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Cheap flights from Ontario to Cardiff from C$ 316

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Cardiff
Explore the most affordable flight options available from Ontario to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Mon 4/59:30 p.m.
YYZ
-
CWL
1 stop20h 20m
Multiple Airlines
Mon 18/510:25 p.m.
CWL
-
YYZ
1 stop21h 30m
Multiple Airlines
Deal found 27/1C$ 812
Sat 2/59:30 p.m.
YYZ
-
CWL
1 stop18h 50m
Multiple Airlines
Sun 10/59:45 p.m.
CWL
-
YYZ
1 stop23h 05m
Multiple Airlines
Deal found 28/1C$ 855
Wed 18/25:50 p.m.
YYZ
-
CWL
1 stop18h 05m
Delta
Wed 25/210:20 a.m.
CWL
-
YYZ
2 stops17h 20m
Delta
Deal found 27/1C$ 946
Mon 10/811:05 p.m.
YYZ
-
CWL
1 stop18h 45m
Multiple Airlines
Mon 24/811:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 27/1C$ 953
Wed 25/38:10 p.m.
YUL
-
CWL
1 stop9h 40m
Delta
Tue 31/39:45 a.m.
CWL
-
YUL
1 stop12h 10m
Delta
Deal found 27/1C$ 957
Fri 1/56:11 p.m.
YYZ
-
CWL
2 stops17h 54m
Air France
Sun 10/59:50 a.m.
CWL
-
YYZ
1 stop15h 05m
Air France
Deal found 28/1C$ 968
Wed 4/36:00 a.m.
YYZ
-
CWL
2 stops22h 50m
Delta
Sun 8/310:20 a.m.
CWL
-
YYZ
2 stops35h 04m
Delta
Deal found 26/1C$ 977
Wed 18/212:07 p.m.
YYZ
-
CWL
2 stops16h 43m
KLM
Wed 25/25:25 p.m.
CWL
-
YYZ
2 stops27h 45m
KLM
Deal found 27/1C$ 979
Sat 21/212:07 p.m.
YYZ
-
CWL
2 stops16h 43m
KLM
Sat 28/25:25 p.m.
CWL
-
YYZ
1 stop30h 50m
KLM
Deal found 27/1C$ 982
Wed 25/38:10 p.m.
YUL
-
CWL
1 stop9h 40m
Delta
Mon 30/39:45 a.m.
CWL
-
YUL
2 stops31h 14m
Delta
Deal found 27/1C$ 995
Sun 9/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sun 13/99:45 p.m.
CWL
-
YYZ
2 stops26h 20m
Multiple Airlines
Deal found 27/1C$ 1,013
Fri 21/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sat 5/99:25 a.m.
CWL
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 27/1C$ 1,015

Find flight deals from Ontario to Cardiff

Keep the following information in mind while searching for Ontario to Cardiff flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 812

One-way from

C$ 316

Popular in

December

Cheapest in

February

Average price

C$ 963
4/5-18/5
  • 4/5-18/5
  • 2 total stops
  • 41h 50m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 6/7
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Cardiff 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 29 January 2026.
Use the filters below to find and compare flights from Ontario to Cardiff that are best for you.

Fly from

Ontario

Fly to

Cardiff

Route

Depart

Return

Price

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 18/2

5:50 p.m.-4:55 p.m.

1 stop18h 05m

Cardiff Wales

Wed 25/2

10:20 a.m.-10:40 p.m.

2 stops17h 20m

C$ 946

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

8:10 p.m.-9:50 a.m.

1 stop9h 40m

Cardiff Wales

Tue 31/3

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

1 stop12h 10m

C$ 957

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 4/3

6:00 a.m.-9:50 a.m.

2 stops22h 50m

Cardiff Wales

Sun 8/3

10:20 a.m.-5:24 p.m.

2 stops35h 04m

C$ 977

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 18/2

12:07 p.m.-9:50 a.m.

2 stops16h 43m

Cardiff Wales

Wed 25/2

5:25 p.m.-4:10 p.m.

2 stops27h 45m

C$ 979

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 21/2

12:07 p.m.-9:50 a.m.

2 stops16h 43m

Cardiff Wales

Sat 28/2

10:20 a.m.-10:40 p.m.

2 stops17h 20m

C$ 979

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 21/2

12:07 p.m.-9:50 a.m.

2 stops16h 43m

Cardiff Wales

Sat 28/2

5:25 p.m.-7:15 p.m.

1 stop30h 50m

C$ 982

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

8:10 p.m.-9:50 a.m.

1 stop9h 40m

Cardiff Wales

Mon 30/3

9:45 a.m.-11:59 a.m.

2 stops31h 14m

C$ 995

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 5/5

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

2 stops17h 45m

Cardiff Wales

Tue 12/5

9:45 a.m.-10:57 p.m.

2 stops18h 12m

C$ 1,060

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 5/5

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

1 stop11h 30m

Cardiff Wales

Tue 12/5

9:45 a.m.-10:57 p.m.

2 stops18h 12m

C$ 1,131

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Fri 13/3

6:45 p.m.-7:40 p.m.

3 stops20h 55m

Cardiff Wales

Fri 20/3

10:25 p.m.-5:55 p.m.

3 stops23h 30m

C$ 1,344

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 24 results
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Best time to book a flight from Ontario to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Ontario 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 Ontario to Cardiff

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 103). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of C$ 1,157). 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.

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cardiff. 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 into for flights to Cardiff from Ontario?

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

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

    For as low as C$ 979, Delta can have you in Cardiff from Region of Ontario in 16h 43m. There are 5523 km between Region of Ontario and Cardiff. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Cardiff?

    When deciding which route to take from Region of Ontario to Cardiff consider Toronto Pearson Intl - Cardiff Wales, Montreal Pierre Elliott Trudeau Intl - Cardiff Wales or Toronto Island - Cardiff Wales as they are the most popular.

  • Can I find deals for flights from Ontario to Cardiff that include hotel bookings?

    Yes. In addition to deals on Ontario to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cardiff.

  • Can I find deals for business class flights from Ontario to Cardiff?

    Yes. Cheapflights offers flight deals from Ontario to Cardiff 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 Region of Ontario to Cardiff?

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 103). Flying from Region of Ontario to Cardiff in August is currently the most expensive (average of C$ 1,157). 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

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Alternative routes for Ontario to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Cardiff

Discover the top 2 airlines that operate flights from Ontario to Cardiff. 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 896AverageC$ 1,089FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapestC$ 929AverageC$ 1,270FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Cardiff?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cardiff from Ontario today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Cardiff from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Cardiff from Ontario? 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 Ontario to Cardiff become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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