Here are 59 of my most-used – and, needless to say, “don’t lose your passport” trumps them all. If you’re travelling with a backpack as luggage, and only have large packing cubes, it might not Tetris up neatly. At the airport gates for low-cost airlines, don’t be the last to board, just in case the flight is overbooked. [ An Irish flight attendant’s top travel tips on how to avoid stress on your next tripOpens in new window ]15. If you’re abroad for more than four days, take your usual vitamins and supplements with you.