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Cheap flights from Cardiff to Ontario from £303

CWL — YYZ
18 Nov — 25 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

Mon 23/1108:35 -
2 stops14h 40m
Sat 28/1119:40 -
2 stops13h 15m
Deal found 14/10£467
Tue 17/1110:20 -
1 stop10h 20m
Mon 30/1117:55 -
1 stop18h 05m
Deal found 14/10£621
Tue 3/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop18h 05m
Deal found 14/10£622
Mon 2/1110:20 -
1 stop10h 20m
Mon 9/1117:55 -
1 stop10h 50m
Deal found 15/10£646
Mon 16/1117:30 -
1 stop27h 10m
Mon 23/1117:55 -
1 stop10h 50m
Deal found 14/10£647
Mon 2/1117:30 -
1 stop27h 10m
Mon 9/1117:55 -
1 stop18h 05m
Deal found 16/10£650
Tue 1/1217:30 -
1 stop27h 10m
Tue 8/1221:15 -
1 stop14h 45m
Deal found 17/10£669

Find flight deals from Cardiff to Ontario

Round-trip from

£467

One-way from

£303

Popular in

December

Cheapest in

July

Average price

£683

Good round-trip deal

£537 or less
23/11-28/11
  • 23/11-28/11
  • 4 total stops
  • 27h 55m total
  • Cardiff to Ontario
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28/11-31/12
  • 28/11-31/12
  • 3 total stops
  • 59h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£109 potential increase over avg. return price).
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Cheapest flight prices on average. 10% potential price decrease (£43 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip 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

Sat 28/11

10:50-15:00

2 stops33h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£341
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 15/12

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£449

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 19/1

17:30-18:15

3 stops29h 45m

Toronto Pearson Intl

Sat 23/1

19:40-09:50

3 stops33h 10m

£638

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 1/12

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Tue 8/12

17:55-09:50

1 stop10h 55m

£650

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

£668

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 8/3

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Mon 15/3

18:55-09:50

1 stop10h 55m

£674

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 22/3

17:30-16:40

1 stop27h 10m

Toronto Pearson Intl

Wed 31/3

21:55-16:45

1 stop13h 50m

£677

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 3/11

10:20-23:29

2 stops18h 09m

Toronto Pearson Intl

Mon 16/11

18:04-17:00

2 stops17h 56m

£691

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 8/3

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Mon 15/3

19:30-17:00

2 stops17h 30m

£695

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 16/11

17:30-16:10

2 stops27h 40m

Toronto Pearson Intl

Mon 23/11

18:30-17:00

2 stops17h 30m

£698

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 11 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

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 35 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
3,447 reviews
Check prices

Entertainment

6.1

Food

6.2

Crew

7.9

Comfort

7.1

Boarding

7.4

Overall

7.2

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
3,447 reviews
WestJet
7.2
Good
3,447 reviews
Check prices

Entertainment

6.1

Food

6.2

Crew

7.9

Comfort

7.1

Boarding

7.4

Overall

7.2

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 27h 10m. 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 £529. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £614 on average, our data indicates £541 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£311Average£437FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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.

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

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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