When is the best time to book flights?

The best days to book cheap flights: Tuesday & Sunday

• With savings up to 17%, there is a considerable difference when it comes to booking UK domestic flights. Because of this it's worthwhile to wait until Tuesday rolls around before you buy.

• Even for short-haul flights (e.g. city breaks within Europe), it's worth it to keep the best time to book flights in mind. Although not as impressive, you can save 2% on average if you book on Tuesdays.

• For long-haul international flights, again the price difference is not as pronounced, but you can still save on average 1.32% if you book on Sundays. Because of this, it's advisable to pay attention to special deals and offers from the airlines.

The best month to book cheap flights: December

• When it comes to booking cheap flights, the best month to do so is December for domestic and long-haul flights (44% and 6% cheaper respectively), whilst flyers can get the best price for short-haul flights in January which are on average 11% cheaper. The most expensive month to book domestic and short-haul flights is February, whereas long-haul flights are most expensive in March.

• You can save up to 44% on flights within the UK if you book them in December.

• Short-haul flights are especially worth considering booking in January, as they are on average 11% cheaper than flights booked during the most expensive month, February.

• On the other hand, Long-haul flights are cheapest when booked during the month of December. Holiday-goers can save up to 6% on average if they choose to buy their flight at this time.

Flight price analysis: The best time to book flights. All destinations and flight types were included in this study (Study: Jan 2016).