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Cheap flights from Ontario to Cardiff from £137

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Cardiff
Explore the most affordable flight options available from Ontario to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Fri 29/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Sat 6/611:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 10/2£353
Thu 16/420:45
YYZ
-
CWL
2 stops20h 35m
Multiple Airlines
Tue 21/423:15
CWL
-
YYZ
2 stops24h 55m
Multiple Airlines
Deal found 10/2£370
Sun 5/722:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 14/711:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 10/2£380
Mon 6/722:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 16/711:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 13/2£384
Fri 3/722:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 14/711:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 10/2£390
Fri 29/522:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sat 6/609:25
CWL
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 10/2£396
Mon 11/521:35
YYZ
-
CWL
1 stop20h 15m
Multiple Airlines
Tue 26/523:15
CWL
-
YYZ
1 stop19h 05m
Multiple Airlines
Deal found 10/2£401
Sun 17/521:35
YYZ
-
CWL
1 stop19h 25m
Multiple Airlines
Tue 26/523:15
CWL
-
YYZ
1 stop19h 05m
Multiple Airlines
Deal found 10/2£406
Sun 5/722:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Tue 14/723:15
CWL
-
YYZ
2 stops20h 45m
Multiple Airlines
Deal found 10/2£407
Tue 12/518:15
YYZ
-
CWL
2 stops24h 10m
Multiple Airlines
Tue 26/511:35
CWL
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 10/2£412
Tue 12/523:55
YYZ
-
CWL
1 stop18h 30m
Multiple Airlines
Wed 27/523:50
CWL
-
YYZ
1 stop18h 30m
Multiple Airlines
Deal found 10/2£414
Thu 14/523:55
YYZ
-
CWL
1 stop17h 25m
Multiple Airlines
Wed 27/523:50
CWL
-
YYZ
1 stop18h 30m
Multiple Airlines
Deal found 10/2£417

Find flight deals from Ontario to Cardiff

Keep the following information in mind while searching for Ontario to Cardiff flight deals. Data was last updated 13 February 2026.

Round-trip from

£353

One-way from

£137

Popular in

January

Cheapest in

July

Average price

£540
WestJet
  • WestJet
  • 29/5-6/6
  • Nonstop
  • 15h 00m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 15/6
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Ontario to Cardiff that are best for you.

Fly from

Ontario

Fly to

Cardiff

Route

Depart

Return

Price

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 3/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Tue 14/7

23:15-15:00

2 stops20h 45m

£441

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 13/3

20:25-19:40

2 stops19h 15m

Cardiff Wales

Fri 29/5

22:45-15:50

1 stop22h 05m

£506

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 6/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Mon 13/7

22:25-15:50

1 stop22h 25m

£511

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 19/3

18:50-16:45

1 stop17h 55m

Cardiff Wales

Tue 31/3

17:15-13:20

1 stop25h 05m

£538

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 4/3

17:50-16:55

1 stop18h 05m

Cardiff Wales

Sun 8/3

10:20-20:15

1 stop13h 55m

£539

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 4/3

17:50-16:55

1 stop18h 05m

Cardiff Wales

Wed 18/3

17:25-16:40

1 stop27h 15m

£539

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 31/3

16:45-09:15

1 stop11h 30m

Cardiff Wales

Sat 9/5

17:35-13:20

1 stop24h 45m

£548

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 6/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Thu 16/7

22:50-14:55

1 stop21h 05m

£548

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 3/4

16:45-09:15

1 stop11h 30m

Cardiff Wales

Sun 12/4

09:50-19:55

1 stop15h 05m

£549

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 30/3

22:00-22:50

1 stop19h 50m

Cardiff Wales

Mon 6/4

22:25-14:15

1 stop20h 50m

£549

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 40 results
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Best time to book a flight from Ontario to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Cardiff

What is the cheapest month to book a flight from Region of Ontario to Cardiff?

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £54). Flying from Region of Ontario to Cardiff in July is currently the most expensive (average of £565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from Ontario?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Ontario to Cardiff.

  • How long is the flight from Region of Ontario to Cardiff?

    Airlines like Virgin Atlantic, KLM, and Delta fly from Region of Ontario to Cardiff in about 9h 40m. The time it takes to get you to your destination can typically vary by up to 8h 15m. Region of Ontario and Cardiff are separated by a distance of 3126 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Cardiff?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Cardiff Wales or Toronto Island - Cardiff Wales, Toronto Pearson Intl - Cardiff Wales is the most popular route from Region of Ontario to Cardiff.

  • Can I find deals for flights from Ontario to Cardiff that include hotel bookings?

    Yes. In addition to deals on Ontario to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cardiff.

  • Can I find deals for business class flights from Ontario to Cardiff?

    Yes. Cheapflights offers flight deals from Ontario to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Cardiff?

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £54). Flying from Region of Ontario to Cardiff in July is currently the most expensive (average of £565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

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How does Cheapflights help users find flights from Ontario to Cardiff?

When you search for this flight from Ontario to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Cardiff with no change fees?

Certainly. Search results for flights to Cardiff from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Cardiff become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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