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Cheap flights from Cardiff to Ontario from £443

CWL — YYZ
29 Oct — 5 Nov1
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 7/1108:15 -
1 stop12h 35m
Sun 15/1117:20 -
1 stop9h 50m
Deal found 28/9£443
Sat 21/1108:15 -
1 stop12h 35m
Sat 28/1117:20 -
1 stop15h 35m
Deal found 26/9£491
Mon 9/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 26/9£540
Mon 9/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 28/9£540
Sat 21/1110:20 -
1 stop10h 20m
Sat 5/1217:55 -
1 stop10h 55m
Deal found 27/9£555
Mon 9/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop18h 05m
Deal found 25/9£557
Wed 7/1009:45 -
2 stops18h 44m
Wed 14/1021:05 -
1 stop14h 40m
Deal found 26/9£562
Mon 23/1117:30 -
1 stop27h 10m
Sun 29/1117:55 -
1 stop10h 55m
Deal found 26/9£565
Sun 22/1117:30 -
1 stop27h 10m
Sat 5/1217:55 -
1 stop10h 55m
Deal found 27/9£566

Find flight deals from Cardiff to Ontario

Round-trip from

£443

Popular in

December

Cheapest in

July

Average price

£408

Good round-trip deal

£578 or less

Good one-way deal

£222 or less
7/11-15/11
  • 7/11-15/11
  • 2 total stops
  • 22h 25m total
  • Cardiff to Ontario
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Highest demand for flights based on searches. 27% potential increase in price (£175 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£48 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

Mon 9/11

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Mon 16/11

17:55-17:00

1 stop18h 05m

£557

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 10/11

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Tue 17/11

17:55-17:00

1 stop18h 05m

£558

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 18/2

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Fri 26/2

17:55-17:00

1 stop18h 05m

£561

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 20/1

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Wed 3/2

17:55-17:00

1 stop18h 05m

£565

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 23/11

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Sun 29/11

17:55-09:50

1 stop10h 55m

£565

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 22/11

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Sun 6/12

17:55-17:00

1 stop18h 05m

£566

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 22/11

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Sat 5/12

17:55-09:50

1 stop10h 55m

£566
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 21/1

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Wed 3/2

17:55-09:50

1 stop10h 55m

£573

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 9/11

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Mon 16/11

18:30-17:00

2 stops17h 30m

£579

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 10/10

12:30-19:10

3 stops59h 40m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,294

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Sorted by cheapest first

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

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
3,449 reviews
Check prices

Overall

7.2

Comfort

7.1

Food

6.2

Entertainment

6.1

Crew

7.9

Boarding

7.4

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
3,449 reviews
WestJet
7.2
Good
3,449 reviews
Check prices

Overall

7.2

Comfort

7.1

Food

6.2

Entertainment

6.1

Crew

7.9

Boarding

7.4

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?

    Virgin Atlantic and KLM can get you from Cardiff to Region of Ontario in just under 10h 20m. Your travel time can differ by up to 3h 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 £211. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £443 on average, our data indicates £454 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£314Average£440FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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Deals for Cardiff to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Ontario flexibly with Cheapflights today.

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