Cheap flights from London to Ottawa

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Info about flights from London to Ottawa

Some useful info about flights from London to Ottawa to help you plan your next trip

Average flight duration 1h 56m
Cheapest month October
Average number of flights per week 1
First flight time 05:10
Last flight time 20:40
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

What’s the cost of a flight from London to Ottawa?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Ottawa.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports serve London and Ottawa?

When planning a trip of about 314 mi, it's a good idea to check flights from surrounding airports too.

  • Airports in London: London is the only operational airport in the area.
  • Airports in Ottawa: The only active airport in Ottawa is Ottawa - McDonald Cartier.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flights from London to Ottawa - McDonald Cartier

Plan your journey from London to Ottawa with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Canada? These cities are trending: Calgary, Edmonton, Montreal, Toronto, Vancouver.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from London to Ottawa.

How much does an airline ticket from London to Ottawa cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London to Ottawa.

How far is London from Ottawa?

London is about 314 mi from Ottawa.

What are the airports in Ottawa?

Ottawa has one airport: Ottawa - McDonald Cartier.

What are the airports in London?

London has one airport: London.

What are the most popular cities in Canada?

The most popular cities in Canada according to our users' searches are: Calgary, Edmonton, Montreal, Toronto, Vancouver.

When should I book a flight from London to Ottawa?

The best time to book a flight from London to Ottawa is 1 month in advance, while the worst time is 3 weeks in advance.

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

The cheapest month to fly from London to Ottawa is October.

What is the most expensive month to fly from London to Ottawa?

The most expensive month to fly from London to Ottawa is November.

What is the best day of the week to fly from London to Ottawa?

This information is not available at the moment.