Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Québec City to Kuala Lumpur as you normally would.
For a flight from Québec City to Kuala Lumpur, you will be flying from Quebec. Québec City (YQB) is just 13.5 km from the centre of the city. Quebec is the only Québec City airport and it handles 0 outbound flights to Kuala Lumpur per day. 0 airlines have flights to Kuala Lumpur from Québec City on a regular basis.
Yes, there are multiple flights from Québec City to Kuala Lumpur for under C$ 2,200. The cheapest flight booked recently is on United Airlines for just C$ 2,140, but on average you can expect to pay C$ 2,171.
The cheapest flight price from Québec City to Kuala Lumpur is C$ 926. On average you can expect to pay C$ 1,525. The most popular route, (Québec City - Kuala Lumpur Intl), can usually be booked for C$ 2,022.