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Cheap flights from Ontario to Cardiff from £420

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
10 Jan — 17 Jan1
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 11 December 2025.

Tue 9/1212:15YYZ - CWL
2 stops16h 35mDelta
Tue 16/1210:20CWL - YYZ
1 stop13h 55mDelta
Deal found 8/12£729
Mon 15/1219:05YUL - CWL
2 stops16h 50mKLM
Mon 22/1210:20CWL - YUL
2 stops15h 30mKLM
Deal found 10/12£840
Wed 10/1215:38YYZ - CWL
2 stops20h 17mDelta
Wed 17/1210:20CWL - YYZ
2 stops41h 37mDelta
Deal found 9/12£906
Wed 10/1218:45YYZ - CWL
2 stops17h 10mKLM
Wed 17/1217:25CWL - YYZ
1 stop30h 50mKLM
Deal found 9/12£936
Tue 9/1221:15YYZ - CWL
1 stop14h 40mKLM
Tue 16/1210:20CWL - YYZ
1 stop13h 55mKLM
Deal found 8/12£956
Tue 9/1207:05YYZ - CWL
3 stops27h 25mMultiple Airlines
Tue 16/1220:55CWL - YYZ
2 stops27h 01mMultiple Airlines
Deal found 8/12£1,101
Tue 9/1213:30YTZ - CWL
3 stops21h 00mMultiple Airlines
Tue 16/1220:55CWL - YTZ
2 stops29h 55mMultiple Airlines
Deal found 8/12£1,101
Sun 21/1217:25YYZ - CWL
1 stop24h 40mMultiple Airlines
Sun 28/1221:20CWL - YYZ
2 stops28h 55mMultiple Airlines
Deal found 8/12£1,291
Wed 10/1221:35YYZ - CWL
3 stops29h 30mMultiple Airlines
Wed 17/1215:55CWL - YYZ
2 stops27h 25mMultiple Airlines
Deal found 9/12£1,299
Sun 21/1218:45YYZ - CWL
2 stops17h 00mKLM
Sun 28/1217:30CWL - YYZ
2 stops27h 55mKLM
Deal found 8/12£1,436

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 11 December 2025.

Round-trip from

£420

Popular in

December

Cheapest in

July

Average price

£1,029
4/3-6/3
  • 4/3-6/3
  • 2 total stops
  • 33h 25m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£108 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 11 December 2025.
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

Wed 4/3

21:55-15:35

1 stop12h 40m

Cardiff Wales

Fri 6/3

22:25-14:10

1 stop20h 45m

£420

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 22/1

17:50-09:50

1 stop11h 00m

Cardiff Wales

Thu 29/1

10:20-19:15

1 stop13h 55m

£532

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

19:10-09:50

1 stop9h 40m

Cardiff Wales

Sun 25/1

10:15-12:12

2 stops54h 57m

£542

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 3/3

21:15-16:55

1 stop14h 40m

Cardiff Wales

Fri 6/3

17:15-19:15

1 stop31h 00m

£554

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 13/1

12:10-09:50

2 stops16h 40m

Cardiff Wales

Thu 22/1

10:20-19:15

1 stop13h 55m

£557

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 24/1

21:15-09:50

1 stop31h 35m

Cardiff Wales

Sat 31/1

17:25-15:40

1 stop27h 15m

£557

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 14/1

23:00-16:55

2 stops12h 55m

Cardiff Wales

Wed 21/1

17:25-15:40

1 stop27h 15m

£558

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 16/1

06:00-09:50

2 stops22h 50m

Cardiff Wales

Tue 20/1

10:20-19:15

1 stop13h 55m

£560

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

10:35-09:50

3 stops42h 15m

Cardiff Wales

Thu 29/1

17:25-17:00

3 stops28h 35m

£602

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

19:05-16:45

2 stops16h 40m

Cardiff Wales

Thu 29/1

17:25-17:20

1 stop28h 55m

£726

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 19 results
1
2

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 £668). 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 Virgin Atlantic, Delta, and KLM 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 5h. 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 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, 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 £668). 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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