Cheap flights from London Heathrow Airport to Ottawa from C$ 474
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 20/8. 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
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ottawa?
The month of March is, on average, the cheapest month to fly to Ottawa from London Heathrow Airport, with most prices found around C$ 829. If you aren’t able to travel to Ottawa during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 915.
What is the cheapest day to depart on your flight to Ottawa?
Our data shows that Monday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 1,003. Flights from London Heathrow Airport to Ottawa on a Saturday will generally be more expensive and average around C$ 1,301. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ottawa?
Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from London Heathrow Airport to Ottawa during this time can be as low as C$ 1,011. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,085 per ticket.
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?
You are more likely to see cheaper flights to Ottawa from London Heathrow Airport when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 1,042 when searching 13 weeks out.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 C$ 745 on momondo.
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 29% 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 June 2025, prices for London Heathrow Airport to Ottawa flights are approximately 27% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London Heathrow to Ottawa?
Aer Lingus, WestJet, and Lufthansa are the most popular carriers operating from London Heathrow to Ottawa
Which airlines fly to Ottawa?
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 67% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Ottawa on average per day?
The number of flights available between London Heathrow Airport and Ottawa is 1 per day as of June 2025. The most frequent departure time is 12:00p.m., with 100% of daily flights leaving in the afternoon.
How many flights depart from London Heathrow Airport to Ottawa on average per week?
The number of flights available between London Heathrow Airport and Ottawa is 7 per week as of June 2025. The most frequent departure day is Thu, with 100% of weekly flights leaving 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
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ottawa
Best price found | C$ 474 |
|---|---|
Fastest flight time | 7h 20m |
Direct flights | Tue, Thu, Fri and Sun |
Airports in Ottawa | 1 airport |
How far is London Heathrow to Ottawa by plane?
Ottawa is 5338.5 km away from London Heathrow. A reasonable flight in good conditions will take 7h 20m.
When did momondo last update prices for flights from London Heathrow Airport to Ottawa Airport?
Prices for flights from London Heathrow Airport to Ottawa Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Ottawa Airport?
There are 3 operators available for flights from London Heathrow Airport to Ottawa Airport as of June 2025.
How old do you have to be to fly from London Heathrow Airport to Ottawa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Ottawa is Boeing 787-9 Dreamliner, representing 39.48% of all bookings. The subsequent popular models are Boeing 777 at 19.99%, Boeing 777-300ER at 10.89%, and Boeing 777-200LR at 6.32%.
What is the most popular airline from London Heathrow Airport to Ottawa?
Based on momondo bookings for flights between London Heathrow Airport and Ottawa, the leading airline is Air Canada, making up 71% of the total bookings. Other popular airlines include Air France with 16% and Lufthansa with 12%.
Best airlines flying from London Heathrow Airport to Ottawa
Compare and see reviews for airlines that fly from London Heathrow Airport to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 728 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom C$ 824 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom C$ 845 | Free Cancellation | Rating 6.7 7,136 reviews |
Air Canada Flights From London Heathrow Airport to Ottawa
Air Canada is one of the most popular airlines flying from London Heathrow Airport to Ottawa, operating 1 flight/week on average for this route. A good Air Canada flight deal for London Heathrow Airport to Ottawa starts from C$ 603 round-trip, up to an average price of C$ 761. Our users have rated Air Canada at 7.1/10.
Lufthansa Flights From London Heathrow Airport to Ottawa
Across 7,136 Lufthansa reviews on momondo, the average score is 6.7/10. Lufthansa flies from London Heathrow Airport to Ottawa about 1 time each week, with ticket deals ranging from C$ 618 to C$ 787. Price data is based on momondo searches in the last 72 hours.
Travelling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Ottawa?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ottawa for you.
Can I find flights from London to Ottawa with flexible booking policies on momondo?
Yes. All flights to Ottawa from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Ottawa?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from London.
I’m not ready to book a flight from London to Ottawa right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from London and alert you when they change.