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Cheap flights from Cardiff to Ontario from £298

CWL — YYZ
5 Dec — 12 Dec1
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
Mon 30/1119:40 -
3 stops33h 10m
Deal found 2/11£600
Thu 26/1113:25 -
2 stops31h 50m
Sat 12/1219:45 -
1 stop13h 10m
Deal found 2/11£605
Wed 2/1217:30 -
3 stops29h 45m
Wed 9/1219:40 -
2 stops12h 20m
Deal found 2/11£623
Sat 5/1208:15 -
1 stop12h 35m
Sat 12/1217:20 -
1 stop15h 35m
Deal found 5/11£627
Sat 5/1208:15 -
1 stop12h 35m
Wed 9/1217:20 -
1 stop14h 40m
Deal found 4/11£635
Tue 1/1217:30 -
3 stops29h 45m
Sun 6/1219:40 -
3 stops33h 05m
Deal found 3/11£639
Mon 23/1110:20 -
1 stop10h 20m
Mon 30/1117:55 -
1 stop10h 50m
Deal found 3/11£644
Mon 23/1110:20 -
1 stop10h 20m
Mon 30/1117:55 -
1 stop18h 05m
Deal found 3/11£646
Thu 3/1210:20 -
1 stop13h 55m
Thu 10/1221:15 -
1 stop31h 35m
Deal found 3/11£652

Find flight deals from Cardiff to Ontario

Round-trip from

£600

One-way from

£298

Popular in

December

Cheapest in

July

Average price

£563

Good round-trip deal

£536 or less
23/11-30/11
  • 23/11-30/11
  • 5 total stops
  • 47h 50m total
  • Cardiff to Ontario
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27/2-31/12
  • 27/2-31/12
  • 2 total stops
  • 35h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£94 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£37 potential savings vs. average return price).
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Average for round-trip flights in November 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 27/2

08:15-14:25

2 stops35h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£298

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 6/12

09:05-15:50

3 stops35h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£300

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 14/4

17:15-13:20

2 stops25h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£307
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 1/3

08:35-15:50

1 stop12h 15m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£361

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 2/3

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£421

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 28/2

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£421

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 14/4

09:50-19:55

1 stop15h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£422

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Fri 15/1

10:20-15:50

3 stops34h 30m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£442

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Fri 20/11

10:20-15:50

3 stops34h 30m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£450

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Fri 15/1

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£461

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 19 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
3,441 reviews
Check prices

Crew

7.9

Entertainment

6.1

Comfort

7.1

Boarding

7.4

Food

6.2

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
3,441 reviews
WestJet
7.2
Good
3,441 reviews
Check prices

Crew

7.9

Entertainment

6.1

Comfort

7.1

Boarding

7.4

Food

6.2

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 £531. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £525 on average, our data indicates £569 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£308Average£433FlexibilityNo 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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