Cheap flights from London to Ottawa

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London to Ottawa flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Ottawa by changing tabs
Quickest
Cheapest
Virgin Atlantic
Virgin Atlantic
03 Oct.
LHR
9:25 p.m.
London Heathrow airport
30h 30m
2 Stops
10:55 p.m.
+1
YOW
Ottawa airport
Virgin Atlantic
07 Oct.
YOW
2:30 a.m.
Ottawa airport
19h 50m
2 Stops
3:20 a.m.
+1
LHR
London Heathrow airport
705 CAD
KLM
KLM
26 Sep.
LHR
12:45 p.m.
London Heathrow airport
15h 12m
2 Stops
10:57 p.m.
YOW
Ottawa airport
KLM
07 Oct.
YOW
12:40 p.m.
Ottawa airport
16h 10m
2 Stops
9:50 a.m.
+1
LHR
London Heathrow airport
707 CAD
KLM
KLM
09 Oct.
LHR
12:45 p.m.
London Heathrow airport
15h 10m
2 Stops
10:55 p.m.
YOW
Ottawa airport
KLM
23 Oct.
YOW
12:40 p.m.
Ottawa airport
16h 10m
2 Stops
9:50 a.m.
+1
LHR
London Heathrow airport
707 CAD
Lufthansa
Lufthansa
21 Oct.
LHR
10:30 a.m.
London Heathrow airport
11h 15m
1 Stop
4:45 p.m.
YOW
Ottawa airport
Lufthansa
29 Oct.
YOW
6:20 p.m.
Ottawa airport
7h 00m
5:20 a.m.
+1
LHR
London Heathrow airport
871 CAD
Brussels Airlines
Brussels Airlines
18 Jul.
LHR
7:50 a.m.
London Heathrow airport
14h 19m
2 Stops
5:09 p.m.
YOW
Ottawa airport
Brussels Airlines
27 Jul.
YOW
3:05 p.m.
Ottawa airport
10h 20m
1 Stop
6:25 a.m.
+1
LHR
London Heathrow airport
1,413 CAD
Air France
Air France
14 Sep.
LHR
10:25 a.m.
London Heathrow airport
12h 56m
1 Stop
6:21 p.m.
YOW
Ottawa airport
Air France
22 Sep.
YOW
12:40 p.m.
Ottawa airport
13h 30m
1 Stop
7:10 a.m.
+1
LHR
London Heathrow airport
750 CAD

How to get the cheapest flight from London to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
WHAT IS THE CHEAPEST MONTH TO FLY ?
September
The cheapest time of year to fly to Ottawa from London is September. The most expensive is July.
WHAT IS THE CHEAPEST DAY TO FLY ?
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Saturday
WHEN IS THE CHEAPEST TIME TO FLY ?
at noon
London to Ottawa flights are approximately 108% more expensive in the afternoon than at noon
WHAT IS THE CHEAPEST AIRLINE THAT FLIES ?
Air France
Air France, KLM, and Delta are the most popular carriers operating from London to Ottawa
WHAT IS THE CHEAPEST ROUTE?
London Heathrow - Ottawa
Fly from London Heathrow to Ottawa for the best London - Ottawa flight prices
WHEN IS THE CHEAPEST TIME TO BOOK A FLIGHT ?
33 days before
The cheapest time to buy a flight from London to Ottawa is approximately 33 days before departure
60
Days before departure
0

Flight information for London to Ottawa

Find info about flight duration, direct flights, and airports for your flight from London to Ottawa
Fastest flight time 7h 35m The fastest flight from London to Ottawa takes 7h 35m.
Direct flights Every day Direct flights go from London to Ottawa every day.
Airports in Ottawa 1 airport There is 1 airport near Ottawa: Ottawa (YOW)

Alternative routes for London to Ottawa

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Montreal
Fastest flight time
7h 05m
Cheapest price
478 CAD
Manchester to Montreal
Fastest flight time
12h 15m
Cheapest price
615 CAD

Flights from London to:

  • Ottawa
  • Ontario
  • Canada
  • North America

Flights to Ottawa from: