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Cheap flights from Cardiff to Ontario from £194

CWL — YYZ
22 Sep — 29 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Ontario

Sat 29/811:35 -
Nonstop8h 10m
Tue 15/921:55 -
2 stops43h 30m
Deal found 18/8£357
Wed 9/923:50 -
2 stops22h 25m
Wed 30/921:35 -
1 stop28h 45m
Deal found 19/8£389
Wed 16/923:50 -
2 stops20h 10m
Wed 23/923:55 -
1 stop17h 30m
Deal found 19/8£412
Sat 29/811:35 -
Nonstop8h 10m
Fri 18/921:55 -
2 stops30h 00m
Deal found 18/8£418
Mon 31/811:35 -
Nonstop8h 10m
Mon 7/919:15 -
2 stops22h 35m
Deal found 19/8£420
Fri 4/922:45 -
1 stop20h 15m
Tue 15/921:55 -
2 stops43h 30m
Deal found 18/8£421
Sat 29/811:35 -
Nonstop8h 10m
Mon 14/919:15 -
2 stops22h 35m
Deal found 18/8£421
Tue 1/911:35 -
Nonstop8h 10m
Fri 11/922:10 -
2 stops33h 35m
Deal found 22/8£429
Thu 3/911:35 -
Nonstop8h 10m
Wed 16/921:35 -
1 stop19h 50m
Deal found 18/8£433

Find flight deals from Cardiff to Ontario

Round-trip from

£389

One-way from

£194

Popular in

December

Cheapest in

September

Average price

£511

Good round-trip deal

£520 or less

Good one-way deal

£193 or less
9/9-30/9
  • 9/9-30/9
  • 3 total stops
  • 51h 10m total
  • Cardiff to Ontario
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WestJet
  • WestJet
  • 8/9
  • Nonstop
  • 8h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£166 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£45 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Cardiff Wales to Ontario.
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Price to beat on a one-way flight from Cardiff Wales to Ontario.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cardiff to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 4/11

10:20-23:29

2 stops18h 09m

Toronto Pearson Intl

Wed 11/11

21:15-17:00

1 stop14h 45m

£657

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 7/10

09:45-23:29

2 stops18h 44m

Toronto Pearson Intl

Wed 14/10

16:45-16:45

1 stop19h 00m

£657

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 19/10

17:15-13:20

1 stop25h 05m

Toronto Pearson Intl

Sat 31/10

18:55-09:50

1 stop10h 55m

£664

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 17/10

07:30-15:40

2 stops37h 10m

Toronto Pearson Intl

Sat 31/10

18:20-23:25

1 stop25h 05m

£695

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 7/10

23:50-18:47

3 stops23h 57m

Toronto Pearson Intl

Wed 14/10

20:45-22:25

3 stops20h 40m

£748

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 21/9

09:45-19:55

1 stop15h 10m

Toronto Pearson Intl

Mon 28/9

21:55-09:15

1 stop30h 20m

£772

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 22/9

09:45-19:55

1 stop15h 10m

Toronto Pearson Intl

Mon 28/9

21:55-16:45

1 stop13h 50m

£772
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 3/9

11:35-14:45

Nonstop8h 10m

Toronto Pearson Intl

Sun 6/9

22:10-10:15

Nonstop7h 05m

£794

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 2/9

09:45-19:55

1 stop15h 10m

Toronto Pearson Intl

Tue 15/9

16:45-09:15

1 stop11h 30m

£800

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 15/12

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Mon 4/1

17:55-09:50

1 stop10h 55m

£805

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 return price

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Ontario

What is the cheapest time of day to fly from CWL to ON?

When flying from Cardiff to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Cardiff to Region of Ontario?

Airfare is below average for this route at the moment.
Cardiff to Region of Ontario flights typically cost between £437 and £744 in September.
The cheapest return price found within the last 5 days was £389 on Multiple Airlines (9 Sept–30 Sept).

How far ahead should I book a flight from Cardiff to Region of Ontario?

The price you pay for your flight from Cardiff to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with WestJet from Cardiff to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,437 reviews
Check prices

Food

6.2

Entertainment

6.1

Crew

7.9

Boarding

7.4

Overall

7.2

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,437 reviews
WestJet
7.2
Good
3,437 reviews
Check prices

Food

6.2

Entertainment

6.1

Crew

7.9

Boarding

7.4

Overall

7.2

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Related info for your journey

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

    Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to Ontario. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

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

    KLM and Virgin Atlantic can get you from Cardiff to Region of Ontario in just under 18h 09m. Your travel time can differ by up to 35m. Airlines will cover a distance of 3432 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest flights from Cardiff to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for £131. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £465 on average, our data indicates £425 when flying from Cardiff to Region of Ontario.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cardiff to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£303Average£425FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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