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Cheap flights from Ontario to Cardiff from £167

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
13 Sep — 20 Sep1
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 14 August 2026.

Wed 9/922:10 -
Nonstop7h 05m
Tue 22/923:15 -
2 stops27h 30m
Deal found 11/8£400
Tue 22/921:35 -
1 stop20h 50m
Wed 30/923:50 -
2 stops22h 20m
Deal found 11/8£401
Sat 26/923:55 -
1 stop16h 25m
Sat 3/1007:30 -
1 stop13h 20m
Deal found 12/8£407
Wed 9/921:35 -
1 stop19h 50m
Tue 15/923:15 -
1 stop19h 05m
Deal found 11/8£445
Sun 6/921:35 -
1 stop19h 10m
Thu 10/911:35 -
Nonstop8h 10m
Deal found 9/8£451
Mon 28/923:10 -
2 stops18h 40m
Sat 10/1007:30 -
2 stops16h 40m
Deal found 12/8£457
Wed 2/920:20 -
2 stops21h 05m
Mon 7/922:10 -
1 stop18h 45m
Deal found 14/8£471
Wed 2/913:00 -
3 stops28h 25m
Sat 12/911:35 -
Nonstop8h 10m
Deal found 12/8£477
Tue 8/921:35 -
1 stop20h 50m
Tue 22/923:15 -
2 stops20h 45m
Deal found 10/8£477
Fri 4/922:10 -
Nonstop7h 05m
Sat 12/911:35 -
Nonstop8h 10m
Deal found 9/8£482
Mon 21/917:30 -
3 stops18h 15m
Mon 28/922:10 -
2 stops22h 40m
Deal found 11/8£518
Wed 2/918:50 -
1 stop9h 25m
Wed 16/909:45 -
1 stop12h 10m
Deal found 9/8£560

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 14 August 2026.

Round-trip from

£400

One-way from

£167

Popular in

January

Cheapest in

August

Average price

£361
9/9-22/9
  • 9/9-22/9
  • 2 total stops
  • 34h 35m total
  • Ontario to Cardiff
Search Deals
6/10
  • 6/10
  • 1 total stop
  • 18h 30m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£202 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 14 August 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

Cheapest return flight

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Wed 23/9

18:10-22:25

3 stops23h 15m

Cardiff Wales

Wed 30/9

23:50-17:10

2 stops22h 20m

£541

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Wed 2/9

23:10-22:20

2 stops42h 10m

Cardiff Wales

Mon 7/9

11:35-14:45

Nonstop8h 10m

£548
Fastest return journey

MontrealCardiff

YUL Montreal Pierre Elliott Trudeau Intl - CWL Cardiff Wales

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

18:50-09:15

1 stop9h 25m

Cardiff Wales

Wed 16/9

09:45-16:55

1 stop12h 10m

£560

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Tue 27/10

18:55-09:50

1 stop10h 55m

Cardiff Wales

Wed 4/11

10:20-19:15

1 stop13h 55m

£560

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Mon 26/10

21:30-17:00

2 stops15h 30m

Cardiff Wales

Mon 16/11

17:30-15:40

1 stop27h 10m

£574

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Mon 7/9

15:20-09:15

2 stops12h 55m

Cardiff Wales

Mon 21/9

17:15-13:20

1 stop25h 05m

£584

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Mon 26/10

21:30-17:00

2 stops15h 30m

Cardiff Wales

Mon 16/11

10:20-22:51

2 stops17h 31m

£596

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Thu 29/10

21:30-17:00

2 stops15h 30m

Cardiff Wales

Wed 4/11

10:20-23:29

2 stops18h 09m

£596

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Wed 9/9

12:15-09:15

2 stops16h 00m

Cardiff Wales

Mon 14/9

09:45-23:39

2 stops18h 54m

£598

TorontoCardiff

YYZ Toronto Pearson Intl - CWL Cardiff Wales

YYZCWL

Toronto Pearson Intl

Fri 11/9

07:55-09:15

2 stops20h 20m

Cardiff Wales

Tue 15/9

09:45-23:12

2 stops18h 27m

£598

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 42 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, June is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £306). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of £858). 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.

What is the cheapest time of day to fly from ON to CWL?

Find hourly flight availability from Ontario to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Cardiff as you normally would.

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

Airfare is typical for this route at the moment.
Region of Ontario to Cardiff flights typically cost between £328 and £450 in September.
The cheapest return price found within the last 5 days was £400 on Multiple Airlines (9 Sept–22 Sept).

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 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 . Region of Ontario and Cardiff are separated by a distance of 3126 mi.

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

    While some choose either Toronto Island - Cardiff Wales or Montreal Pierre Elliott Trudeau Intl - 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, June is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £306). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of £858). 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
Bridgend
Barry

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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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