Travelling from most locations, it is best to book your flight to North America during the month of February for the best deal, although there are other times of the year which offer great deals as well.
On average, from most locations, when planning your trip to North America, try to book your flight in the region of 38 days in advance for the cheapest prices.
In general, booking your departure to North America for a Wednesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
Typically, cheap prices to North America are most often found for midday flights. Cheap prices are less likely for evening flights.