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Cheap flights from Cardiff to Ontario from C$ 333

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
3 Jun — 10 Jun1
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 4 May 2026.

Sun 14/69:45 p.m.
CWL
-
YYZ
2 stops22h 15m
Multiple Airlines
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 30/4C$ 621
Wed 17/611:30 p.m.
CWL
-
YYZ
2 stops20h 30m
Multiple Airlines
Wed 1/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 625
Mon 15/610:10 p.m.
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Mon 29/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 628
Wed 17/611:30 p.m.
CWL
-
YYZ
2 stops20h 30m
Multiple Airlines
Wed 8/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 629
Mon 22/610:10 p.m.
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Sun 5/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 670
Thu 18/610:50 p.m.
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Fri 3/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 674
Mon 15/610:10 p.m.
CWL
-
YYZ
2 stops24h 00m
Multiple Airlines
Mon 22/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 30/4C$ 675
Thu 18/610:50 p.m.
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Wed 8/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 2/5C$ 677

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 4 May 2026.

Round-trip from

C$ 621

One-way from

C$ 333

Popular in

December

Cheapest in

January

Average price

C$ 1,076

Good round-trip deal

C$ 689 or less
WestJet
  • WestJet
  • 14/6-21/6
  • 2 total stops
  • 29h 20m total
  • Cardiff to Ontario
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 27h 30m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 482 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 148 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip 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 4 May 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
Quickest round-trip

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 11/6

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

Nonstop8h 10m

Toronto Pearson Intl

Mon 15/6

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

Nonstop7h 05m

C$ 1,014

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 28/5

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

Nonstop8h 10m

Toronto Pearson Intl

Wed 3/6

11:45 p.m.-10:25 p.m.

2 stops17h 40m

C$ 1,141

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 31/8

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

1 stop31h 40m

Toronto Pearson Intl

Thu 10/9

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

1 stop13h 50m

C$ 1,239

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 27/7

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

Nonstop8h 10m

Toronto Pearson Intl

Mon 3/8

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

Nonstop7h 05m

C$ 1,245

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 22/6

9:45 a.m.-11:15 p.m.

2 stops18h 30m

Toronto Pearson Intl

Tue 7/7

4:45 p.m.-9:15 a.m.

1 stop11h 30m

C$ 1,334

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 5/6

9:45 a.m.-11:16 p.m.

2 stops18h 31m

Toronto Pearson Intl

Wed 10/6

3:20 p.m.-9:15 a.m.

2 stops12h 55m

C$ 1,337

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 6/6

9:45 a.m.-11:16 p.m.

2 stops18h 31m

Toronto Pearson Intl

Thu 11/6

3:20 p.m.-9:15 a.m.

2 stops12h 55m

C$ 1,337

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Sat 6/6

9:45 a.m.-11:16 p.m.

2 stops18h 31m

Toronto Pearson Intl

Tue 9/6

3:20 p.m.-9:15 a.m.

2 stops12h 55m

C$ 1,337
Cheapest one-way

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 19/5

11:15 p.m.-9:45 p.m.

2 stops27h 30m

C$ 333

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 15/6

10:10 p.m.-2:55 p.m.

1 stop21h 45m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 15 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
No data available for this route at this time. Please check back soon.

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 4 May 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
3,331 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.2

Boarding

7.4

Overall

7.2

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
3,331 reviews
WestJet
7.2
Good
3,331 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.2

Boarding

7.4

Overall

7.2

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$ 1,014. The distance from Cardiff to Region of Ontario is about 5523 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 689, our data shows the cheapest flight currently is C$ 678. When looking at the most popular route, (Cardiff Wales - Toronto Pearson Intl), you can expect to pay C$ 621 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 680AverageC$ 1,029FlexibilityNo 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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