Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Cardiff to Ontario from C$ 390

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — YYZ
16 Apr — 23 Apr1
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 17 March 2026.

Thu 18/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
WestJet
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/3C$ 596
Mon 1/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
WestJet
Fri 12/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/3C$ 604
Mon 8/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
WestJet
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/3C$ 637
Sat 6/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
WestJet
Wed 10/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Deal found 12/3C$ 652
Thu 18/610:50 p.m.
CWL
-
YYZ
1 stop22h 00m
Multiple Airlines
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 12/3C$ 663
Wed 10/611:30 p.m.
CWL
-
YYZ
2 stops20h 30m
Multiple Airlines
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 16/3C$ 680
Fri 5/610:45 p.m.
CWL
-
YYZ
2 stops23h 30m
Multiple Airlines
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 15/3C$ 686
Wed 10/611:30 p.m.
CWL
-
YYZ
2 stops20h 30m
Multiple Airlines
Fri 19/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 16/3C$ 687
Mon 8/610:10 p.m.
CWL
-
YYZ
1 stop21h 45m
Multiple Airlines
Sun 21/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Deal found 12/3C$ 689

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 17 March 2026.

Round-trip from

C$ 596

One-way from

C$ 390

Popular in

December

Cheapest in

January
WestJet
  • WestJet
  • 18/6-21/6
  • Nonstop
  • 15h 00m total
  • Cardiff to Ontario
Search Deals
26/5
  • 26/5
  • 1 total stop
  • 19h 05m total
  • Cardiff to Ontario
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 477 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 149 potential savings vs. average RT price).
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 17 March 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

Sun 26/4

9:45 p.m.-5:15 p.m.

2 stops24h 30m

Toronto Pearson Intl

Sun 3/5

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

1 stop16h 50m

C$ 867

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 18/6

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

1 stop19h 30m

Toronto Pearson Intl

Sun 21/6

10:05 p.m.-9:45 p.m.

2 stops18h 40m

C$ 1,057

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Fri 12/6

5:15 p.m.-1:20 p.m.

1 stop25h 05m

Toronto Pearson Intl

Tue 23/6

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

1 stop19h 00m

C$ 1,325

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 9/6

9:45 a.m.-8:50 p.m.

2 stops16h 05m

Toronto Pearson Intl

Mon 22/6

6:00 p.m.-4:45 p.m.

2 stops17h 45m

C$ 1,364
Quickest round-trip

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 18/6

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

1 stop15h 10m

Toronto Pearson Intl

Fri 3/7

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

1 stop11h 30m

C$ 1,386

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Tue 9/6

9:45 a.m.-8:50 p.m.

2 stops16h 05m

Toronto Pearson Intl

Tue 23/6

6:00 p.m.-4:45 p.m.

2 stops17h 45m

C$ 1,450

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Mon 8/6

9:45 a.m.-8:50 p.m.

2 stops16h 05m

Toronto Pearson Intl

Tue 23/6

6:00 p.m.-4:45 p.m.

2 stops17h 45m

C$ 1,450
Cheapest one-way

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Wed 3/6

11:30 p.m.-9:45 p.m.

2 stops27h 15m

C$ 397

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 25/6

10:50 p.m.-2:25 p.m.

2 stops44h 35m

C$ 501

CardiffToronto

CWL - YYZ

CWLYYZ

Cardiff Wales

Thu 16/4

4:20 p.m.-6:13 a.m.

3 stops42h 53m

C$ 533

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

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

What is the cheapest month to book a flight from Cardiff to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of C$ 207). Flying from Cardiff to Region of Ontario in April is currently the most expensive (average of C$ 1,601). 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.

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 17 March 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
3,296 reviews
Check prices

Comfort

7.0

Crew

7.9

Entertainment

6.1

Boarding

7.4

Food

6.2

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
3,296 reviews
WestJet
7.2
Good
3,296 reviews
Check prices

Comfort

7.0

Crew

7.9

Entertainment

6.1

Boarding

7.4

Food

6.2

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 25h 05m. KLM provides one of the quickest options available for as low as C$ 1,325. The distance from Cardiff to Region of Ontario is about 5523 km.

  • 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.

  • What is the cheapest month to book a flight from Cardiff to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Cardiff to Region of Ontario (average of C$ 207). Flying from Cardiff to Region of Ontario in April is currently the most expensive (average of C$ 1,601). 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

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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 685AverageC$ 1,037FlexibilityNo 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.