Cheapest return flights from Ottawa to London in October from $729

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

Return flights

17 Oct - 23 Oct Virgin Atlantic
09 Oct - 13 Oct Virgin Atlantic
31 Oct - 07 Nov Virgin Atlantic
06 Oct - 16 Oct WestJet
09 Oct - 16 Oct WestJet
23 Oct - 27 Oct Virgin Atlantic
29 Oct - 15 Nov Virgin Atlantic
07 Oct - 22 Oct Air France
07 Oct - 15 Oct Air France
06 Oct - 20 Oct Air France
10 Oct - 13 Oct Virgin Atlantic
04 Oct - 18 Oct Air Canada

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

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.

Book a cheap hotel in London

Cheap car rent in London

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