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R12 284+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
Apr 23 — Apr 301
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 24 March 2026.

Thu 12/1122:00
JNB
-
ONT
2 stops34h 23m
British Airways
Mon 16/1112:46
ONT
-
JNB
2 stops32h 49m
British Airways
Deal found 19/3R17 323
Fri 20/1122:00
JNB
-
ONT
2 stops54h 22m
British Airways
Tue 24/117:00
ONT
-
JNB
2 stops38h 35m
British Airways
Deal found 22/3R17 340
Wed 8/420:55
JNB
-
ONT
2 stops36h 04m
Multiple Airlines
Wed 11/1112:00
ONT
-
JNB
2 stops29h 55m
Multiple Airlines
Deal found 22/3R23 957
Tue 28/420:40
JNB
-
ONT
2 stops34h 52m
Qatar Airways
Tue 5/510:39
ONT
-
JNB
2 stops37h 11m
Qatar Airways
Deal found 23/3R24 024
Mon 30/314:55
JNB
-
ONT
2 stops42h 04m
Qatar Airways
Thu 16/46:00
ONT
-
JNB
2 stops41h 50m
Qatar Airways
Deal found 20/3R24 160
Tue 7/418:00
JNB
-
ONT
2 stops31h 28m
Delta
Thu 12/117:00
ONT
-
JNB
2 stops29h 05m
Delta
Deal found 23/3R24 296
Tue 7/418:00
JNB
-
ONT
2 stops31h 28m
Delta
Fri 13/117:00
ONT
-
JNB
2 stops43h 10m
Delta
Deal found 23/3R24 313
Sun 29/314:55
JNB
-
ONT
2 stops42h 04m
Qatar Airways
Wed 15/46:00
ONT
-
JNB
2 stops41h 50m
Qatar Airways
Deal found 20/3R24 415
Tue 7/418:00
JNB
-
ONT
2 stops31h 28m
Delta
Sun 8/1122:59
ONT
-
JNB
2 stops37h 06m
Delta
Deal found 23/3R25 127
Mon 9/1120:20
JNB
-
ONT
2 stops31h 53m
Qatar Airways
Mon 4/16:00
ONT
-
JNB
2 stops40h 40m
Qatar Airways
Deal found 24/3R25 348

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 24 March 2026.

Return from

R16 033

One-way from

R12 284

Popular in

July

Cheapest in

September

Average price

R16 831
11/5-26/5
  • 11/5-26/5
  • 2 total stops
  • 53h 00m total
  • Johannesburg to Los Angeles
Search Deals
Qatar Airways
  • Qatar Airways
  • 20/4
  • 2 total stops
  • 30h 33m total
  • Johannesburg to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (R1 550 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 March 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 24 March 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 28/4

20:40-22:32

2 stops34h 52m

Ontario

Tue 5/5

10:39-8:50

2 stops37h 11m

R24 024

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 7/4

18:00-16:28

2 stops31h 28m

Ontario

Sat 14/11

7:00-22:05

2 stops53h 05m

R24 296

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sun 5/4

19:00-21:50

2 stops35h 50m

Ontario

Sun 12/4

5:10-18:30

2 stops28h 20m

R27 553

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Wed 8/7

18:00-16:44

2 stops31h 44m

Ontario

Wed 22/7

23:59-10:30

2 stops49h 31m

R29 080

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sun 5/4

20:55-22:30

2 stops34h 35m

Ontario

Wed 22/4

10:39-8:50

2 stops37h 11m

R29 572

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Mon 6/4

21:15-16:22

2 stops52h 07m

Ontario

Sat 14/11

12:46-7:35

2 stops56h 49m

R29 674

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Sun 5/7

14:45-13:22

2 stops31h 37m

Ontario

Sun 12/7

12:08-4:00

2 stops30h 52m

R30 489
Fastest return journey

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 11/8

21:55-18:01

1 stop29h 06m

Ontario

Tue 1/9

7:00-19:40

1 stop27h 40m

R36 715

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Wed 8/4

19:00-12:37

2 stops50h 37m

Ontario

Wed 11/11

5:00-18:35

2 stops27h 35m

R36 715

JohannesburgOntario

JNB - ONT

JNBONT

Johannesburg OR Tambo

Tue 11/8

21:55-18:01

1 stop29h 06m

Ontario

Mon 31/8

22:59-19:40

1 stop35h 41m

R36 715

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 22 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 28 hours 9 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 430
United Airlines
United Airlines
From R16 399

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 24 March 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
7 813 reviews
Check prices

Crew

7,6

Boarding

6,9

Food

6,4

Overall

6,7

Comfort

6,8

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
7 813 reviews
British Airways
6,7
Okay
7 813 reviews
Check prices

Crew

7,6

Boarding

6,9

Food

6,4

Overall

6,7

Comfort

6,8

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, Johannesburg offers the quickest one-way flight (28 hours 9 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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