Cheapest return flights from Ottawa to London in July from $746

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

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

Return flights

24 Jul - 30 Jul Air Canada
25 Jul - 31 Jul Air Canada
23 Jul - 30 Jul Air Canada
21 Jul - 28 Jul Air Canada
30 Jul - 07 Aug Air Canada
27 Jul - 11 Aug Air Canada
26 Jul - 11 Aug Air Canada
10 Jul - 13 Aug Air Canada
22 Jul - 05 Aug Air Canada
23 Jul - 06 Aug Air Canada
05 Jul - 20 Jul Air Canada
06 Jul - 20 Jul Air Canada
03 Jul - 17 Jul Air Canada
03 Jul - 18 Jul Air Canada
29 Jul - 09 Aug Air Canada
31 Jul - 11 Aug Air Canada
30 Jul - 16 Aug Air Canada
28 Jul - 13 Aug Lufthansa
09 Jul - 13 Jul Air Canada
10 Jul - 14 Jul Air Canada

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

Skyscanner

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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