Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Cardiff to Ontario from C$ 320

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
8 Aug — 15 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 July 2026.

Fri 21/810:45 p.m.
CWL
-
YYZ
2 stops28h 00m
Multiple Airlines
Mon 31/89:35 p.m.
YYZ
-
CWL
1 stop20h 15m
Multiple Airlines
Deal found 4/7C$ 594
Wed 19/811:15 p.m.
CWL
-
YYZ
2 stops20h 45m
Multiple Airlines
Wed 26/89:35 p.m.
YYZ
-
CWL
1 stop19h 50m
Multiple Airlines
Deal found 5/7C$ 597
Wed 26/811:15 p.m.
CWL
-
YYZ
2 stops20h 45m
Multiple Airlines
Mon 31/810:55 p.m.
YYZ
-
CWL
1 stop18h 55m
Multiple Airlines
Deal found 4/7C$ 600
Tue 25/811:15 p.m.
CWL
-
YYZ
2 stops23h 00m
Multiple Airlines
Mon 31/810:55 p.m.
YYZ
-
CWL
1 stop18h 55m
Multiple Airlines
Deal found 9/7C$ 603
Wed 2/911:50 p.m.
CWL
-
YYZ
2 stops20h 10m
Multiple Airlines
Tue 8/99:35 p.m.
YYZ
-
CWL
1 stop20h 50m
Multiple Airlines
Deal found 7/7C$ 622
Thu 3/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Mon 7/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 8/7C$ 625
Thu 3/910:50 p.m.
CWL
-
YYZ
1 stop21h 05m
Multiple Airlines
Tue 8/99:35 p.m.
YYZ
-
CWL
1 stop20h 50m
Multiple Airlines
Deal found 7/7C$ 637
Thu 3/910:50 p.m.
CWL
-
YYZ
1 stop21h 05m
Multiple Airlines
Wed 9/99:55 p.m.
YYZ
-
CWL
2 stops19h 30m
Multiple Airlines
Deal found 7/7C$ 639
Thu 27/810:50 p.m.
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Thu 3/911:05 p.m.
YYZ
-
CWL
1 stop18h 15m
Multiple Airlines
Deal found 4/7C$ 648
Tue 1/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Sun 6/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 5/7C$ 651

Find flight deals from Cardiff to Ontario

Keep the following information in mind while searching for Cardiff to Ontario flight deals. Data was last updated 9 July 2026.

Round-trip from

C$ 594

One-way from

C$ 320

Popular in

December

Cheapest in

June

Average price

C$ 817

Good one-way deal

C$ 389 or less
21/8-31/8
  • 21/8-31/8
  • 3 total stops
  • 48h 15m total
  • Cardiff to Ontario
Search Deals
15/9
  • 15/9
  • 1 total stop
  • 19h 05m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 565 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 161 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Cardiff Wales to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 9 July 2026.
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

Cheapest round-trip

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 25/8

11:15 p.m.-5:15 p.m.

2 stops23h 00m

Toronto Pearson Intl

Mon 31/8

10:55 p.m.-10:50 p.m.

1 stop18h 55m

C$ 603

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 1/9

11:15 p.m.-5:15 p.m.

2 stops23h 00m

Toronto Pearson Intl

Fri 11/9

10:10 p.m.-10:15 a.m.

Nonstop7h 05m

C$ 713
Quickest round-trip

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 29/8

11:35 a.m.-2:45 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Sun 6/9

10:10 p.m.-10:15 a.m.

Nonstop7h 05m

C$ 774

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 13/8

11:35 a.m.-2:45 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Fri 28/8

10:10 p.m.-10:15 a.m.

Nonstop7h 05m

C$ 1,143

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sun 11/10

5:15 p.m.-7:55 p.m.

1 stop31h 40m

Toronto Pearson Intl

Mon 19/10

4:45 p.m.-4:45 p.m.

1 stop19h 00m

C$ 1,187

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 12/10

9:45 a.m.-7:55 p.m.

1 stop15h 10m

Toronto Pearson Intl

Mon 19/10

9:55 p.m.-4:45 p.m.

1 stop13h 50m

C$ 1,187

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 2/9

9:45 a.m.-11:18 p.m.

2 stops18h 33m

Toronto Pearson Intl

Tue 8/9

6:10 p.m.-4:45 p.m.

2 stops17h 35m

C$ 1,260

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 5/10

10:10 p.m.-3:50 p.m.

1 stop22h 40m

Toronto Pearson Intl

Sun 18/10

11:55 p.m.-9:45 p.m.

1 stop16h 50m

C$ 1,289
Cheapest one-way

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 14/8

10:45 p.m.-2:00 p.m.

1 stop20h 15m

C$ 336
Quickest one-way

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 31/8

11:35 a.m.-2:45 p.m.

Nonstop8h 10m

C$ 438

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 17 resultsSorted by cheapest first
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 round-trip 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 time of day to fly from CWL to ON?

Find hourly flight availability from Cardiff to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 July 2026.

When flying from Cardiff to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Cardiff to Region of Ontario?

How far ahead should I book a flight from Cardiff to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Cardiff to Region of Ontario, you should look to book at least 1 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 9 July 2026.
Check out reviews from past customers who have flown with WestJet 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.
WestJet
7.2
Good
3,404 reviews
Check prices

Crew

7.9

Overall

7.2

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,404 reviews
WestJet
7.2
Good
3,404 reviews
Check prices

Crew

7.9

Overall

7.2

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

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?

    Located just 14.6 km from the city centre, Cardiff Wales (CWL) is the airport most travellers will use when flying to Ontario from Cardiff.

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

    A quick flight from Cardiff to Region of Ontario can take about 8h 10m. WestJet provides one of the quickest options available for as low as C$ 774. The distance from Cardiff to Region of Ontario is about 5523 km. Most flights are nonstop.

  • What are the cheapest flights from Cardiff to Region of Ontario?

    While on average a flight from Cardiff to Region of Ontario is generally C$ 460, our data shows the cheapest flight currently is C$ 370. When looking at the most popular route, (Cardiff Wales - Toronto Pearson Intl), you can expect to pay C$ 666 for that flight.

  • 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 vacation 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.

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.

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 629,999 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 614AverageC$ 1,074FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Cardiff to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Ontario from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Cardiff to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.