Porter Airlines CanadaDepart10:30
Sun, Nov 15YOW → LHR
10h 36m · 2 stops
$594one way, per person
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- Cheapest fare
- $594
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 9h 38m
Porter Airlines Canada · Sun, Nov 15
from $594
Usually 1+ stop
5,360 km
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Cheapest month to fly from Ottawa to London
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
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Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Ottawa to London
Ottawa (YOW) and London (LON) are about 5,360 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 9h 38m. Over the next few months, one-way fares start from $594, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Ottawa to London?
The cheapest one-way fare we've seen recently is $594 with Porter Airlines Canada, departing Sunday, November 15, 2026. Over the coming months, the lowest fare in each month ranges from $594 to $747.
What is the cheapest month to fly from Ottawa to London?
November 2026 currently has the lowest fares, from $594 one way.
Are there direct flights from Ottawa to London?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Ottawa to London?
The quickest journey we've seen takes about 9h 38m. Ottawa and London are around 5,360 km apart.
Which airlines fly from Ottawa to London?
Recent fares on this route were with Porter Airlines Canada, Air Canada and PAL Airlines.
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