Cheap flights from London to Ottawa International

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Flight deals from London to Ottawa International

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Find the cheapest month to fly from London to Ottawa International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Ottawa International flights are currently cheapest in July.

London to Ottawa International: Alternative routes

Compare routes from London to Ottawa below. You may find an airport to fly into that's cheaper, faster, or easier than Ottawa International.

London to Ottawa: Flight information

The things to know before you go.
Cheapest flight foundC$719
Cheapest month to flyJune
Average flights per week0

Finding cheap flights from London to Ottawa International: Frequently asked questions

The best price we found for a round-trip flight from London to Ottawa International is C$719. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Ottawa International. But we found flights with one stop from C$719.
There are no flights flying from London to Ottawa International, as of May 2024.
The cheapest month to fly from London to Ottawa International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ottawa International Airport on Monday, June 24, 2024.
No airlines currently offer direct flights between London and Ottawa International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ottawa International is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Ottawa International is Air France.

Flight Information

Two airports with flights from London to Ottawa International are Gatwick Airport and Heathrow Airport. WestJet has flights that leave from Gatwick, with a plane change in Toronto. Air Canada flies nonstop from Heathrow to Ottawa. Several airlines have one-stop London to Ottawa International flights. United Airlines has a flight leaving from Heathrow operated by WestJet Airlines, doing business as United Express, that has a plane change in Newark, New Jersey. American Airlines, operated by British Airways, flies to Philadelphia, Pennsylvania. After a layover, passengers continue to Ottawa on an American Airlines flight, operated by Air Wisconsin as American Eagle.

London Airports information

Gatwick Airport

Gatwick Airport, 48 km south of Central London, has two terminals. WestJet leaves from the North Terminal, which has a World Duty Free shop, restaurants, complimentary Wi-Fi for 90 minutes, and coin deposit/return baggage trolleys.

Heathrow Airport

There are four terminals at Heathrow Airport, 23 km west of Central London. With code share flights, the airline operating the plane determines the terminal used. Each terminal has a World Duty Free Shop and restaurants. Baggage trolleys and Wi-Fi are free.

Terminal Information for Ottawa International Airport

Travellers have a choice of transport in the level 1 Arrivals area. OC Transpo Route 97 leaves from pillar 14 for the Bayshore neighbourhood in Ottawa's west end. The bus stops at Bayshore Station, a major bus transit station. Coventry Connections taxi service takes riders to downtown Ottawa. Car rental companies have facilities in the Parkade across the street from the terminal.

What You Need to Know

Passengers on flights to Ottawa International from London must have a passport to enter Canada. Travellers with a full "British citizen" passport need to get an Electronic Travel Authorisation before they travel. They do not need a visa for a short stay. British nationals with a different type of passport should contact the Canadian High Commission for entry requirements. Every airline has its own check-in rules. Passengers flying on WestJet can check in online or at an airport kiosk from 24 hours to one hour before the flight's scheduled departure.

What to Expect in Ottawa

London is five hours ahead of Ottawa. When it is 1 p.m. in Ottawa, it is 6 p.m. in London. January, at an average of minus 10 degrees Celsius, is the coldest month. July is both the warmest month, with an average of 22 degrees Celsius, and the wettest, with 90 mm of rain. A three-course meal is CA$35 at a mid-range restaurant, CA$19 at an inexpensive restaurant, and CA$9 at a fast-food place. A regular cappuccino is CA$4, and a pint of domestic draught beer is CA$6.

A bus from the airport to Bayshore Station is CA$2.60 for travellers 65 and older, CA$3.40 for riders 13 to 64, and CA$1.75 for children 6-12. There is no charge for riders 5 years old and younger. A taxi to downtown Ottawa is about CA$37.

Museum lovers should not miss the National Gallery of Canada and the Canadian War Museum. Boaters enjoy Rideau Canal, which winds through the heart of Ottawa, in spring and summer. The canal becomes the world's largest naturally frozen ice skating rink in winter.


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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.