Cheapest return flights from Ottawa to London in June from 623€

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

12 Jun - 17 Jun WestJet
12 Jun - 16 Jun Air Canada
14 Jun - 18 Jun WestJet
04 Jun - 26 Jun Lufthansa direct
06 Jun - 28 Jun Air Canada
01 Jun - 15 Jun Air Canada
19 Jun - 25 Jun Air Canada
17 Jun - 25 Jun Air Canada
18 Jun - 26 Jun Air Canada
14 Jun - 19 Jun Air Canada
14 Jun - 26 Jul Air Canada
15 Jun - 27 Jul Air Canada
18 Jun - 03 Jul Air Canada
18 Jun - 05 Jul Lufthansa direct
19 Jun - 06 Jul Air Canada
19 Jun - 07 Jul Air Canada direct
18 Jun - 11 Jul Air Canada

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

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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