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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
KLM
KLM
01 Sep.
LHR
7:30 a.m.
London Heathrow airport
20h 27m
2 Stops
10:57 p.m.
YOW
Ottawa airport
KLM
10 Sep.
YOW
12:40 p.m.
Ottawa airport
13h 30m
1 Stop
7:10 a.m.
+1
LHR
London Heathrow airport
697 CAD
KLM
KLM
05 Sep.
LHR
10:55 a.m.
London Heathrow airport
17h 02m
2 Stops
10:57 p.m.
YOW
Ottawa airport
KLM
12 Sep.
YOW
12:40 p.m.
Ottawa airport
13h 30m
1 Stop
7:10 a.m.
+1
LHR
London Heathrow airport
697 CAD
KLM
KLM
16 Oct.
LHR
12:45 p.m.
London Heathrow airport
15h 10m
2 Stops
10:55 p.m.
YOW
Ottawa airport
KLM
26 Oct.
YOW
8:45 a.m.
Ottawa airport
18h 10m
2 Stops
6:55 a.m.
+1
LHR
London Heathrow airport
700 CAD
Lufthansa
Lufthansa
28 Oct.
LHR
6:00 p.m.
London Heathrow airport
10h 14m
1 Stop
12:14 a.m.
+1
YOW
Ottawa airport
Lufthansa
11 Nov.
YOW
10:00 a.m.
Ottawa airport
12h 30m
1 Stop
3:30 a.m.
+1
LHR
London Heathrow airport
883 CAD
Aer Lingus
Aer Lingus
18 Oct.
LGW
11:55 a.m.
London Gatwick airport
13h 16m
2 Stops
8:11 p.m.
YOW
Ottawa airport
Aer Lingus
27 Oct.
YOW
11:00 a.m.
Ottawa airport
12h 55m
2 Stops
3:55 a.m.
+1
LGW
London Gatwick airport
1,051 CAD
Air Canada
Air Canada
10 Jul.
LHR
3:05 p.m.
London Heathrow airport
12h 52m
1 Stop
10:57 p.m.
YOW
Ottawa airport
Air Canada
31 Jul.
YOW
12:00 p.m.
Ottawa airport
13h 25m
1 Stop
6:25 a.m.
+1
LHR
London Heathrow airport
1,109 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
CHEAPEST MONTH TO FLY
September
The cheapest time of year to fly to Ottawa from London is September. The most expensive is July.
CHEAPEST DAY TO FLY
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
at Noon
London to Ottawa flights are approximately 8% more expensive in the Afternoon than at Noon
CHEAPEST AIRLINE
Air France
Air France, KLM, and Delta are the most popular carriers operating from London to Ottawa
CHEAPEST ROUTE
London Heathrow - Ottawa
Fly from London Heathrow to Ottawa for the best London - Ottawa flight prices
CHEAPEST TIME TO BOOK
28 days before
The cheapest time to buy a flight from London to Ottawa is approximately 28 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

Flights from London to:

  • Ottawa
  • Ontario
  • Canada
  • North America

Flights to Ottawa from: