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Cheap flights from Ontario (ONT) to London (LON)

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The best prices from Ontario to London are usually found in October or March, booked 40 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flights from Ontario to London
$830
$711
$593
$474
Price
$474 - $779
Temperature
48 - 73 °F
Rainfall
1 - 3 inches
Most popular in July High demand for flights, 17% potential price rise
Cheapest in October Best time to find cheap flights, 3% potential price drop
Average price $560 Price for this month
Cheapest price $474 From Ontario to London

Cheap flights from Ontario to London in November 2019

The best prices found for ONT to LGW flights for November
29 Nov - 13 Dec
$833pp
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
28 Nov - 13 Dec
$834pp
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
26 Nov - 3 Dec
$920pp
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario

Ontario to London 2020 flight deals

Cheap flights to London from Ontario found for next year
12 Feb - 17 Feb
$349pp
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
8 Jan - 12 Jan
$357pp
ONT
Ontario
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ONT
Ontario
11 Jan - 18 Jan
$360pp
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to London

Late deals on round-trip flights to London from Ontario, departing today and this week
19 Nov - 26 Nov
$884pp
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
26 Nov - 3 Dec
$920pp
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
20 Nov - 28 Nov
$939pp
ONT
Ontario
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
 
1 STOP
ONT
Ontario

Alternative routes for Ontario to London

Los Angeles to Exeter from $589 pp
Las Vegas to Birmingham from $742 pp

Destination information for London

Things to know before you go. Useful info for your trip from Ontario to London
Today's exchange rate
$1.00 = £0.78
Average temperature for November in London
53.6 °F
Avg rainfall for November in London
2.5 ″

Airports servicing Ontario

Ontario (ONT)

Airports servicing London

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

Popular flight searches

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Related info for your journey

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

Flight FAQs

From Ontario to London

What days are nonstop flights available from Ontario to London?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 43 users have taken a look at flights from Ontario to London.

Is Ontario weather warmer or cooler than London?

Temperatures around the 95 °F's can be experienced in July. The weather in London is colder than in Ontario. Plan for potential changes in flight availability as peak weather approaches in this location.

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