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Cheap flights from Cardiff to Ontario from C$ 379

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
15 Jul — 22 Jul1
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 15 June 2026.

Sat 20/611:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Fri 31/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 15/6C$ 566
Fri 10/710:45 p.m.
CWL
-
YYZ
1 stop20h 15m
Multiple Airlines
Mon 20/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 13/6C$ 574
Thu 25/610:50 p.m.
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Fri 3/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 14/6C$ 586
Mon 15/611:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Mon 15/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/6C$ 594
Sat 13/611:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Mon 15/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/6C$ 595
Thu 9/711:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Mon 13/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 15/6C$ 604
Thu 25/611:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Fri 31/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 15/6C$ 614
Mon 24/811:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Wed 9/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 13/6C$ 616
Wed 1/711:15 p.m.
CWL
-
YYZ
2 stops37h 30m
Multiple Airlines
Mon 6/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 12/6C$ 618
Wed 1/711:15 p.m.
CWL
-
YYZ
2 stops23h 45m
Multiple Airlines
Wed 15/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 11/6C$ 623
Mon 6/710:10 p.m.
CWL
-
YYZ
1 stop21h 45m
Multiple Airlines
Sun 12/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 13/6C$ 626

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 15 June 2026.

Round-trip from

C$ 574

One-way from

C$ 379

Popular in

December

Cheapest in

June

Average price

C$ 776

Good round-trip deal

C$ 607 or less

Good one-way deal

C$ 384 or less
WestJet
  • WestJet
  • 10/7-20/7
  • 1 total stop
  • 27h 20m total
  • Cardiff to Ontario
Search Deals
WestJet
  • WestJet
  • 3/9
  • Nonstop
  • 8h 10m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 528 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 158 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Cardiff Wales to Ontario.
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 15 June 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

Wed 15/7

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

2 stops23h 00m

Toronto Pearson Intl

Fri 24/7

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

Nonstop7h 05m

C$ 695

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 5/9

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

Nonstop8h 10m

Toronto Pearson Intl

Sat 12/9

9:35 p.m.-9:20 p.m.

1 stop18h 45m

C$ 721

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 25/8

11:15 p.m.-1:20 p.m.

1 stop19h 05m

Toronto Pearson Intl

Sun 30/8

10:15 p.m.-10:00 p.m.

2 stops18h 45m

C$ 745
Quickest round-trip

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 31/8

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

Nonstop8h 10m

Toronto Pearson Intl

Fri 4/9

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

Nonstop7h 05m

C$ 834

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 23/7

10:50 p.m.-3:00 p.m.

3 stops45h 10m

Toronto Pearson Intl

Wed 12/8

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

Nonstop7h 05m

C$ 941

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 1/7

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

2 stops23h 00m

Toronto Pearson Intl

Wed 15/7

4:15 p.m.-9:15 a.m.

3 stops36h 00m

C$ 1,052

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 27/8

10:50 p.m.-1:20 p.m.

1 stop19h 30m

Toronto Pearson Intl

Fri 4/9

3:20 p.m.-5:05 p.m.

3 stops20h 45m

C$ 1,121

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 24/8

9:45 a.m.-11:03 p.m.

2 stops18h 18m

Toronto Pearson Intl

Wed 9/9

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

1 stop19h 00m

C$ 1,125

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 25/6

10:50 p.m.-1:20 p.m.

1 stop19h 30m

Toronto Pearson Intl

Sat 4/7

3:40 p.m.-4:45 p.m.

3 stops20h 05m

C$ 1,140

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 31/8

9:45 a.m.-9:00 p.m.

2 stops16h 15m

Toronto Pearson Intl

Thu 10/9

9:55 p.m.-9:15 a.m.

1 stop30h 20m

C$ 1,219

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
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 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 15 June 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 33 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 15 June 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
3,365 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Overall

7.2

Comfort

7.0

Boarding

7.4

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
3,365 reviews
WestJet
7.2
Good
3,365 reviews
Check prices

Food

6.2

Crew

7.9

Entertainment

6.1

Overall

7.2

Comfort

7.0

Boarding

7.4

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$ 834. 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$ 650, our data shows the cheapest flight currently is C$ 384. When looking at the most popular route, (Cardiff Wales - Toronto Pearson Intl), you can expect to pay C$ 514 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

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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 629,999 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 605AverageC$ 1,059FlexibilityNo 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.

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