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R15 899+ 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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
Dec 25 — Jan 11
1 adult
1 adult, Economy, 0 bags

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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 25 November 2025.

Tue 16/1222:00JNB - ONT
2 stops33h 49mUnited Airlines
Wed 14/18:00ONT - JNB
2 stops24h 35mUnited Airlines
Deal found 24/11R22 220
Fri 19/1221:55JNB - ONT
1 stop35h 28mDelta
Sat 17/112:41ONT - JNB
1 stop20h 19mDelta
Deal found 24/11R23 727
Fri 19/1221:55JNB - ONT
1 stop31h 55mDelta
Mon 12/122:30ONT - JNB
1 stop34h 30mDelta
Deal found 24/11R25 493
Fri 19/1221:55JNB - ONT
1 stop31h 55mDelta
Sun 11/122:30ONT - JNB
1 stop34h 30mDelta
Deal found 24/11R27 710
Tue 16/1220:20JNB - ONT
2 stops32h 13mQatar Airways
Wed 14/111:53ONT - JNB
2 stops30h 02mQatar Airways
Deal found 23/11R36 993
Sun 21/1220:20JNB - ONT
2 stops32h 05mQatar Airways
Sat 10/115:09ONT - JNB
2 stops31h 31mQatar Airways
Deal found 23/11R40 543
Thu 18/1220:20JNB - ONT
2 stops37h 54mQatar Airways
Fri 2/16:00ONT - JNB
2 stops40h 40mQatar Airways
Deal found 22/11R41 149

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 594 507 searches and data was last updated on 25 November 2025.

Return from

R16 522

One-way from

R15 899

Popular in

July

Cheapest in

February

Average price

R17 440
American Airlines
  • American Airlines
  • 12/2-16/2
  • 3 total stops
  • 59h 20m total
  • Johannesburg to Los Angeles
Search Deals
KLM
  • KLM
  • 13/1
  • 2 total stops
  • 30h 52m total
  • Johannesburg to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (R1 421 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R193 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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 25 November 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 6/3

22:00-22:51

2 stops34h 51m

Ontario

Tue 10/3

6:00-10:25

2 stops43h 25m

R17 336

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sat 14/2

19:45-21:59

2 stops36h 14m

Ontario

Sat 21/2

6:00-18:35

2 stops26h 35m

R20 713

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 6/3

21:55-21:05

1 stop33h 10m

Ontario

Tue 10/3

17:09-19:00

2 stops64h 51m

R20 765

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 20/2

22:00-21:59

2 stops33h 59m

Ontario

Fri 13/3

6:00-18:35

2 stops27h 35m

R22 220

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 16/12

22:00-21:49

2 stops33h 49m

Ontario

Wed 14/1

8:00-18:35

2 stops24h 35m

R22 220

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 19/12

21:55-23:23

1 stop35h 28m

Ontario

Sat 17/1

12:41-19:00

1 stop20h 19m

R23 727

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Fri 19/12

21:55-19:50

1 stop31h 55m

Ontario

Thu 15/1

22:30-19:00

1 stop34h 30m

R23 727

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 13/1

19:20-16:12

2 stops30h 52m

R15 899

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Thu 4/12

22:00-18:17

2 stops30h 17m

R16 782

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sat 6/12

22:00-18:18

2 stops30h 18m

R16 782

Flights are sorted by cheapest return flights first.

Deals found on 23/11

Showing 1-10 of 17 results
1
2

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 30 hours 22 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.

British Airways
British Airways
From R17 792
United Airlines
United Airlines
From R15 843

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 25 November 2025.
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
7 539 reviews
Check prices

Comfort

6,7

Overall

6,7

Crew

7,6

Boarding

6,9

Entertainment

6,4

Food

6,3

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
7 539 reviews
British Airways
6,7
Okay
7 539 reviews
Check prices

Comfort

6,7

Overall

6,7

Crew

7,6

Boarding

6,9

Entertainment

6,4

Food

6,3

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, Johannesburg offers the quickest one-way flight (30 hours 22 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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How does Cheapflights help users find flights to Ontario?

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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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