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Cheap flights from Cardiff to Ontario from £305

CWL — YYZ
2 Dec — 9 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 31/10£582
Wed 2/1217:30 -
3 stops29h 45m
Sat 12/1219:40 -
2 stops13h 15m
Deal found 30/10£662
Wed 25/1110:20 -
3 stops31h 40m
Wed 2/1219:45 -
1 stop12h 15m
Deal found 28/10£668
Tue 1/1217:30 -
1 stop27h 10m
Tue 8/1217:55 -
1 stop18h 05m
Deal found 1/11£699
Mon 23/1110:20 -
1 stop10h 20m
Mon 30/1117:55 -
1 stop18h 05m
Deal found 30/10£707
Wed 25/1110:20 -
1 stop10h 20m
Wed 2/1217:55 -
1 stop10h 50m
Deal found 28/10£712
Mon 16/1117:30 -
1 stop27h 10m
Mon 23/1117:55 -
1 stop10h 50m
Deal found 29/10£716
Mon 23/1110:20 -
1 stop10h 20m
Mon 30/1117:55 -
1 stop10h 50m
Deal found 30/10£718

Find flight deals from Cardiff to Ontario

Round-trip from

£582

One-way from

£305

Popular in

December

Cheapest in

July

Average price

£567

Good round-trip deal

£539 or less
23/11-30/11
  • 23/11-30/11
  • 5 total stops
  • 47h 50m total
  • Cardiff to Ontario
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29/11-31/12
  • 29/11-31/12
  • 3 total stops
  • 58h 25m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£38 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

Wed 30/12

21:40-15:00

2 stops22h 20m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£389

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 14/12

08:35-11:10

1 stop31h 35m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£469

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 17/1

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£470

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 12/1

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£470

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 31/12

13:25-19:50

3 stops35h 25m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£476

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 16/1

10:15-22:52

2 stops17h 37m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£533

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 31/12

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£602

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 6/4

17:15-19:10

3 stops30h 55m

Toronto Pearson Intl

Tue 20/4

20:45-09:15

3 stops31h 30m

£662

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 12/4

17:15-13:20

2 stops25h 05m

Toronto Pearson Intl

Mon 19/4

21:20-09:15

2 stops30h 55m

£672

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 28/12

08:35-11:10

1 stop31h 35m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£676

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 16 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
3,442 reviews
Check prices

Boarding

7.4

Crew

7.9

Food

6.2

Comfort

7.1

Entertainment

6.1

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
3,442 reviews
WestJet
7.2
Good
3,442 reviews
Check prices

Boarding

7.4

Crew

7.9

Food

6.2

Comfort

7.1

Entertainment

6.1

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 and Virgin Atlantic can get you from Cardiff to Region of Ontario in just under 10h 20m. 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 £534. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £567 on average, our data indicates £572 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£310Average£436FlexibilityNo 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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