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Cheap flights from Ontario to Cardiff from £278

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
29 Apr — 6 May1
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 24 April 2025.

Round-trip from

£600

One-way from

£278

Popular in

July

Cheapest in

February

Average price

£632
Virgin Atlantic
  • Virgin Atlantic
  • 7/6-14/6
  • 3 total stops
  • 49h 50m total
  • Ontario to Cardiff
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 33h 30m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£177 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 2025.

Sat 7/606:45YUL - CWL
2 stops21h 30mMultiple Airlines
Sat 14/617:35CWL - YUL
1 stop28h 20mMultiple Airlines
Deal found 23/4£600
Mon 28/412:10YYZ - CWL
2 stops23h 35mVirgin Atlantic
Sun 11/509:50CWL - YYZ
1 stop15h 05mVirgin Atlantic
Deal found 23/4£606
Mon 28/416:45YYZ - CWL
1 stop11h 30mKLM
Sun 11/509:50CWL - YYZ
1 stop32h 30mKLM
Deal found 23/4£607
Sat 7/618:50YUL - CWL
1 stop9h 25mVirgin Atlantic
Sat 14/617:35CWL - YUL
1 stop28h 20mVirgin Atlantic
Deal found 23/4£624
Mon 28/415:59YYZ - CWL
2 stops19h 46mDelta
Sun 11/509:50CWL - YYZ
2 stops28h 08mDelta
Deal found 23/4£646
Thu 1/522:10YYZ - CWL
1 stop27h 35mMultiple Airlines
Tue 6/516:20CWL - YYZ
1 stop26h 50mMultiple Airlines
Deal found 23/4£737
Wed 14/518:50YUL - CWL
1 stop16h 55mKLM
Sun 25/517:15CWL - YUL
1 stop28h 40mKLM
Deal found 23/4£768
Thu 24/407:25YTZ - CWL
3 stops30h 50mMultiple Airlines
Thu 1/507:55CWL - YTZ
3 stops37h 00mMultiple Airlines
Deal found 23/4£1,210

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 24 April 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

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

06:45-09:15

2 stops21h 30m

Cardiff Wales

Sat 14/6

17:35-16:55

1 stop28h 20m

£600

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

18:50-09:15

1 stop9h 25m

Cardiff Wales

Sat 14/6

17:35-16:55

1 stop28h 20m

£624

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 18/5

22:10-09:15

1 stop30h 05m

Cardiff Wales

Wed 21/5

09:50-19:55

1 stop15h 05m

£664

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 14/8

06:00-09:15

2 stops22h 15m

Cardiff Wales

Sun 24/8

09:50-13:20

1 stop32h 30m

£722

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

18:50-16:45

1 stop16h 55m

Cardiff Wales

Sun 25/5

17:15-16:55

1 stop28h 40m

£768

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 14/8

17:20-19:15

2 stops20h 55m

Cardiff Wales

Sun 24/8

20:45-15:50

2 stops48h 05m

£1,083

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 7/6

22:15-12:45

2 stops33h 30m

£278

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 8/6

17:40-19:45

3 stops45h 05m

£335

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Sat 7/6

12:35-20:10

3 stops26h 35m

£382

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 8/6

18:50-09:15

1 stop9h 25m

£649

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 12 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 24 April 2025.
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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
7,919 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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
1,333 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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
642 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

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 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 £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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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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