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Cheap flights from Ontario to Cardiff from C$ 328

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
29 Aug — 5 Sep1
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 30 July 2026.

Sun 6/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
WestJet
Thu 10/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
WestJet
Deal found 29/7C$ 586
Mon 3/810:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Mon 10/810:10 p.m.
CWL
-
YYZ
1 stop20h 10m
Multiple Airlines
Deal found 27/7C$ 689
Fri 4/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Thu 10/910:50 p.m.
CWL
-
YYZ
1 stop22h 00m
Multiple Airlines
Deal found 29/7C$ 715
Sun 6/911:55 p.m.
YYZ
-
CWL
1 stop16h 50m
Multiple Airlines
Thu 10/910:50 p.m.
CWL
-
YYZ
1 stop22h 00m
Multiple Airlines
Deal found 26/7C$ 722
Mon 7/99:35 p.m.
YYZ
-
CWL
1 stop20h 15m
Multiple Airlines
Sat 12/911:35 a.m.
CWL
-
YYZ
Nonstop8h 10m
Multiple Airlines
Deal found 26/7C$ 727
Wed 16/911:55 p.m.
YYZ
-
CWL
1 stop17h 30m
Multiple Airlines
Wed 23/911:50 p.m.
CWL
-
YYZ
1 stop21h 00m
Multiple Airlines
Deal found 25/7C$ 732
Fri 4/910:10 p.m.
YYZ
-
CWL
Nonstop7h 05m
Multiple Airlines
Tue 8/911:15 p.m.
CWL
-
YYZ
2 stops20h 45m
Multiple Airlines
Deal found 26/7C$ 741
Mon 10/810:55 p.m.
YYZ
-
CWL
1 stop18h 55m
Multiple Airlines
Wed 26/811:15 p.m.
CWL
-
YYZ
2 stops27h 30m
Multiple Airlines
Deal found 26/7C$ 744
Mon 10/810:55 p.m.
YYZ
-
CWL
1 stop18h 55m
Multiple Airlines
Tue 25/811:15 p.m.
CWL
-
YYZ
2 stops23h 00m
Multiple Airlines
Deal found 26/7C$ 751
Tue 11/811:55 p.m.
YYZ
-
CWL
1 stop17h 55m
Multiple Airlines
Wed 26/811:15 p.m.
CWL
-
YYZ
2 stops27h 30m
Multiple Airlines
Deal found 26/7C$ 752
Tue 11/811:55 p.m.
YYZ
-
CWL
1 stop17h 55m
Multiple Airlines
Tue 25/811:15 p.m.
CWL
-
YYZ
2 stops23h 00m
Multiple Airlines
Deal found 26/7C$ 759
Thu 24/96:45 a.m.
YUL
-
CWL
2 stops34h 35m
Multiple Airlines
Wed 30/911:50 p.m.
CWL
-
YUL
3 stops29h 35m
Multiple Airlines
Deal found 25/7C$ 924

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 30 July 2026.

Round-trip from

C$ 586

One-way from

C$ 328

Popular in

January

Cheapest in

August

Average price

C$ 736

Good round-trip deal

C$ 588 or less

Good one-way deal

C$ 241 or less
WestJet
  • WestJet
  • 6/9-10/9
  • Nonstop
  • 15h 15m total
  • Ontario to Cardiff
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 23h 10m total
  • Ontario to Cardiff
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (C$ 788 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 100 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 30 July 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

Thu 24/9

6:45 a.m.-10:20 p.m.

2 stops34h 35m

Cardiff Wales

Wed 30/9

11:50 p.m.-12:25 a.m.

3 stops29h 35m

C$ 924

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 15/9

12:30 a.m.-4:45 p.m.

3 stops35h 15m

Cardiff Wales

Wed 23/9

11:50 p.m.-11:55 a.m.

1 stop17h 05m

C$ 939

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 18/11

9:15 p.m.-5:00 p.m.

1 stop14h 45m

Cardiff Wales

Tue 24/11

10:20 a.m.-3:40 p.m.

1 stop10h 20m

C$ 1,048

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

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

1 stop22h 30m

Cardiff Wales

Thu 10/9

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

1 stop17h 50m

C$ 1,049

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Tue 6/10

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

1 stop19h 00m

Cardiff Wales

Wed 14/10

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

1 stop25h 05m

C$ 1,049

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 6/9

12:09 p.m.-9:15 a.m.

2 stops40h 06m

Cardiff Wales

Thu 10/9

9:45 a.m.-1:20 p.m.

1 stop32h 35m

C$ 1,087

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.-3:15 p.m.

2 stops27h 00m

C$ 1,087

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 18/11

10:20 p.m.-5:00 p.m.

2 stops13h 40m

Cardiff Wales

Tue 24/11

5:30 p.m.-3:40 p.m.

1 stop27h 10m

C$ 1,087

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

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

1 stop9h 25m

Cardiff Wales

Thu 10/9

9:45 a.m.-11:27 p.m.

2 stops18h 42m

C$ 1,090

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

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

1 stop15h 10m

C$ 1,096

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 47 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, June is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 582). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of C$ 1,663). 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 30 July 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?

Airfare is below average for this route at the moment.
Region of Ontario to Cardiff flights typically cost between C$ 634 and C$ 856 in September.
The cheapest round-trip price found within the last 5 days was C$ 586 on WestJet (6 Sep-10 Sep).

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$ 1,048, Virgin Atlantic can have you in Cardiff from Region of Ontario in 14h 45m. 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, 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$ 234. On average you can expect to pay C$ 453. The most popular route, (Toronto Pearson Intl - Cardiff Wales), can usually be booked for C$ 715.

  • 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, June is the cheapest month in which you can book a flight from Region of Ontario to Cardiff (average of C$ 582). Flying from Region of Ontario to Cardiff in December is currently the most expensive (average of C$ 1,663). 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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 533AverageC$ 632FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapestC$ 1,035AverageC$ 1,616FlexibilityNo 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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