Cheapest return flights from Ottawa to London in June from $680

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

03 Jun - 10 Jun WestJet
02 Jun - 17 Jun WestJet
13 Jun - 21 Jun WestJet
10 Jun - 17 Jun WestJet
09 Jun - 16 Jun Air France
14 Jun - 30 Jun Air Canada
21 Jun - 04 Jul Air Canada
21 Jun - 16 Jul Air Canada
23 Jun - 18 Jul Air Canada
14 Jun - 18 Jun Air Canada
04 Jun - 25 Jun Lufthansa direct
04 Jun - 19 Jun Lufthansa direct
04 Jun - 16 Jul Lufthansa direct
03 Jun - 15 Jul Air Canada
03 Jun - 17 Jul Air Canada
04 Jun - 15 Jul Air Canada
04 Jun - 30 Jul Air Canada
19 Jun - 10 Jul Air Canada
02 Jun - 12 Jun Lufthansa
20 Jun - 15 Jul Air Canada

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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