17h 15mHawaiian Airlines
Tue 21/510:00ONT - SYD
1 stop40h 45mHawaiian Airlines
Deal found 15/5$1,344
Thu 31/1017:25SYD - ONT
1 stop21h 35mMultiple Airlines
Fri 8/1108:40ONT - SYD
1 stop35h 55mMultiple Airlines
Deal found 14/5$1,376
Sun 4/810:20SYD - ONT
1 stop18h 48mUnited Airlines
Sun 11/818:35ONT - SYD
1 stop19h 25mUnited Airlines
Deal found 16/5$1,405
Thu 24/1011:20SYD - ONT
1 stop16h 43mUnited Airlines
Sat 2/1118:35ONT - SYD
1 stop17h 45mUnited Airlines
Deal found 16/5$1,407
Mon 5/810:20SYD - ONT
2 stops27h 28mUnited Airlines
Sun 25/818:25ONT - SYD
2 stops43h 35mUnited Airlines
Deal found 15/5$1,411

Flights to Ontario departing soon

Discover available last-minute flight options to Ontario, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 536,630 searches and data was last updated on 16 May 2024.
Browse through available last-minute flights travelling to Ontario. Make sure the flight you book matches the day, time, and destination you're looking for.
Tue 21/510:20SYD - ONT
1 stop16h 41mUnited Airlines
Sat 25/506:00ONT - SYD
1 stop32h 00mUnited Airlines
Deal found 16/5$1,536
Fri 24/510:20SYD - ONT
1 stop19h 29mUnited Airlines
Sat 1/613:34ONT - SYD
1 stop24h 26mUnited Airlines
Deal found 14/5$1,612
Fri 24/510:20SYD - ONT
2 stops27h 28mUnited Airlines
Sat 1/613:29ONT - SYD
2 stops24h 31mUnited Airlines
Deal found 14/5$1,618
Thu 23/521:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Mon 27/508:30ONT - SYD
1 stop18h 15mHawaiian Airlines
Deal found 16/5$1,783
Thu 23/510:20SYD - ONT
1 stop19h 25mUnited Airlines
Sun 26/520:50ONT - SYD
1 stop17h 10mUnited Airlines
Deal found 15/5$2,729
Tue 21/510:20SYD - ONT
1 stop16h 41mUnited Airlines
Wed 22/510:42ONT - SYD
1 stop27h 18mUnited Airlines
Deal found 15/5$2,741
Tue 21/510:20SYD - ONT
2 stops27h 33mUnited Airlines
Wed 22/513:36ONT - SYD
2 stops24h 24mUnited Airlines
Deal found 15/5$2,747
Fri 24/510:20SYD - ONT
2 stops43h 13mUnited Airlines
Sat 15/606:00ONT - SYD
2 stops56h 00mUnited Airlines
Deal found 15/5$2,803
Sat 25/510:20SYD - ONT
2 stops27h 43mUnited Airlines
Fri 14/606:20ONT - SYD
1 stop31h 40mUnited Airlines
Deal found 15/5$2,878

One-way flights to Ontario

Explore one-way flight options to Ontario for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 536,630 searches and data was last updated on 16 May 2024.
If you're looking for options on one-way flights to Ontario, check out these fares. Users can also find round-trip Ontario flights by using the search form above.
Thu 24/1017:20SYD - ONT
1 stop21h 40mMultiple Airlines
Deal found 15/5$687
Fri 7/621:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Deal found 15/5$709
Fri 7/621:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Deal found 16/5$714
Thu 31/1021:40SYD - ONT
1 stop17h 20mHawaiian Airlines
Deal found 15/5$715
Mon 26/816:20SYD - ONT
1 stop22h 35mMultiple Airlines
Deal found 16/5$718
Thu 23/521:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Deal found 16/5$772
Thu 6/621:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Deal found 15/5$832
Fri 14/621:40SYD - ONT
1 stop17h 05mHawaiian Airlines
Deal found 15/5$837
Wed 23/1013:05SYD - ONT
2 stops25h 55mMultiple Airlines
Deal found 15/5$868

Find flights to Ontario within your budget

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 536,630 searches and data was last updated on 16 May 2024.

Fly from

Any airport

Budget

$1,099 - $1,670

Route

Depart

Return

Price

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 5/11

1 stop18h 00m

Ontario

Thu 28/11

1 stop40h 05m

$1,099

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 17/10

1 stop17h 20m

Ontario

Fri 1/11

1 stop40h 05m

$1,248

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 13/6

1 stop29h 07m

Ontario

Wed 26/6

1 stop31h 50m

$1,323

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 16/10

1 stop16h 38m

Ontario

Wed 30/10

1 stop23h 00m

$1,328

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 31/10

1 stop21h 35m

Ontario

Fri 8/11

1 stop35h 55m

$1,376

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 4/8

1 stop18h 48m

Ontario

Sun 11/8

1 stop19h 25m

$1,405

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 28/10

1 stop37h 25m

Ontario

Tue 5/11

1 stop42h 30m

$1,588

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 10/9

1 stop17h 15m

Ontario

Mon 16/9

1 stop35h 50m

$1,591

Sydney Kingsford SmithOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 25/10

1 stop37h 55m

Ontario

Sat 2/11

1 stop42h 30m

$1,670

Flights are sorted by cheapest first

Deals found on 14/5

Average price of flights to Ontario by month

Plan your trip to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight to Ontario is currently $762 while a return flight costs $1,403. Price data was last updated on 12 May 2024.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

14 - 23 °C

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

When is the best time to book a flight to Ontario?

Use this chart to determine the optimal time to book a return flight to Ontario. Price data was last updated on 10 May 2024.
The best time to book flights to Ontario is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly to Ontario?

Use this chart to determine the cheapest time to fly return to Ontario. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Ontario should consider flying on Monday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday mornings, when prices are usually at their highest.
Search Deals

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 16 May 2024.
Read through reviews of airlines servicing Ontario, such as Hawaiian Airlines, United Airlines and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

China Airlines
8.3
Very Good
910 reviews
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

Hawaiian Airlines
8.0
Very Good
2,295 reviews
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

Qatar Airways
7.7
Good
4,387 reviews
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

United Airlines
7.4
Good
10,924 reviews
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

Air Canada
7.0
Good
6,947 reviews
China Airlines
8.3
Very Good
910 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Food

7.8

Crew

8.6

Comfort

8.0

Overall

8.3

Reviews

1 / 10

The business class cabin is really nice - EXCEPT the two interior seats have no divider between them - which makes for a bad experience -especially when the person next to you coughs excessively with no protection. Basically, the person is looking at you and coughing at you the WHOLE FLIGHT. Most major airlines have a sliding divider you can close for privacy and safety reasons. The window seats do not have this problem - so if you book business class and are traveling solo - make sure to get a window seat - I didn't and regretted it.

  • What does ONT mean?

    ONT is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A ONT flight refers to a flight to Ontario Airport.

  • 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.

  • What is the cheapest airport to fly to in Ontario?

    null is currently the cheapest airport to fly to in Ontario. One-way flights to null typically cost null, while return flights cost around null.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Sydney offers the quickest one-way flight (16 hours 47 minutes).

  • Does Ontario Airport have car hire?

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

  • Are there hotels close to Ontario Airport?

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

See more FAQs

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.
Flights to Kochi
Flights to Málaga
Flights to Fiji
Flights to Gladstone
Flights to Tasmania
Flights to Port Moresby
Flights to Oslo
Flights to Rome
Flights to France
Flights to Hong Kong
Flights to Wellington
Flights to Coolangatta

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.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Khon Kaen
Flights to Charleville
Flights to Dalaman
Flights to Zakynthos Dionsios Salomos
Flights to Dakar Blaise Diagne
Flights to Olbia Costa Smeralda
Flights to Kinshasa N'djili
Flights to Freetown Lungi Intl
Flights to Roxas City
Flights to Bandar Lampung Radin Inten II
Flights to Gaborone Sir Seretse Khama
Flights to San Jose
Flights to Kona Intl
Flights to Nürnberg
Flights to Syracuse Hancock Intl
Flights to Kamloops
Flights to Poznan Lawica
Flights to Milas–Bodrum
Flights to Lilongwe Intl
Flights to Nantes Atlantique
Flights to Bergamo Orio Al Serio
Flights to Kayseri
Flights to Kos
Flights to Lhasa
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.
View all available airlines