Cheap flights from Cardiff to Ontario from £373

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Ontario departing on 14/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Cardiff to Ontario

Cheap return flights

 Logo
11:00 - 20:00CWL-YYZ
38h 00m2 stops
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22:10 - 12:45YYZ-CWL
9h 35m1 stop
Sun, 14 Sep - Sun, 21 Sep
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12:25 - 14:15CWL-YYZ
30h 50m1 stop
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23:55 - 10:35YYZ-CWL
29h 40m1 stop
Fri, 12 Sep - Fri, 19 Sep
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09:50 - 00:25CWL-YYZ
43h 35m3 stops
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22:10 - 12:45YYZ-CWL
9h 35m1 stop
Sun, 14 Sep - Sun, 21 Sep
KLM Logo
09:50 - 19:55CWL-YYZ
15h 05m1 stop
KLM Logo
16:35 - 09:15YYZ-CWL
11h 40m1 stop
£531KLM
Find Deal
Sun, 14 Sep - Sun, 21 Sep
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16:20 - 15:50CWL-YYZ
28h 30m1 stop
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23:55 - 07:25YYZ-CWL
26h 30m1 stop
Tue, 19 Aug - Tue, 9 Sep
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09:50 - 00:25CWL-YYZ
43h 35m3 stops
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14:30 - 12:45YYZ-CWL
17h 15m2 stops
Sun, 14 Sep - Sun, 21 Sep
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09:50 - 20:55CWL-YYZ
16h 05m2 stops
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16:45 - 09:15YYZ-CWL
11h 30m1 stop
Tue, 19 Aug - Tue, 9 Sep
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09:50 - 20:55CWL-YYZ
16h 05m2 stops
 Logo
12:10 - 09:15YYZ-CWL
16h 05m2 stops
Tue, 19 Aug - Tue, 9 Sep
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09:50 - 00:25CWL-YYZ
43h 35m3 stops
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12:00 - 12:45YYZ-CWL
19h 45m3 stops
Sun, 14 Sep - Sun, 21 Sep
Virgin Atlantic Logo
17:15 - 11:19CWL-YYZ
23h 04m2 stops
Virgin Atlantic Logo
06:03 - 09:10YYZ-CWL
22h 07m2 stops
£685Virgin Atlantic
Find Deal
Fri, 12 Sep - Fri, 19 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Region of 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, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Cardiff to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/9

11:00-20:00

2 stops38h 00m

Toronto Pearson Intl

Sun 21/9

22:10-12:45

1 stop9h 35m

£373

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 12/9

12:25-14:15

1 stop30h 50m

Toronto Pearson Intl

Fri 19/9

23:55-10:35

1 stop29h 40m

£397

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/9

09:50-00:25

3 stops43h 35m

Toronto Pearson Intl

Sun 21/9

22:10-12:45

1 stop9h 35m

£524

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/9

09:50-19:55

1 stop15h 05m

Toronto Pearson Intl

Sun 21/9

16:35-09:15

1 stop11h 40m

£531

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 19/8

16:20-15:50

1 stop28h 30m

Toronto Pearson Intl

Tue 9/9

23:55-07:25

1 stop26h 30m

£555

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/9

09:50-00:25

3 stops43h 35m

Toronto Pearson Intl

Sun 21/9

14:30-12:45

2 stops17h 15m

£589

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 19/8

09:50-20:55

2 stops16h 05m

Toronto Pearson Intl

Tue 9/9

16:45-09:15

1 stop11h 30m

£618

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 19/8

09:50-20:55

2 stops16h 05m

Toronto Pearson Intl

Tue 9/9

12:10-09:15

2 stops16h 05m

£639

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 14/9

09:50-00:25

3 stops43h 35m

Toronto Pearson Intl

Sun 21/9

12:00-12:45

3 stops19h 45m

£644

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 12/9

17:15-11:19

2 stops23h 04m

Toronto Pearson Intl

Fri 19/9

06:03-09:10

2 stops22h 07m

£685

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Ontario from

How to get the cheapest flight ticket from Cardiff to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

In general, March is the cheapest month to fly from Cardiff to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £530. If you aren’t able to travel to Region of Ontario during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £558.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Cardiff to Region of Ontario is on a Wednesday when prices can be found for as low as £589. Flights from Cardiff to Region of Ontario on a Monday will generally be more expensive and average around £1,018. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our data shows that the cheapest Cardiff to Region of Ontario flights are usually those with departure times in the morning. Our users have found flights to Region of Ontario in the morning for as low as £693. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £738 per ticket.

Cheap Cardiff to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Region of Ontario

Best price found

£373

Fastest flight time

15h 05m

Direct flights

None

Airports in Region of Ontario

1 airport
The best flight deal from Cardiff to Region of Ontario found on momondo in the last 72 hours is £373
The fastest flight from Cardiff to Region of Ontario takes 15h 05m
There are no direct flights from Cardiff to Region of Ontario. Popular non-direct route for this connection is Cardiff Wales Airport - Toronto Pearson Intl Airport.
There is 1 airport near Region of Ontario: Toronto Pearson Intl (YYZ)

  • When did momondo last update prices for flights from Cardiff Wales Airport to Ontario?

    Prices for flights from Cardiff Wales Airport to Ontario are updated daily.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Ontario?

  • How old do you have to be to fly from Cardiff Wales Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Cardiff to Region of Ontario

Compare and see reviews for airlines that fly from Cardiff to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £469Free CancellationRating
7.8
1,383 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Cardiff.

Can I find flights from Cardiff to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Cardiff with this policy.

How can momondo help me find flights from Cardiff to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Cardiff.

I’m not ready to book a flight from Cardiff to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cardiff to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Wed 6/8
Wed 13/8

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