Cheap flights from Ontario (ONT) to London (LCY)
Know your dates, get live prices in secondsHow to find the cheapest flight from Ontario (ONT) to London (LCY)
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.
Cheap flights from Ontario to London in November , December 2026
16 Nov - 15 Dec
$ 1,385.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
26 Nov - 03 Dec
$ 1,426.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
12 Nov - 01 Dec
$ 1,537.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
Last minute flights from Ontario to London
24 Nov - 01 Dec
$ 1,506.00
ONT
Ontario
Frontier Airlines
3 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
ONT
Ontario
26 Nov - 01 Dec
$ 1,520.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
16 Nov - 01 Dec
$ 1,532.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
One-way flights to London from Ontario
10:40 PM - 12:10 PM
Swiss International Air Lines
Swiss International Air Lines
3 Stops
30h 10m
ONT - LCY
ONT - LCY
10:35 AM - 4:30 PM
Virgin Atlantic Airways
Virgin Atlantic Airways
2 Stops
22h
ONT - LCY
ONT - LCY
4:13 PM - 4:00 PM
Aer Lingus
Aer Lingus
2 Stops
17h 17m
ONT - LCY
ONT - LCY
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.
How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by
default, thanks to the
.show class.