There are most likely no direct flights on the London — Ottawa route
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.
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.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the London — Ottawa route
The minimum one-way ticket price from London to Ottawa is $313 (September 2026), while the maximum is $634 (March 2027). On average, a ticket costs $420–$948.
Prices on the London — Ottawa route are consistently going up. From September 2026 to March 2027, tickets went from $313 to $634 — a 103% increase. This trend is worth considering when planning your trip.
The most significant price increase was from September 2026 to March 2027 — up 103%. The best time to fly is September 2026–October 2026, when the average price is $314. In October 2026–March 2027, tickets cost around $474.
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 34% compared to the most expensive months.
Price variation across months on this route is 35.9%. Your choice of departure month significantly affects the total flight cost.
London — Ottawa
09/08/2026
Departure
Direct flight
TS383
starting at $441
London — Ottawa
10/03/2026
Departure
Direct flight
AC889
starting at $2,198
London — Ottawa
10/04/2026
Departure
Direct flight
TS383
starting at $378
London — Ottawa
10/11/2026
Departure
Direct flight
TS383
starting at $329
London — Ottawa
10/23/2026
Departure
Direct flight
TS383
starting at $329
London — Ottawa
10/10/2026
Departure
Direct flight
LH6692
starting at $2,021
London — Ottawa
10/24/2026
Departure
Direct flight
LH6692
starting at $1,926
The route London — Ottawa is served by several airlines: Air Transat, Air Canada, and Lufthansa. 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 $326 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.
The cheapest flight ticket from London to Ottawa according to data for the last 48 hours costs $326
Often the best time to buy tickets from London to Ottawa is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from London to Ottawa can be found flying in these months: September, October, March.
The fastest flights from London to Ottawa start from 8 hours in the air.
The following airlines operate direct flights on the route London — Ottawa: Air Transat, Air Canada, Lufthansa
The cheapest one-way flight from London to Ottawa departs on 10/10/2026, is operated by Air Transat and costs $326
There is no information about the cheapest roundtrip flight from London to Ottawa
Fastest flight from London to Ottawa takes 8 hours
There are direct flights on this route 4 days a week: Su, Tu, Fr, and Sa
The distance between London and Ottawa is 5361km (3324 miles). There are 11 direct flights from London to Ottawa. The time difference between London and Ottawa is 5h. Flights from London begin at 9:30 AM. The latest flight from London departs at 2:10 PM
We couldn't find any special offers for flights from London to Ottawa