Don't know when to travel?
Flights to get there soon
Flights to Ontario in the next month
03 Oct
- 17 Oct
£496
pp
LHR
London
Multiple Airlines
1 stop
ONT
Ontario
ONT
Ontario
United Airlines
1 stop
LHR
London
16 Oct
- 30 Oct
£496
pp
LHR
London
United Airlines
1 stop
ONT
Ontario
ONT
Ontario
United Airlines
1 stop
LHR
London
14 Oct
- 04 Nov
£500
pp
LHR
London
United Airlines
2 stops
ONT
Ontario
ONT
Ontario
Multiple Airlines
1 stop
LHR
London
Cheap flights for the next season
Find flight deals in the next 3 months
07 Nov
- 13 Nov
£456
pp
LHR
London
KLM
2 stops
ONT
Ontario
ONT
Ontario
KLM
2 stops
LHR
London
26 Dec
- 06 Jan
£471
pp
LHR
London
Multiple Airlines
1 stop
ONT
Ontario
ONT
Ontario
Multiple Airlines
1 stop
LHR
London
17 Dec
- 31 Dec
£478
pp
LHR
London
United Airlines
1 stop
ONT
Ontario
ONT
Ontario
United Airlines
2 stops
LHR
London
Flights for the forward planner
Search and compare flight prices in the next 6 months
02 Jan
- 16 Jan
£453
pp
LHR
London
Multiple Airlines
1 stop
ONT
Ontario
ONT
Ontario
Multiple Airlines
1 stop
LHR
London
01 Mar
- 15 Mar
£461
pp
LHR
London
KLM
2 stops
ONT
Ontario
ONT
Ontario
KLM
2 stops
LHR
London
20 Feb
- 25 Feb
£499
pp
LHR
London
Multiple Airlines
1 stop
ONT
Ontario
ONT
Ontario
Multiple Airlines
1 stop
LHR
London
Destination information for Ontario
Things to know before you go. Useful info for your trip from London to Ontario
Currency
Flight duration
13 hrs 44 minsAirports close to London
- Heathrow (LHR)
- Gatwick (LGW)
- Stansted (STN)
- Luton (LTN)
- City (LCY)
- St Pancras (QQS)
Airports serving Ontario
- Ontario International (ONT)
Average temperature for September in Ontario
33 °CRainfall on Average for September in Ontario
1.7 mmPopular flight searches
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