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Cheap flights from Cardiff to Ontario from £193

CWL — YYZ
26 Sep — 3 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

Tue 15/923:15 -
1 stop19h 05m
Thu 8/1021:35 -
1 stop28h 20m
Deal found 26/8£346
Sat 12/911:35 -
Nonstop8h 10m
Thu 8/1021:35 -
1 stop28h 20m
Deal found 26/8£354
Tue 15/923:15 -
1 stop19h 05m
Sun 4/1023:55 -
1 stop16h 50m
Deal found 26/8£357
Sat 12/911:35 -
Nonstop8h 10m
Tue 6/1023:55 -
1 stop18h 30m
Deal found 26/8£361
Sat 12/911:35 -
Nonstop8h 10m
Sun 4/1023:55 -
1 stop16h 50m
Deal found 26/8£365
Thu 17/922:50 -
1 stop19h 30m
Thu 8/1021:35 -
1 stop28h 20m
Deal found 26/8£376
Thu 17/922:50 -
1 stop19h 30m
Tue 6/1023:55 -
1 stop18h 30m
Deal found 26/8£383
Thu 17/922:50 -
1 stop19h 30m
Sun 4/1023:55 -
1 stop16h 50m
Deal found 26/8£387
Tue 8/911:35 -
Nonstop8h 10m
Wed 23/923:55 -
1 stop17h 30m
Deal found 24/8£388
Tue 15/923:15 -
1 stop19h 05m
Sat 3/1021:35 -
1 stop18h 45m
Deal found 26/8£393
Sat 12/911:35 -
Nonstop8h 10m
Sat 3/1021:35 -
1 stop18h 45m
Deal found 26/8£400
Tue 15/923:15 -
2 stops20h 45m
Thu 15/1021:35 -
1 stop28h 20m
Deal found 25/8£402

Find flight deals from Cardiff to Ontario

Round-trip from

£346

One-way from

£193

Popular in

December

Cheapest in

September

Average price

£513

Good round-trip deal

£521 or less

Good one-way deal

£194 or less
15/9-8/10
  • 15/9-8/10
  • 2 total stops
  • 47h 25m total
  • Cardiff to Ontario
Search Deals
WestJet
  • WestJet
  • 12/9
  • Nonstop
  • 8h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 27% 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
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 8/9

11:35-14:45

Nonstop8h 10m

Toronto Pearson Intl

Wed 23/9

23:55-22:25

1 stop17h 30m

£388

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 25/10

23:50-20:45

2 stops24h 55m

Toronto Pearson Intl

Sat 7/11

19:45-13:55

1 stop13h 10m

£496

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 22/9

23:15-22:00

3 stops27h 45m

Toronto Pearson Intl

Tue 29/9

18:20-23:25

3 stops24h 05m

£543

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 8/10

22:50-12:45

2 stops42h 55m

Toronto Pearson Intl

Fri 30/10

18:20-07:50

1 stop9h 30m

£630

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 16/9

09:45-19:15

1 stop14h 30m

Toronto Pearson Intl

Wed 7/10

21:05-16:45

1 stop14h 40m

£637

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 25/10

12:00-21:15

2 stops37h 15m

Toronto Pearson Intl

Sat 7/11

22:20-11:30

2 stops32h 10m

£640

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

£659

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 14/9

17:15-15:15

2 stops27h 00m

Toronto Pearson Intl

Mon 5/10

21:55-16:45

1 stop13h 50m

£663
Cheapest one-way
Fastest single journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 12/9

11:35-14:45

Nonstop8h 10m

£200

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 30/9

23:50-09:49

3 stops38h 59m

£245

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 15 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 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
3,438 reviews
Check prices

Crew

7.9

Entertainment

6.1

Food

6.2

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
3,438 reviews
WestJet
7.2
Good
3,438 reviews
Check prices

Crew

7.9

Entertainment

6.1

Food

6.2

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.

  • 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 £414 on average, our data indicates £426 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£304Average£426FlexibilityNo 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.

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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