Cheap flights from Ottawa to London from $0
Compare prices across airlines and find the best deals
|
Discover deals on Ottawa to London flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Ottawa to London
Best
1 stop
8 Feb
DEP
17:45
YOW
1×
12:50
LHR
14h 5m
8 Feb
DEPARTURE
17:45 - 12:50
14h 5m
YOW
1 stop
LHR
1 stop
8 Feb
DEP
17:45
YOW
1×
12:50
LHR
14h 5m
8 Feb
DEPARTURE
17:45 - 12:50
14h 5m
YOW
1 stop
LHR
Air Canada flights from Ottawa to London
Our best Air Canada deals on Ottawa to London tickets
Best
8 Feb
DEP
21:55
YOW
09:20
LHR
6h 25m
8 Feb
DEPARTURE
21:55 - 09:20
6h 25m
YOW
LHR
2 stops
8 Feb
DEP
14:05
YOW
2×
07:10
LHR
12h 5m
8 Feb
DEPARTURE
14:05 - 07:10
12h 5m
YOW
2 stops
LHR
Lufthansa flights from Ottawa to London
Our best Lufthansa deals on Ottawa to London tickets
Best
8 Feb
DEP
21:55
YOW
09:20
LHR
6h 25m
8 Feb
DEPARTURE
21:55 - 09:20
6h 25m
YOW
LHR
1 stop
8 Feb
DEP
16:00
YOW
1×
07:10
LHR
10h 10m
8 Feb
DEPARTURE
16:00 - 07:10
10h 10m
YOW
1 stop
LHR
WestJet flights from Ottawa to London
Our best WestJet deals on Ottawa to London tickets
Best
1 stop
8 Feb
DEP
17:45
YOW
1×
12:50
LHR
14h 5m
8 Feb
DEPARTURE
17:45 - 12:50
14h 5m
YOW
1 stop
LHR
1 stop
8 Feb
DEP
17:45
YOW
1×
12:50
LHR
14h 5m
8 Feb
DEPARTURE
17:45 - 12:50
14h 5m
YOW
1 stop
LHR
Virgin Atlantic flights from Ottawa to London
Our best Virgin Atlantic deals on Ottawa to London tickets
Best
1 stop
8 Feb
DEP
17:20
YOW
1×
13:45
LHR
15h 25m
8 Feb
DEPARTURE
17:20 - 13:45
15h 25m
YOW
1 stop
LHR
What's the cheapest day of the week to fly from Ottawa to London?
If your flying dates are flexible, you should consider flying to London on a Fri, as we generally find the cheapest rates on that day. On the other hand, Sun is the most expensive day to fly.
What is the cheapest month to fly from Ottawa to London?
The cheapest month for flights from Ottawa to London is Oct, where tickets cost $762 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$1104$933$762
Travellers love booked.ai
54,345
searches in the past 7 days
721
searches for Ottawa to London
Everything you should know
Cheapest one-way flight
$794
Typical prices: $794–$1094
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
✓IATA accredited — Book with confidence through an IATA-accredited travel agent
✓Track prices — Not ready to book? Create a price alert for when prices drop
✓Free to use — There are no hidden charges or fees
Explore our London guides
Discover the best things to do, see, and experience in London
Frequently asked questions
The cheapest flight from Ottawa to London currently costs AUD $794. Prices typically range from $794 to $1094. Prices change frequently, so we recommend booking early and being flexible with your travel dates.