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Cheap flights from Cardiff to Ontario from £318

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
3 9月 — 10 9月1
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 8月 2025.

Round-trip from

£486

One-way from

£318

Popular in

December

Cheapest in

March

Average price

£628
7/10-10/10
  • 7/10-10/10
  • 2 total stops
  • 59h 55m total
  • Cardiff to Ontario
Search Deals
24/10
  • 24/10
  • 3 total stops
  • 31h 07m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 8月 2025.

週二 7/1016:20CWL - YYZ
1 stop28h 30mMultiple Airlines
週五 10/1022:10YYZ - CWL
1 stop31h 25mMultiple Airlines
Deal found 28/8£486
週六 11/1009:45CWL - YYZ
3 stops35h 51mMultiple Airlines
週六 18/1020:40YYZ - CWL
1 stop8h 55mMultiple Airlines
Deal found 27/8£575

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 8月 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

週二 7/10

16:20-15:50

1 stop28h 30m

Toronto Pearson Intl

週五 10/10

22:10-10:35

1 stop31h 25m

£486

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

週六 11/10

09:45-16:36

3 stops35h 51m

Toronto Pearson Intl

週六 18/10

20:40-10:35

1 stop8h 55m

£575

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

週五 24/10

20:55-23:02

3 stops31h 07m

£318

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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.

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 29 8月 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
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Virgin Atlantic
7.4
Good
661 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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

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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 8月 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£459Average£637FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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.

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