
Popular airlines from Gatwick Airport (LGW) to Ottawa International Airport (YOW)
- Air Transat
Air Transat
- ITA Airways
ITA Airways
- TAP Portugal
TAP Portugal
- Swiss International Air Lines
Swiss International Air Lines
- Turkish Airlines
Turkish Airlines
- KLM
KLM
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 25% on select hotels after you book a flight*payments icon
Cheap Flights from London (LGW) to Ottawa (YOW)
Prices were available within the past 7 days and start at £358 for one-way flights and £508 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Gatwick |
Destination airport | Macdonald-Cartier Intl. |
Airlines serving | Air Transat, ITA Airways, KLM, Swiss International Air Lines, TAP Portugal, Turkish Airlines |
Return price | £507 |
Distance | 5347 km |
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 £508 and range up to £1,736.
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 October, 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.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Top Flights Destinations
- Related Airlines
- Nearby Airports
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes to Ottawa
- Washington to Ottawa (DCA - YOW)
- Brussels to Ottawa (BRU - YOW)
- Amsterdam to Ottawa (AMS - YOW)
- Leeds to Ottawa (LBA - YOW)
- Manila to Ottawa (MNL - YOW)
- Edinburgh to Ottawa (EDI - YOW)
- Dublin to Ottawa (DUB - YOW)
- Birmingham to Ottawa (BHX - YOW)
- Baltimore to Ottawa (BWI - YOW)
- London to Ottawa (LHR - YOW)
- Edmonton to Ottawa (YEG - YOW)
- Manchester to Ottawa (MAN - YOW)
Top Flight Destinations
- Flights to Toronto
- Flights to Niagara Falls
- Flights to Montreal
- Flights to Vancouver
- Flights to Québec City
- Flights to Calgary
- Flights to Banff
- Flights to Victoria
- Flights to Ottawa
- Flights to Edmonton
- Flights to Kelowna
- Flights to Canmore
- Flights to Whistler
- Flights to Halifax
- Flights to Niagara-on-the-Lake
- Flights to Winnipeg
- Flights to Richmond
- Flights to Jasper
- Flights to Mont-Tremblant
- Flights to Penticton
London
Expedia's Latest Trends
- Cheap Flights from London (LHR) to Melbourne (MEL)
- Cheap Flights from London (LHR) to Nairobi (NBO)
- Cheap Flights from London (LHR) to Los Angeles (LAX)
- Cheap Flights from Edinburgh (EDI) to London (LHR)
- Cheap Flights from London (LHR) to Hong Kong (HKG)
- Cheap Flights from London (LHR) to Tokyo (NRT)
- Cheap Flights from London (LHR) to Sri Guru Ram Das Ji Intl. Airport (ATQ)
- Cheap Flights from London (LHR) to Bangkok (BKK)
- Cheap Flights from London (LHR) to Manila (MNL)
- Cheap Flights from London (LHR) to Johannesburg (JNB)
- Cheap Flights from London (LHR) to Toronto (YYZ)
- Cheap Flights from Newcastle (NCL) to London (LHR)
- Cheap Flights from London (LHR) to Sydney (SYD)
- Cheap Flights from Lagos (LOS) to London (LHR)
- Cheap Flights from London (LHR) to New York (JFK)
- Cheap Flights from London (LHR) to Auckland (AKL)
- Cheap Flights from London (LHR) to Miami (MIA)
- Cheap Flights from London (LHR) to San Francisco (SFO)
- Cheap Flights from London (LHR) to Perth (PER)
- Cheap Flights from London (LHR) to Delhi (DEL)
- Cheap Flights from London (LHR) to Colombo (CMB)
- Cheap Flights from London (LHR) to Istanbul (IST)
- Cheap Flights from London (LHR) to Barcelona (BCN)
- Cheap Flights from Manchester (MAN) to New York (JFK)
- Cheap Flights from London (LHR) to Dubai (DXB)
- Cheap Flights from London (LHR) to Cape Town (CPT)
- Cheap Flights from London (LHR) to Lisbon (LIS)
- Cheap Flights from London (LHR) to Vancouver (YVR)
- Cheap Flights from London (LHR) to Mumbai (BOM)
- Cheap Flights from London (LHR) to Goa (GOI)