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Cheap flights from Cardiff to Ontario from £293

CWL — YYZ
13 Oct — 20 Oct1
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

Thu 10/911:35 -
Nonstop8h 10m
Mon 28/923:55 -
1 stop17h 55m
Deal found 10/9£391
Mon 14/922:10 -
2 stops43h 35m
Mon 28/923:55 -
1 stop17h 55m
Deal found 10/9£450
Tue 13/1023:15 -
1 stop17h 10m
Wed 21/1021:30 -
2 stops19h 55m
Deal found 8/9£468
Tue 22/923:15 -
2 stops22h 05m
Tue 29/918:20 -
2 stops24h 05m
Deal found 10/9£470
Sat 21/1108:15 -
1 stop12h 35m
Sat 28/1117:20 -
1 stop15h 35m
Deal found 9/9£476
Fri 25/922:45 -
2 stops21h 55m
Mon 28/923:55 -
1 stop17h 55m
Deal found 11/9£492
Tue 27/1017:30 -
1 stop30h 45m
Tue 3/1121:15 -
1 stop31h 30m
Deal found 12/9£516
Mon 2/1110:20 -
1 stop10h 20m
Mon 9/1117:55 -
1 stop10h 50m
Deal found 9/9£520
Sat 10/1007:30 -
2 stops37h 20m
Sat 17/1023:55 -
1 stop16h 25m
Deal found 9/9£520

Find flight deals from Cardiff to Ontario

Round-trip from

£468

One-way from

£293

Popular in

December

Cheapest in

September

Average price

£399

Good round-trip deal

£565 or less

Good one-way deal

£212 or less
13/10-21/10
  • 13/10-21/10
  • 3 total stops
  • 37h 05m total
  • Cardiff to Ontario
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22/9-31/12
  • 22/9-31/12
  • 2 total stops
  • 21h 25m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£168 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£46 potential savings vs. average return price).
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Average for round-trip flights in September 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

Tue 22/9

23:15-15:40

2 stops21h 25m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£293

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 17/10

07:30-11:00

2 stops32h 30m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£331

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 7/10

23:50-20:50

3 stops50h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£334
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 19/9

07:30-15:50

1 stop13h 20m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£480

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 27/10

17:30-20:15

1 stop30h 45m

Toronto Pearson Intl

Tue 3/11

21:15-09:45

1 stop31h 30m

£516

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 28/10

10:20-20:15

1 stop13h 55m

Toronto Pearson Intl

Wed 4/11

21:15-17:00

1 stop14h 45m

£516

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 1/10

22:50-16:00

2 stops22h 10m

Toronto Pearson Intl

Thu 22/10

23:55-22:20

1 stop17h 25m

£538

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 20/9

21:45-15:50

1 stop23h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£539

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 2/11

10:20-23:29

2 stops18h 09m

Toronto Pearson Intl

Mon 9/11

17:55-09:45

1 stop10h 50m

£542

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 2/2

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Mon 8/2

17:55-17:00

1 stop18h 05m

£544

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 13 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 typical for this route at the moment.
Cardiff to Region of Ontario flights typically cost between £418 and £495 in October.
The cheapest return price found within the last 5 days was £468 on Multiple Airlines (13 Oct–21 Oct).

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 23 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
3,444 reviews
Check prices

Comfort

7.1

Overall

7.2

Boarding

7.4

Entertainment

6.1

Crew

7.9

Food

6.2

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
3,444 reviews
WestJet
7.2
Good
3,444 reviews
Check prices

Comfort

7.1

Overall

7.2

Boarding

7.4

Entertainment

6.1

Crew

7.9

Food

6.2

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 can get you from Cardiff to Region of Ontario in just under 30h 45m. Your travel time can differ by up to . Airlines will cover a distance of 3432 mi.

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

    Looking at all options, your cheapest flight can be booked for £195. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £492 on average, our data indicates £445 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£307Average£430FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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