Depending On an Investigation of KAYAK data for all flights departing from inside United Kingdom throughout the last 12 months, the cheapest working day to fly for domestic flights is Tuesday. For Worldwide flights, Tuesday had the cheapest tickets on average. Click on this and opt for a price range. https://sparxsocial.com/story9266121/how-much-you-need-to-expect-you-ll-pay-for-a-good-cheap-flights