Cheapest return flights from Ottawa to London in July from $852

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

28 Jul - 04 Aug Lufthansa direct
07 Jul - 14 Jul Lufthansa direct
09 Jul - 23 Jul Lufthansa direct
21 Jul - 28 Jul Lufthansa direct
28 Jul - 13 Aug Lufthansa direct
26 Jul - 04 Aug Lufthansa direct
11 Jul - 21 Jul Air Canada
17 Jul - 04 Aug Lufthansa direct
07 Jul - 17 Jul Lufthansa direct
05 Jul - 15 Jul Air Canada
17 Jul - 30 Jul Lufthansa direct
25 Jul - 04 Aug Air Canada
06 Jul - 13 Jul Air Canada
28 Jul - 11 Aug Lufthansa direct
12 Jul - 11 Aug Lufthansa direct
31 Jul - 11 Aug Air Canada direct
26 Jul - 11 Aug Lufthansa direct
17 Jul - 05 Aug Air Canada
09 Jul - 19 Jul Virgin Atlantic
09 Jul - 19 Jul Lufthansa direct

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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