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Flights from Ottawa to London

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Ottawa to London 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 Ottawa to London by changing tabs
Quickest
Cheapest
WestJet
WestJet
17 Sep.
YOW
9:40 a.m.
Ottawa airport
13h 30m
1 Stop
4:10 a.m.
+1
LGW
London Gatwick airport
WestJet
27 Sep.
LGW
10:30 a.m.
London Gatwick airport
12h 20m
1 Stop
5:50 p.m.
YOW
Ottawa airport
760 CAD
WestJet
WestJet
03 Oct.
YOW
5:10 a.m.
Ottawa airport
17h 55m
1 Stop
4:05 a.m.
+1
LGW
London Gatwick airport
WestJet
14 Oct.
LGW
3:45 p.m.
London Gatwick airport
14h 30m
1 Stop
1:15 a.m.
+1
YOW
Ottawa airport
783 CAD
Air Canada
Air Canada
12 Sep.
YOW
5:00 p.m.
Ottawa airport
29h 25m
1 Stop
3:25 a.m.
+2
LHR
London Heathrow airport
Air Canada
02 Oct.
LHR
7:50 a.m.
London Heathrow airport
12h 39m
2 Stops
3:29 p.m.
YOW
Ottawa airport
786 CAD
Lufthansa
Lufthansa
23 Sep.
YOW
12:00 p.m.
Ottawa airport
9h 30m
1 Stop
2:30 a.m.
+1
LHR
London Heathrow airport
Lufthansa
02 Oct.
LHR
11:05 a.m.
London Heathrow airport
9h 24m
1 Stop
3:29 p.m.
YOW
Ottawa airport
846 CAD
Lufthansa
Lufthansa
01 Oct.
YOW
5:35 p.m.
Ottawa airport
10h 05m
1 Stop
8:40 a.m.
+1
LHR
London Heathrow airport
Lufthansa
12 Oct.
LHR
1:05 p.m.
London Heathrow airport
12h 06m
1 Stop
8:11 p.m.
YOW
Ottawa airport
845 CAD
Air Canada
Air Canada
24 Sep.
YOW
11:00 a.m.
Ottawa airport
10h 30m
1 Stop
2:30 a.m.
+1
LHR
London Heathrow airport
Air Canada
11 Oct.
LHR
7:50 a.m.
London Heathrow airport
12h 39m
2 Stops
3:29 p.m.
YOW
Ottawa airport
786 CAD

How to get the cheapest flight from Ottawa to London

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
October
The cheapest time of year to fly to London from Ottawa is October. The most expensive is July.
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday
CHEAPEST TIME TO FLY
in the Afternoon
Ottawa to London flights are approximately 9% more expensive in the Morning than in the Afternoon
CHEAPEST AIRLINE
WestJet
WestJet, SWISS, and United Airlines are the most popular carriers operating from Ottawa to London
CHEAPEST ROUTE
Ottawa - London Gatwick
Fly from Ottawa to London Gatwick for the best Ottawa - London flight prices
CHEAPEST TIME TO BOOK
25 days before
The cheapest time to buy a flight from Ottawa to London is approximately 25 days before departure
60
Days before departure
0

Flight information for Ottawa to London

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London
Fastest flight time
6h 50m
The fastest flight from Ottawa to London takes 6h 50m.
Direct flights
Every day
Direct flights go from Ottawa to London every day.
Airports in London
6 airports
There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

Alternative routes for Ottawa to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Flights from Ottawa to:

Flights to London from:

  • Ottawa
  • Ontario
  • Canada
  • North America