Cheapest return flights from Ottawa to London in June from 501€

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

Return flights

06 Jun - 14 Jun Air Transat
05 Jun - 13 Jun Air Transat
05 Jun - 14 Jun Air Transat direct
02 Jun - 16 Jun Air Transat direct
02 Jun - 15 Jun WestJet
04 Jun - 13 Jun Air Transat
06 Jun - 13 Jun Air Transat
06 Jun - 15 Jun Air Transat
09 Jun - 30 Jun Air Transat
09 Jun - 30 Jun Air Transat direct
26 Jun - 06 Jul Air Transat
25 Jun - 05 Jul Air Transat
30 Jun - 17 Jul Air Transat direct
30 Jun - 21 Jul Air Transat
30 Jun - 21 Jul Air Transat direct

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.