Cheap Flights from London to Ontario

View €1,076 flight on Thu, 22 May 2025Opens in a new window

Popular airlines from London to Ontario

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Cheap flights from London to Ontario (LON-QLA)

Prices were available within the past 7 days and start at €1,076 for one-way flights and €505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€505 Return, found 3 days ago
€505
Return
found 3 days ago
Select Lufthansa flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €505 found 3 days ago
United
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€525 Return, found 3 days ago
€525
Return
found 3 days ago
Select United flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €525 found 3 days ago
Delta
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€526 Return, found 3 days ago
€526
Return
found 3 days ago
Select Delta flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €526 found 3 days ago
American Airlines
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€526 Return, found 3 days ago
€526
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €526 found 3 days ago
Air Canada
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€531 Return, found 3 days ago
€531
Return
found 3 days ago
Select Air Canada flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €531 found 3 days ago
KLM
Sat, 19 Apr - Fri, 2 May
LHR
London
ONT
Ontario
€574 Return, found 3 days ago
€574
Return
found 3 days ago
Select KLM flight, departing Sat, 19 Apr from London to Ontario, returning Fri, 2 May, priced at €574 found 3 days ago
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