Cheapest return flights from Ottawa to London in June from $703

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 June 2025 (see full year).

Return flights

07 Jun - 14 Jun Lufthansa direct
01 Jun - 06 Jun Air Canada
02 Jun - 11 Jun Lufthansa direct
04 Jun - 14 Jun Lufthansa direct
04 Jun - 15 Jun Air Canada
05 Jun - 18 Jun Lufthansa direct
07 Jun - 18 Jun Lufthansa direct
06 Jun - 16 Jun Air Canada
11 Jun - 19 Jun Air Canada direct
11 Jun - 21 Jun Air Canada direct
12 Jun - 23 Jul Lufthansa direct
23 Jun - 10 Jul Virgin Atlantic
23 Jun - 10 Jul Lufthansa direct

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

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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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