£298 Cheap Flights from London (LGW) to Ottawa (YOW)

View £298 flight on Fri, 15 May 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £298 for one-way flights and £382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Transat
Tue, 2 Jun - Sun, 7 Jun
LGW
London
YOW
Ottawa
£382 Return, found 1 hour ago
£382
Return
found 1 hour ago
Select Air Transat flight, departing Tue, 2 Jun from London to Ottawa, returning Sun, 7 Jun, priced at £382 found 1 hour ago
Air Transat
Tue, 2 Jun - Sun, 7 Jun
LGW
London
YOW
Ottawa
£385 Return, found 1 hour ago
£385
Return
found 1 hour ago
Select Air Transat flight, departing Tue, 2 Jun from London to Ottawa, returning Sun, 7 Jun, priced at £385 found 1 hour ago
Air Transat
Tue, 2 Jun - Sun, 7 Jun
LGW
London
YOW
Ottawa
£389 Return, found 1 hour ago
£389
Return
found 1 hour ago
Select Air Transat flight, departing Tue, 2 Jun from London to Ottawa, returning Sun, 7 Jun, priced at £389 found 1 hour ago
Air Transat
Fri, 15 May - Sun, 31 May
LGW
London
YOW
Ottawa
£391 Return, found 4 hours ago
£391
Return
found 4 hours ago
Select Air Transat flight, departing Fri, 15 May from London to Ottawa, returning Sun, 31 May, priced at £391 found 4 hours ago
Air Transat
Thu, 1 Oct - Thu, 15 Oct
LGW
London
YOW
Ottawa
£395 Return, found 3 hours ago
£395
Return
found 3 hours ago
Select Air Transat flight, departing Thu, 1 Oct from London to Ottawa, returning Thu, 15 Oct, priced at £395 found 3 hours ago
Air Transat
Fri, 29 May - Tue, 9 Jun
LGW
London
YOW
Ottawa
£399 Return, found 7 hours ago
£399
Return
found 7 hours ago
Select Air Transat flight, departing Fri, 29 May from London to Ottawa, returning Tue, 9 Jun, priced at £399 found 7 hours ago
Air France
Thu, 25 Jun - Tue, 30 Jun
LGW
London
YOW
Ottawa
£438 Return, found 15 hours ago
£438
Return
found 15 hours ago
Select Air France flight, departing Thu, 25 Jun from London to Ottawa, returning Tue, 30 Jun, priced at £438 found 15 hours ago
Swiss International Air Lines
Thu, 4 Jun - Thu, 18 Jun
LGW
London
YOW
Ottawa
£508 Return, found 5 days ago
£508
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, 4 Jun from London to Ottawa, returning Thu, 18 Jun, priced at £508 found 5 days ago
WestJet
Thu, 30 Apr - Thu, 7 May
LGW
London
YOW
Ottawa
£645 Return, found 3 hours ago
£645
Return
found 3 hours ago
Select WestJet flight, departing Thu, 30 Apr from London to Ottawa, returning Thu, 7 May, priced at £645 found 3 hours ago
TAP Portugal
Fri, 9 Oct - Fri, 16 Oct
LGW
London
YOW
Ottawa
£856 Return, found 4 days ago
£856
Return
found 4 days ago
Select TAP Portugal flight, departing Fri, 9 Oct from London to Ottawa, returning Fri, 16 Oct, priced at £856 found 4 days 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 £608
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from £608

Frequently asked questions

How much is a flight from Gatwick Airport (LGW) to YOW?
If you're planning on travelling between Gatwick Airport (LGW) and Ottawa Intl. Airport, round-trip flights start from £382. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LGW to Ottawa International Airport?
We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from LGW to YOW that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London Gatwick to Ottawa International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Gatwick Airport (LGW) to Macdonald-Cartier Intl. Airport (YOW)?
The distance is around 5,400 kilometres, so pack your carry-on luggage with whatever you need to make your journey comfortable. Not sure what to take on board your Gatwick to Ottawa flight? A sleep mask, earplugs and a neck pillow are a few essentials.
Which airlines fly direct from London Gatwick to Ottawa Intl. Airport?
If you want to travel straight from LGW to Ottawa International Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Gatwick Airport (LGW) to YOW flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute deals between London Gatwick and Ottawa Intl. Airport are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers advertise their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to lock in your seat when prices drop.

Travel information

Origin airport
Gatwick
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air France, Air Transat, Swiss International Air Lines, TAP Portugal, WestJet
Return price
£382
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 £382 and range up to £1,388.  

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 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 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

Explore a world of travel with Expedia

*Available to Expedia members.