Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to Ontario from £280

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
3 Apr — 10 Apr1
1 adult

Cheap flight deals from Cardiff to Ontario

Keep the following information in mind while searching for Cardiff to Ontario flight deals. Data was last updated 29 March 2025.

Round-trip from

£444

One-way from

£280

Popular in

July

Cheapest in

February

Average price

£637
KLM
  • KLM
  • 13/5-20/5
  • 2 total stops
  • 36h 45m total
  • Cardiff to Ontario
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 39h 37m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Cardiff to Ontario

Cheapest flights from Cardiff to Ontario
Explore the most affordable flight options available from Cardiff to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.

Tue 13/517:15CWL - YYZ
1 stop25h 15mMultiple Airlines
Tue 20/516:45YYZ - CWL
1 stop11h 30mMultiple Airlines
Deal found 29/3£444
Tue 13/509:50CWL - YYZ
2 stops18h 16mKLM
Tue 20/516:45YYZ - CWL
1 stop11h 30mKLM
Deal found 29/3£468
Wed 23/709:50CWL - YYZ
1 stop15h 05mDelta
Tue 29/716:45YYZ - CWL
1 stop19h 00mDelta
Deal found 29/3£762
Fri 25/717:15CWL - YYZ
1 stop25h 05mAir France
Sat 9/822:10YYZ - CWL
1 stop13h 40mAir France
Deal found 29/3£1,014

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to Ontario 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 29 March 2025.
Use the filters below to find and compare flights from Cardiff to Ontario that are best for you.

Fly from

Cardiff

Fly to

Ontario

Route

Depart

Return

Price

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 13/5

17:15-13:30

1 stop25h 15m

Toronto Pearson Intl

Tue 20/5

16:45-09:15

1 stop11h 30m

£444

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 13/5

09:50-23:06

2 stops18h 16m

Toronto Pearson Intl

Tue 20/5

16:45-09:15

1 stop11h 30m

£468

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 23/7

09:50-19:55

1 stop15h 05m

Toronto Pearson Intl

Tue 29/7

16:45-16:45

1 stop19h 00m

£762

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 25/7

17:15-13:20

1 stop25h 05m

Toronto Pearson Intl

Sat 9/8

22:10-16:50

1 stop13h 40m

£1,014

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 12/5

13:10-23:47

3 stops39h 37m

£280

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 11/4

17:15-13:20

1 stop25h 05m

£1,240

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 12/4

17:35-13:30

1 stop24h 55m

£1,246

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 5/4

17:35-13:30

1 stop24h 55m

£6,389

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Best time to book a flight from Cardiff to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cardiff 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 Cardiff to Ontario

What is the cheapest month to book a flight from Cardiff to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of £490). Flying from Cardiff to Region of Ontario in July is currently the most expensive (average of £708). 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 Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 29 March 2025.
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Ontario. 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 from for flights from Cardiff to Ontario?

    Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to Ontario. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

  • What are the cheapest airlines to fly from Cardiff to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £1,240. Air France flights start at £1,246 while deals on KLM start at £6,389 one-way.

  • Can I find deals for flights from Cardiff to Ontario that include hotel bookings?

    Yes. In addition to deals on Cardiff to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Ontario.

  • Can I find deals for business class flights from Cardiff to Ontario?

    Yes. Cheapflights offers flight deals from Cardiff to Ontario 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 Cardiff to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of £490). Flying from Cardiff to Region of Ontario in July is currently the most expensive (average of £708). 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

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.

Alternative routes for Cardiff to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to Pearson Intl flights
Manchester to Vancouver Intl flights
Manchester to Toronto Island flights
Manchester to Calgary flights
Manchester to Abbotsford flights
Manchester to Pierre Elliott Trudeau Intl flights
Manchester to Halifax flights
Manchester to Ottawa flights
Manchester to Edmonton flights
Manchester to Winnipeg flights
Bristol to Pearson Intl flights
Manchester to Saskatoon flights
Bristol to Vancouver Intl flights
Bristol to Pierre Elliott Trudeau Intl flights
Cardiff to Pearson Intl flights
Cardiff to Vancouver Intl flights
Manchester to Québec City flights
Manchester to London flights
Bristol to Toronto Island flights
Manchester to Victoria flights
Manchester to Windsor flights
Manchester to St. John's flights
Manchester to Sydney flights
Manchester to Thunder Bay flights
Manchester to Moncton flights
Bristol to Calgary flights
Bristol to London flights
Bristol to Kelowna flights

Top airline flying from Cardiff to Ontario

Discover the top airline that operate flights from Cardiff to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£479Average£808FlexibilityNo cancel feeOn-time75%
Search KLM flights

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 Cardiff to Ontario?

Deals for Cardiff to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Cardiff to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Ontario become cheaper?

Of course! You can now track prices for flights from Cardiff to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price 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.