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Cheap flights from Ontario to Cardiff from £321

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Ontario to Cardiff

Keep the following information in mind while searching for Ontario to Cardiff flight deals. Data was last updated 13 June 2025.

Round-trip from

£490

One-way from

£321

Popular in

August

Cheapest in

February

Average price

£847
1/10-7/10
  • 1/10-7/10
  • 3 total stops
  • 39h 25m total
  • Ontario to Cardiff
Search Deals
25/8
  • 25/8
  • 1 total stop
  • 16h 30m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Cardiff

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 13 June 2025.

Wed 1/1022:15YYZ - CWL
1 stop16h 30mMultiple Airlines
Tue 7/1020:15CWL - YYZ
2 stops22h 55mMultiple Airlines
Deal found 12/6£490
Wed 17/918:00YYZ - CWL
2 stops17h 45mDelta
Tue 21/1009:50CWL - YYZ
1 stop15h 05mDelta
Deal found 11/6£502
Wed 17/922:10YYZ - CWL
1 stop30h 05mKLM
Tue 21/1017:15CWL - YYZ
1 stop25h 15mKLM
Deal found 11/6£548
Thu 10/718:50YUL - CWL
1 stop9h 25mKLM
Thu 17/709:50CWL - YUL
2 stops15h 20mKLM
Deal found 12/6£687
Fri 18/716:45YYZ - CWL
1 stop19h 20mAir France
Wed 30/709:50CWL - YYZ
2 stops16h 05mAir France
Deal found 10/6£698
Wed 17/918:00YYZ - CWL
2 stops17h 45mVirgin Atlantic
Tue 21/1017:15CWL - YYZ
2 stops27h 03mVirgin Atlantic
Deal found 11/6£726
Sun 27/720:40YUL - CWL
1 stop11h 05mMultiple Airlines
Sun 3/811:00CWL - YUL
2 stops36h 41mMultiple Airlines
Deal found 12/6£776
Wed 2/717:25YTZ - CWL
3 stops21h 20mMultiple Airlines
Mon 7/713:10CWL - YTZ
2 stops30h 36mMultiple Airlines
Deal found 11/6£828

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 13 June 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 1/10

22:15-19:45

1 stop16h 30m

Cardiff Wales

Tue 7/10

20:15-14:10

2 stops22h 55m

£490

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 17/9

18:00-16:45

2 stops17h 45m

Cardiff Wales

Tue 21/10

09:50-19:55

1 stop15h 05m

£502

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 17/9

22:10-09:15

1 stop30h 05m

Cardiff Wales

Tue 21/10

17:15-13:30

1 stop25h 15m

£548

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Thu 10/7

18:50-09:15

1 stop9h 25m

Cardiff Wales

Thu 17/7

09:50-20:10

2 stops15h 20m

£687

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 18/7

16:45-17:05

1 stop19h 20m

Cardiff Wales

Wed 30/7

09:50-20:55

2 stops16h 05m

£698

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 17/9

18:00-16:45

2 stops17h 45m

Cardiff Wales

Tue 21/10

17:15-15:18

2 stops27h 03m

£726

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 27/7

20:40-12:45

1 stop11h 05m

Cardiff Wales

Sun 3/8

11:00-18:41

2 stops36h 41m

£776

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Wed 2/7

17:25-19:45

3 stops21h 20m

Cardiff Wales

Mon 7/7

13:10-14:46

2 stops30h 36m

£828

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 25/8

22:15-19:45

1 stop16h 30m

£321

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 24/8

06:04-16:45

2 stops29h 41m

£651

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 11 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £169). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of £263). 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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of £169). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of £263). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Barry
Bridgend

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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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