Q: How much does it cost to fly round-trip from London to Ottawa?

Airfare is below average for this route at the moment. London to Ottawa flights typically cost between C$ 1,131 and C$ 1,690 in September. The cheapest round-trip price found within the last 3 days was C$ 843 on Multiple Airlines (11 Sep-18 Sep).

Question 1

Which airport typically offers the quickest layover for flights from London to Ottawa?

Accepted Answer

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 21m.

Question 2

How much does it cost to fly round-trip from London to Ottawa?

Accepted Answer

Airfare is below average for this route at the moment.London to Ottawa flights typically cost between C$ 1,131 and C$ 1,690 in September.
The cheapest round-trip price found within the last 3 days was C$ 843 on Multiple Airlines (11 Sep-18 Sep).

Question 3

What’s the fastest layover option from London to Ottawa?

Accepted Answer

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 9h 14m.

Question 4

What’s the cheapest layover airport for flights from London to Ottawa?

Accepted Answer

Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of C$ 841.

Question 5

What’s the top layover airport for flights from London to Ottawa?

Accepted Answer

Toronto (YYZ) – chosen by Cheapflights users on 50% of one-stop itineraries from London to Ottawa on Cheapflights.

Question 6

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

Accepted Answer

Our cheapest airline available from London to Ottawa is Virgin Atlantic. Our recent data shows that you can find tickets from as low as C$ 870 on this airline. Additional options worth looking into are Air Canada and Air France, starting at C$ 884 and C$ 886 round-trip. These flights start at 14% lower than the current average price 3 months from now.

Question 7

What are the cheapest airlines to fly from London to Ottawa one-way?

Accepted Answer

C$ 629 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and TAP AIR PORTUGAL, with prices starting from C$ 630 and C$ 1,123, respectively.

Question 8

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

Accepted Answer

The price you pay for your flight from London to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

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

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from London to Ottawa (average of C$ 224). Flying from London to Ottawa in December is currently the most expensive (average of C$ 326). 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 to Ottawa?

Accepted Answer

Travelers seeking maximum savings on their London to Ottawa flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings 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 mm 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 most popular routes from London to Ottawa?

Accepted Answer

When deciding which route to take from London to Ottawa consider London Heathrow - Ottawa, London Gatwick - Ottawa or London City - Ottawa as they are the most popular.

Question 14

What are the cheapest flights from London to Ottawa?

Accepted Answer

The cheapest flight price from London to Ottawa is C$ 735. On average you can expect to pay C$ 1,674. The most popular route, (London Heathrow - Ottawa), can usually be booked for C$ 870.

Question 15

What are the most reliable airlines from London to Ottawa?

Accepted Answer

Before booking your flight to Ottawa from London, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Aegean Airlines (90%), Austrian Airlines( 90%).

Question 16

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

Accepted Answer

When booking a flight from London to Ottawa, you may want to consider flying on Air Canada, Air France or Lufthansa as they are the most popular for this route.

Question 17

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

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ottawa. Check prices with Cheapflights to find a great deal for your trip.

Question 18

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

Accepted Answer

Travellers have found it’s best to book a flight 33 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Ottawa 1-2 weeks in advance for as low as C$ 943, or C$ 1,050 for flights within the next 24 hours.

Question 19

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Ottawa. Flights to Ottawa from London in January are about C$ 1,023 on average during January, but can be found for as low as C$ 690.

Question 20

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London to Ottawa in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at noon.

Question 21

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

Accepted Answer

Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from London to Ottawa. 3 airlines have flights to Ottawa from London on a regular basis. Booking flights from London to Ottawa should not be difficult; the airport handles an average of 4 inbound flights from London per day.

Question 22

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

Accepted Answer

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

Question 23

How can I find direct flights from London 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 London to Ottawa.

Question 24

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

Accepted Answer

Yes. Cheapflights offers flight deals from London 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 25

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

Accepted Answer

When you search for this flight from London to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 26

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

Accepted Answer

Cheapflights helps you find that perfect flight to Ottawa from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 27

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Ottawa flexibly with Cheapflights today.

Question 28

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

Accepted Answer

Yes! Start tracking prices for London to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	C$ 850
One-way from	C$ 447
Popular in	August
Cheapest in	January
Average price	C$ 1,221
Good round-trip deal	C$ 742 or less
Good one-way deal	C$ 944 or less

Airline	Cheapest	Average	Flexibility	On-time
Air France	CheapestC$ 735	AverageC$ 963	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	CheapestC$ 809	AverageC$ 1,052	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 853	AverageC$ 1,085	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from London to Ottawa from C$ 447

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Ottawa are usually found in January or February, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from London to Ottawa

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Find flight deals from London to Ottawa

Cheapest flights from London to OttawaExplore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

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Use the filters below to find and compare flights from London to Ottawa that are best for you.

Best time to book a flight from London to Ottawa

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from London to Ottawa. Price data was last updated on 25 July 2025.

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

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

Find hourly flight availability from London to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

How much does it cost to fly round-trip from London to Ottawa?

What’s the top layover airport for flights from London to Ottawa?

Share of one-stop round-trip flights from London to Ottawa chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from London to Ottawa?

Average round-trip fare for 1-stop flights from London to Ottawa, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from London to Ottawa?

Shortest average travel time for 1-stop one-way flights from London to Ottawa, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from London to Ottawa?

Average layover duration for 1-stop one-way flights from London to Ottawa, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 30 July 2025.

Check out reviews from past customers who have flown with KLM,Air Transat, andAir France from London to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London 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?

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

What are the cheapest airlines to fly from London to Ottawa one-way?

What are the most popular routes from London to Ottawa?

What are the most reliable airlines from London to Ottawa?

What are the cheapest flights from London to Ottawa?

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

How can I find direct flights from London to Ottawa?

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

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

Travelling to a place near Ottawa?

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Alternative routes for London to Ottawa

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Top 3 airlines flying from London to Ottawa

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

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

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

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

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Cheapest flights from London to Ottawa
Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.