Q: How much does it cost for a return flight from London Heathrow Airport to Ottawa?

Airfare is below average for this route at the moment. London Heathrow Airport to Ottawa flights typically cost between £553 and £735 in September. The cheapest return flight price found within the last 3 days was £487 on Air Canada (6 Sept-30 Sept).

Question 1

What’s the fastest stopover option from London Heathrow Airport to Ottawa?

Accepted Answer

Flights via Halifax (YHZ) have the shortest average one-way travel time for one-stop routes: 10h 09m.

Question 2

How much does it cost for a return flight from London Heathrow Airport to Ottawa?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Ottawa flights typically cost between £553 and £735 in September.
The cheapest return flight price found within the last 3 days was £487 on Air Canada (6 Sept-30 Sept).

Question 3

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Ottawa?

Accepted Answer

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average stopover time of 1h 13m.

Question 4

What’s the cheapest stopover airport for flights from London Heathrow Airport to Ottawa?

Accepted Answer

Washington, D.C. (IAD) is the most affordable one-stop option, with an average return flight price of £554.

Question 5

What’s the top stopover airport for flights from London Heathrow Airport to Ottawa?

Accepted Answer

Paris (CDG) – chosen by Cheapflights users on 47% of one-stop itineraries from London Heathrow Airport to Ottawa on Cheapflights.

Question 6

How long is the flight from London Heathrow Airport to Ottawa?

Accepted Answer

Departing from London Heathrow Airport to Ottawa will take you 11h 09m. The distance between London Heathrow Airport and Ottawa is about 3320 mi.

Question 7

What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Ottawa is Air Canada. Our recent data shows that you can find tickets from as low as £313 on this airline. Additional options worth looking into are United Airlines and KLM, starting at £338 and £351 round-trip. Users have found that Air Canada is 43% cheaper than the other options available to this destination.

Question 8

How far ahead should I book a flight from London Heathrow Airport to Ottawa?

Accepted Answer

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Ottawa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of £588). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of £875). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 10

What is the cheapest day to fly from London Heathrow Airport to Ottawa?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Ottawa flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Question 13

What are the cheapest flights from London Heathrow Airport to Ottawa?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £466. While the most popular route (London Heathrow - Ottawa) can be booked for £391 on average our data indicates £2,545 when flying from London Heathrow Airport to Ottawa.

Question 14

What are the most reliable airlines from London Heathrow Airport to Ottawa?

Accepted Answer

Before booking your flight to Ottawa from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (88%), Aegean Airlines (88%), Austrian Airlines( 88%).

Question 15

What are the most popular airlines that fly from London Heathrow Airport to Ottawa?

Accepted Answer

Consider Air Canada, Air France or KLM when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Ottawa.

Question 16

Where are the most common stopover locations when flying from London Heathrow Airport to Ottawa?

Accepted Answer

The most popular stopover on flights from London Heathrow Airport to Ottawa is Paris. Montreal is the second most popular location for stopovers on flights from London Heathrow Airport to Ottawa.

Question 17

Where are the least popular stopover locations for London Heathrow Airport to Ottawa flights?

Accepted Answer

The least popular stopover on flights from London Heathrow Airport to Ottawa is Toronto.

Question 18

What are some popular things to do or see while on a stopover in Paris?

Accepted Answer

The majority of Paris visitors spend their time at Eiffel Tower, Moulin Rouge, and Champs-Elysées. Travelers on a layover in Paris can visit Eiffel Tower, Moulin Rouge, and Champs-Elysées, by traveling 15.8 mi, 13.3 mi, and 14.7 mi, respectively after landing at Paris Charles de Gaulle. Travellers can book a car hire at Paris Charles de Gaulle for about £39 per day to make their sightseeing more efficient.

Question 19

What is the cheapest day to fly round-trip from London Heathrow Airport to Ottawa?

Accepted Answer

Flights from London Heathrow Airport to Ottawa are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

Question 20

How far in advance should I book a flight from London Heathrow Airport to Ottawa?

Accepted Answer

Find a great deal and save up to 23% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Ottawa within the next two weeks, with the cheapest ticket starting at £516.

Question 21

What is the cheapest month to fly from London Heathrow Airport to Ottawa?

Accepted Answer

January can be a great time to fly to Ottawa from London Heathrow Airport with a flight ticket averaging about £548. Cheapflights users have found deals in the month of January for as cheap as £371. The most expensive prices can be found in the month of August.

Question 22

What is the cheapest time of day to fly from LHR to YOW?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Ottawa in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.

Question 23

What airport do you fly into for flights to Ottawa from London Heathrow?

Accepted Answer

Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Ottawa. 6 airlines have flights to Ottawa from London Heathrow on a regular basis. Booking flights from London Heathrow to Ottawa should not be difficult; the airport handles an average of 3 inbound flights from London Heathrow per day.

Question 24

Can I find deals for flights from Heathrow to Ottawa that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 25

How can I find direct flights from Heathrow to Ottawa?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ottawa.

Question 26

Can I find deals for business class flights from Heathrow to Ottawa?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 27

How does Cheapflights help users find flights from Heathrow to Ottawa?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Heathrow today with Cheapflights!

Question 28

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ottawa?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Ottawa for you. Better yet — we are completely free to use.

Question 29

Can Cheapflights find flights from Heathrow to Ottawa with no change fees?

Accepted Answer

Certainly. Search results for flights to Ottawa from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 30

Can Cheapflights notify me if prices for flights from Heathrow to Ottawa become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Heathrow to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	£487
One-way from	£256
Popular in	August
Cheapest in	March
Average price	£737
Good round-trip deal	£538 or less
Good one-way deal	£613 or less

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£313	Average£560	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£338	Average£352	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£351	Average£501	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£362	Average£465	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£369	Average£446	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£454	Average£552	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from London Heathrow Airport to Ottawa from £256

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Ottawa are usually found in March or April, booked 88 days in advance, depart on a Monday or Friday and return on a Monday

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Cheapest flights from Heathrow to OttawaExplore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

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Best time to book a flight from Heathrow to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Ottawa

How far ahead should I book a flight from London Heathrow Airport to Ottawa?

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

What is the cheapest time of day to fly from LHR to YOW?

How much does it cost for a return flight from London Heathrow Airport to Ottawa?

What’s the top stopover airport for flights from London Heathrow Airport to Ottawa?

What’s the fastest stopover option from London Heathrow Airport to Ottawa?

What’s the fastest stopover option from London Heathrow Airport to Ottawa?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Ottawa?

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air France, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ottawa from London Heathrow?

How long is the flight from London Heathrow Airport to Ottawa?

What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?

What are the most reliable airlines from London Heathrow Airport to Ottawa?

What are the cheapest flights from London Heathrow Airport to Ottawa?

Where are the most common stopover locations when flying from London Heathrow Airport to Ottawa?

What are some popular things to do or see while on a stopover in Paris?

Where are the least popular stopover locations for London Heathrow Airport to Ottawa flights?

Can I find deals for flights from Heathrow to Ottawa that include hotel bookings?

How can I find direct flights from Heathrow to Ottawa?

Can I find deals for business class flights from Heathrow to Ottawa?

What is the cheapest month to book a flight from London Heathrow Airport to Ottawa?

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Top 6 airlines flying from Heathrow to Ottawa

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How does Cheapflights help users find flights from Heathrow to Ottawa?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ottawa?

Can Cheapflights find flights from Heathrow to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Ottawa become cheaper?

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Cheapest flights from Heathrow to Ottawa
Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.