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Cheap flights from Cardiff to Ontario from C$ 757

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Ontario

Keep the following information in mind while searching for Cardiff to Ontario flight deals. Data was last updated 31 October 2025.

Round-trip from

C$ 1,204

One-way from

C$ 757

Popular in

August

Cheapest in

January

Average price

C$ 1,197
KLM
  • KLM
  • 13/11-14/2
  • 2 total stops
  • 45h 30m total
  • Cardiff to Ontario
Search Deals
13/11
  • 13/11
  • 3 total stops
  • 37h 40m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 340 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 87 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Cardiff to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Ontario
Explore the most affordable flight options available from Cardiff to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Thu 13/1110:20 a.m.CWL - YYZ
1 stop13h 55mMultiple Airlines
Sat 14/29:15 p.m.YYZ - CWL
1 stop31h 35mMultiple Airlines
Deal found 30/10C$ 1,204
Fri 14/1110:20 a.m.CWL - YYZ
2 stops15h 15mMultiple Airlines
Sat 14/29:15 p.m.YYZ - CWL
1 stop31h 35mMultiple Airlines
Deal found 30/10C$ 1,276
Thu 13/1110:20 a.m.CWL - YYZ
1 stop13h 55mDelta
Thu 12/212:10 p.m.YYZ - CWL
2 stops16h 40mDelta
Deal found 30/10C$ 1,308
Sat 15/1110:20 a.m.CWL - YYZ
1 stop13h 55mKLM
Thu 12/212:10 p.m.YYZ - CWL
2 stops16h 40mKLM
Deal found 30/10C$ 1,313
Sat 15/1110:20 a.m.CWL - YYZ
2 stops17h 30mMultiple Airlines
Thu 12/212:10 p.m.YYZ - CWL
2 stops16h 40mMultiple Airlines
Deal found 30/10C$ 1,346
Fri 14/1110:20 a.m.CWL - YYZ
2 stops27h 07mKLM
Thu 12/212:10 p.m.YYZ - CWL
2 stops16h 40mKLM
Deal found 30/10C$ 1,382
Thu 13/118:35 a.m.CWL - YYZ
2 stops16h 40mBritish Airways
Sat 14/26:05 p.m.YYZ - CWL
2 stops12h 25mBritish Airways
Deal found 30/10C$ 1,444
Thu 13/1110:20 a.m.CWL - YYZ
1 stop13h 55mMultiple Airlines
Thu 12/25:50 p.m.YYZ - CWL
1 stop17h 55mMultiple Airlines
Deal found 30/10C$ 1,500
Sat 15/1110:20 a.m.CWL - YYZ
2 stops17h 30mMultiple Airlines
Sat 14/212:10 p.m.YYZ - CWL
2 stops16h 35mMultiple Airlines
Deal found 30/10C$ 1,568

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Cardiff to Ontario that are best for you.

Fly from

Cardiff

Fly to

Ontario

Route

Depart

Return

Price

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 14/11

5:15 p.m.-3:40 p.m.

1 stop27h 25m

Toronto Pearson Intl

Sat 14/2

9:15 p.m.-9:50 a.m.

1 stop31h 35m

C$ 1,204

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 15/11

10:20 a.m.-7:15 p.m.

1 stop13h 55m

Toronto Pearson Intl

Sat 14/2

9:15 p.m.-9:50 a.m.

1 stop31h 35m

C$ 1,204

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 13/11

10:20 a.m.-7:15 p.m.

1 stop13h 55m

Toronto Pearson Intl

Sat 14/2

9:15 p.m.-9:50 a.m.

1 stop31h 35m

C$ 1,204

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 25/3

10:20 a.m.-5:25 p.m.

2 stops35h 05m

Toronto Pearson Intl

Sun 29/3

6:10 p.m.-4:45 p.m.

2 stops17h 35m

C$ 1,257

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 14/11

10:20 a.m.-8:35 p.m.

2 stops15h 15m

Toronto Pearson Intl

Sat 14/2

9:15 p.m.-9:50 a.m.

1 stop31h 35m

C$ 1,276

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 13/11

10:20 a.m.-7:15 p.m.

1 stop13h 55m

Toronto Pearson Intl

Thu 12/2

12:10 p.m.-9:50 a.m.

2 stops16h 40m

C$ 1,308

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 15/11

10:20 a.m.-10:50 p.m.

2 stops17h 30m

Toronto Pearson Intl

Thu 12/2

12:10 p.m.-9:50 a.m.

2 stops16h 40m

C$ 1,346

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 13/11

10:30 a.m.-7:10 p.m.

3 stops37h 40m

C$ 757

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 14/11

10:25 p.m.-7:10 p.m.

3 stops49h 45m

C$ 792

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 15/11

8:05 p.m.-8:17 a.m.

3 stops41h 12m

C$ 793

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 12 results
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Best time to book a flight from Cardiff to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cardiff with our price prediction graph.
Estimated round-trip 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 from Cardiff to Ontario

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

Currently, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of C$ 173). Flying from Cardiff to Region of Ontario in August is currently the most expensive (average of C$ 1,067). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Cardiff to Region of Ontario?

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Ontario?

    Located just 14.6 km from the city centre, Cardiff Wales (CWL) is the airport most travellers will use when flying to Ontario from Cardiff.

  • How long is the flight from Cardiff to Region of Ontario?

    A quick flight from Cardiff to Region of Ontario can take about 27h 25m. KLM provides one of the quickest options available for as low as C$ 1,204. The distance from Cardiff to Region of Ontario is about 5523 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cardiff to Ontario that include hotel bookings?

    Yes. In addition to deals on Cardiff to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Ontario.

  • Can I find deals for business class flights from Cardiff to Ontario?

    Yes. Cheapflights offers flight deals from Cardiff to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of C$ 173). Flying from Cardiff to Region of Ontario in August is currently the most expensive (average of C$ 1,067). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Cardiff to Ontario?

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

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Can Cheapflights find flights from Cardiff to Ontario with no change fees?

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

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