Menu
Menu
New York

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

ONT
Ontario
LON
London
 Add details to search for flights

Cheap flights from Ontario to London in June 2019

The best prices found for ONT to LON flights for June
26 Jun - 11 Jul
$639pp
ONT
Ontario
British Airways
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
British Airways
   
2 STOPS
ONT
Ontario
1 Jul - 2 Sep
$683pp
ONT
Ontario
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
 
1 STOP
ONT
Ontario
29 Jun - 9 Jul
$700pp
ONT
Ontario
British Airways
   
2 STOPS
LCY
London City
LCY
London City
British Airways
   
2 STOPS
ONT
Ontario

Ontario to London 2019 flight deals

Cheap flights to London from Ontario found for this year
15 Oct - 30 Oct
$451pp
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air France
   
2 STOPS
ONT
Ontario
22 Oct - 30 Oct
$451pp
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
   
2 STOPS
ONT
Ontario
23 Oct - 30 Oct
$451pp
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
31 May - 4 Jun
$1778pp
ONT
Ontario
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
ONT
Ontario
30 May - 11 Jun
$1828pp
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario

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 = £0.80

Airports servicing Ontario

Airports servicing London

Stansted (STN)
City (LCY)
Gatwick (LGW)
Heathrow (LHR)
Luton (LTN)
Average temperature for May in London
18.2 °C
Avg rainfall for May in London
50.5 mm