£200 Cheap Flights from Ottawa (YOW) to Cardiff (CWL)

View £200 flight on Sun, 31 May 2026Opens in a new window

Flight 1

Popular airlines from Ottawa International Airport (YOW) to Cardiff International Airport (CWL)

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Cheap Flights from Ottawa (YOW) to Cardiff (CWL)

Prices were available within the past 7 days and start at £200 for one-way flights and £428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sun, 7 Jun - Tue, 16 Jun
YOW
Ottawa
CWL
Cardiff
£428 Return, just found
£428
Return
just found
Select WestJet flight, departing Sun, 7 Jun from Ottawa to Cardiff, returning Tue, 16 Jun, priced at £428 just found
WestJet
Mon, 15 Jun - Mon, 22 Jun
YOW
Ottawa
CWL
Cardiff
£441 Return, found 1 day ago
£441
Return
found 1 day ago
Select WestJet flight, departing Mon, 15 Jun from Ottawa to Cardiff, returning Mon, 22 Jun, priced at £441 found 1 day ago
WestJet
Sun, 7 Jun - Tue, 16 Jun
YOW
Ottawa
CWL
Cardiff
£484 Return, just found
£484
Return
just found
Select WestJet flight, departing Sun, 7 Jun from Ottawa to Cardiff, returning Tue, 16 Jun, priced at £484 just found
WestJet
Mon, 15 Jun - Mon, 22 Jun
YOW
Ottawa
CWL
Cardiff
£499 Return, found 1 day ago
£499
Return
found 1 day ago
Select WestJet flight, departing Mon, 15 Jun from Ottawa to Cardiff, returning Mon, 22 Jun, priced at £499 found 1 day ago
WestJet
Fri, 17 Jul - Sat, 25 Jul
YOW
Ottawa
CWL
Cardiff
£515 Return, found 1 day ago
£515
Return
found 1 day ago
Select WestJet flight, departing Fri, 17 Jul from Ottawa to Cardiff, returning Sat, 25 Jul, priced at £515 found 1 day ago
WestJet
Fri, 17 Jul - Thu, 23 Jul
YOW
Ottawa
CWL
Cardiff
£542 Return, found 1 day ago
£542
Return
found 1 day ago
Select WestJet flight, departing Fri, 17 Jul from Ottawa to Cardiff, returning Thu, 23 Jul, priced at £542 found 1 day ago
WestJet
Sun, 7 Jun - Tue, 16 Jun
YOW
Ottawa
CWL
Cardiff
£603 Return, just found
£603
Return
just found
Select WestJet flight, departing Sun, 7 Jun from Ottawa to Cardiff, returning Tue, 16 Jun, priced at £603 just found
WestJet
Fri, 17 Jul - Mon, 27 Jul
YOW
Ottawa
CWL
Cardiff
£604 Return, found 1 day ago
£604
Return
found 1 day ago
Select WestJet flight, departing Fri, 17 Jul from Ottawa to Cardiff, returning Mon, 27 Jul, priced at £604 found 1 day ago
Air France
Sun, 7 Jun - Tue, 16 Jun
YOW
Ottawa
CWL
Cardiff
£619 Return, just found
£619
Return
just found
Select Air France flight, departing Sun, 7 Jun from Ottawa to Cardiff, returning Tue, 16 Jun, priced at £619 just found
KLM
Sun, 7 Jun - Tue, 16 Jun
YOW
Ottawa
CWL
Cardiff
£629 Return, just found
£629
Return
just found
Select KLM flight, departing Sun, 7 Jun from Ottawa to Cardiff, returning Tue, 16 Jun, priced at £629 just found

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) cost?
One-way flights typically cost between $2,698 and $10,671 and return flights often range between $2,698 and $10,671. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
There are approximately 17 connecting flights per day from Ottawa Macdonald-Cartier Intl. (YOW) to Cardiff Intl. (CWL). Some common connection points include Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), and Roissy-Charles de Gaulle (CDG).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from Ottawa Macdonald-Cartier International Airport (YOW) to Cardiff International Airport (CWL) typically departs at approximately 5:00 AM local time. This service is operated by Air Canada and KLM. This is a seasonal service active in March. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
You'll typically find the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) on a Monday, with around 16 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Air Canada, Air France, and WestJet. Compared to other days, Monday offers notably more flight options.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
The most popular departure times for flights from Ottawa Macdonald-Cartier Intl. (YOW) to Cardiff Intl. (CWL) are in the late afternoon, from 3pm to 6pm. About 43% of passengers prefer this time window. Many major carriers, including Air France and KLM, offer flights during this window. These times work well because you can finish up your day in Ottawa and still arrive in Cardiff at a reasonable hour.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
Flying from YOW to CWL with a connection usually takes about 22 hours 20 minutes, traveling roughly 3,210 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
Select the "Business class" and "First class" filters when looking for YOW to CWL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff from Macdonald-Cartier Intl. (YOW)?
From Macdonald-Cartier Intl. (YOW), you can fly into Cardiff Intl. (CWL) to reach Cardiff. Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Cardiff Intl.
Airlines serving
Air France, KLM, WestJet
Return price
£428
Distance
5135 km

Book with confidence

Compare flights from Ottawa to Cardiff easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ottawa to Cardiff. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cardiff Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Macdonald-Cartier Intl. to Cardiff Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Macdonald-Cartier Intl. (YOW) to Cardiff Intl. (CWL)

The easiest way to view the best deals on flights from Ottawa to Cardiff today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Macdonald-Cartier Intl. to Cardiff Intl. start at just £428 and range up to £686.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Ottawa and Cardiff
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ottawa to Cardiff flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Macdonald-Cartier Intl. to Cardiff Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Ottawa to Cardiff easily and book with confidence

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*Available to Expedia members.