Cheap flights from the United Kingdom to Ottawa from £193

In general, October is the cheapest month to fly from United Kingdom to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £64. If you aren’t able to travel during the month of October, then book flights to Ottawa from United Kingdom during February instead. Flights to Ottawa in February, while not as cheap as those in October, still average around £214.

The cheapest day to depart on your flight to Ottawa is on a Sunday when prices can be found for as low as £522. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £629. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

Flying to Ottawa from United Kingdom in the morning is the least expensive time of day to depart. momondo users have found prices as low as £544 when looking at flights departing in the morning. At midday is when there is more demand to fly to Ottawa, so prices are often more expensive at around £610 per ticket.

Fly from London Heathrow to Ottawa for the best United Kingdom - Ottawa flight prices

You are more likely to see cheaper flights to Ottawa from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £559 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from United Kingdom for as low as £486 on momondo.

Air Transat, Virgin Atlantic, and KLM are the most popular carriers operating from United Kingdom to Ottawa

Air Canada, Air France and Air Transat are the top three most popular airlines that fly to Ottawa from United Kingdom according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 8 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between United Kingdom and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 254 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of May 2026, 3 flights take off from United Kingdom and land in Ottawa each day. The most common flight departure time for this route is 14:00, with 100% of daily flights taking off in the afternoon.

The number of flights available between United Kingdom and Ottawa is 26 per week as of May 2026. The most frequent departure day is Wed, with 27% of weekly flights leaving on this day.