Cheap Flights from London to Ottawa

Cheapest flights from London to Ottawa

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Ottawa. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$370

Ryanair

3 layovers

1d 14h 10m

02/27/2026

The cheapest one-way flight from London to Ottawa departs on 02/27/2026, is operated by Ryanair and costs $370

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from London to Ottawa

The fastest flight

1d 0h 50m

Fastest flight from London to Ottawa takes 1d 0h 50m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

12:00 PM

Latest flight

12:00 PM

Direct flights count

3

Distance

5373km

Timezone difference

5h

The distance between London and Ottawa is 5373km (3331 miles). There are 3 direct flights from London to Ottawa. The time difference between London and Ottawa is 5h. Flights from London begin at 12:00 PM. The latest flight from London departs at 12:00 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from London to Ottawa by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from London to Ottawa

December 2025

Lowest price

on average:

$606

Avg Price

Airlines operating on route

The route London — Ottawa is served by several airlines: Air Canada, Ryanair, and Air France. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $370 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Air Canada

starting at $1,812

Ryanair

starting at $370

Air France

starting at $418

Non-stop flights from London to Ottawa

A non-stop flight is the most convenient and comfortable way to fly from London to Ottawa, despite the fact that sometimes flights with transfers can cost significantly less.

London — Ottawa

LON — YOW

02/25/2026

Departure

Direct flight

AC6692

starting at $1,837

London — Ottawa

LON — YOW

02/27/2026

Departure

Direct flight

AC6692

starting at $1,812

Schedule of direct flights from London to Ottawa

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Ottawa:

Unable to find information about the schedule of direct flights from

London airports overview

London City Airport

•

LCY

2km

London Gatwick Airport

•

LGW

43km

London Heathrow Airport

•

LHR

36km

Major international hub serving London with extensive long‑haul and short‑haul connections, multiple terminals, and frequent rail and bus links to the city center.

London Luton Airport

•

LTN

51km

London Southend Airport

•

SEN

45km

Serves the eastern Greater London area and Southend-on-Sea, offering domestic and limited international routes with a compact terminal and a dedicated rail link for convenient access to central London.

Stansted Airport

•

STN

45km

Serving London and the East of England about 50 km northeast of central London, it handles primarily low-cost and international flights. Frequent rail and coach links provide direct connections to central London and regional destinations.

•

Ottawa airports overview

Gatineau Airport

•

YND

10km

Serving Gatineau, Quebec and western Ottawa, the airport primarily handles general aviation, flight training, charter and medevac operations, supporting private and regional travel.

Ottawa/Macdonald-Cartier International Airport

•

YOW

11km

Serves the national capital region with domestic and international flights, offering year‑round connections to major Canadian and US cities and easy access to downtown Ottawa.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from London to Ottawa?

The cheapest flight ticket from London to Ottawa according to data for the last 48 hours costs $370

When is the best time to buy air tickets on the route London — Ottawa?

Often the best time to buy tickets from London to Ottawa is 2 months before departure.

When is the cheapest time of year to fly from London to Ottawa?

Based on statistics over the past years, the lowest prices for flights from London to Ottawa can be found flying in these months: December.

How long does it take to fly from London to Ottawa?

The fastest flights from London to Ottawa start from 50 minutes in the air.

Which airline can fly direct from London to Ottawa?

The following airlines operate direct flights on the route London — Ottawa: Air Canada

Special offers and sales on air tickets from London to Ottawa

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from London to Ottawa

Alternative routes

Bournemouth ➜ Ottawa•Brighton ➜ Ottawa•Cambridge ➜ Ottawa•Coventry ➜ Ottawa•Milton Keynes ➜ Ottawa•Norwich ➜ Ottawa•Leicester ➜ Ottawa•Southampton ➜ Ottawa•Reading ➜ Ottawa•Swindon ➜ Ottawa•London ➜ Syracuse•London ➜ Montreal•London ➜ Toronto

•••••••••••••••••••

Cheapest one way flight

$370

Ryanair

3 layovers

1d 14h 10m

02/27/2026

The cheapest one-way flight from London to Ottawa departs on 02/27/2026, is operated by Ryanair and costs $370

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from London to Ottawa

The fastest flight