Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to Ontario from £328

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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 6 November 2025.

Round-trip from

£526

One-way from

£328

Popular in

August

Cheapest in

January

Average price

£750
2/12-9/12
  • 2/12-9/12
  • 3 total stops
  • 37h 45m total
  • Cardiff to Ontario
Search Deals
3/3
  • 3/3
  • 3 total stops
  • 28h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Cardiff to Ontario

Enter your travel dates to find the best prices.

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 6 November 2025.

Tue 2/1217:25CWL - YYZ
2 stops22h 50mMultiple Airlines
Tue 9/1219:35YYZ - CWL
1 stop14h 55mMultiple Airlines
Deal found 4/11£526
Tue 2/1210:20CWL - YYZ
1 stop13h 55mKLM
Tue 9/1221:15YYZ - CWL
1 stop14h 40mKLM
Deal found 4/11£583
Tue 11/1113:00CWL - YYZ
2 stops27h 15mMultiple Airlines
Tue 18/1119:35YYZ - CWL
1 stop14h 55mMultiple Airlines
Deal found 6/11£798
Tue 11/1117:25CWL - YYZ
1 stop27h 15mKLM
Tue 18/1121:15YYZ - CWL
1 stop31h 35mKLM
Deal found 5/11£831
Sun 14/1221:20CWL - YYZ
2 stops25h 55mMultiple Airlines
Sun 4/117:25YYZ - CWL
1 stop24h 40mMultiple Airlines
Deal found 5/11£858
Thu 6/1117:25CWL - YYZ
1 stop27h 15mKLM
Wed 12/1117:50YYZ - CWL
1 stop11h 00mKLM
Deal found 5/11£863
Tue 11/1110:20CWL - YYZ
1 stop13h 55mVirgin Atlantic
Tue 18/1118:05YYZ - CWL
2 stops17h 50mVirgin Atlantic
Deal found 5/11£882

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 6 November 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 2/12

17:25-16:15

3 stops27h 50m

Toronto Pearson Intl

Tue 9/12

19:35-15:30

1 stop14h 55m

£536

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 2/12

10:20-19:15

1 stop13h 55m

Toronto Pearson Intl

Tue 9/12

21:15-16:55

1 stop14h 40m

£583

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 25/3

10:20-17:25

2 stops35h 05m

Toronto Pearson Intl

Sun 29/3

06:00-16:45

2 stops29h 45m

£683

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 25/3

10:20-08:22

2 stops26h 02m

Toronto Pearson Intl

Sun 29/3

23:15-09:15

2 stops29h 00m

£687

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/12

21:20-18:15

2 stops25h 55m

Toronto Pearson Intl

Sun 4/1

17:25-23:05

1 stop24h 40m

£858

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 18/12

10:30-15:55

1 stop10h 25m

Toronto Pearson Intl

Thu 25/12

17:35-22:00

2 stops23h 25m

£888

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 3/3

16:45-15:55

3 stops28h 10m

£328

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 20/12

20:15-16:02

3 stops48h 47m

£383

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 19/12

08:35-12:30

3 stops32h 55m

£404

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 14/11

22:25-15:40

3 stops46h 15m

£433

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 11 results
1
2

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, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of £95). Flying from Cardiff to Region of Ontario in August is currently the most expensive (average of £586). 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 Cardiff to Region of Ontario?

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 6 November 2025.
Check out reviews from past customers who have flown with KLM and Virgin Atlantic from Cardiff to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
672 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Cardiff to Region of Ontario?

    KLM and Delta can get you from Cardiff to Region of Ontario in just under 13h 55m. Your travel time can differ by up to 21h 10m. Airlines will cover a distance of 3432 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of £95). Flying from Cardiff to Region of Ontario in August is currently the most expensive (average of £586). 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 Vancouver Intl flights
Manchester to Pearson Intl flights
Manchester to Toronto Island flights
Manchester to Abbotsford flights
Manchester to Calgary flights
Bristol to Pearson Intl flights
Bristol to Vancouver Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Manchester to Ottawa flights
Manchester to St. John's flights
Manchester to Halifax flights
Cardiff to Vancouver Intl flights
Manchester to Québec City flights
Manchester to Victoria flights
Manchester to Edmonton flights
Cardiff to Pearson Intl flights
Bristol to Toronto Island flights
Bristol to Kelowna flights
Manchester to Sydney flights
Bristol to Pierre Elliott Trudeau Intl flights
Manchester to Winnipeg flights
Manchester to London flights
Manchester to Thunder Bay flights
Manchester to Moncton flights
Manchester to Saskatoon flights
Manchester to Windsor flights
Bristol to Calgary flights
Bristol to London 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£476Average£751FlexibilityNo 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.