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Cheap flights from Ontario to Cardiff from £155

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
3 Jun — 10 Jun1
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 4 May 2026.

Fri 5/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Mon 15/622:10
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 30/4£338
Mon 8/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Mon 15/622:10
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 29/4£341
Sun 7/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 17/623:30
CWL
-
YYZ
2 stops20h 30m
Multiple Airlines
Deal found 29/4£342
Sun 7/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sun 14/621:45
CWL
-
YYZ
2 stops22h 15m
Multiple Airlines
Deal found 29/4£342
Mon 15/622:55
YYZ
-
CWL
1 stop18h 55m
Multiple Airlines
Mon 22/622:10
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 1/5£346
Sun 7/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Fri 19/622:45
CWL
-
YYZ
2 stops21h 15m
Multiple Airlines
Deal found 29/4£362
Sun 7/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 18/622:50
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Deal found 29/4£367
Wed 10/622:10
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Wed 17/623:30
CWL
-
YYZ
1 stop21h 20m
Multiple Airlines
Deal found 29/4£375
Tue 16/606:45
YUL
-
CWL
3 stops35h 20m
Multiple Airlines
Tue 23/616:15
CWL
-
YUL
2 stops33h 45m
Multiple Airlines
Deal found 2/5£448
Mon 15/617:30
YTZ
-
CWL
3 stops34h 45m
Multiple Airlines
Mon 22/622:10
CWL
-
YTZ
2 stops21h 11m
Multiple Airlines
Deal found 1/5£507
Wed 19/817:45
YUL
-
CWL
1 stop11h 30m
Multiple Airlines
Wed 26/823:30
CWL
-
YUL
2 stops22h 15m
Multiple Airlines
Deal found 2/5£542
Tue 16/618:50
YUL
-
CWL
1 stop9h 25m
KLM
Tue 23/617:15
CWL
-
YUL
1 stop28h 40m
KLM
Deal found 2/5£606

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 4 May 2026.

Round-trip from

£338

One-way from

£155

Popular in

January

Cheapest in

August

Average price

£608
5/6-15/6
  • 5/6-15/6
  • 2 total stops
  • 31h 05m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 25/5
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£216 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 4 May 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
Fastest return journey

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 12/6

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Tue 16/6

11:35-14:45

Nonstop8h 10m

£417

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

06:45-23:05

3 stops35h 20m

Cardiff Wales

Tue 23/6

23:15-00:37

3 stops30h 22m

£477

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 3/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Thu 16/7

22:50-14:55

1 stop21h 05m

£493

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Mon 15/6

17:30-09:15

3 stops34h 45m

Cardiff Wales

Mon 22/6

22:10-14:21

2 stops21h 11m

£507

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

17:45-10:15

1 stop11h 30m

Cardiff Wales

Wed 26/8

23:30-16:45

2 stops22h 15m

£542

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 1/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Tue 7/7

23:15-15:50

1 stop21h 35m

£550

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 1/7

22:10-10:15

Nonstop7h 05m

Cardiff Wales

Wed 8/7

21:10-16:25

3 stops24h 15m

£553

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 16/6

21:55-09:15

1 stop30h 20m

Cardiff Wales

Tue 23/6

17:15-19:55

1 stop31h 40m

£562

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 10/6

21:55-09:15

1 stop30h 20m

Cardiff Wales

Fri 19/6

09:45-17:39

2 stops36h 54m

£581

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 11/6

21:55-09:15

1 stop30h 20m

Cardiff Wales

Fri 19/6

09:45-11:25

2 stops30h 40m

£581

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 47 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £46). Flying from Region of Ontario to Cardiff in March is currently the most expensive (average of £663). 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 KLM 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 23h 15m. 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £46). Flying from Region of Ontario to Cardiff in March is currently the most expensive (average of £663). 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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