Question 1

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 2

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

Accepted Answer

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

Question 3

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 9% of their flights experiencing any sort of delay.

Question 4

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 5

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 £507. 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 £587. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

Question 6

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 38m.

Question 7

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 £418.

Question 8

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 9

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 75% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 9 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Question 10

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 11

What is the typical price of a round-trip flight between London Heathrow Airport and Ottawa?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £470 to £536.
The lowest price recently found on this route was £398.

Question 12

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

Accepted Answer

As of January 2026, prices for London Heathrow Airport to Ottawa flights are approximately 15% more expensive when compared to flights at the same time last year.

Question 13

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

Accepted Answer

Virgin Atlantic is the most popular carrier operating from London Heathrow to Ottawa

Question 14

How often are flights from London to Ottawa delayed?

Accepted Answer

Historically, on average around 9% 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 253 minutes.

Question 15

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

Accepted Answer

Flying to Ottawa from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £546 when looking at flights departing at midday. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £553 per ticket.

Question 16

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

Accepted Answer

You could potentially save up to 4% on your flight if you consider stops on a London Heathrow Airport to Ottawa flight.

Question 17

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: 57% of momondo users choosing one-stop flights on this route connected there.

Question 18

What is the cheapest month to fly to Ottawa?

Accepted Answer

In general, April 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 £474. If you aren’t able to travel during the month of April, then book flights to Ottawa from London Heathrow Airport during March instead. Flights to Ottawa in March, while not as cheap as those in April, still average around £479.

Question 19

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 £542 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 £369 on momondo.

Question 20

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 21

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

Accepted Answer

As of January 2026, there are 6 operators available to choose from for flights from London Heathrow Airport to Ottawa Airport.

Question 22

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 23

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	£535
Fastest flight time	7h 30m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Ottawa	1 airport

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £304	Free Cancellation	Rating 7.1 10,666 reviews	Search Air Canada flights
United Airlines	PriceFrom £328	Free Cancellation	Rating 7.4 9,213 reviews	Search United Airlines flights
KLM	PriceFrom £343	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
Air France	PriceFrom £353	Free Cancellation	Rating 7.4 1,528 reviews	Search Air France flights
Virgin Atlantic	PriceFrom £358	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £436	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights

Cheap flights from London Heathrow Airport to Ottawa from £205

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 11/3. 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 typical price of a round-trip flight between London Heathrow Airport and 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 4% 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 January 2026, prices for London Heathrow Airport to Ottawa flights are approximately 15% more expensive when compared to flights at the same time last year.

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

Virgin Atlantic is the most popular carrier operating from London Heathrow to Ottawa

Which airlines fly to Ottawa?

How often are flights from London to Ottawa delayed?

Historically, on average around 9% 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 253 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?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 9% 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: 57% 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 £418.

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 38m.

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 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?

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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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United Airlines Flights From London Heathrow Airport to Ottawa

Air Canada Flights From London Heathrow Airport to Ottawa

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