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Cheap flights from Ontario to Cardiff from £147

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
30 Mar — 6 Apr1
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 28 February 2026.

Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 17/623:50
CWL
-
YYZ
2 stops20h 10m
Multiple Airlines
Deal found 25/2£318
Wed 3/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 17/623:50
CWL
-
YYZ
1 stop18h 30m
Multiple Airlines
Deal found 25/2£323
Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 18/622:50
CWL
-
YYZ
1 stop22h 00m
Multiple Airlines
Deal found 25/2£339
Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sun 21/621:45
CWL
-
YYZ
1 stop23h 05m
Multiple Airlines
Deal found 24/2£347
Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 18/611:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 25/2£349
Mon 1/622:10
YYZ
-
CWL
Nonstop7h 05m
WestJet
Sat 20/611:35
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 25/2£354
Mon 13/422:00
YYZ
-
CWL
1 stop19h 50m
Multiple Airlines
Wed 22/423:50
CWL
-
YYZ
1 stop19h 25m
Multiple Airlines
Deal found 25/2£363
Mon 29/619:20
YUL
-
CWL
1 stop9h 55m
WestJet
Thu 30/711:35
CWL
-
YUL
1 stop17h 50m
WestJet
Deal found 27/2£448
Mon 29/619:20
YUL
-
CWL
2 stops22h 30m
Multiple Airlines
Thu 30/711:35
CWL
-
YUL
1 stop11h 45m
Multiple Airlines
Deal found 27/2£527
Sun 12/420:35
YUL
-
CWL
1 stop11h 35m
Multiple Airlines
Sun 19/417:40
CWL
-
YUL
2 stops32h 20m
Multiple Airlines
Deal found 26/2£644
Sun 29/320:35
YUL
-
CWL
1 stop11h 35m
Multiple Airlines
Sun 5/417:40
CWL
-
YUL
2 stops46h 00m
Multiple Airlines
Deal found 27/2£662
Sun 12/418:50
YUL
-
CWL
1 stop9h 25m
Virgin Atlantic
Sun 19/409:50
CWL
-
YUL
1 stop12h 05m
Virgin Atlantic
Deal found 26/2£729

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 28 February 2026.

Round-trip from

£318

One-way from

£147

Popular in

January

Cheapest in

July

Average price

£546
1/6-17/6
  • 1/6-17/6
  • 2 total stops
  • 27h 15m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 7/6
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 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 28 February 2026.
Use the filters below to find and compare flights from Ontario to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 14/5

23:50-22:20

2 stops17h 30m

Cardiff Wales

Thu 21/5

22:50-13:20

1 stop19h 30m

£555

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 5/5

16:45-16:45

1 stop19h 00m

Cardiff Wales

Tue 12/5

09:45-23:16

2 stops18h 31m

£557

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 30/5

07:55-09:15

2 stops44h 20m

Cardiff Wales

Wed 17/6

09:45-19:55

1 stop15h 10m

£572

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 13/4

12:16-09:15

2 stops15h 59m

Cardiff Wales

Wed 22/4

09:45-22:56

2 stops18h 11m

£576

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 1/6

07:55-16:45

2 stops27h 50m

Cardiff Wales

Sun 21/6

09:50-19:55

1 stop15h 05m

£585

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 2/6

14:30-16:45

2 stops21h 15m

Cardiff Wales

Sun 21/6

09:50-19:55

1 stop15h 05m

£585

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 30/5

07:55-09:15

2 stops20h 20m

Cardiff Wales

Thu 18/6

09:45-13:37

2 stops32h 52m

£590

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 21/6

22:05-22:00

2 stops18h 55m

Cardiff Wales

Thu 25/6

22:50-13:20

1 stop19h 30m

£640

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

20:35-13:10

1 stop11h 35m

Cardiff Wales

Sun 19/4

17:40-21:00

2 stops32h 20m

£644

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

20:35-13:10

1 stop11h 35m

Cardiff Wales

Sun 5/4

17:40-10:40

2 stops46h 00m

£662

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 35 resultsSorted by cheapest first
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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 £571). 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 Delta, Virgin Atlantic, and KLM fly from Region of Ontario to Cardiff in about 9h 25m. The time it takes to get you to your destination can typically vary by up to 9h 35m. 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 £571). 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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