Question 1

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

Accepted Answer

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

Question 2

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 according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Question 3

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

Accepted Answer

Our data shows that Tuesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 993. Flights from London to Ottawa on a Sunday will generally be more expensive and average around C$ 1,774. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 4

Which layover airport offers the lowest fares from London to Ottawa?

Accepted Answer

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 1,026.

Question 5

Which layover airport has the shortest connection time from London to Ottawa?

Accepted Answer

Paris (CDG) has the shortest average layover time for this route: 2h 21m.

Question 6

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 7

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

Accepted Answer

2 flights are operational daily from London to Ottawa as of January 2026. The most popular departure time for this route is 12:00p.m., with 100% of flights per day taking off in the afternoon.

Question 8

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 9

How have London to Ottawa flight prices changed over time?

Accepted Answer

As of January 2026, prices for London to Ottawa flights are approximately 5% cheaper when compared to flights at the same time last year.

Question 10

Can stopping save me money on London to Ottawa flights?

Accepted Answer

You could potentially save up to 38% on your flight if you consider stops on a London to Ottawa flight.

Question 11

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 12

Which layover airport has the shortest travel time from London to Ottawa?

Accepted Answer

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 12h 03m.

Question 13

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

Accepted Answer

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

Question 14

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 1,035 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from London for as low as C$ 705 on momondo.

Question 15

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

Accepted Answer

Our most recent data shows that the best time of day to fly to Ottawa is at noon. Flights from London to Ottawa during this time can be as low as C$ 1,126. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,131 per ticket.

Question 16

What is the cheapest month to fly to Ottawa?

Accepted Answer

The month of February is, on average, the cheapest month to fly to Ottawa from London, with most prices found around C$ 917. If you aren’t able to travel to Ottawa during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 924.

Question 17

Which airport is the most popular layover for flights between London and Ottawa?

Accepted Answer

Paris (CDG) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Question 18

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

Accepted Answer

Prices are currently typical for flights on this route.Typical prices usually range from C$ 754 to C$ 1,184.
The lowest price recently found on this route was C$ 765.

Question 19

What is the cheapest London to Ottawa flight route?

Accepted Answer

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

Question 20

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

Accepted Answer

Air Transat and Scandinavian Airlines are the most popular carriers operating from London to Ottawa

Question 21

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

Accepted Answer

The number of flights available between London and Ottawa is 18 per week as of January 2026. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

Question 22

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

Accepted Answer

Prices for flights from London to Ottawa Airport refresh daily.

Question 23

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

Accepted Answer

As of January 2026, there are 3 operators available to choose from for flights from London to Ottawa Airport.

Question 24

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Ottawa Airport.

Question 25

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	C$ 815
Fastest flight time	7h 30m
Direct flights	Every day
Airports in Ottawa	1 airport

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom C$ 801	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
Air Canada	PriceFrom C$ 807	Free Cancellation	Rating 7.1 10,635 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 860	Free Cancellation	Rating 6.8 7,731 reviews	Search Lufthansa flights

Cheap flights from London to Ottawa from C$ 351

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 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 to Ottawa

What is the typical price of a round-trip flight between London 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?

Our most recent data shows that the best time of day to fly to Ottawa is at noon. Flights from London to Ottawa during this time can be as low as C$ 1,126. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,131 per ticket.

What is the cheapest London to Ottawa flight route?

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

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

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

There are 3 cabin classes available to choose from on London 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 to Ottawa flights?

You could potentially save up to 38% on your flight if you consider stops on a London to Ottawa flight.

How have London to Ottawa flight prices changed over time?

As of January 2026, prices for London to Ottawa flights are approximately 5% cheaper when compared to flights at the same time last year.

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

Air Transat and Scandinavian Airlines are the most popular carriers operating from London 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 has had the least 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 layover for flights between London and Ottawa?

Paris (CDG) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from London to Ottawa?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 1,026.

Which layover airport has the shortest travel time from London to Ottawa?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 12h 03m.

Which layover airport has the shortest connection time from London to Ottawa?

Paris (CDG) has the shortest average layover time for this route: 2h 21m.

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

2 flights are operational daily from London to Ottawa as of January 2026. The most popular departure time for this route is 12:00p.m., with 100% of flights per day taking off in the afternoon.

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

The number of flights available between London and Ottawa is 18 per week as of January 2026. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

When to book flights from London to Ottawa

Cheap London to Ottawa (LON to YOW) flight deals and tips

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

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

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

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