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Cheap flights from Ontario to Cardiff from C$ 187

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
18 Jul — 25 Jul1
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 18 June 2026.

Wed 5/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 27/810:50 p.m.
CWL
-
YYZ
1 stop21h 05m
Multiple Airlines
Deal found 13/6C$ 544
Sun 19/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Mon 27/710:10 p.m.
CWL
-
YYZ
1 stop20h 10m
Multiple Airlines
Deal found 16/6C$ 547
Wed 5/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Sun 30/89:45 p.m.
CWL
-
YYZ
1 stop20h 35m
Multiple Airlines
Deal found 13/6C$ 584
Sun 2/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 3/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 591
Mon 3/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 3/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 595
Wed 5/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Sat 5/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 602
Fri 31/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Sat 5/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 619
Mon 3/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Sat 5/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 624
Wed 5/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 27/811:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 627
Fri 10/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Mon 13/711:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 15/6C$ 631
Fri 3/710:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 9/711:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 13/6C$ 635
Mon 3/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 27/810:50 p.m.
CWL
-
YYZ
1 stop21h 05m
Multiple Airlines
Deal found 13/6C$ 640

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 18 June 2026.

Round-trip from

C$ 544

One-way from

C$ 187

Popular in

January

Cheapest in

August

Average price

C$ 742

Good round-trip deal

C$ 568 or less

Good one-way deal

C$ 209 or less
5/8-27/8
  • 5/8-27/8
  • 1 total stop
  • 28h 10m total
  • Ontario to Cardiff
Search Deals
WestJet
  • WestJet
  • 7/9
  • Nonstop
  • 7h 05m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (C$ 778 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 98 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 Ontario to Cardiff Wales.
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 18 June 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

Mon 6/7

5:45 p.m.-10:15 a.m.

1 stop11h 30m

Cardiff Wales

Mon 13/7

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

1 stop17h 50m

C$ 929

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 5/7

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

2 stops30h 10m

Cardiff Wales

Fri 31/7

10:45 p.m.-2:55 p.m.

1 stop21h 10m

C$ 965

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 7/9

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

1 stop11h 30m

Cardiff Wales

Mon 21/9

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

1 stop31h 40m

C$ 1,024

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Mon 7/9

6:14 p.m.-4:45 p.m.

2 stops17h 31m

Cardiff Wales

Mon 21/9

9:45 a.m.-11:24 p.m.

2 stops18h 39m

C$ 1,093

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 19/7

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

2 stops12h 55m

Cardiff Wales

Mon 27/7

9:45 a.m.-11:02 p.m.

2 stops18h 17m

C$ 1,159

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Mon 13/7

6:30 p.m.-4:45 p.m.

3 stops17h 15m

Cardiff Wales

Mon 20/7

10:10 p.m.-5:51 p.m.

2 stops24h 41m

C$ 1,160

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 1/7

6:14 p.m.-4:45 p.m.

2 stops17h 31m

Cardiff Wales

Wed 15/7

9:45 a.m.-11:44 p.m.

2 stops18h 59m

C$ 1,225

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Fri 10/7

6:30 p.m.-9:15 a.m.

3 stops33h 45m

Cardiff Wales

Mon 13/7

10:10 p.m.-9:30 p.m.

3 stops28h 20m

C$ 1,247
Quickest round-trip

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

6:50 p.m.-9:15 a.m.

1 stop9h 25m

Cardiff Wales

Tue 22/9

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

1 stop12h 10m

C$ 1,303

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sat 18/7

6:29 p.m.-4:45 p.m.

2 stops17h 16m

Cardiff Wales

Sun 2/8

9:50 a.m.-11:18 p.m.

2 stops18h 28m

C$ 1,392

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 37 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 87). Flying from Region of Ontario to Cardiff in March is currently the most expensive (average of C$ 1,264). 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.

What is the cheapest time of day to fly from ON to CWL?

Find hourly flight availability from Ontario to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2026.

When flying from Region of Ontario to Cardiff, 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 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$ 929, WestJet can have you in Cardiff from Region of Ontario in 11h 30m. There are 5031 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, Toronto Island - Cardiff Wales or Montreal Pierre Elliott Trudeau Intl - 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$ 198. On average you can expect to pay C$ 418. The most popular route, (Toronto Pearson Intl - Cardiff Wales), can usually be booked for C$ 699.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 87). Flying from Region of Ontario to Cardiff in March is currently the most expensive (average of C$ 1,264). 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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 531AverageC$ 629FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 1,034AverageC$ 1,603FlexibilityNo cancel feeOn-time75%
Search KLM 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 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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