Question 1

How have London Heathrow Airport to Ottawa flight prices changed over time?

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Ottawa flights are approximately 32% cheaper when compared to flights at the same time last year.

Question 2

What is the cheapest day to depart on your flight to Ottawa?

Accepted Answer

The cheapest day to depart on your flight to Ottawa is on a Friday when prices can be found for as low as £537. 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 Sunday because tickets tend to average around £640. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

Question 3

What is the cheapest airline that flies from London Heathrow to Ottawa?

Accepted Answer

WestJet and Air France are the most popular carriers operating from London Heathrow to Ottawa

Question 4

What is the cheapest time of day to depart on your flight to Ottawa?

Accepted Answer

Flying to Ottawa from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £480 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £576 per ticket.

Question 5

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Ottawa?

Accepted Answer

Paris (CDG) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Question 6

What cabin class options are available on London Heathrow to Ottawa flights?

Accepted Answer

There are 3 cabin classes available to choose from on London Heathrow to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 7

Which airline has the best punctuality record on London to Ottawa flights?

Accepted Answer

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Question 8

How many flights depart from London Heathrow Airport to Ottawa on average per week?

Accepted Answer

15 flights are operational weekly from London Heathrow Airport to Ottawa as of December 2025. The most popular departure day for this route is Wed, with 40% of flights per week taking off on this day.

Question 9

Which stopover airport has the shortest travel time from London Heathrow Airport to Ottawa?

Accepted Answer

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 23m.

Question 10

How many flights depart from London Heathrow Airport to Ottawa on average per day?

Accepted Answer

As of December 2025, there are 2 flights per day flying from London Heathrow Airport to Ottawa. The most common time of day flights depart is 12:00, with 100% of flights taking off in the afternoon.

Question 11

How far in advance should I book a flight to Ottawa?

Accepted Answer

You are more likely to see cheaper flights to Ottawa from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £548 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 London Heathrow Airport for as low as £376 on momondo.

Question 12

What is the cheapest month to fly to Ottawa?

Accepted Answer

In general, March is the cheapest month to fly from London Heathrow Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £475. If you aren’t able to travel during the month of March, then book flights to Ottawa from London Heathrow Airport during January instead. Flights to Ottawa in January, while not as cheap as those in March, still average around £480.

Question 13

How often are flights from London to Ottawa delayed?

Accepted Answer

Historically, on average around 8% of flights between London and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 231 minutes.

Question 14

Can stopping save me money on London Heathrow Airport to Ottawa flights?

Accepted Answer

You could potentially save up to 37% on your flight if you consider stops on a London Heathrow Airport to Ottawa flight.

Question 15

What is the cheapest London Heathrow to Ottawa flight route?

Accepted Answer

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

Question 16

Which stopover airport offers the lowest fares from London Heathrow Airport to Ottawa?

Accepted Answer

Flights via Toronto (YYZ) offer the lowest average return price of £428.

Question 17

Which stopover airport has the shortest connection time from London Heathrow Airport to Ottawa?

Accepted Answer

Paris (CDG) has the shortest average stopover time for this route: 1h 33m.

Question 18

Which airlines fly to Ottawa?

Accepted Answer

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Ottawa from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 10 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Question 19

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 20

What is the most punctual flight time for London to Ottawa flights?

Accepted Answer

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

Question 21

When did momondo last update prices for flights from London Heathrow Airport to Ottawa Airport?

Accepted Answer

Prices for flights from London Heathrow Airport to Ottawa Airport refresh daily.

Question 22

How many operators does momondo search for flights from London Heathrow Airport to Ottawa Airport?

Accepted Answer

As of December 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to Ottawa Airport.

Question 23

How old do you have to be to fly from London Heathrow Airport to Ottawa Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Ottawa Airport.

Question 24

What documentation or ID do you need to fly to Ottawa Airport?

Accepted Answer

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	£519
Fastest flight time	7h 30m
Direct flights	Mon, Thu, Fri, Sat and Sun
Airports in Ottawa	1 airport

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £312	Free Cancellation	Rating 7.1 10,518 reviews	Search Air Canada flights
United Airlines	PriceFrom £337	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
KLM	PriceFrom £352	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Air France	PriceFrom £362	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
Virgin Atlantic	PriceFrom £371	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £453	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights

Cheap flights from London Heathrow Airport to Ottawa from £285

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ottawa departing on 25/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from London Heathrow Airport to Ottawa

What is the cheapest month to fly to Ottawa?

What is the cheapest day to depart on your flight to Ottawa?

What is the cheapest time of day to depart on your flight to Ottawa?

What is the cheapest London Heathrow to Ottawa flight route?

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

How far in advance should I book a flight to Ottawa?

What cabin class options are available on London Heathrow to Ottawa flights?

There are 3 cabin classes available to choose from on London Heathrow to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Ottawa flights?

You could potentially save up to 37% on your flight if you consider stops on a London Heathrow Airport to Ottawa flight.

How have London Heathrow Airport to Ottawa flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Ottawa flights are approximately 32% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Ottawa?

WestJet and Air France are the most popular carriers operating from London Heathrow to Ottawa

Which airlines fly to Ottawa?

How often are flights from London to Ottawa delayed?

Historically, on average around 8% of flights between London and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 231 minutes.

What is the most punctual flight time for London to Ottawa flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on London to Ottawa flights?

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Ottawa?

Paris (CDG) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London Heathrow Airport to Ottawa?

Flights via Toronto (YYZ) offer the lowest average return price of £428.

Which stopover airport has the shortest travel time from London Heathrow Airport to Ottawa?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 23m.

Which stopover airport has the shortest connection time from London Heathrow Airport to Ottawa?

Paris (CDG) has the shortest average stopover time for this route: 1h 33m.

How many flights depart from London Heathrow Airport to Ottawa on average per day?

As of December 2025, there are 2 flights per day flying from London Heathrow Airport to Ottawa. The most common time of day flights depart is 12:00, with 100% of flights taking off in the afternoon.

How many flights depart from London Heathrow Airport to Ottawa on average per week?

15 flights are operational weekly from London Heathrow Airport to Ottawa as of December 2025. The most popular departure day for this route is Wed, with 40% of flights per week taking off on this day.

When to book flights from London Heathrow Airport to Ottawa

Cheap London Heathrow Airport to Ottawa (LHR to YOW) flight deals and tips

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How far is London Heathrow to Ottawa by plane?

When did momondo last update prices for flights from London Heathrow Airport to Ottawa Airport?

How many operators does momondo search for flights from London Heathrow Airport to Ottawa Airport?

How old do you have to be to fly from London Heathrow Airport to Ottawa Airport?

What documentation or ID do you need to fly to Ottawa Airport?

What is the most popular plane model from London Heathrow Airport to Ottawa?

What is the most popular airline from London Heathrow Airport to Ottawa?

Best airlines flying from London Heathrow Airport to Ottawa

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