Cheapest return flights from Ottawa to London in June from $628

AirHint found the following cheapest return flights from Ottawa (YOW) to London (LGW) in June 2026 (see full year).

Return flights

22 Jun - 30 Jun WestJet
15 Jun - 22 Jun WestJet
04 Jun - 02 Jul Air Transat
10 Jun - 19 Jun WestJet
26 Jun - 06 Jul Air Transat
30 Jun - 17 Jul Air Transat direct
22 Jun - 02 Jul WestJet
24 Jun - 25 Jul WestJet

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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