Cheapest return flights from Ottawa to London in July from $715

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

16 Jul - 31 Jul Air Canada
31 Jul - 23 Aug Lufthansa
09 Jul - 17 Jul Air Canada direct
10 Jul - 18 Jul Air Canada
07 Jul - 22 Jul Air Canada
13 Jul - 19 Jul Air Canada
23 Jul - 09 Aug Air Canada
23 Jul - 11 Aug Air Canada
24 Jul - 10 Aug Air Canada
24 Jul - 12 Aug Air Canada
12 Jul - 11 Aug Lufthansa direct
14 Jul - 09 Aug Lufthansa direct
24 Jul - 09 Aug Air Canada
26 Jul - 11 Aug Lufthansa
28 Jul - 13 Aug Lufthansa direct
07 Jul - 21 Jul Lufthansa
01 Jul - 15 Jul Air Canada
04 Jul - 07 Jul Air France
11 Jul - 13 Jul Air France
02 Jul - 05 Jul Air France

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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