Cheapest one-way flights from Ottawa to London in June from 381€

AirHint found the following cheapest one-way flights from Ottawa (YOW) to London (LHR) in June 2026 (see full year).

One-Way flights

06 Jun WestJet
30 Jun WestJet
15 Jun Air Canada direct
06 Jun Air Canada direct

Also check the deals for return flights from Ottawa to London in June.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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