R1 353+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. 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.
ONT — JNB
Aug 21 — Aug 281
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 16 August 2025.

Cheapest airline

Alaska Airlines
On average, Alaska Airlines currently has the cheapest one-way flight from Ontario (avg. price of R11 520).
Search Deals

Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 16 August 2025.

Wed 27/87:00ONT - CPT
2 stops25h 10mUnited Airlines
Sat 6/919:50CPT - ONT
2 stops25h 42mUnited Airlines
Deal found 15/8R18 368
Wed 11/26:02ONT - CPT
2 stops25h 58mUnited Airlines
Sun 15/220:50CPT - ONT
2 stops57h 27mUnited Airlines
Deal found 14/8R19 036
Thu 22/17:00ONT - CPT
2 stops23h 10mUnited Airlines
Mon 9/220:50CPT - ONT
2 stops25h 43mUnited Airlines
Deal found 14/8R20 126
Wed 3/96:04ONT - CPT
2 stops26h 06mUnited Airlines
Fri 3/1020:00CPT - ONT
2 stops33h 24mUnited Airlines
Deal found 15/8R20 565
Sat 6/918:50ONT - CPT
2 stops59h 30mUnited Airlines
Fri 10/1020:00CPT - ONT
2 stops34h 24mUnited Airlines
Deal found 14/8R20 812
Wed 4/211:30ONT - CPT
2 stops37h 00mQatar Airways
Wed 18/218:55CPT - ONT
2 stops33h 22mQatar Airways
Deal found 15/8R20 847
Thu 29/111:30ONT - CPT
2 stops37h 00mQatar Airways
Wed 4/218:55CPT - ONT
2 stops33h 22mQatar Airways
Deal found 15/8R20 864
Wed 3/97:00ONT - CPT
3 stops41h 45mMultiple Airlines
Fri 3/1020:00CPT - ONT
2 stops35h 52mMultiple Airlines
Deal found 15/8R20 987
Wed 11/210:57ONT - JNB
2 stops37h 28mAmerican Airlines
Sun 15/222:00JNB - ONT
2 stops33h 40mAmerican Airlines
Deal found 13/8R21 321
Sun 14/96:00ONT - CPT
2 stops43h 50mQatar Airways
Sun 21/913:00CPT - ONT
2 stops44h 03mQatar Airways
Deal found 15/8R21 550
Tue 9/922:56ONT - JNB
2 stops48h 24mEtihad Airways
Tue 23/99:50JNB - ONT
2 stops44h 39mEtihad Airways
Deal found 14/8R21 550
Sat 1/116:00ONT - CPT
2 stops50h 30mQatar Airways
Fri 14/1112:35CPT - ONT
2 stops42h 18mQatar Airways
Deal found 13/8R21 585

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 August 2025. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

OR Tambo

Route

Depart

Return

Price

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Wed 27/8

7:00-17:10

2 stops25h 10m

Cape Town Intl

Sat 6/9

19:50-12:32

2 stops25h 42m

R18 368

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Wed 11/2

6:02-18:00

2 stops25h 58m

Cape Town Intl

Sun 15/2

20:50-20:17

2 stops57h 27m

R19 036

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Thu 22/1

7:00-16:10

2 stops23h 10m

Cape Town Intl

Mon 9/2

20:50-18:00

3 stops31h 10m

R20 126

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Thu 25/9

6:00-15:20

2 stops24h 20m

Cape Town Intl

Fri 3/10

20:00-20:24

2 stops33h 24m

R20 126

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Sat 24/1

7:00-16:10

2 stops23h 10m

Cape Town Intl

Mon 9/2

20:50-12:33

2 stops25h 43m

R20 126

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Wed 3/9

6:04-17:10

2 stops26h 06m

Cape Town Intl

Fri 3/10

20:00-20:24

2 stops33h 24m

R20 565

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Sat 6/9

18:50-15:20

2 stops59h 30m

Cape Town Intl

Fri 10/10

20:00-21:24

2 stops34h 24m

R20 812

OntarioCape Town

ONT - CPT

ONTCPT

Ontario

Wed 4/2

11:30-10:30

2 stops37h 00m

Cape Town Intl

Wed 18/2

18:55-18:17

2 stops33h 22m

R20 847

OntarioJohannesburg

ONT - JNB

ONTJNB

Ontario

Wed 11/2

10:57-10:25

2 stops37h 28m

Johannesburg OR Tambo

Sun 15/2

22:00-21:40

2 stops33h 40m

R21 321

OntarioJohannesburg

ONT - JNB

ONTJNB

Ontario

Tue 9/9

22:56-8:20

2 stops48h 24m

Johannesburg OR Tambo

Tue 23/9

9:50-21:29

2 stops44h 39m

R21 550

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario?

Currently, November is the cheapest month in which you can book a flight from Ontario (average of R14 343). Flying from Ontario in July will prove the most costly (average of R22 569). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 August 2025.

  • What are the most popular destinations to fly to from Ontario?

    The most selected flight destinations from Ontario for the current month are Denver, Dallas/Fort Worth Airport, Honolulu. While Dallas/Fort Worth Airport, Denver, Guadalajara are the top choices made by travellers year-round.

  • What is the cheapest month to fly from Ontario?

    November is currently the cheapest month to fly from Ontario. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Ontario with no change fees?

    Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

See more FAQs

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 from Ontario?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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.