Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Cardiff from C$ 511

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CWL
7 Apr — 14 Apr1
1 adult

Cheap flight deals from Ontario to Cardiff

Keep the following information in mind while searching for Ontario to Cardiff flight deals. Data was last updated 2 April 2025.

Round-trip from

C$ 1,130

One-way from

C$ 511

Popular in

July

Cheapest in

February

Average price

C$ 1,212
Air France
  • Air France
  • 30/4-7/5
  • 2 total stops
  • 38h 05m total
  • Ontario to Cardiff
9/4
  • 9/4
  • 3 total stops
  • 53h 00m total
  • Ontario to Cardiff
Highest demand for flights based on searches. 26% potential increase in price (C$ 703 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease (C$ 114 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Ontario to Cardiff

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 2 April 2025.

Sun 13/44:35 p.m.YYZ - CWL
1 stop11h 40mVirgin Atlantic
Sun 27/49:50 a.m.CWL - YYZ
1 stop32h 30mVirgin Atlantic
Deal found 1/4C$ 959
Sun 13/44:35 p.m.YYZ - CWL
1 stop11h 40mDelta
Sun 27/49:50 a.m.CWL - YYZ
2 stops18h 05mDelta
Deal found 1/4C$ 1,025
Thu 14/810:10 p.m.YYZ - CWL
1 stop30h 05mKLM
Mon 25/85:15 p.m.CWL - YYZ
1 stop25h 05mKLM
Deal found 31/3C$ 1,317
Thu 14/812:15 p.m.YYZ - CWL
2 stops16h 00mMultiple Airlines
Mon 25/89:50 a.m.CWL - YYZ
2 stops16h 05mMultiple Airlines
Deal found 31/3C$ 1,465
Wed 14/56:50 p.m.YUL - CWL
1 stop9h 25mMultiple Airlines
Sun 25/55:15 p.m.CWL - YUL
2 stops23h 50mMultiple Airlines
Deal found 1/4C$ 1,577
Wed 14/56:50 p.m.YUL - CWL
1 stop16h 55mKLM
Sun 25/55:15 p.m.CWL - YUL
1 stop28h 40mKLM
Deal found 1/4C$ 1,610
Wed 14/57:00 p.m.YUL - CWL
2 stops16h 45mAir France
Sun 25/55:15 p.m.CWL - YUL
2 stops23h 50mAir France
Deal found 1/4C$ 1,611
Fri 16/59:00 p.m.YTZ - CWL
3 stops31h 15mMultiple Airlines
Fri 23/510:30 p.m.CWL - YTZ
3 stops25h 07mMultiple Airlines
Deal found 1/4C$ 1,762

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 2 April 2025.
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

Sun 13/4

4:35 p.m.-9:15 a.m.

1 stop11h 40m

Cardiff Wales

Sun 27/4

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

1 stop32h 30m

C$ 959

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Sun 13/4

4:35 p.m.-9:15 a.m.

1 stop11h 40m

Cardiff Wales

Sun 27/4

9:50 a.m.-10:55 p.m.

2 stops18h 05m

C$ 1,025

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 14/8

10:10 p.m.-9:15 a.m.

1 stop30h 05m

Cardiff Wales

Sun 24/8

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

1 stop32h 30m

C$ 1,317

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Thu 14/8

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

2 stops16h 00m

Cardiff Wales

Mon 25/8

9:50 a.m.-8:55 p.m.

2 stops16h 05m

C$ 1,465

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

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

1 stop9h 25m

Cardiff Wales

Sun 25/5

5:15 p.m.-12:05 p.m.

2 stops23h 50m

C$ 1,577

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

6:50 p.m.-4:45 p.m.

1 stop16h 55m

Cardiff Wales

Sun 25/5

5:15 p.m.-4:55 p.m.

1 stop28h 40m

C$ 1,610

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

7:00 p.m.-4:45 p.m.

2 stops16h 45m

Cardiff Wales

Sun 25/5

5:15 p.m.-12:05 p.m.

2 stops23h 50m

C$ 1,611

TorontoCardiff

YTZ - CWL

YTZCWL

Toronto Island

Fri 16/5

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

3 stops31h 15m

Cardiff Wales

Fri 23/5

10:30 p.m.-6:37 p.m.

3 stops25h 07m

C$ 1,762

TorontoCardiff

YYZ - CWL

YYZCWL

Toronto Pearson Intl

Wed 9/4

5:40 p.m.-12:00 p.m.

2 stops37h 20m

C$ 603

MontrealCardiff

YUL - CWL

YULCWL

Montreal Pierre Elliott Trudeau Intl

Fri 16/5

11:00 p.m.-10:35 a.m.

2 stops30h 35m

C$ 784

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 13 results
1
2

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 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 2 April 2025.

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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 mm per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated 2 April 2025.

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

  • 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.

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 3 airlines flying from Ontario to Cardiff

Discover the top 3 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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapestC$ 927AverageC$ 1,253FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapestC$ 964AverageC$ 1,288FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapestC$ 972AverageC$ 1,249FlexibilityNo cancel feeOn-timeN/A
Search Delta 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.

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.