Lowest fares from Ottawa to London
Cheapest month to fly to London
Lowest fare in Canadian dollars (CAD) found in recent searches for each month. Tap a month to search it.
How to fly Ottawa to London for less
- Be flexible by a few days. Use the month chart and the Viorvo price calendar to see which days are cheapest; midweek departures are often lower.
- Compare airports on both ends. Montréal–Trudeau (YUL) is about two hours' drive away and is often much cheaper for international trips.
- Arriving in London: From Heathrow, the Tube's Piccadilly line or the Elizabeth line cost far less than the Heathrow Express. Canadians need a UK Electronic Travel Authorisation (ETA) before flying.
- Check what's included. The cheapest fares often exclude checked bags and seat selection, so compare the total price for your trip.
- Check entry rules early. Requirements change, so confirm them on the Government of Canada travel advice page before you book.
Airports
Leaving: Ottawa Macdonald–Cartier (YOW).
Arriving: Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN) and London City (LCY).
Best time to go
January to March and November (outside the holidays) are usually cheapest; summer and Christmas cost the most.
Time zone
London uses the London time zone.
Everything else for London
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Ottawa to London: common questions
How long is the flight from Ottawa to London?
The distance is about 5,361 km, so time in the air is roughly 7h on a nonstop flight. Flights with a connection take longer, depending on the layover.
Which airports serve London?
London is served by Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN) and London City (LCY). Comparing every airport is one of the easiest ways to find a cheaper fare.
When is the cheapest time to fly to London?
January to March and November (outside the holidays) are usually cheapest; summer and Christmas cost the most.
Are there nonstop flights from Ottawa to London?
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What's the cheapest month to fly from Ottawa to London?
See the month chart above for the cheapest month in recent searches. As a rule of thumb: january to March and November (outside the holidays) are usually cheapest; summer and Christmas cost the most.