AirHint found the following cheapest return flights from Ottawa (YOW) to London (LGW) in May 2026 (see full year).
Return flights
| 02 May - 15 May | Air Transat | ||
| 04 May - 18 May | Air Transat | ||
| 20 May - 08 Jun | Air Transat | ||
| 06 May - 23 May | Air Transat | ||
| 21 May - 13 Jun | Air Transat |
Also check the deals for one-way flights from Ottawa to London in May.
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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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