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Cheap flights from Cardiff to Ontario from £301

CWL — YYZ
23 Oct — 30 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

Mon 21/922:10 -
2 stops43h 35m
Thu 24/921:35 -
1 stop28h 20m
Deal found 19/9£439
Sat 21/1108:15 -
1 stop12h 35m
Sun 29/1117:20 -
1 stop9h 50m
Deal found 21/9£448
Sat 7/1108:15 -
1 stop12h 35m
Sun 15/1117:20 -
1 stop9h 50m
Deal found 21/9£450
Mon 28/922:10 -
1 stop18h 45m
Mon 5/1020:20 -
2 stops21h 30m
Deal found 21/9£479
Sat 21/1108:15 -
2 stops35h 40m
Wed 2/1219:45 -
1 stop12h 15m
Deal found 21/9£486
Sat 21/1108:15 -
1 stop12h 35m
Sat 28/1117:20 -
1 stop15h 35m
Deal found 21/9£505
Mon 9/1117:30 -
1 stop30h 45m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 23/9£517
Mon 9/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 23/9£519
Mon 21/922:10 -
2 stops43h 35m
Sat 26/921:35 -
1 stop18h 45m
Deal found 19/9£527
Sun 27/921:45 -
1 stop23h 05m
Sun 4/1023:55 -
1 stop16h 50m
Deal found 22/9£532

Find flight deals from Cardiff to Ontario

Round-trip from

£448

One-way from

£301

Popular in

December

Cheapest in

September

Average price

£404

Good round-trip deal

£572 or less

Good one-way deal

£214 or less
21/11-29/11
  • 21/11-29/11
  • 2 total stops
  • 22h 25m total
  • Cardiff to Ontario
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6/11-31/12
  • 6/11-31/12
  • 3 total stops
  • 28h 45m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£171 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£47 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

Fri 6/11

16:05-15:50

3 stops28h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£301

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 2/11

08:35-19:00

3 stops39h 25m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£332

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 5/11

13:25-21:15

3 stops36h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Fri 30/10

23:10-22:05

2 stops26h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£388

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 1/11

23:50-15:50

1 stop21h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£462

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

17:55-09:45

1 stop10h 50m

£519

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 28/9

09:45-19:55

1 stop15h 10m

Toronto Pearson Intl

Mon 5/10

16:45-16:45

1 stop19h 00m

£538

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 2/11

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Mon 9/11

17:55-09:45

1 stop10h 50m

£538

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 24/11

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Sun 29/11

17:55-17:00

1 stop18h 05m

£568

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 29/11

17:55-09:50

1 stop10h 55m

£568

Flights are sorted by cheapest return flights first.

Deals found on 22/9

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

How much does it cost for a return flight from Cardiff to Region of Ontario?

Airfare is below average for this route at the moment.
Cardiff to Region of Ontario flights typically cost between £529 and £583 in November.
The cheapest return price found within the last 5 days was £448 on Multiple Airlines (21 Nov–29 Nov).

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
3,446 reviews
Check prices

Entertainment

6.1

Crew

7.9

Comfort

7.1

Overall

7.2

Boarding

7.4

Food

6.2

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
3,446 reviews
WestJet
7.2
Good
3,446 reviews
Check prices

Entertainment

6.1

Crew

7.9

Comfort

7.1

Overall

7.2

Boarding

7.4

Food

6.2

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?

    Virgin Atlantic can get you from Cardiff to Region of Ontario in just under 15h 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 £198. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £450 on average, our data indicates £451 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£436FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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