Cheap flights from Ottawa to London Heathrow

Q: What are the cheapest airlines?

Virgin Atlantic. These airlines usually offer the cheapest flights from Ottawa to London Heathrow.

Q: What airlines fly indirectly?

Lufthansa, Virgin Atlantic, Finnair, British Airways, West Jet. These airlines fly from Ottawa to London Heathrow, but you’ll have at least one layover.

Q: How long is the flight?

9 hrs 20 mins. This is the shortest flight time from Ottawa to London Heathrow.

from as little as £514

4 nights in London, departing Ottawa on 02 / Apr / 2025 with Virgin Atlantic (price found 6 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Ottawa to London Heathrow

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The Ottawa / London Heathrow route

All 5350 km of it

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London Heathrow flight facts

What you need to know

What are the cheapest airlines?

Virgin Atlantic

These airlines usually offer the cheapest flights from Ottawa to London Heathrow.

What airlines fly indirectly?

Lufthansa
Virgin Atlantic
Finnair
British Airways
West Jet

These airlines fly from Ottawa to London Heathrow, but you’ll have at least one layover.

How long is the flight?

9 hrs 20 mins

This is the shortest flight time from Ottawa to London Heathrow.

Alternative flights from the UK to London Heathrow

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Ottawa to London City Airport

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Ottawa to London Gatwick

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02 / Apr / 2025 is currently the lowest priced day of the year to fly the Ottawa/London Heathrow route. There are around 18 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is April.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)

LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Ottawa to London Heathrow

Tips and advice from our flight experts

If you want a cheap flight from Ottawa to London, you've got six airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 02 / Apr / 2025.

Make sure you use the search options above to search for flights to other airports in London, not just London Heathrow. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 13 hrs 5 mins.

There are about 18 flights to or via London every week, so you have plenty of options. Keep your eye out for flights with Lufthansa, Virgin Atlantic and Finnair – these are the most popular airlines for flying to .

If you're planning on going to London during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.