If you want a cheap flight from Liverpool to Belfast, you've got one airlines to choose from.
Belfast Aldergrove International Airport is just one of the airports in Belfast. If you're not set on a specific airport, try changing your search from Belfast Aldergrove International Airport to Belfast to see a broader range of flights – they might be cheaper. It usually takes about 0 hrs 50 mins to fly 264 km to Belfast Aldergrove International Airport.
You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.