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Cheap flights from Cardiff to Ontario from £220

CWL — YYZ
6 Oct — 13 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 14/922:10 -
2 stops22h 30m
Mon 28/923:55 -
1 stop17h 55m
Deal found 3/9£448
Sat 12/911:35 -
Nonstop8h 10m
Sat 19/923:55 -
1 stop16h 25m
Deal found 5/9£448
Tue 15/923:15 -
1 stop21h 35m
Tue 22/923:55 -
1 stop18h 30m
Deal found 1/9£463
Sat 21/1108:15 -
1 stop12h 35m
Wed 25/1117:20 -
1 stop14h 40m
Deal found 3/9£472
Thu 1/1022:50 -
2 stops21h 50m
Thu 8/1021:35 -
1 stop28h 20m
Deal found 3/9£473
Sun 4/1021:45 -
2 stops18h 15m
Tue 13/1023:55 -
1 stop18h 30m
Deal found 2/9£502
Tue 8/911:35 -
Nonstop8h 10m
Fri 11/918:20 -
3 stops33h 50m
Deal found 2/9£508

Find flight deals from Cardiff to Ontario

Round-trip from

£448

One-way from

£220

Popular in

December

Cheapest in

September

Average price

£399

Good round-trip deal

£505 or less

Good one-way deal

£195 or less
15/9-22/9
  • 15/9-22/9
  • 3 total stops
  • 39h 55m total
  • Cardiff to Ontario
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21/9-31/12
  • 21/9-31/12
  • 3 total stops
  • 39h 50m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£168 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£46 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
Fastest return journey

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 16/9

23:50-13:40

2 stops18h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£254

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 20/9

21:45-15:40

2 stops22h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£271

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Thu 8/10

22:50-15:40

2 stops21h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£286

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Wed 7/10

23:50-15:40

2 stops20h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£286

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 15/11

09:05-21:15

3 stops41h 10m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£310

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 3/10

07:30-11:00

2 stops32h 30m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£310

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 13/9

12:00-13:40

2 stops30h 40m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£330

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 12/9

07:30-11:00

2 stops32h 30m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£332

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sat 19/9

12:00-15:50

3 stops32h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

CardiffToronto

CWL Cardiff Wales - YYZ Toronto Pearson Intl

CWLYYZ

Cardiff Wales

Sun 14/2

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Wed 3/3

17:55-09:50

1 stop10h 55m

£530

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 18 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 much does it cost for a return flight from Cardiff to Region of Ontario?

Airfare is typical for this route at the moment.
Cardiff to Region of Ontario flights typically cost between £454 and £763 in November.
The cheapest return price found within the last 5 days was £472 on Multiple Airlines (21 Nov–25 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

Comfort

7.1

Crew

7.9

Food

6.2

Boarding

7.4

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

Comfort

7.1

Crew

7.9

Food

6.2

Boarding

7.4

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 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 £191. While the most popular route (Cardiff Wales - Toronto Pearson Intl) can be booked for £472 on average, our data indicates £402 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 2 airlines flying from Cardiff to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£307Average£430FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£627Average£783FlexibilityNo cancel feeOn-time75%
Search KLM 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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