Cheap flights from London to Ontario

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The best prices from London to Ontario are usually found in February or March, booked 47 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Return
Economy
Thu 29/10
Thu 5/11
From
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To
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Leaving on
Thu 29/10
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From
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To
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To
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To
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Depart
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From
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To
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Depart
Time
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From
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To
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Leaving on
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How to find the cheapest flight from
London (LON) to Ontario (ONT)

LON - ONT
Price
£306 - £888

Popular in

July

High demand for flights, 47% potential price rise

Cheapest in

February

Best time to find cheap flights, 35% potential price drop

Average price

£368

Average for round-trip flights in October 2020

Round-trip from

£306

From London to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Ontario?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 35%.

How far in advance should I book a flight from London to Ontario?

Find a great deal and save up to 29% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Ontario within the next two weeks, with the cheapest ticket starting at £444.

What is the cheapest month to fly from London to Ontario?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Ontario. Flights to Ontario from London in February are about £407 on average during February, but can be found for as low as £269.

When is the cheapest time to fly from London to Ontario (LON - ONT)?

A simple way to save on the total cost of your ticket is to fly from London to Ontario at midday. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

Cheap flights from London to Ontario in October, November 2020

The best prices found for LON to ONT flights in October, November
22 Oct - 29 Oct
£742pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
   
2 STOPS
LHR
London Heathrow
22 Oct - 29 Oct
£757pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
   
2 STOPS
LHR
London Heathrow
22 Oct - 29 Oct
£771pp
LCY
London City
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
   
2 STOPS
LCY
London City

London to Ontario 2020 flight deals

Cheap flights to Ontario from London found for this year
4 Dec - 13 Dec
£366pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
   
2 STOPS
LHR
London Heathrow
4 Dec - 13 Dec
£425pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
LHR
London Heathrow
4 Dec - 12 Dec
£433pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow

One-way flights to Ontario from London

The cheapest one-way flights from London to Ontario
09:30 - 05:05
Air Canada
2 stops
51h 35m
LHR - ONT
Air Canada
£250
Gotogate
08:35 - 16:25
Lufthansa
1 stop
15h 50m
LHR - ONT
Lufthansa
£365
Gotogate
14:05 - 08:25
British Airways
2 stops
50h 20m
LCY - ONT
British Airways

Related info for your journey

Useful info, stats and facts about London to Ontario flights.

Flight FAQs

From London to Ontario

Are flight prices decreasing from London to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, United Airlines, and Virgin Atlantic flying from London to Ontario have implemented new flexible cancellation policies.

Can I find flights from London to Ontario for under £383 on Cheapflights?

Yes, there are multiple flights from London to Ontario for under £383. The cheapest flight booked recently is on KLM for just £366, but on average you can expect to pay £487.

Are there direct flights from London to Ontario for under £383 on Cheapflights?

There are no direct flights from London to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is London weather warmer or cooler than Ontario?

You can imagine temperatures to be in the 35 °C range in July. The weather in Ontario is generally hotter than London's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long does is the flight from London to Ontario?

Airlines like United Airlines, British Airways, and Air Canada fly from London to Ontario in about 15h 07m. The time it takes to get you to your destination can typically vary by up to 2h 31m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from London to Ontario return?

According to our current data, KLM (£366), American Airlines (£432), and British Airways (£433) offers the cheapest pricing from London to Ontario. KLM is 22% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Ontario one-way?

The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as £250. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from London to Ontario for a low price.

Alternative routes for London to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from London to Ontario
Today's exchange rate
£1 = $1.31

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Ontario

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