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Cheap flights from Ontario to Cardiff from £304

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Cardiff

Keep the following information in mind while searching for Ontario to Cardiff flight deals. Data was last updated 16 January 2026.

Round-trip from

£342

One-way from

£304

Popular in

December

Cheapest in

July

Average price

£529
WestJet
  • WestJet
  • 1/6-9/6
  • Nonstop
  • 15h 00m total
  • Ontario to Cardiff
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27/2
  • 27/2
  • 2 total stops
  • 21h 25m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£90 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 16 January 2026.

Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 9/611:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 15/1£342
Fri 22/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Mon 25/511:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 15/1£346
Fri 22/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 26/511:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 14/1£352
Fri 22/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 28/511:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 14/1£356
Sun 24/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 26/511:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 14/1£358
Fri 22/522:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 27/523:50
CWL
-
YYZ
2 stops20h 10m
Multiple Airlines
Deal found 14/1£360
Sun 24/522:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 28/511:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 14/1£362
Fri 22/522:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 28/522:25
CWL
-
YYZ
1 stop19h 55m
Multiple Airlines
Deal found 14/1£366
Sun 24/522:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 27/523:50
CWL
-
YYZ
2 stops20h 10m
Multiple Airlines
Deal found 14/1£367
Sun 24/522:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Tue 26/523:15
CWL
-
YYZ
2 stops20h 45m
Multiple Airlines
Deal found 14/1£368
Thu 29/113:02
YUL
-
CWL
2 stops39h 48m
Delta
Mon 2/210:20
CWL
-
YUL
1 stop12h 00m
Delta
Deal found 15/1£538
Sat 10/1022:00
YUL
-
CWL
2 stops32h 30m
British Airways
Sat 17/1012:00
CWL
-
YUL
2 stops37h 15m
British Airways
Deal found 13/1£746

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 16 January 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 22/5

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Mon 25/5

11:35-14:30

Nonstop7h 55m

£346

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 12/6

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Sat 20/6

11:35-14:30

Nonstop7h 55m

£389

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 6/4

22:00-22:50

1 stop19h 50m

Cardiff Wales

Fri 17/4

22:45-14:15

1 stop20h 30m

£413

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 22/6

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Mon 29/6

11:35-14:30

Nonstop7h 55m

£415

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 22/6

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Tue 30/6

11:35-14:30

Nonstop7h 55m

£415

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 21/6

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Tue 30/6

11:35-14:30

Nonstop7h 55m

£415

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 18/5

23:05-22:50

1 stop18h 45m

Cardiff Wales

Thu 28/5

11:35-14:30

Nonstop7h 55m

£425

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 17/5

08:00-22:00

2 stops33h 00m

Cardiff Wales

Sat 30/5

11:35-14:30

Nonstop7h 55m

£426

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 21/5

23:05-22:20

1 stop18h 15m

Cardiff Wales

Wed 27/5

23:50-13:20

1 stop18h 30m

£429

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 13/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Sat 1/8

11:35-14:30

Nonstop7h 55m

£441

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 23 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 £57). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of £635). 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.

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

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 WestJet and Delta fly from Region of Ontario to Cardiff in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 32h 43m. Region of Ontario and Cardiff are separated by 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 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 £57). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of £635). 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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