Cheapest return flights from London to Ottawa in December from $1105

AirHint found the following cheapest return flights from London (LCY) to Ottawa (YOW) in December 2025 (see full year).

Return flights

16 Dec - 19 Jan Lufthansa
16 Dec - 18 Jan Lufthansa
12 Dec - 14 Dec Aer Lingus
17 Dec - 21 Dec Aer Lingus
15 Dec - 22 Dec Aer Lingus
24 Dec - 03 Jan SWISS
19 Dec - 31 Dec Aer Lingus
20 Dec - 05 Jan SWISS
17 Dec - 27 Dec Aer Lingus
19 Dec - 04 Jan Aer Lingus
22 Dec - 03 Jan Aer Lingus
17 Dec - 20 Dec Aer Lingus

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

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 Ottawa

Cheap car rent in Ottawa

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