Cheap flights from London to Ottawa
The lowest fare found is €423. The cheapest month to fly is October.
Search live pricesSearch round-trip pricesLowest price by month
| October | €423 |
When is the cheapest time to fly from London to Ottawa?
Fares are typically lowest in October, starting from €423.
Popular routes
- London → Mexico City
- London → Cancun
- London → Guadalajara
- London → Monterrey
- London → Tijuana
- London → Los Cabos
- London → Barcelona
- London → Rome
- London → London Gatwick
- London → Munich
- London → Paris Orly
- London → Dublin
Prices updated 2026-06-10