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Cheap flights from Ontario to Cardiff from C$ 280

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
18 Apr — 25 Apr1
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 19 March 2026.

Sun 7/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Fri 12/610:45 p.m.
CWL
-
YYZ
1 stop22h 05m
Multiple Airlines
Deal found 17/3C$ 717
Fri 29/510:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sun 31/55:40 p.m.
CWL
-
YYZ
2 stops26h 35m
Multiple Airlines
Deal found 17/3C$ 747
Fri 5/66:45 a.m.
YUL
-
CWL
1 stop22h 30m
WestJet
Tue 9/611:35 a.m.
CWL
-
YUL
1 stop11h 45m
WestJet
Deal found 15/3C$ 789
Mon 4/57:15 p.m.
YYZ
-
CWL
2 stops22h 35m
Multiple Airlines
Thu 14/510:50 p.m.
CWL
-
YYZ
1 stop19h 30m
Multiple Airlines
Deal found 18/3C$ 840
Wed 10/66:15 p.m.
YYZ
-
CWL
2 stops23h 10m
Multiple Airlines
Sat 20/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 16/3C$ 869
Thu 28/511:55 p.m.
YYZ
-
CWL
1 stop17h 25m
Multiple Airlines
Sun 7/69:45 p.m.
CWL
-
YYZ
1 stop20h 35m
Multiple Airlines
Deal found 15/3C$ 870
Thu 28/511:55 p.m.
YYZ
-
CWL
1 stop17h 25m
Multiple Airlines
Wed 3/611:30 p.m.
CWL
-
YYZ
2 stops27h 15m
Multiple Airlines
Deal found 16/3C$ 900
Fri 19/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Mon 6/710:10 p.m.
CWL
-
YYZ
1 stop20h 10m
Multiple Airlines
Deal found 18/3C$ 914
Fri 15/57:15 p.m.
YYZ
-
CWL
2 stops32h 40m
Multiple Airlines
Mon 15/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 15/3C$ 918
Wed 24/610:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Tue 30/611:35 a.m.
CWL
-
YYZ
Nonstop7h 55m
WestJet
Deal found 14/3C$ 924
Fri 26/67:20 p.m.
YUL
-
CWL
1 stop9h 55m
WestJet
Mon 27/711:35 a.m.
CWL
-
YUL
1 stop11h 45m
WestJet
Deal found 16/3C$ 925
Mon 22/67:20 p.m.
YUL
-
CWL
1 stop9h 55m
WestJet
Mon 27/711:35 a.m.
CWL
-
YUL
1 stop11h 45m
WestJet
Deal found 16/3C$ 950

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 19 March 2026.

Round-trip from

C$ 717

One-way from

C$ 280

Popular in

January

Cheapest in

July

Average price

C$ 1,334

Good one-way deal

C$ 279 or less
7/6-12/6
  • 7/6-12/6
  • 1 total stop
  • 29h 10m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 22/5
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 622 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Ontario to Cardiff Wales.
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 19 March 2026.
Use the filters below to find and compare flights from Ontario to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

6:45 a.m.-10:15 a.m.

1 stop22h 30m

Cardiff Wales

Tue 9/6

11:35 a.m.-12:25 a.m.

1 stop17h 50m

C$ 791

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 4/5

7:15 p.m.-10:50 p.m.

2 stops22h 35m

Cardiff Wales

Thu 14/5

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

1 stop19h 30m

C$ 840

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 19/6

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

Nonstop7h 05m

Cardiff Wales

Mon 6/7

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

3 stops23h 15m

C$ 994
Quickest round-trip

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

7:20 p.m.-10:15 a.m.

1 stop9h 55m

Cardiff Wales

Mon 27/7

11:35 a.m.-6:20 p.m.

1 stop11h 45m

C$ 1,002

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 3/7

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

Nonstop7h 05m

Cardiff Wales

Sun 12/7

5:40 p.m.-3:15 p.m.

2 stops26h 35m

C$ 1,031

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Fri 3/4

9:55 p.m.-5:05 p.m.

1 stop14h 10m

Cardiff Wales

Thu 9/4

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

1 stop31h 40m

C$ 1,035

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

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

1 stop25h 05m

C$ 1,044

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 10/6

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

2 stops29h 45m

Cardiff Wales

Sun 14/6

9:50 a.m.-1:20 p.m.

1 stop32h 30m

C$ 1,074

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 22/4

8:45 p.m.-10:25 p.m.

2 stops20h 40m

Cardiff Wales

Sun 26/4

9:45 p.m.-9:45 p.m.

2 stops29h 00m

C$ 1,103

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.-10:59 p.m.

2 stops18h 14m

C$ 1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Showing 1-10 of 44 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 60). Flying from Region of Ontario to Cardiff in July is currently the most expensive (average of C$ 1,017). 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.

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$ 1,035, WestJet can have you in Cardiff from Region of Ontario in 14h 10m. 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.

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

    The cheapest flight price from Region of Ontario to Cardiff is C$ 279. On average you can expect to pay C$ 279. The most popular route, (Toronto Pearson Intl - Cardiff Wales), can usually be booked for C$ 717.

  • 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, February is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 60). Flying from Region of Ontario to Cardiff in July is currently the most expensive (average of C$ 1,017). 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

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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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapestC$ 938AverageC$ 1,343FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapestC$ 1,006AverageC$ 1,234FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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