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Cheapest one-way flights from London (LGW) to Ottawa (YOW), September

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Dates, airline, and price
Dates	Airline	Price
23 Sep	Air Transat
25 Sep	Air Transat
10 Sep	Air Transat
21 Sep	Air Transat
01 Sep	Air Transat
30 Sep	Air Transat
02 Sep	Air Transat
22 Sep	Air Transat Direct Flight
25 Sep	Air Transat Direct Flight
20 Sep	Air Transat Direct Flight

deals for return flights from London to Ottawa in September.

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Updated Jul 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from London (LGW) to Ottawa (YOW), September

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