Travelling from most locations, it is best to book your flight to London, Ontario during the month of September for the best deal, although there are other times of the year which offer great deals as well.
From most locations, booking your flights to London, Ontario around 58 days prior to your departure date finds the best deals.
On average, the cheapest flights to London, Ontario are found when departing on a Thursday. Try to avoid departing on a Tuesday, as this is usually the most expensive day.
In general, when looking for the cheapest flight to London, Ontario, our data indicates that midday flights are the most cost-effective. afternoon flights tend to be the most expensive.