New data from travel agency Expedia reveals how holidaymakers can slash the cost of their flights, with Friday now officially named the cheapest day to take to the skies. Expedia has compiled a definitive list of « Air Hacks » to ensure travellers get the best deals this year.
The latest report shows that jetsetters can save an average of 18% by flying on a Friday compared to a Saturday. Despite being the busiest day for travel, Friday offers the best value. In contrast, Tuesday is the quietest day to fly but is also the most expensive day to book tickets.
The best day to book is Sunday, as this gets you the best deal and June is the most affordable month to fly, with flights 68% cheaper on average than December, which represents a potential saving of £250 per ticket.
For optimal booking, the most affordable window for domestic economy flights is between 31 and 45 days before departure, which will save people around £38 compared to booking six months out.
For international travel, adults can save an average of £93 by booking between 15 and 30 days ahead of time instead of six months, though purchasing tickets 31 to 45 days before can still yield a saving of £85.
Regarding UK airports, the cheapest to fly from, on average, are Belfast (£170), Liverpool (£171), and Bournemouth (£171). Conversely, the most expensive airports to fly from are London Heathrow (£533), Humberside (£420), and Manchester (£404).
Melanie Fish, a spokesperson from Expedia, said: “We are very excited to release these new findings and share our top air hacks for 2026 to ensure holidaymakers get the best value for money, as well as an enjoyable travelling experience. »
The report also uncovered emerging travel trends. Twenty percent of travellers have booked an « extreme day trip, » which involves a roundtrip flight within 24 hours to visit a new destination.
Over half (51%) of international flyers now opt for morning departures, with only 15% choosing an evening flight. Furthermore, a third of travellers now fly with only a carry-on bag, and 29% admit they wear extra layers to avoid baggage fees.
The company, which launched a ‘Flight Deals’ feature to help users find flights 20% below the norm, hopes these insights will help holidaymakers navigate the overwhelming and expensive process of planning a trip.
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