double-blind study - an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.
No they get more expensive, airlines will always advise you to book in advance to take advantage of their best fares. Sometimes they do a special deal but not within a week of flying. I would try another airline or make different plans.
Researchers found that, depending on the trip, the âprime booking windowâ â when prices hover at their lowest points â is anywhere from 112 to 21 days before a flight. (Fares go up sharply in the last two weeks before a flight, the site found.) Read next: What You Really Need to Know About When to Buy Flights. For example, a flight from Miami and Denver reaches its low price point Of $222 around 46 days before departure.