(Alamy ) The study revealed that short international flights are 21 per cent less expensive leaving on a Tuesday and returning the following Wednesday.
How to Save Money on an International Flight
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OCTOBER 20, 2012
David Gardner, Daily Mail

Now a survey of more than a billion airfare searches has revealed that the best time to arrange an international flight is 34 days before departure. But the survey also showed that it’s not always a good idea to book too far in advance.
For international tickets, the prime booking window might get you a fare more than £20 cheaper than if you book six months in advance.
Read more: Daily Mail