Cheapest return flights from Ottawa to London in July from $760

Best time to book flights for Ottawa (YOW) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LGW) in July 2025 (see full year).

Return flights

30 Jul - 28 Aug Porter Airlines (Canada) Ltd
30 Jul - 30 Aug Porter Airlines (Canada) Ltd
05 Jul - 09 Jul Porter Airlines (Canada) Ltd
01 Jul - 04 Jul Air Transat
31 Jul - 31 Aug Porter Airlines (Canada) Ltd
02 Jul - 05 Jul Air Transat
23 Jul - 07 Aug Porter Airlines (Canada) Ltd
18 Jul - 25 Jul Porter Airlines (Canada) Ltd
16 Jul - 03 Aug Air Transat
17 Jul - 04 Aug Air Transat
23 Jul - 04 Aug Air Transat
30 Jul - 07 Aug Porter Airlines (Canada) Ltd
31 Jul - 07 Aug Porter Airlines (Canada) Ltd
14 Jul - 30 Jul Air Transat
09 Jul - 22 Jul Air Transat
10 Jul - 23 Jul Porter Airlines (Canada) Ltd
09 Jul - 23 Jul Porter Airlines (Canada) Ltd
17 Jul - 01 Aug Porter Airlines (Canada) Ltd
01 Jul - 15 Jul Air Transat
10 Jul - 17 Jul Air Transat

Also check the deals for one-way flights from Ottawa to London in July.

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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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