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R13 381+ 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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
May 15 — May 221
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

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 15 April 2026.

Thu 12/1122:00
JNB
-
ONT
2 stops45h 57m
British Airways
Mon 16/1112:55
ONT
-
JNB
2 stops32h 40m
British Airways
Deal found 13/4R17 405
Mon 9/1122:00
JNB
-
ONT
2 stops30h 22m
British Airways
Mon 4/116:45
ONT
-
JNB
2 stops28h 50m
British Airways
Deal found 13/4R18 615
Tue 21/419:50
JNB
-
ONT
2 stops35h 42m
Qatar Airways
Tue 28/410:59
ONT
-
JNB
2 stops32h 01m
Qatar Airways
Deal found 13/4R23 310
Wed 22/419:50
JNB
-
ONT
2 stops35h 46m
Qatar Airways
Wed 29/410:39
ONT
-
JNB
2 stops32h 21m
Qatar Airways
Deal found 13/4R23 326
Wed 10/619:50
JNB
-
ONT
2 stops35h 48m
Qatar Airways
Wed 24/612:04
ONT
-
JNB
2 stops30h 56m
Qatar Airways
Deal found 11/4R23 375
Wed 29/412:40
JNB
-
ONT
2 stops42h 56m
Qatar Airways
Wed 6/510:39
ONT
-
JNB
2 stops32h 21m
Qatar Airways
Deal found 15/4R23 506
Tue 9/619:50
JNB
-
ONT
2 stops36h 21m
Qatar Airways
Wed 17/612:04
ONT
-
JNB
2 stops30h 56m
Qatar Airways
Deal found 15/4R24 209
Sat 9/520:25
JNB
-
ONT
2 stops36h 09m
Delta
Sat 16/513:35
ONT
-
JNB
2 stops35h 50m
Delta
Deal found 11/4R25 011
Mon 20/419:50
JNB
-
ONT
2 stops34h 04m
Qatar Airways
Mon 27/410:39
ONT
-
JNB
2 stops32h 21m
Qatar Airways
Deal found 11/4R25 420

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 15 April 2026.

Return from

R15 981

One-way from

R11 598

Popular in

July

Cheapest in

March

Average price

R18 353
British Airways
  • British Airways
  • 18/5-31/5
  • 2 total stops
  • 62h 25m total
  • Johannesburg to Los Angeles
Search Deals
Qatar Airways
  • Qatar Airways
  • 5/5
  • 2 total stops
  • 35h 42m total
  • Johannesburg to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (R1 624 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R206 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals

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 594 507 searches and data was last updated on 15 April 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 9/6

19:50-23:11

2 stops36h 21m

Ontario

Wed 17/6

12:04-4:00

2 stops30h 56m

R24 209

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 12/5

12:40-23:58

2 stops44h 18m

Ontario

Tue 2/6

19:41-4:00

2 stops47h 19m

R26 352

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sun 10/5

19:50-23:59

2 stops37h 09m

Ontario

Tue 2/6

19:41-4:00

2 stops47h 19m

R26 598

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 5/6

12:40-19:56

2 stops40h 16m

Ontario

Mon 22/6

12:04-4:00

2 stops30h 56m

R28 560

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sun 17/5

19:50-23:58

2 stops37h 08m

Ontario

Tue 9/6

12:40-4:00

2 stops30h 20m

R28 789
Fastest return journey

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Wed 2/9

20:55-19:03

2 stops31h 08m

Ontario

Thu 24/9

12:10-9:00

2 stops35h 50m

R29 378

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 1/9

20:55-19:03

2 stops31h 08m

Ontario

Thu 24/9

12:10-9:00

2 stops35h 50m

R29 378

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sat 20/6

9:50-22:38

2 stops45h 48m

Ontario

Sun 2/8

23:50-8:20

2 stops47h 30m

R29 444

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 19/5

19:50-23:58

2 stops37h 08m

Ontario

Mon 8/6

12:40-4:00

2 stops30h 20m

R29 984

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 19/5

19:50-23:58

2 stops37h 08m

Ontario

Sun 7/6

12:40-4:00

2 stops30h 20m

R30 245

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 Johannesburg to Ontario takes 33 hours 6 minutes. Flights to Ontario from other popular cities in South Africa 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 Johannesburg to Ontario is British Airways.

United Airlines
United Airlines
From R15 810
British Airways
British Airways
From R16 805

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from Johannesburg to Ontario is British Airways.

Rainfall in Ontario by month

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

Plan your trip to Ontario by taking into account the average temperature totals 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 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 15 April 2026.
Read reviews from past customers who have flown British Airways to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6,7
Okay
7 885 reviews
Check prices

Comfort

6,8

Overall

6,7

Boarding

6,9

Crew

7,7

Food

6,4

Entertainment

6,4

Reviews

1 / 20
6,0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6,7
Okay
7 885 reviews
British Airways
6,7
Okay
7 885 reviews
Check prices

Comfort

6,8

Overall

6,7

Boarding

6,9

Crew

7,7

Food

6,4

Entertainment

6,4

Reviews

1 / 20
6,0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 4,9 km from the centre of Ontario.

  • 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, Cape Town Intl offers the quickest one-way flight (25 hours 47 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

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Fly with Cheapflights

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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 simply makes it quick and affordable to book flights to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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?

Of course! You can track prices for flights to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

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