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Cheap flights from Cardiff to Ontario from £411

CWL — YYZ
25 Nov — 2 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

Sat 26/1208:15 -
2 stops14h 45m
Wed 30/1219:15 -
2 stops12h 45m
Deal found 23/10£662
Mon 21/1208:35 -
2 stops14h 40m
Thu 31/1219:40 -
2 stops22h 05m
Deal found 22/10£664
Thu 10/1213:25 -
2 stops36h 50m
Wed 30/1217:20 -
1 stop14h 40m
Deal found 25/10£691
Mon 9/1117:30 -
1 stop27h 10m
Tue 17/1121:15 -
1 stop31h 30m
Deal found 23/10£693
Mon 9/1117:30 -
1 stop27h 10m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 25/10£700
Mon 16/1117:30 -
1 stop27h 10m
Mon 7/1217:55 -
1 stop10h 50m
Deal found 23/10£701
Tue 8/1210:20 -
1 stop10h 20m
Tue 15/1221:15 -
1 stop14h 45m
Deal found 24/10£710
Mon 9/1110:20 -
1 stop10h 20m
Mon 16/1117:55 -
1 stop10h 50m
Deal found 24/10£720
Sun 22/1117:30 -
1 stop27h 10m
Sun 29/1121:15 -
1 stop31h 30m
Deal found 25/10£722

Find flight deals from Cardiff to Ontario

Round-trip from

£662

One-way from

£411

Popular in

December

Cheapest in

July

Average price

£680

Good round-trip deal

£535 or less
26/12-30/12
  • 26/12-30/12
  • 4 total stops
  • 27h 30m total
  • Cardiff to Ontario
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9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 52h 55m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£108 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

Wed 9/12

12:15-12:10

3 stops52h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£411

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 22/11

17:30-18:15

3 stops29h 45m

Toronto Pearson Intl

Sun 29/11

19:40-09:45

3 stops33h 05m

£700

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 9/11

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Mon 16/11

17:55-09:45

1 stop10h 50m

£700

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 5/12

08:15-15:50

1 stop12h 35m

Toronto Pearson Intl

Sat 12/12

18:45-08:10

2 stops32h 25m

£700
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 8/12

10:20-15:40

1 stop10h 20m

Toronto Pearson Intl

Tue 15/12

21:15-17:00

1 stop14h 45m

£720

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Tue 8/12

10:20-22:54

2 stops17h 34m

Toronto Pearson Intl

Tue 15/12

21:15-17:00

1 stop14h 45m

£743

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 11/1

10:20-19:45

2 stops14h 25m

Toronto Pearson Intl

Mon 18/1

17:55-17:00

1 stop18h 05m

£759

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Mon 21/12

17:30-18:15

3 stops29h 45m

Toronto Pearson Intl

Mon 28/12

19:15-09:50

3 stops33h 35m

£759

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 26/12

08:15-15:00

2 stops35h 45m

Toronto Pearson Intl

Wed 30/12

17:20-13:00

1 stop14h 40m

£785

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 14/1

10:20-23:00

2 stops17h 40m

Toronto Pearson Intl

Thu 21/1

18:10-17:00

2 stops17h 50m

£797

Flights are sorted by cheapest return flights first.

Deals found on 25/10

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
3,445 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Food

6.2

Crew

7.9

Comfort

7.1

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
3,445 reviews
WestJet
7.2
Good
3,445 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Food

6.2

Crew

7.9

Comfort

7.1

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 16h 50m. Airlines will cover a distance of 3432 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest flights from Cardiff to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for £527. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £655 on average, our data indicates £540 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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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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