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£225 Cheap Flights from London (LGW) to Ottawa (YOW)

View £225 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Ottawa International Airport (YOW)

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Cheap Flights from London (LGW) to Ottawa (YOW)

Prices were available within the past 7 days and start at £225 for one-way flights and £349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Transat
Tue, 15 Sept - Sun, 20 Sept
LGW
London
YOW
Ottawa
£349 Return, found 1 hour ago
£349
Return
found 1 hour ago
Select Air Transat flight, departing Tue, 15 Sept from London to Ottawa, returning Sun, 20 Sept, priced at £349 found 1 hour ago
Air Transat
Fri, 25 Sept - Sun, 27 Sept
LGW
London
YOW
Ottawa
£351 Return, found 3 hours ago
£351
Return
found 3 hours ago
Select Air Transat flight, departing Fri, 25 Sept from London to Ottawa, returning Sun, 27 Sept, priced at £351 found 3 hours ago
Air Transat
Fri, 25 Sept - Fri, 9 Oct
LGW
London
YOW
Ottawa
£355 Return, found 2 hours ago
£355
Return
found 2 hours ago
Select Air Transat flight, departing Fri, 25 Sept from London to Ottawa, returning Fri, 9 Oct, priced at £355 found 2 hours ago
Air Transat
Fri, 2 Oct - Sun, 11 Oct
LGW
London
YOW
Ottawa
£357 Return, found 14 hours ago
£357
Return
found 14 hours ago
Select Air Transat flight, departing Fri, 2 Oct from London to Ottawa, returning Sun, 11 Oct, priced at £357 found 14 hours ago
Air Transat
Tue, 1 Sept - Wed, 30 Sept
LGW
London
YOW
Ottawa
£357 Return, just found
£357
Return
just found
Select Air Transat flight, departing Tue, 1 Sept from London to Ottawa, returning Wed, 30 Sept, priced at £357 just found
Air Transat
Tue, 15 Sept - Tue, 22 Sept
LGW
London
YOW
Ottawa
£359 Return, found 15 hours ago
£359
Return
found 15 hours ago
Select Air Transat flight, departing Tue, 15 Sept from London to Ottawa, returning Tue, 22 Sept, priced at £359 found 15 hours ago
Swiss International Air Lines
Sun, 4 Oct - Sun, 11 Oct
LGW
London
YOW
Ottawa
£384 Return, found 1 day ago
£384
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 4 Oct from London to Ottawa, returning Sun, 11 Oct, priced at £384 found 1 day ago
Air France
Sun, 13 Dec - Tue, 29 Dec
LGW
London
YOW
Ottawa
£412 Return, found 1 day ago
£412
Return
found 1 day ago
Select Air France flight, departing Sun, 13 Dec from London to Ottawa, returning Tue, 29 Dec, priced at £412 found 1 day ago
KLM
Sun, 13 Dec - Tue, 29 Dec
LGW
London
YOW
Ottawa
£412 Return, found 1 day ago
£412
Return
found 1 day ago
Select KLM flight, departing Sun, 13 Dec from London to Ottawa, returning Tue, 29 Dec, priced at £412 found 1 day ago
Virgin Atlantic
Sun, 13 Dec - Tue, 29 Dec
LGW
London
YOW
Ottawa
£429 Return, found 1 day ago
£429
Return
found 1 day ago
Select Virgin Atlantic flight, departing Sun, 13 Dec from London to Ottawa, returning Tue, 29 Dec, priced at £429 found 1 day ago

Alternative airports near Ottawa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city centre is 15 minutes. Flights from £695
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from £695

Frequently asked questions

How much does a flight from London (LGW) to Ottawa, ON (YOW) cost?
You can find one-way and return flights from London (LGW) to Ottawa, ON (YOW) with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when LGW to YOW ticket fares go up or down.
What is the cheapest month to fly from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The cheapest months to fly from LGW to YOW are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LGW) to Ottawa, ON (YOW)?
Enter LGW to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Air Transat is one of the cheapest airlines offering nonstop return flights from London Gatwick (LGW) to Ottawa Macdonald-Cartier Intl. (YOW), with tickets starting from around £370 for flights that can be booked for departure within the next year. Condor offers one of the cheapest connecting return flights from London Gatwick (LGW) to Ottawa Macdonald-Cartier Intl. (YOW) with a layover in Frankfurt Intl. (FRA), starting from around £875. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier 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 airline to fly with from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The best airline to fly with from London Gatwick (LGW) to Ottawa, ON (YOW) will differ from traveler to traveler. If you like to fly early, Air Transat offers early morning flights. If price is the most important factor, Air Transat typically offers the lowest fares. Helvetic Airways offers the most daily flights from London Gatwick (LGW) to Ottawa, ON (YOW), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier 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 London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 13 connecting flights per day from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). Some common connection points include Zürich (ZRH), Keflavik Intl. (KEF), and Istanbul Airport (IST).
What is the earliest flight from London (LGW) to Ottawa, ON (YOW)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from London (LGW) to Ottawa, ON (YOW). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You'll typically find the most flights from London Gatwick (LGW) to Ottawa Macdonald-Cartier Intl. (YOW) on a Tuesday, with around 19 flights available. This gives you a good selection of options for your journey. Major airlines on this route include TAP Portugal, Air Transat, and Icelandair. Looking at the week, Tuesday has notably more flight options compared to other days, offering you more flexibility.
What are the most popular departure times for flights from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from London Gatwick (LGW) to Ottawa, ON (YOW) are in the evening, from 6pm to 9pm. Many major carriers, including Air Baltic, Helvetic Airways and Swiss International Air Lines, offer flights during this window. Many travellers prefer these times because it allows you to finish your day before heading to the airport, and you'll arrive at your destination ready to start your day.
How long does it take to fly from London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Direct flights from LGW to YOW usually take about 8 hours, traveling roughly 5,380 kilometers. If you opt for a connecting flight, expect to add around 10 hours to your journey. 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 London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You can fly business class between LGW and YOW. Airlines that offer business class service on this route include:

  • Air Baltic
  • TAP Portugal
  • Turkish Airlines
  • Air France
  • Portugalia
  • Helvetic Airways

How do I earn miles on a London (LGW) to Ottawa, ON (YOW) flight with Expedia?
It's easy to earn miles on a London (LGW) to Ottawa, ON (YOW) 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.
Is it cheaper to buy a plane ticket from London (LGW) to Ottawa, ON (YOW) at the last minute?
Typically, booking a last minute flight from London (LGW) to Ottawa, ON (YOW) 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 London (LGW) to Ottawa, ON (YOW) flight and hotel package?
Securing a London (LGW) to Ottawa, ON (YOW) 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 London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your London (LGW-Gatwick) to Ottawa, ON (YOW-Macdonald-Cartier 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

0
Origin airport
Gatwick
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air France, Air Transat, KLM, Swiss International Air Lines, TAP Portugal, Virgin Atlantic, WestJet
Return price
£348
Distance
5347 km

Book with confidence

Compare flights from London to Ottawa easily and book with confidence

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

The easiest way to view the best deals on flights from London to Ottawa 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 Gatwick to Macdonald-Cartier Intl. start at just £349 and range up to £429.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Macdonald-Cartier 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 London to Ottawa easily and book with confidence

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