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

7 dates in October, from $ 331. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
20 Oct	Air Transat
18 Oct	Air Transat
23 Oct	WestJet

27 Oct	Porter Airlines (Canada) Ltd
19 Oct	Air Transat
26 Oct	Air Canada
23 Oct	Air Transat Direct Flight

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Deals for return flights from Ottawa to London in October.

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Updated Oct 14, 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 Ottawa (YOW) to London (LGW), October

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