Find flights
When to book
FAQs

Cheap flights from Ontario to Cardiff from £140

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Cardiff

Enter your travel dates to find the best prices.

Best flights from Ontario to Cardiff
Discover carefully curated flight deals from Ontario to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Wed 8/422:00YYZ - CWL
1 stop19h 00mMultiple Airlines
Wed 15/423:50CWL - YYZ
1 stop19h 25mMultiple Airlines
Deal found 31/12£494
Sat 14/221:15YYZ - CWL
1 stop31h 35mVirgin Atlantic
Sat 21/210:20CWL - YYZ
2 stops17h 20mVirgin Atlantic
Deal found 31/12£508
Wed 21/112:07YYZ - CWL
2 stops23h 48mDelta
Sun 25/110:15CWL - YYZ
1 stop14h 00mDelta
Deal found 31/12£513
Wed 8/418:00YYZ - CWL
2 stops17h 45mKLM
Wed 15/409:45CWL - YYZ
1 stop15h 10mKLM
Deal found 31/12£523
Thu 5/221:15YYZ - CWL
1 stop14h 30mDelta
Thu 19/210:20CWL - YYZ
2 stops17h 20mDelta
Deal found 1/1£515
Sat 14/220:10YUL - CWL
1 stop19h 00mMultiple Airlines
Sat 21/210:20CWL - YUL
2 stops31h 20mMultiple Airlines
Deal found 31/12£566
Thu 29/106:00YUL - CWL
2 stops22h 50mDelta
Mon 2/210:20CWL - YUL
1 stop12h 00mDelta
Deal found 31/12£542
Sat 2/521:55YYZ - CWL
1 stop13h 50mDelta
Sun 17/509:50CWL - YYZ
1 stop15h 05mDelta
Deal found 1/1£551
Thu 7/506:00YYZ - CWL
2 stops22h 15mDelta
Sun 17/509:50CWL - YYZ
1 stop15h 05mDelta
Deal found 1/1£553
Wed 6/512:09YYZ - CWL
2 stops40h 06mDelta
Tue 19/509:45CWL - YYZ
2 stops36h 39mDelta
Deal found 1/1£557
Sun 15/220:10YUL - CWL
1 stop15h 45mMultiple Airlines
Sun 22/207:00CWL - YUL
1 stop34h 10mMultiple Airlines
Deal found 1/1£753
Sat 14/217:30YTZ - CWL
3 stops35h 20mMultiple Airlines
Sat 21/220:05CWL - YTZ
3 stops24h 50mMultiple Airlines
Deal found 31/12£902

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 2 January 2026.

Round-trip from

£365

One-way from

£140

Popular in

December

Cheapest in

July

Average price

£554
WestJet
  • WestJet
  • 5/6-13/6
  • Nonstop
  • 15h 00m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 1/6
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 2 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

Wed 8/4

22:00-22:00

1 stop19h 00m

Cardiff Wales

Wed 15/4

23:50-14:15

1 stop19h 25m

£494

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 14/2

21:15-09:50

1 stop31h 35m

Cardiff Wales

Sat 21/2

10:20-22:40

2 stops17h 20m

£508

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 21/1

12:07-16:55

2 stops23h 48m

Cardiff Wales

Sun 25/1

10:15-19:15

1 stop14h 00m

£513

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 5/2

21:15-16:45

1 stop14h 30m

Cardiff Wales

Thu 19/2

10:20-22:40

2 stops17h 20m

£515

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 8/4

18:00-16:45

2 stops17h 45m

Cardiff Wales

Wed 15/4

09:45-19:55

1 stop15h 10m

£523

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

06:00-09:50

2 stops22h 50m

Cardiff Wales

Mon 2/2

10:20-17:20

1 stop12h 00m

£542

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 2/5

21:55-16:45

1 stop13h 50m

Cardiff Wales

Sun 17/5

09:50-19:55

1 stop15h 05m

£551

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 7/5

06:00-09:15

2 stops22h 15m

Cardiff Wales

Sun 17/5

09:50-19:55

1 stop15h 05m

£553

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 6/5

12:09-09:15

2 stops40h 06m

Cardiff Wales

Tue 19/5

09:45-17:24

2 stops36h 39m

£557

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

20:10-20:10

1 stop19h 00m

Cardiff Wales

Sat 21/2

10:20-12:40

2 stops31h 20m

£566

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 23 results
1
2
3

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 £56). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of £632). 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 and Delta fly from Region of Ontario to Cardiff in about 23h 48m. The time it takes to get you to your destination can typically vary by up to 7h 47m. 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 £56). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of £632). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.